Ivermectin COVID-19 studies. 147 studies, 96 peer reviewed, 77 with results comparing treatment and control groups. FLCCC provides treatment recommendations.

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 Ivermectin has been officially adopted for early treatment in all or part of 22 countries (39 including non-government medical organizations). Submit updates/corrections.

 

 

 
 
 
 
 

Jan 31

News
Kowa News Release (News)

news

Japan's Kowa says ivermectin showed 'antiviral effect' against Omicron in research

Details   Kowa reports that ivermectin is effective for omicron. Original press release: [1].

Jan 28

Early, Late, PrEP, PEP
Covid Analysis (Preprint) (meta analysis)

meta-analysis v174

Ivermectin for COVID-19: real-time meta analysis of 77 studies

Details   • Statistically significant improvements are seen for mortality, ventilation, ICU admission, hospitalization, recovery, cases, and viral clearance. All remain significant after exclusions. 50 studies from 46 independent teams in 21 differ..

Jan 24

Early
de Jesús Ascencio-Montiel et al., Archives of Medical Research, doi:10.1016/j.arcmed.2022.01.002 (Peer Reviewed)

death/hosp., ↓59.0%, p<0.0001

A Multimodal Strategy to Reduce the Risk of Hospitalization/death in Ambulatory Patients with COVID-19

Details   Retrospective 28,048 COVID+ patients in Mexico, 7,898 receiving a treatment kit including low dose ivermectin, AZ, aspirin, and acetaminophen, shower lower mortality/hospitalization for those receiving the kit. Delivery of the treatment k..

Jan 23

In Vitro
Liu et al., bioRxiv, doi:10.1101/2022.01.20.477147 (Preprint) (In Vitro)

In Vitro

SARS-CoV-2 Viral Genes Compromise Survival and Functions of Human Pluripotent Stem Cell-derived Cardiomyocytes via Reducing Cellular ATP Level

Details   In Vitro study showing that ivermectin and meclizine may be protective for heart muscle damage due to SARS-CoV-2.

Jan 20

In Silico
Parvez et al., arXiv:2201.08176 [q-bio.OT] (Peer Reviewed)

In Silico

Insights from a computational analysis of the SARS-CoV-2 Omicron variant: Host-pathogen interaction, pathogenicity and possible therapeutics

Details   In Silico analysis of the omicron variant and 10 treatments reported effective for previous variants, predicting that all will be effective for omicron, with ivermectin showing the best results.

Jan 18

Late
Zubair et al., Monaldi Archives for Chest Disease, doi:10.4081/monaldi.2022.2062 (Peer Reviewed)

death, ↑8.9%, p=1.00

The effect of ivermectin on non-severe and severe COVID-19 disease and gender-based difference of its effectiveness

Details   Retrospective 188 hospitalized patients in Pakistan, 90 treated with ivermectin, showing no significant differences with treatment. The ivermectin group had more severe disease (66% vs 58%, with 6x higher risk for severe disease patients)..

Jan 13

Early
Tyson et al., Preprint (Preprint)

death, ↓99.8%, p<0.0001

Low Rates of Hospitalization and Death in 4,376 COVID-19 Patients Given Early Ambulatory Medical and Supportive Care. A Case Series and Observational Study.

Details   Retrospective 4,376 patients with mild/moderate COVID-19 in the USA treated with multiple medications including HCQ/ivermectin, favipiravir, vitamin C, D, quercetin, zinc, mAbs, budesonide, dexamethasone, prednisone, and colchicine (exact..

Dec 31

Early
Abbas et al., Indian Journal of Pharmaceutical Sciences, doi:10.36468/pharmaceutical-sciences.spl.416 (Peer Reviewed)

death, ↑4.0%, p=1.00

The Effect of Ivermectin on Reducing Viral Symptoms in Patients with Mild COVID-19

Details   RCT 99 ivermectin and 103 control low risk patients in China, up to 7 days from symptom onset, showing statistically significant improvement in recovery with treatment, and non-statistically significant improvements in recovery time and d..

Dec 31

PrEPPEP
Kerr et al., Research Gate, doi:10.13140/RG.2.2.26793.52327 (Preprint)

death, ↓45.0%, p=0.046

COVID-19 In-Hospital Mortality Rate is Reduced by Prophylactic Use of Ivermectin: Findings From a City-Wide, Prospective Observational Study Using Propensity Score Matching (PSM)

Details   PSM retrospective 378 hospitalized patients in Brazil, showing lower mortality for patients that were on ivermectin prophylaxis before admission (not taking into account the lower risk of being hospitalized shown in the related larger stu..

Dec 31

Late
Shimizu et al., Journal of Infection and Chemotherapy, doi:10.1016/j.jiac.2021.12.024 (Peer Reviewed)

death, ↓99.9%, p<0.001

Ivermectin administration is associated with lower gastrointestinal complications and greater ventilator-free days in ventilated patients with COVID-19: A propensity score analysis

Details   Retrospective 88 ventilated COVID-19 patients in Japan, 39 treated with ivermectin within 3 days of admission, showing significantly reduced incidence of GI complications and mortality, and increased ventilator-free days with treatment.

Dec 30

Review
Semiz, S., Biomolecular Concepts, doi:10.1515/bmc-2021-0017 (Review) (Peer Reviewed)

review

SIT1 transporter as a potential novel target in treatment of COVID-19

Details   Review of the potential connections between SLC6A20/SIT1, ACE2, Type 2 Diabetes, and COVID-19 severity. This provides another potential mechanism of action for ivermectin as a partial agonist of glycine-gated chloride channels, interferin..

Dec 29

Late
Mustafa et al., Exploratory Research in Clinical and Social Pharmacy, doi:10.1016/j.rcsop.2021.100101 (Peer Reviewed)

death, ↓63.7%, p=0.09

Pattern of medication utilization in hospitalized patients with COVID-19 in three District Headquarters Hospitals in the Punjab province of Pakistan

Details   Retrospective 444 hospitalized patients in Pakistan, showing lower mortality with ivermectin treatment in unadjusted results, not reaching statistical significance. Ivermectin was mostly used with patients in severe condition. Dose ranged..

Dec 28

Late
Baguma et al., Research Square, doi:10.21203/rs.3.rs-1193578/v1 (Preprint)

death, ↓96.8%, p=0.31

Characteristics of the COVID-19 patients treated at Gulu Regional Referral Hospital, Northern Uganda: A cross-sectional study

Details   Retrospective COVID+ hospitalized patients in Uganda, showing no statistically significant difference in mortality with ivermectin, however there was only 7 patients receiving ivermectin.

Dec 13

Late
Jamir et al., Cureus, doi:10.7759/cureus.20394 (Peer Reviewed)

death, ↑53.0%, p=0.13

Determinants of Outcome Among Critically Ill Police Personnel With COVID-19: A Retrospective Observational Study From Andhra Pradesh, India

Details   Retrospective 266 COVID-19 ICU patients in India, showing significantly lower mortality with PVP-I oral gargling and topical nasal use, and non-statistically significant higher mortality with ivermectin and lower mortality with remdesivir.

Dec 11

PrEPPEP
Kerr et al., Cureus, doi:10.7759/cureus.21272 (preprint 12/11/2021) (Peer Reviewed)

death, ↓70.0%, p<0.0001

Ivermectin Prophylaxis Used for COVID-19: A Citywide, Prospective, Observational Study of 223,128 Subjects Using Propensity Score Matching

Details   PSM retrospective 220,517 patients in Brazil,133,051 taking ivermectin as part of a citywide prophylaxis program, showing significantly lower hospitalization and mortality with treatment. CAAE:47124221.2.0000.5485. Additional results are..

Dec 1

Review
Behl et al., Science of The Total Environment, doi:10.1016/j.scitotenv.2021.152072 (Review) (Peer Reviewed)

review

CD147-spike protein interaction in COVID-19: Get the ball rolling with a novel receptor and therapeutic target

Details   Review of the cluster of differentiation 147 (CD147) transmembrane protein as an entry route for SARS-CoV-2, correlation with observed characteristics of COVID-19, and relevant potential therapeutics including azithromycin, melatonin, sta..

Nov 30

In Vitro
Jitobaom et al., Research Square, doi:10.21203/rs.3.rs-1069947/v1 (Preprint) (In Vitro)

In Vitro

Synergistic Anti-SARS-CoV-2 Activity of Repurposed Anti-Parasitic Drug Combinations

Details   In Vitro study showing a strong synergistic effect of combinations of ivermectin, niclosamide, and chloroquine, with >10x reduction in IC50 compared to individual drugs.

Nov 26

Late
Ferreira et al., Revista da Associação Médica Brasileira, doi:10.1590/1806-9282.20210661 (Peer Reviewed)

death, ↑5.2%, p=1.00

Outcomes associated with Hydroxychloroquine and Ivermectin in hospitalized patients with COVID-19: a single-center experience

Details   Retrospective 230 hospitalized patients in Brazil showing no significant difference with ivermectin treatment. Authors note that the treatments were more likely to be offered to sicker patients. Authors indicate that they do not know when..

Nov 23

Late
Ozer et al., Journal of Medical Virology, doi:10.1002/jmv.27469 (Peer Reviewed)

death, ↓75.0%, p=0.09

Effectiveness and Safety of Ivermectin in COVID‐19 Patients: A Prospective Study at A Safety‐Net Hospital

Details   Small prospective PSM study in the USA, showing 75% lower mortality with ivermectin treatment, without reaching statistical significance, significantly shorter ventilation and ICU time, and longer hospitalization time. Authors leave the ..

Nov 17

PrEPPEP
Samajdar et al., Journal of the Association of Physicians India, 69:11 (Peer Reviewed)

cases, ↓79.8%, p<0.0001

Ivermectin and Hydroxychloroquine for Chemo-Prophylaxis of COVID-19: A Questionnaire Survey of Perception and Prescribing Practice of Physicians vis-a-vis Outcomes

Details   Physician survey in India with 164 ivermectin prophylaxis, 129 HCQ prophylaxis, and 81 control patients, showing significantly lower COVID-19 cases with treatment. Details of the treatment and control groups and the definition of cases ar..

Nov 9

Late
Stone et al., Research Square, doi:10.21203/rs.3.rs-1048271/v1 (Preprint)
Rapid increase of SpO2 on room air for 34 severe COVID-19 patients after ivermectin-based combination treatment: 55-62% normalization within 12-24 hours

Details   Retrospective severe COVID-19 patients in Zimbabwe treated with ivermectin, doxycycline, and zinc. For 34 with SpO2 tracking, there was rapid improvement in SpO2, with 55% recovery towards SpO2=97 within 12 hours. For all 92 severe cases,..

Nov 3

Late
Malaysia Ministry of Health (News)

death, ↓69.1%, p=0.09

Kenyataan Akhbar KPK 3 November 2021 – Hasil Dapatan Kajian Keberkesanan Rawatan Ivermectin Untuk Pesakit COVID-19 Berisiko Tinggi (I-TECH Study)

Details   RCT 490 hospitalized patients in Malaysia, showing no significant differences. There was only 13 deaths - 3 for ivermectin and 10 for control. Minimal details are available currently. Group sizes are not provided (241/249 are the closest ..

Oct 30

Late
Rezk et al., Zagazig University Medical Journal, doi:10.21608/zumj.2021.92746.2329 (Peer Reviewed)

death, ↓80.0%, p=0.50

miRNA-223-3p, miRNA- 2909 and Cytokines Expression in COVID-19 Patients Treated with Ivermectin

Details   Prospective 320 hospitalized moderate COVID-19+ patients in Egypt, 160 treated with ivermectin, showing lower mortality, improved recovery, and decreased cytokine expression with treatment. All patients were treated with HCQ. 7890/26-8-20..

Oct 28

PrEPPEP
Verma et al., Indian Journal of Community Health, 33:3 (Peer Reviewed)
Assessing Knowledge, Attitude, and Practices towards Ivermectin Pre-exposure Prophylaxis for COVID-19 among Health Care Workers

Details   Survey of 306 healthcare workers involved in the medication of COVID-19 patients in India. 71% indicated that ivermectin had a protective effect for COVID-19.

Oct 20

Review
Low et al., Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease, doi:10.1016/j.bbadis.2021.166294 (Review) (Peer Reviewed)

review

Repositioning Ivermectin for Covid-19 treatment: Molecular mechanisms of action against SARS-CoV-2 replication

Details   Review of the antiviral characteristics of ivermectin and mechanisms of action. Authors note that ivermectin has proven effective for HIV-1, Adenovirus, flu, SARS-CoV, and more; due to genomic similarity between SARS-CoV-2 and SARS-CoV, t..

Oct 19

Early
Borody et al., TrialSite News (Preprint)

death, ↓92.3%, p=0.03

Combination Therapy For COVID-19 Based on Ivermectin in an Australian Population

Details   Retrospective 600 PCR+ outpatients in Australia treated with ivermectin, zinc, and doxycycline, showing significantly lower mortality and hospitalization with treatment. This trial uses a synthetic control group, and the preliminary repor..

Oct 15

In Vitro
Segatori et al., Viruses, doi:10.3390/v13102084 (Peer Reviewed) (In Vitro)

In Vitro

Effect of Ivermectin and Atorvastatin on Nuclear Localization of Importin Alpha and Drug Target Expression Profiling in Host Cells from Nasopharyngeal Swabs of SARS-CoV-2- Positive Patients

Details   Gene expression analysis of nasopharyngeal swabs of COVID-19 positive and negative patients, and in vitro study supporting the use of ivermectin and atorvastatin for COVID-19, and the efficacy of ivermectin at clinically relevant dosages...

Oct 14

In Vitro
Jitobaom et al., Research Square, doi:10.21203/rs.3.rs-941811/v1 (Peer Reviewed) (In Vitro)

In Vitro

Favipiravir and Ivermectin Showed in Vitro Synergistic Antiviral Activity against SARS-CoV-2

Details   In Vitro study showing a strong synergistic effect of ivermectin and favipiravir. Combining multiple antiviral drugs with different mechanisms of action helps to minimize drug resistance and toxicity.

Oct 14

News
Goodkin, M. (News)

news

Are Major Ivermectin Studies Designed for Failure?

Details   Discussion of flaws in ivermectin trials creating a bias towards not finding an effect.

Oct 7

Review
Fordham et al., OSF Preprints, doi:10.31219/osf.io/mp4f2 (Review) (Preprint)

review

The uses and abuses of systematic reviews

Details   Analysis of defects in the Popp et al. meta analysis.

Oct 5

In Silico
Francés-Monerris et al., Physical Chemistry Chemical Physics, doi:10.1039/D1CP02967C (Peer Reviewed)

In Silico

Microscopic interactions between ivermectin and key human and viral proteins involved in SARS-CoV-2 infection

Details   In Silico molecular dynamics study showing that ACE2 and ACE2/RBD aggregates form persistent interactions with ivermectin.

Oct 2

N/A
TrialSite News (News)

news

Committed to Medical Evidence, a Prominent Ivermectin Group is Eradicated from the Memories of Cyberspace

Details   Report on Twitter's censorship of the British Ivermectin Recommendation Development group.

Oct 1

Late
Babalola et al., Research Square, doi:10.21203/rs.3.rs-950352/v1 (Preprint)
A Randomized Controlled Trial of Ivermectin Monotherapy Versus Hydroxychloroquine, Ivermectin, and Azithromycin Combination Therapy in Covid-19 Patients in Nigeria

Details   Small RCT with 61 patients in Nigeria, all patients treated with ivermectin, zinc, and vitamin C, showing no significant improvements in recovery with the addition of HCQ+AZ. PACTR202108891693522.

Sep 23

Early
Mayer et al., Zenodo, doi:10.5281/zenodo.5525362 (Preprint)

death, ↓55.1%, p<0.0001

Safety and efficacy of a MEURI Program for the use of high dose ivermectin in COVID-19 patients

Details   Retrospective 21,232 patients in Argentina, 3,266 assigned to ivermectin treatment, showing lower mortality with treatment. Greater benefits were seen for patients >40, and a dose dependent response was found.

Sep 7

News
Scheim, D., TrialsSite News (News)

news

Merck’s deadly Vioxx playbook, redux: a debunked smear campaign against its competing drug—the FDA-approved, Nobel prize-honored ivermectin

Details   Discussion of Merck's ivermectin statements and past actions related to Vioxx raising significant concerns.

Sep 6

Early
Buonfrate et al., International Journal of Antimicrobial Agents, doi:10.1016/j.ijantimicag.2021.106516 (preprint 9/6/2021) (Peer Reviewed)

hosp., ↑210.7%, p=0.47

High dose ivermectin for the early treatment of COVID-19 (COVER study): a randomised, double-blind, multicentre, phase II, dose-finding, proof of concept trial

Details   Early terminated 89 patient RCT with 29 high dose and 32 very high dose ivermectin patients, showing dose dependent viral load reduction, although not reaching statistical significance due to early termination. Since most patients have lo..

Sep 3

Early
Okogbenin et al., Nigerian Postgraduate Medical Journal, doi:10.4103/npmj.npmj_532_21 (Peer Reviewed)
Clinical characteristics, treatment modalities and outcome of coronavirus disease 2019 patients treated at thisday dome isolation and treatment centre, federal capital territory Abuja, Nigeria

Details   Retrospective 300 COVID-19 patients in Nigeria treated with ivermectin, zinc, vitamin C, and azithromycin, reporting no deaths. Authors conclude that early treatment is critical.

Sep 2

Meta
Marik et al., American Journal of Therapeutics, doi:10.1097/MJT.0000000000001443 (Peer Reviewed) (meta analysis)

meta-analysis

Ivermectin, A Reanalysis of the Data

Details   Updated meta analysis showing no significant change if Elgazzar et al. is excluded.

Sep 2

Meta
Neil et al., American Journal of Therapeutics, doi:10.1097/MJT.0000000000001450 (Peer Reviewed) (meta analysis)

meta-analysis

Bayesian Hypothesis Testing and Hierarchical Modeling of Ivermectin Effectiveness

Details   Updated Bayesian analysis of a subset of ivermectin trials showing that there is strong evidence to support a causal link between ivermectin and COVID-19 severity and mortality, and that the result is robust in sensitivity analysis, inclu..

Aug 19

In Silico
González-Paz et al., Biophysical Chemistry, doi:10.1016/j.bpc.2021.106677 (Peer Reviewed)

In Silico

Comparative study of the interaction of ivermectin with proteins of interest associated with SARS-CoV-2: A computational and biophysical approach

Details   In SIlico analysis of the components of ivermectin (avermectin-B1a and avermectin-B1b), suggesting different and complementary inhibitory activity of each component, with an affinity of avermectin-B1b for viral structures, and of avermect..

Aug 17

In Silico
González-Paz et al., Journal of Molecular Liquids, doi:10.1016/j.molliq.2021.117284 (Peer Reviewed)

In Silico

Structural Deformability Induced in Proteins of Potential Interest Associated with COVID-19 by binding of Homologues present in Ivermectin: Comparative Study Based in Elastic Networks Models

Details   In Silico elastic network model analysis of ivermectin components (avermectin-B1a and avermectin-B1b) providing a biophysical and computational perspective of proposed multi-target activity of ivermectin for COVID-19.

Aug 16

Review
Kory, P., Substack (Review) (Preprint)

review

Summary of the Evidence for Ivermectin in COVID-19

Details   Summary of the evidence base for ivermectin and COVID-19 including in vitro and in silico studies, animal studies, pharmacologic studies, clinical observation and experience, observational controlled trials, randomized controlled trials, ..

Aug 12

Late
Elavarasi et al., medRxiv, doi:10.1101/2021.08.10.21261855 (Preprint)

death, ↓19.6%, p=0.12

Clinical features, demography and predictors of outcomes of SARS-CoV-2 infection in a tertiary care hospital in India - a cohort study

Details   Retrospective 2017 hospitalized patients in India, showing lower mortality with ivermectin treatment in unadjusted results. No group details are provided and this result is subject to confounding by indication.

Aug 12

N/A
Pedroso et al., The Brazilian Journal of Infectious Diseases, doi:10.1016/j.bjid.2021.101603 (Peer Reviewed)
Self-prescribed Ivermectin use is associated with a lower rate of seroconversion in health care workers diagnosed with COVID, in a dose-dependent response

Details   Retrospective 45 healthcare workes in Brazil, showing lower creation of antibodies with multiple doses of ivermectin, which may be expected due to the antiviral activity as demonstrated in multiple studies. Authors appear unaware of these..

Aug 10

News
La Pampa, Argentina (News)

death, ↓27.4%

La Pampa expondrá a la comunidad científica los resultados del Programa de Intervención Monitoreado de Ivermectina

Details   News report on the use of ivermectin in La Pampa, Argentina, showing lower mortality with treatment.

Aug 6

Review
Kow et al., American Journal of Therapeutics, doi:10.1097/MJT.0000000000001441 (Review) (Peer Reviewed)

review

Pitfalls in Reporting Sample Size Calculation Across Randomized Controlled Trials Involving Ivermectin for the treatment of COVID-19

Details   Review of sample size calculations in ivermectin RCTs, showing that existing RCTs are very underpowered.

Aug 6

Early
Together Trial (News)

death, ↓18.0%, p=0.54

Early Treatment of COVID-19 with Repurposed Therapies: The TOGETHER Adaptive Platform Trial

Details   Preliminary report from the Together Trial showing mortality RR 0.82 [0.44-1.52] and combined extended ER observation or hospitalization RR 0.91 [0.69-1.19]. The same trial's results for a previous treatment were initially reported as RR ..

Aug 5

In Silico
Rana et al., Research Square, doi:10.21203/rs.3.rs-755838/v1 (Preprint)

In Silico

A Computational Study of Ivermectin and Doxycycline Combination Drug Against SARS-CoV-2 Infection

Details   In silico study showing strong binding affinity of ivermectin and doxycycline for SARS-CoV-2 main protease 3CLpro, and increased binding affinity for the combination of both.

Aug 3

Review
Santin et al., New Microbes and New Infections, doi:10.1016/j.nmni.2021.100924 (Review) (Peer Reviewed)

review

Ivermectin: a multifaceted drug of Nobel prize-honored distinction with indicated efficacy against a new global scourge, COVID-19

Details   Review concluding that the evidence supports worldwide use of ivermectin for COVID-19, complementary to immunization. Authors note that it is likely non-epitope specific, possibly retaining efficacy with new viral strains. They note that ..

Jul 31

Early, Late
Sathi et al., Journal of Cardiovascular Disease Research, doi:10.31838/jcdr.2021.12.05.11 (Peer Reviewed)
Clinical Effect of the Combination Therapy of Hydroxychloroquine, Azithromycin and Ivermectin in Patients with COVID-19

Details   Prospective study of 85 COVID-19 patients including 8 ICU patients treated with ivermectin, HCQ, and AZ, showing all patients improving except for one patient that died 3 days after admission. Authors recommend early treatment. There was ..

Jul 28

Meta
Popp et al., Cochrane Database of Systematic Reviews, doi:10.1002/14651858.CD015017.pub2 (Preprint) (meta analysis)

meta-analysis

Ivermectin for preventing and treating COVID-19

Details   This meta analysis is designed to exclude most studies. Authors select a small subset of studies, with a majority of results based on only 1 or 2 studies. Authors split up studies which dilutes the effects and results in a lack of statist..

Jul 25

Early
Ontai et al., medRxiv, doi:10.1101/2021.07.21.21260223 (Preprint)
Early multidrug treatment of SARS-CoV-2 (COVID-19) and decreased case fatality rates in Honduras

Details   Report on the nationwide implementation of multi-drug COVID-19 inpatient and outpatient treatment protocols in Honduras, showing a case fatality rate decrease from 9.33% to 2.97%. No decrease was seen in Mexico, a similar Latin American c..

Jul 24

News
World Ivermectin Day (News)

news

World Ivermectin Day

Details   Joint event by 22 worldwide organizations.

Jul 23

Safety
Mansour et al., International Immunopharmacology, doi:10.1016/j.intimp.2021.108004 (Peer Reviewed)

safety analysis

Safety of inhaled ivermectin as a repurposed direct drug for treatment of COVID-19: A preclinical tolerance study

Details   Safety analysis of an inhaled lyophilized ivermectin formulation, showing 127-fold increase in drug solubility, and identifying safe dosage levels in rats.

Jul 16

News
FLCCC Alliance and British Ivermectin Recommendation Development Group (News)

news

Joint Statement of the FLCCC Alliance and British Ivermectin Recommendation Development Group on Retraction of Early Research on Ivermectin

Details   News release noting that ivermectin remains effective after excluding Elgazzar et al. Given the large magnitude effects and 61 studies, excluding one study with ~3% of patients does not significantly change the evidence base.

Jul 12

Meta
Neil et al., ResearchGate, doi:0.13140/RG.2.2.31800.88323 (Preprint) (meta analysis)

meta-analysis

Bayesian Meta Analysis of Ivermectin Effectiveness in Treating Covid-19 Disease

Details   Bayesian analysis of a subset of ivermectin trial data concluding that there is overwhelming evidence to support a causal link between ivermectin, COVID-19 severity, and mortality.

Jul 8

In Silico
Muthusamy et al., Journal of Virology & Antiviral Research (Peer Reviewed)

In Silico

Virtual Screening Reveals Potential Anti-Parasitic Drugs Inhibiting the Receptor Binding Domain of SARS-CoV-2 Spike protein

Details   In Silico study identifying 32 anti-parisitic compounds effectively inhibiting the RBD of the SARS-CoV-2 spike protein, with ivermectin being one of the top compounds.

Jul 8

News
Together Trial (News)

news

Together Trial removes mortality and adverse event outcomes, and sublingual administration mid-trial

Details   Together Trial removes mortality and adverse event outcomes, and sublingual administration mid-trial.

Jul 7

Late
Hazan et al., medRxiv, doi:10.1101/2021.07.06.21259924 (Preprint)

death, ↓86.2%, p=0.04

Effectiveness of Ivermectin-Based Multidrug Therapy in Severe Hypoxic Ambulatory COVID-19 Patients

Details   Small study of 24 consecutive patients in serious condition (9 days post symptoms, mean SpO2 87.4) using combined treatment with ivermectin, doxycycline, zinc, vitamin D, and vitamin C, showing no mortality or hospitalization with treatme..

Jul 3

News
Open Letter, Statement of Concern and Request for Retraction, re: Roman et al. (News)

news

Open Letter, Statement of Concern and Request for Retraction

Details   Open letter signed by 40 physicians detailing errors and flaws in the Roman et al. meta analysis, and requesting retraction.

Jul 2

Review
Adegboro et al., African Journal of Clinical and Experimental Microbiology, doi:10.4314/ajcem.v22i3.2 (Review) (Peer Reviewed)

review

A review of the anti-viral effects of ivermectin

Details   Review of the antiviral effects of ivermectin.

Jul 2

Early
Vallejos et al., BMC Infectious Diseases, doi:10.1186/s12879-021-06348-5 (Peer Reviewed)

death, ↑33.5%, p=0.70

Ivermectin to prevent hospitalizations in patients with COVID-19 (IVERCOR-COVID19) a randomized, double-blind, placebo-controlled trial

Details   RCT with 501 relatively low-risk outpatients in Argentina showing hospitalization OR 0.65 [0.32-1.31]. With only 7% hospitalization, this trial is underpowered. The trial primarily includes low-risk patients that recover quickly without t..

Jun 30

Review
Turkia, M., ResearchGate, doi:10.13140/RG.2.2.16973.36326 (Review) (Preprint)

review

A Continuation of a Timeline of Ivermectin-Related Events in the COVID-19 Pandemic [June 30, 2021]

Details   An extension of the ivermectin timeline covering April - June 2021, including WHO's role and funding, Gavi, COVAX, Trusted News Initiative, International Fact-Checking Network, the role of private philantrophy, Frontiers, comparison to th..

Jun 28

N/A
Roman et al., Clinical Infectious Diseases, doi:10.1093/cid/ciab591 (preprint 5/25/21) (Peer Reviewed) (meta analysis)

meta-analysis

Ivermectin for the treatment of COVID-19: A systematic review and meta-analysis of randomized controlled trials

Details   This is a severely flawed meta analysis. An open letter signed by 40 physicians detailing errors and flaws, and requesting retraction, can be found at [ trialsitenews.com ] . See also [ bird-group.org ] . Authors cherry-pick to include on..

Jun 25

Review
Jagiasi et al., The International Journal of Clinical Practice, doi:10.1111/ijcp.14574 (Review) (Peer Reviewed)

review

Variation in therapeutic strategies for the management of severe COVID-19 in India- A nationwide cross-sectional survey

Details   Survey of medication use for severe COVID-19 in India, showing 33% adoption of ivermectin as of January 2021.

Jun 22

News
Misiones Ministry of Public Health (News)

news

Results from ivermectin use from the Misiones Ministry of Public Health

Details   News report on ivermectin use in Misiones, Argentina, showing significantly lower hospitalization and mortality, and a dose-dependent effect with improved results for those taking 0.6mg/kg.

Jun 18

Review
Lind et al., Journal of General Internal Medicine, doi:10.1007/s11606-021-06948-6 (Review) (Peer Reviewed)

review

Increase in Outpatient Ivermectin Dispensing in the US During the COVID-19 Pandemic: A Cross-Sectional Analysis

Details   CDC analysis of ivermectin prescriptions in the US suggesting that, while national health authority recognition is delayed in that country, many physicians are aware of the efficacy demonstrated in clinical trials.

Jun 18

Early
Krolewiecki et al., EClinicalMedicine, doi:10.1016/j.eclinm.2021.100959 (Peer Reviewed)

ventilation, ↑151.9%, p=1.00

Antiviral effect of high-dose ivermectin in adults with COVID-19: A proof-of-concept randomized trial

Details   Proof of concept RCT with 30 ivermectin patients and 15 control patients, showing a concentration dependent antiviral activity, but no significant difference in clinical outcomes. There was no significant difference in viral load reductio..

Jun 17

Meta
Bryant et al., American Journal of Therapeutics, doi:10.1097/MJT.0000000000001402 (preprint 3/11/21) (Peer Reviewed) (meta analysis)

death, ↓62.0%, p=0.005

Ivermectin for Prevention and Treatment of COVID-19 Infection: A Systematic Review, Meta-analysis, and Trial Sequential Analysis to Inform Clinical Guidelines

Details   Systematic review, meta analysis, and trial sequential analysis of 24 RCTs finding mortality RR 0.38 [0.19-0.73].

Jun 15

Review
Zaidi et al., The Journal of Antibiotics, doi:10.1038/s41429-021-00430-5 (Review) (Peer Reviewed)

review

The mechanisms of action of Ivermectin against SARS-CoV-2: An evidence-based clinical review article

Details   Extensive review of 20 mechanisms of action of ivermectin for SARS-CoV-2. This paper was censored by the editor for reasons unrelated to the review of mechanisms of action. The editor required the authors to change the paper to include f..

Jun 15

Early
Aref et al., International Journal of Nanomedicine, doi:10.2147/IJN.S313093 (Peer Reviewed)

recov. time, ↓63.2%, p=0.0001

Clinical, Biochemical and Molecular Evaluations of Ivermectin Mucoadhesive Nanosuspension Nasal Spray in Reducing Upper Respiratory Symptoms of Mild COVID-19

Details   RCT 114 patients in Egypt, 57 treated with ivermectin mucoadhesive nanosuspension intranasal spray, showing faster recovery and viral clearance with treatment. NCT04716569.

Jun 6

N/A
Hariyanto et al., Reviews In Medical Virology, doi:10.1002/rmv.2265 (Peer Reviewed) (meta analysis)

death, ↓69.0%, p=0.001

Ivermectin and outcomes from Covid-19 pneumonia: A systematic review and meta-analysis of randomized clinical trial studies

Details   Systematic review and meta analysis of 19 RCTs showing mortality RR 0.31 [0.15-0.62].

Jun 3

Review
Wang et al., medRxiv, doi:10.1101/2021.06.01.21258147 (Review) (Preprint)

review

Minimum manufacturing costs, national prices and estimated global availability of new repurposed therapies for COVID-19

Details   Analysis of the manufacturing cost of several COVID-19 medications, showing a cost of $0.55 per course of ivermectin, including excipients, formulation, tax, and profit.

Jun 2

Late
Abd-Elsalam et al., Journal of Medical Virology, doi:10.1002/jmv.27122 (Peer Reviewed)

death, ↓25.0%, p=0.70

Clinical Study Evaluating the Efficacy of Ivermectin in COVID-19 Treatment: A Randomized Controlled Study

Details   RCT 164 hospitalized patients in Egypt showing lower mortality and shorter hospitalization, but without statistical significance. There were no serious adverse effects. Authors suggest the low dosage may have resulted in lower efficacy th..

May 31

PrEPPEP
Mondal et al., Journal of the Indian Medical Association, 119:5 (Peer Reviewed)

symp. case, ↓87.9%, p=0.006

Prevalence of COVID-19 Infection and Identification of Risk Factors among Asymptomatic Healthcare Workers: A Serosurvey Involving Multiple Hospitals in West Bengal

Details   Retrospective 1,470 healthcare workers in India, showing significantly lower risk of symptomatic COVID-19 with ivermectin prophylaxis.

May 18

In Vitro
Mountain Valley MD (Preprint) (In Vitro)

In Vitro

Mountain Valley MD Receives Successful Results From BSL-4 COVID-19 Clearance Trial on Three Variants Tested With Ivectosol™

Details   In Vitro and mouse study with human ACE2 cells, using solubilized ivermectin with Ivectosol™, showing antiviral effect with B.1.1.7, B.1.351, and P.1 variants of SARS-CoV-2. The ability to inject ivermectin potentially reduces the onset ..

May 12

News
FLCCC Public Statement (News)

news

FLCCC Alliance Statement on the Irregular Actions of Public Health Agencies and the Widespread Disinformation Campaign Against Ivermectin

Details   Analysis of the ivermectin recommendations from WHO and others, and a call to action for all citizens, scientists, and media to counter false information. Whistleblowers can submit anonymous reports and images at the bottom of this page.

May 10

Early
Faisal et al., The Professional Medical Journal, doi:10.29309/TPMJ/2021.28.05.5867 (Peer Reviewed)

no recov., ↓68.4%, p=0.005

Potential use of azithromycin alone and in combination with ivermectin in fighting against the symptoms of COVID-19

Details   RCT 100 outpatients in Pakistan, 50 treated with ivermectin, showing faster recovery with ivermectin. All patients received AZ, zinc, vitamin C, vitamin D, and paracetemol. Details of randomization were not provided. No mortality or hospi..

May 5

In Vitro
Zatloukal et al. (News) (In Vitro)

news

News report on In Vitro results from the research institute of Prof. Zatloukal

Details   News report on In Vitro results from the research institute of Prof. Zatloukal, showing that "ivermectin was able to reduce virus replication by a factor of 1,000 even at low concentrations".

May 5

In Silico
Qureshi et al., Journal of Biomolecular Structure and Dynamics, doi:10.1080/07391102.2021.1906750 (Peer Reviewed)

In Silico

Mechanistic insights into the inhibitory activity of FDA approved ivermectin against SARS-CoV-2: old drug with new implications

Details   In Silico study showing inhibition of importin-α1 by ivermectin, which disrupts SARS-CoV-2 replication.

May 4

Meta
Karale et al., medRxiv, doi:10.1101/2021.04.30.21256415 (Preprint) (meta analysis)

meta-analysis

A Meta-analysis of Mortality, Need for ICU admission, Use of Mechanical Ventilation and Adverse Effects with Ivermectin Use in COVID-19 Patients

Details   Systematic review and meta analysis with 30 studies included in quantitative analysis, showing mortality OR 0.39 [0.22-0.70]. Subgroup analysis of trials with severity data showed mortality OR 0.10 [0.03-0.33] for mild/moderate cases.

May 3

Early
Merino et al., SocArXiv Papers, doi:10.31235/osf.io/r93g4 (Preprint)

hosp., ↓74.4%, p<0.001

Ivermectin and the odds of hospitalization due to COVID-19: evidence from a quasi-experimental analysis based on a public intervention in Mexico City

Details   Analysis of Mexico City's use of an ivermectin-based medical kit, showing significantly lower hospitalization with use. Authors use logistic-regression models with matched observations, including adjustments for age, sex, COVID severity, ..

Apr 30

Review
Kory et al., American Journal of Therapeutics, doi:10.1097/MJT.0000000000001377 (Review) (Peer Reviewed)

review

Review of the Emerging Evidence Demonstrating the Efficacy of Ivermectin in the Prophylaxis and Treatment of COVID-19

Details   Review of ivermectin trials and epidemiological data, concluding that ivermectin is effective for prophylaxis and treatment, and should be globally and systematically deployed in the prevention and treatment of COVID-19.

Apr 29

Late
Ahsan et al., Cureus, doi:10.7759/cureus.14761 (Peer Reviewed)

death, ↓50.0%, p=0.03

Clinical Variants, Characteristics, and Outcomes Among COVID-19 Patients: A Case Series Analysis at a Tertiary Care Hospital in Karachi, Pakistan

Details   Retrospective 165 hospitalized patients in Pakistan showing unadjusted lower mortality with combined ivermectin and doxycycline treatment. Details of the ivermectin group compared to other patients are not provided, however ivermectin was..

Apr 19

Review
DiNicolantonio et al., Open Heart, doi:10.1136/openhrt-2021-001655 (Review) (Peer Reviewed)

review

Anti-inflammatory activity of ivermectin in late-stage COVID-19 may reflect activation of systemic glycine receptors

Details   Review suggesting that the effectiveness of ivermectin in the cytokine storm phase of COVID-19 may be, at least in part, an anti-inflammatory effect mediated by increased activation of glycine receptors on leukocytes and possibly vascular..

Apr 17

Early
Loue et al., J. Infectious Diseases and Epidemiology, doi:10.23937/2474-3658/1510202 (Peer Reviewed)

death, ↓70.0%, p=0.34

Ivermectin and COVID-19 in Care Home: Case Report

Details   Small quasi-randomized (patient choice) study with 25 PCR+ patients in a nursing home offered ivermectin, of which 10 chose to be treated. The mean age was 83.5 in the treatment group and 81.8 in the control group. There was lower mortali..

Apr 16

PrEPPEP
Morgenstern et al., Cureus, doi:10.7759/cureus.17455 (preprint 4/16/2021) (Peer Reviewed)

hosp., ↓80.0%, p=0.50

Ivermectin as a SARS-CoV-2 Pre-Exposure Prophylaxis Method in Healthcare Workers: A Propensity Score-Matched Retrospective Cohort Study

Details   Propensity matched retrospective prophylaxis study of healthcare workers in the Dominican Republic showing significantly lower cases with treatment, and no hospitalization with treatment (versus 2 in the PSM matched control group). The ca..

Apr 15

In Silico
Schöning et al., Research Square, doi:10.21203/rs.3.rs-379291/v1 (Preprint)

In Silico

Highly-transmissible Variants of SARS-CoV-2 May Be More Susceptible to Drug Therapy Than Wild Type Strains

Details   In Silico study of ivermectin treatment predicting greater efficacy for variants with higher R0.

Apr 14

PrEPPEP
Seet et al., International Journal of Infectious Diseases, doi:10.1016/j.ijid.2021.04.035 (Peer Reviewed)

symp. case, ↓49.8%, p=0.0009

Positive impact of oral hydroxychloroquine and povidone-iodine throat spray for COVID-19 prophylaxis: an open-label randomized trial

Details   Prophylaxis RCT in Singapore with 3,037 low risk patients, showing lower serious cases, lower symptomatic cases, and lower confirmed cases of COVID-19 with all treatments (ivermectin, HCQ, PVP-I, and Zinc + vitamin C) compared to vitamin ..

Apr 10

In Silico
Bello et al., Journal of Biomolecular Structure and Dynamics, doi:10.1080/07391102.2021.1911857 (Peer Reviewed)

In Silico

Elucidation of the inhibitory activity of ivermectin with host nuclear importin α and several SARS-CoV-2 targets

Details   In Silico analysis finding that the in vitro activity of ivermectin may explained by acting as an inhibitor of importin-α, dimeric 3CLpro, and Nsp9.

Apr 3

Review
Turkia, M., Research Gate (Review) (Preprint)

review

A timeline of ivermectin-related events in the COVID-19 pandemic

Details   An extensive timeline of ivermectin-related events from April 2020 to March 2021 including studies, news, health authority decisions, biased news coverage, and censorship. The author concludes that in a broader historical perspective, th..

Apr 1

Early
Mourya et al., Int. J. Health and Clinical Research (Peer Reviewed)

viral+, ↓89.4%, p<0.0001

Comparative Analytical Study of Two Different Drug Regimens in Treatment of Covid 19 Positive Patients in Index Medical College Hospital and Research Center, Indore, India

Details   Retrospective 100 patients in India with 50 treated with ivermectin, and SOC for all patients including HCQ+AZ, showing much higher viral clearance with ivermectin. Baseline clinical status was worse in the control group. Time of testing ..

Mar 30

Review
Wehbe et al., Front. Immunol., doi:10.3389/fimmu.2021.663586 (Review) (Peer Reviewed)

review

Repurposing Ivermectin for COVID-19: Molecular Aspects and Therapeutic Possibilities

Details   Review of how ivermectin was identified for use in COVID-19, mechanisms of action, and selected clinical trials.

Mar 30

Early
Chahla et al., Research Square, doi:10.21203/rs.3.rs-495945/v1 (original preprint 3/30) (Preprint)

no disch., ↓86.9%, p=0.004

Cluster Randomised Trials - Ivermectin Repurposing For COVID-19 Treatment Of Outpatients With Mild Disease In Primary Health Care Centers

Details   Cluster RCT outpatients in Argentina showing significantly faster recovery with ivermectin. There were no deaths. Cluster RCT where outpatients in Tucumán were assigned to the ivermectin group and outpatients from San Miguel de Tucumán an..

Mar 29

Meta
Kow et al., Pharmacological Reports, doi:10.1007/s43440-021-00245-z (Peer Reviewed) (meta analysis)

meta-analysis

The association between the use of ivermectin and mortality in patients with COVID-19: a meta-analysis

Details   Small meta analysis of 6 RCTs showing mortality OR 0.21 [0.11-0.42]. Authors do not include two more recent RCTs with mortality results, 10 other studies with mortality results, and a total of 42 other studies including other outcomes. Au..

Mar 26

PrEPPEP
Tanioka et al., medRxiv, doi:10.1101/2021.03.26.21254377 (Preprint)

death, ↓88.2%, p=0.002

Why COVID-19 is not so spread in Africa: How does Ivermectin affect it?

Details   Retrospective study of the 31 onchocerciasis-endemic countries using the community-directed treatment with ivermectin (CDTI) and the 22 non-endemic countries in Africa, showing significantly lower mortality per capita in the countries us..

Mar 25

In Silico
Udofia et al., Network Modeling Analysis in Health Informatics and Bioinformatics, doi:10.1007/s13721-021-00299-2 (Peer Reviewed)

In Silico

In silico studies of selected multi-drug targeting against 3CLpro and nsp12 RNA-dependent RNA-polymerase proteins of SARS-CoV-2 and SARS-CoV

Details   In Silico analysis finding that ivermectin had the highest binding energy against the 3CLpro of SARS-CoV-2 and RdRps of both SARS-CoV and SARS-CoV-2.

Mar 25

In Silico
Choudhury et al., Future Medicine, doi:10.2217/fvl-2020-0342 (Peer Reviewed)

In Silico

Exploring the binding efficacy of ivermectin against the key proteins of SARS-CoV-2 pathogenesis: an in silico approach

Details   In Silico analysis finding that ivermectin has high binding affinity for the SARS-CoV-2 viral spike protein, main protease, replicase, and human TMPRSS2 receptors.

Mar 25

Late
Huvemek Press Release (Preprint)

no improv., ↓31.6%, p=0.28

Kovid-19 - Huvemek® Phase 2 clinical trial

Details   Phase 2 results from a multicenter RCT of hospitalized patients in Bulgaria showing faster viral clearance, greater clinical improvement, and improved biomarkers with treatment. Ivermectin was taken on an empty stomach, potentially reduci..

Mar 24

Review
Yagisawa et al., The Japanese Journal of Antibiotics, 74-1, Mar 2021 (Review) (Peer Reviewed)

review

Global trends in clinical studies of ivermectin in COVID-19

Details   Review of ivermectin for COVID-19. Authors note that Kitasato University's project was expanded in response to the results of Caly et al. which had left questions regarding in vivo therapeutic levels, and the results of those studies were..

Mar 21

Early
Emmerich et al., Int. J. Environ. Res. Public Health, doi:10.3390/ijerph18073371 (Preprint)
Comparisons between the Neighboring States of Amazonas and Pará in Brazil in the Second Wave of COVID-19 Outbreak and a Possible Role of Early Ambulatory Treatment

Details   Comparison between the two largest neighboring states in Brazil, Amazonas and Pará, showing more than 5 times lower mortality in Pará during the second wave when the Pará government supported early treatment and Amazonas did not, compared..

Mar 18

Late
Del Franco et al., Journal of Biomedical Research and Clinical Investigation, doi:10.31546/2633-8653.1008 (Peer Reviewed)
Ivermectin in Long-Covid Patients: A Retrospective Study

Details   Retrospective 856 patients previously admitted to hospital for COVID-19 in Argentina, finding that ivermectin improved recovery from "long covid" symptoms.

Mar 17

In Vitro
Kumar et al., bioRxiv, doi:10.1101/2021.05.17.444467 (Preprint) (In Vitro)

In Vitro

Moxidectin and ivermectin inhibit SARS-CoV-2 replication in Vero E6 cells but not in human primary airway epithelium cells

Details   In Vitro study showing moxidectin and ivermectin exhibited antiviral activity in Vero E6 cells. Authors indicate that no statistically significant effect was seen in Calu-3/PBEC cells, however Figure 3 shows a dose dependent reduction wit..

Mar 12

Early
Roy et al., medRxiv, doi:10.1101/2021.03.08.21252883 (Preprint)

recov. time, ↓5.6%, p=0.87

Outcome of Different Therapeutic Interventions in Mild COVID-19 Patients in a Single OPD Clinic of West Bengal: A Retrospective study

Details   Retrospective database analysis of 56 mild COVID-19 patients, all treated with vitamin C, vitamin D, and zinc, comparing ivermectin + doxycycline (n=14), AZ (n=13), HCQ (n=14), and SOC (n=15), finding that all groups recover quickly, and ..

Mar 11

Meta
Nardelli et al., Signa Vitae, doi:10.22514/sv.2021.043 (Peer Reviewed) (meta analysis)

death, ↓79.5%, p<0.0001

Crying wolf in time of Corona: the strange case of ivermectin and hydroxychloroquine. Is the fear of failure withholding potential life-saving treatment from clinical use?

Details   Meta analysis of RCT mortality results showing RR 0.19, p < 0.00001.

Mar 11

Meta
Scheim et al., OSF Preprints (Preprint) (meta analysis)

meta-analysis

Ivermectin sales in Valle del Cauca, Colombia, patterns of AEs, and other background re López-Medina et al. 2021

Details   Analysis of several issues with López-Medina et al. including the atypical adverse effects in the control arm and population use of ivermectin.

Mar 11

Meta
Scheim et al., OSF Preprints (Preprint) (meta analysis)

meta-analysis

Protocol violations in López-Medina et al.: 38 switched ivermectin (IVM) and placebo doses, failure of blinding, widespread IVM sales OTC in Cali, and nearly identical AEs for the IVM and control groups

Details   Report on protocol violations in López-Medina et al.

Mar 10

In SIlico
Kern et al., Frontiers in Pharmacology, doi:10.3389/fphar.2021.625678 (Peer Reviewed)

In Silico

Modeling of SARS-CoV-2 Treatment Effects for Informed Drug Repurposing

Details   Modeling study analyzing timing and dosing regimens of hydroxychloroquine, lopinavir/ritonavir, ivermectin, artemisinin, and nitazoxanide. The greatest benefits were seen when treatments were given immediately at the time of diagnosis. Au..

Mar 10

In Vitro
Yesilbag et al., Virus Research, doi:10.1016/j.virusres.2021.198384 (Peer Reviewed) (In Vitro)

In Vitro

Ivermectin also inhibits the replication of bovine respiratory viruses (BRSV, BPIV-3, BoHV-1, BCoV and BVDV) in vitro

Details   In Vitro study showing that ivermectin can inhibit infection of bovine respiratory disease viral agents BCoV, BPIV-3, BVDV, BRSV and BoHV-1 at the concentrations of 2.5 and 5 μM and in a dose-dependent manner.

Mar 9

Late
Pott-Junior et al., Toxicology Reports, doi:10.1016/j.toxrep.2021.03.003 (Peer Reviewed)

ventilation, ↓85.2%, p=0.25

Use of ivermectin in the treatment of Covid-19: a pilot trial

Details   Very small RCT with 4 control patients and 28 ivermectin patients split across 3 different dosage levels, showing lower (non-statistically significant) ICU admission with treatment. Authors suggest that ivermectin for SARS-CoV-2 is safe a..

Mar 8

Early
Chamie-Quintero et al., OSF Preprints (Preprint)
Ivermectin for COVID-19 in Peru: 14-fold reduction in nationwide excess deaths, p=.002 for effect by state, then 13-fold increase after ivermectin use restricted

Details   Analysis of ivermectin use in Peru concluding that ivermectin most likely caused a 14 times reduction in excess deaths in Peru, prior to a 13 times increase after reversal of ivermectin use. Authors conclude that the results strongly sugg..

Mar 8

Late
Guzman et al., medRxiv, doi:10.1101/2021.03.04.21252084 (Preprint)

death, ↓19.0%, p=0.35

Factors associated with increased mortality in critically ill COVID-19 patients in a Mexican public hospital: the other faces of health system oversaturation

Details   Retrospective 196 critically ill patients in Mexico. Patients overlap with the existing RCT by Beltran-Gonzalez (NCT04391127). This preprint shows a larger treated population and greater (non-statistically significant) improvement with iv..

Mar 8

Late
Galan et al., Pathogens and Global Health, doi:10.1080/20477724.2021.1890887 (Peer Reviewed)
Phase 2 randomized study on chloroquine, hydroxychloroquine or ivermectin in hospitalized patients with severe manifestations of SARS-CoV-2 infection

Details   RCT 168 very late stage severe condition hospitalized patients comparing CQ, HCQ, and ivermectin not showing significant differences. Authors were unable to add a control arm due to ethical issues. Authors claim that "the mortality ..

Mar 5

Safety
Descotes, J., ImmunoSafe Consultance (Preprint)

safety analysis

Medical Safety of Ivermectin

Details   Safety analysis of >350 articles showing that ivermectin has an excellent safety profile. The author notes that "no severe adverse event has been reported in dozens of completed or ongoing studies involving thousands of participants..

Mar 4

Early
López-Medina et al., JAMA, doi:10.1001/jama.2021.3071 (Peer Reviewed)

death, ↓66.8%, p=0.50

Effect of Ivermectin on Time to Resolution of Symptoms Among Adults With Mild COVID-19: A Randomized Clinical Trial

Details   An open letter, signed by >100 physicians, concluding this study is fatally flawed can be found at [ jamaletter.com ] . This is a phone survey based RCT with low risk patients, 200 ivermectin and 198 control, showing lower mortality, lowe..

Mar 1

In Silico
Saha et al., Structural Chemistry, doi:10.1007/s11224-021-01776-0 (preprint 3/1) (Preprint)

In Silico

The Binding mechanism of ivermectin and levosalbutamol with spike protein of SARS-CoV-2

Details   In SIlico analysis predicting that ivermectin has a large binding affinity for the SARS-CoV-2 spike protein. Three different computer modeling techniques show that ivermectin can inhibit SARS-CoV-2 entrance via hACE2.

Feb 23

Late
Gonzalez et al., medRxiv, doi:10.1101/2021.02.18.21252037 (Preprint)

death, ↓14.4%, p=1.00

Efficacy and safety of Ivermectin and Hydroxychloroquine in patients with severe COVID-19. A randomized controlled trial

Details   RCT late stage severe condition (93% SOFA ≥ 2, 96% APACHE ≥ 8) high comorbidity hospitalized patients in Mexico with 36 low dose ivermectin and 37 control patients not finding significant differences. NCT04391127. Another study reports re..

Feb 20

News
BIRD Meeting 20th February 2021 (News)

news

BIRD Meeting 20th February 2021

Details   The British Ivermectin Recommendation Development (BIRD) panel, with dozens of multi-national scientists & doctors, issued sweeping recommendations for the immediate global use of ivermectin.

Feb 16

Early
Elalfy et al., J. Med. Virol., doi:10.1002/jmv.26880 (Peer Reviewed)

viral+, ↓86.9%, p<0.0001

Effect of a combination of Nitazoxanide, Ribavirin and Ivermectin plus zinc supplement (MANS.NRIZ study) on the clearance of mild COVID-1

Details   Non-randomized controlled trial with 62 mild and early moderate patients with home treatment with ivermectin + nitazoxanide + ribavirin + zinc, showing significantly faster viral clearance.

Feb 15

PrEPPEP
Behera et al., Cureus 13:8, doi:10.7759/cureus.16897 (preprint 2/15/21) (Peer Reviewed)

cases, ↓83.0%, p<0.001

Prophylactic Role of Ivermectin in Severe Acute Respiratory Syndrome Coronavirus 2 Infection Among Healthcare Workers

Details   Prospective prophylaxis study with 3,532 healthcare workers, 2,199 receiving two-dose ivermectin prophylaxis, showing adjusted relative risk of confirmed COVID-19 with treatment 0.17 [0.12-0.23] p<0.001. 186 patients took only the first d..

Feb 12

Early
Biber et al., medRxiv, doi:10.1101/2021.05.31.21258081 (results 2/12/21) (Preprint)

hosp., ↓70.2%, p=0.34

Favorable outcome on viral load and culture viability using Ivermectin in early treatment of non-hospitalized patients with mild COVID-19, A double-blind, randomized placebo-controlled trial

Details   Double blind RCT for mild-moderate COVID-19 outpatients in Israel showing significantly faster reduction in viral load with treatment, and lower hospitalization with treatment. The one treatment hospitalization was a few hours after treat..

Feb 10

Late
Lima-Morales (Peer Reviewed)

death, ↓77.7%, p<0.001

Effectiveness of a multidrug therapy consisting of ivermectin, azithromycin, montelukast and acetylsalicylic acid to prevent hospitalization and death among ambulatory COVID-19 cases in Tlaxcala, Mexico

Details   Prospective trial of 768 COVID-19 outpatients in Mexico, 481 treated with ivermectin, AZ, montelukast, and aspirin, and 287 control patients with various treatments, showing significantly lower mortality and hospitalization, and significa..

Feb 2

Early
Mohan et al., Journal of Infection and Chemotherapy, doi:10.1016/j.jiac.2021.08.021 (preprint 2/2/2021) (Peer Reviewed)

no recov., ↓62.5%, p=0.27

Single-dose oral ivermectin in mild and moderate COVID-19 (RIVET-COV): a single-centre randomized, placebo-controlled trial

Details   RCT in India with low risk patients, comparing 24mg ivermectin, 12mg ivermectin, and placebo showing non-statistically significant improvements in recovery and PCR+ status (day 5 both arms, day 7 24mg only) with treatment, and showing gre..

Jan 29

Meta
Cobos-Campos et al., Clin. Res. Trials, 2021, doi:10.15761/CRT.1000333 (Peer Reviewed) (meta analysis)

meta-analysis

Potential use of ivermectin for the treatment and profilaxis of SARS-CoV-2 infection: Efficacy of ivermectin for SARS-CoV-2

Details   Review finding that there appears to be sufficient evidence to recommend ivermectin for the treatment of COVID-19, especially in the early stages of the disease.

Jan 27

Meta
Castaneda-Sabogal et al., medRxiv, doi:10.1101/2021.01.26.21250420 (Preprint) (meta analysis)

meta-analysis

Outcomes of Ivermectin in the treatment of COVID-19: a systematic review and meta-analysis

Details   Student-written meta analysis of a very small subset of studies exhibiting very high bias and significant flaws. Some of the problems: - As of the publication date, there are 35 studies, authors include only 4. (They list 5, but two are ..

Jan 25

In Silico
Eweas et al., Frontiers in Microbiology, doi:10.3389/fmicb.2020.592908 (Peer Reviewed)

In Silico

Molecular Docking Reveals Ivermectin and Remdesivir as Potential Repurposed Drugs Against SARS-CoV-2

Details   Molecular docking analysis showing that ivermectin efficiently binds to the viral S protein as well as the human cell surface receptors ACE-2 and TMPRSS2; therefore, it might be involved in inhibiting the entry of the virus into the host ..

Jan 23

Animal
Errecalde et al., Journal of Pharmaceutical Sciences, doi:10.1016/j.xphs.2021.01.017 (Peer Reviewed)

animal study

Safety and Pharmacokinetic Assessments of a Novel Ivermectin Nasal Spray Formulation in a Pig Model

Details   Animal study of a novel spray formulation of ivermectin, showing an advantage of the spray formulation in terms of fast attainment of high and persistent ivermectin concentrations in nasopharyngeal tissue.

Jan 21

Early
Chamie-Quintero et al., Preprint, doi:10.2139/ssrn.3765018 (Preprint)
Sharp Reductions in COVID-19 Case Fatalities and Excess Deaths in Peru in Close Time Conjunction, State-By-State, with Ivermectin Treatments

Details   Analysis of ivermectin usage within states in Peru showing sharp reductions in COVID-19 deaths corresponding to the usage of ivermectin treatment.

Jan 20

In Vitro
Mody et al., Communications Biology, doi:10.1038/s42003-020-01577-x (Peer Reviewed) (In Vitro)

In Vitro

Identification of 3-chymotrypsin like protease (3CLPro) inhibitors as potential anti-SARS-CoV-2 agents

Details   Computational molecular modeling screening and in vitro analysis for inhibitory effects on SARS-CoV-2 specific 3CLpro enzyme, showing that ivermectin blocked more than 85% of 3CLpro activity of SARS-CoV-2. Antiviral activity of ivermectin..

Jan 19

Late
Shahbaznejad et al., Clinical Therapeutics, doi:10.1016/j.clinthera.2021.04.007 (partial results available 1/19) (Peer Reviewed)

death, ↑197.1%, p=1.00

Effect of ivermectin on COVID-19: A multicenter double-blind randomized controlled clinical trial

Details   RCT in Iran showing shorter time to recovery and shorter hospitalization time with ivermectin. There were no adverse effects. There was one death in the treatment group, the patient was in critical condition at baseline and died within 24..

Jan 19

Meta
Hill et al., Research Square, doi:10.21203/rs.3.rs-148845/v1 (Preprint) (meta analysis)

death, ↓75.0%, p=0.0002

Meta-analysis of randomized trials of ivermectin to treat SARS-CoV-2 infection

Details   Meta analysis of 18 ivermectin RCTs with 2,282 patients showing faster viral clearance (dose and duration dependent), improved clinical recovery, and lower hospitalization and mortality. In six RCTs of moderate or severe infection, there ..

Jan 16

Early
Samaha et al., Viruses, doi:10.3390/v13060989 (results 1/16) (Peer Reviewed)
Effects of a Single Dose of Ivermectin on Viral and Clinical Outcomes in Asymptomatic SARS-CoV-2 Infected Subjects: A Pilot Clinical Trial in Lebanon

Details   This study was retracted.

Jan 16

Early
Bukhari et al., medRxiv, doi:10.1101/2021.02.02.21250840 (results 1/16) (Preprint)

viral+, ↓82.4%, p<0.0001

Efficacy of Ivermectin in COVID-19 Patients with Mild to Moderate Disease

Details   RCT of relatively low risk hospitalized patients with 50 ivermectin and 50 control patients showing significantly faster viral clearance with treatment. 9 patients in the treatment arm were lost to followup compared with 5 in the control ..

Jan 13

Review
Kory et al., Frontiers in Pharmacology, doi:10.3389/fphar.2021.643369 (Review) (Peer Reviewed)

review

Review of the Emerging Evidence Demonstrating the Efficacy of Ivermectin in the Prophylaxis and Treatment of COVID-19

Details   Meta analysis of ivermectin clinical studies and natural experiments where ivermectin has been widely used, showing efficacy of ivermectin in prophylaxis and treatment of COVID-19. This paper was censored by the journal after acceptance [..

Jan 12

Late
Okumuş et al., BMC Infectious Diseases, doi:10.1186/s12879-021-06104-9 (preprint 1/12) (Peer Reviewed)

death, ↓33.3%, p=0.55

Evaluation of the Effectiveness and Safety of Adding Ivermectin to Treatment in Severe COVID-19 Patients

Details   Small RCT for severe COVID-19 comparing the addition of ivermectin to SOC (low dose HCQ+AZ+favipiravir), with 30 treatment and 30 control patients in Turkey, showing lower mortality and faster clinical recovery. Authors also investigate t..

Jan 11

PrEPPEP
Chahla et al., American Journal of Therapeutics, doi:10.1097/MJT.0000000000001433 (Peer Reviewed)

m/s case, ↓95.2%, p=0.002

A randomized trial - intensive treatment based in ivermectin and iota-carrageenan as pre-exposure prophylaxis for COVID-19 in healthcare agents

Details   Prophylaxis RCT for ivermectin and iota-carrageenan in Argentina, 117 healthcare workers treated with ivermectin and iota-carrageenan, and 117 controls, showing significantly lower cases with treatment. There were no moderate/severe cases..

Jan 11

N/A
Bousquet-Melou et al., Preprint, doi:10.22541/au.161047848.80388481/v1 (Preprint)

dosing study

Large Impact of obesity on the disposition of ivermectin, moxidectin and eprinomectin in a canine model: relevance for COVID-19 patients

Details   Animal dosing study with an obese dog model concluding that ivermectin maintenance doses should be based on lean body weight and not the total body weight in obese subjects, while the loading dose should be based on the total body weight.

Jan 10

Review
Formiga et al., J. Control Release, doi:10.1016/j.jconrel.2020.10.009 (Review) (Peer Reviewed)

review

Ivermectin: an award-winning drug with expected antiviral activity against COVID-19

Details   Review hypothesizing that micro- and nanotechnology-based formulations of ivermectin for the pulmonary delivery of ivermectin may be beneficial for use with COVID-19.

Jan 9

Early
Ravikirti et al., Journal of Pharmacy & Pharmaceutical Sciences, doi:10.18433/jpps32105 (Peer Reviewed)

death, ↓88.7%, p=0.12

Ivermectin as a potential treatment for mild to moderate COVID-19: A double blind randomized placebo-controlled trial

Details   RCT with 112 mild and moderate COVID-19 patients in India, showing lower mortality, ventilation, and ICU admission, although not statistically significant due to the small number of events. There was no mortality in the treatment arm (55 ..

Jan 8

Early
Chamie, J. (News)

news

COVID-19 in Mexico

Details   Comparison of COVID-19 death rates in Mexico showing that the only state using ivermectin has a dramatically lower rate.

Jan 6

Early
Babalola et al., QJM: An International Journal of Medicine, doi:10.1093/qjmed/hcab035 (preprint 1/6) (Peer Reviewed)

viral+, ↓63.9%, p=0.11

Ivermectin shows clinical benefits in mild to moderate COVID19: A randomised controlled double-blind, dose-response study in Lagos

Details   Small RCT comparing ivermectin 6mg & 12mg q84hr with lopinavir/ritonavir, showing a statistically significant and dose dependent effect of ivermectin on reducing the time to PCR-. The study does not report mortality, hospitalization, pro..

Jan 6

PrEPPEP
Hirsch et al., Microbiology & Infectious Diseases (Peer Reviewed)
Ivermectin as Prophylaxis Against COVID-19 Retrospective Cases Evaluation

Details   Report on ivermectin prophylaxis for healthcare workers in a hospital in Argentina, showing 0 cases in the 162 participants. Dosage was 0.2mg/kg weekly for eight weeks, followed by 4 months rest.

Jan 3

Early, Late, PrEP, PEP
Lawrie et al., Preprint (Preprint) (meta analysis)

death, ↓83.0%, p<0.0001

Ivermectin reduces the risk of death from COVID-19 – a rapid review and meta-analysis in support of the recommendation of the Front Line COVID-19 Critical Care Alliance

Details   Meta analysis confirming the effectiveness of ivermectin for COVID-19, showing ivermectin treatment mortality relative risk RR 0.17 [0.18-0.35] and prophylaxis cases RR 0.12 [0.08-0.18].

Dec 312020

Late
Wijaya et al., Cermin Dunia Kedokteran, 47:7 (Peer Reviewed)
Ivermectin as a Potential Therapeutic Agent for COVID-19 – case studies

Details   Case report on 3 confirmed cases of COVID-19 with significant clinical and radiological improvement after a single dose of ivermectin.

Dec 312020

Animal
Madrid et al., Heliyon, doi:10.1016/j.heliyon.2020.e05820 (Peer Reviewed)

animal study

Safety of oral administration of high doses of ivermectin by means of biocompatible polyelectrolytes formulation

Details   In vivo analysis of the safety of high dose ivermectin with a Corydoras fish animal model.

Dec 302020

Review
McCullough et al., Reviews in Cardiovascular Medicine, doi:10.31083/j.rcm.2020.04.264 (Review) (Peer Reviewed)

review

Multifaceted highly targeted sequential multidrug treatment of early ambulatory high-risk SARS-CoV-2 infection (COVID-19)

Details   Review urging early treatment of COVID-19 with sequential multidrug treatment that has been shown to be safe and effective. Proposed treatment includes zinc, vitamin D & C, quercetin, and depending on age, comorbidities, and symptoms may ..

Dec 302020

Early
Procter et al., Reviews in Cardiovascular Medicine, doi:10.31083/j.rcm.2020.04.260 (Peer Reviewed)
Clinical outcomes after early ambulatory multidrug therapy for high-risk SARS-CoV-2 (COVID-19) infection

Details   Retrospective 922 outpatients, with 320 treated early due to age>50 or comorbidities, showing 2.2% hospitalization and 0.3% death, which authors note is considerably lower than reported in other studies in their region. At least two of z..

Dec 272020

Meta
Hill, A., Preprint (Preprint) (meta analysis)

meta-analysis

Meta-analysis of clinical trials of ivermectin to treat COVID-19 infection

Details   WHO-funded meta analysis showing ivermectin treatment mortality relative risk RR 0.17 [0.08-0.35] for RCTs and RR 0.28 [0.13-0.62] for RCTs and observational studies, and confirming a dose-response effect.

Dec 242020

In Vitro
Jeffreys et al., bioRxiv, doi:10.1101/2020.12.23.424232 (Preprint) (In Vitro)

In Vitro

Remdesivir-Ivermectin combination displays synergistic interaction with improved in vitro antiviral activity against SARS-CoV-2

Details   In Vitro study showing enhanced antiviral activity of ivermectin and remdesivir in combination.

Dec 202020

PrEPPEP
IVERCOR PREP, Preliminary Results (Preprint)

cases, ↓73.4%, p<0.0001

Ivermectina en agentes de salud e IVERCOR COVID19

Details   Report on ivermectin prophylaxis in a hospital in Argentina showing lower cases for healthcare workers taking ivermectin. Preliminary results from: [1]. Note that this prophylaxis trial is a different study to the early treatment Vallejos..

Dec 182020

Early, Late, PrEP, PEP
Kory et al., FLCCC Alliance (Preprint) (meta analysis)

death, ↓69.0%, p<0.0001

Review of the Emerging Evidence Demonstrating the Efficacy of Ivermectin in the Prophylaxis and Treatment of COVID-19

Details   Meta analysis of ivermectin clinical studies and natural experiments where ivermectin has been widely used, showing efficacy of ivermectin in prophylaxis and treatment of COVID-19.

Dec 152020

PrEPPEP
Alam et al., European Journal ofMedical and Health Sciences, doi:10.24018/ejmed.2020.2.6.599 (Peer Reviewed)

cases, ↓90.6%, p<0.0001

Ivermectin as Pre-exposure Prophylaxis for COVID-19 among Healthcare Providers in a Selected Tertiary Hospital in Dhaka – An Observational Study

Details   91% reduction in COVID-19 cases with ivermectin prophylaxis. 118 healthcare workers in Bangladesh, 58 receiving ivermectin 12mg monthly, showing RR 0.094, p < 0.0001.

Dec 152020

Early
Ghauri et al., International Journal of Clinical Studies & Medical Case Reports, doi:10.46998/IJCMCR.2021.13.000320 (preprint 12/15/2020) (Peer Reviewed)

no recov., ↓92.2%, p=0.04

Ivermectin Use Associated with Reduced Duration of Covid-19 Febrile Illness in a Community Setting

Details   Retrospective 95 outpatients in Pakistan with strong clinical suspicion of COVID-19 (testing was not widely available), with 40 patients treated with ivermectin, showing significantly shorter duration of febrile illness with treatment. Mo..

Dec 112020

Early
Hussain et al., International Journal of Molecular and Immuno Oncology, doi:10.25259/IJMIO_30_2020 (Preprint)
Outcome of ivermectin and doxycycline in cancer patients with COVID-19: A positive experience in Bangladesh

Details   Small case study of ivermectin + doxycycline with 8 cancer patients, with all patients becoming PCR- by day 6 when tested again.

Dec 72020

Early
Chaccour et al., EClinicalMedicine, doi:10.1016/j.eclinm.2020.100720 (preprint 12/7) (Peer Reviewed)

symptoms, ↓96.0%, p<0.05

The effect of early treatment with ivermectin on viral load, symptoms and humoral response in patients with non-severe COVID-19: A pilot, double-blind, placebo-controlled, randomized clinical trial

Details   Tiny RCT for early treatment of mild COVID-19 in low risk patients, with 12 400mcg/kg single dose ivermectin patients and 12 control patients, showing significantly faster viral load reduction and symptom improvement with ivermectin. Aver..

Dec 42020

Meta
Kalfas et al., medRxiv, doi:10.1101/2020.11.30.20236570 (Preprint) (meta analysis)

meta-analysis

The therapeutic potential of ivermectin for COVID-19: a systematic review of mechanisms and evidence

Details   Review of ivermectin mechanisms and 8 trials, showing positive mortality benefit, reduced time to clinical recovery, reduced incidence of disease progression, and decreased duration of hospital admission in patients across all stages of c..

Dec 42020

In Vitro
Surnar et al., ACS Pharmacol. Transl. Sci., doi:10.1021/acsptsci.0c00179 (Peer Reviewed) (In Vitro)

In Vitro

Clinically Approved Antiviral Drug in an Orally Administrable Nanoparticle for COVID-19

Details   In Vitro analysis of ivermectin with orally administrable nanoparticles showing efficacy for decreasing expression of the viral spike protein and ACE2. Inhibition of nuclear transport activities mediated through proteins such as importin ..

Dec 22020

Early
Ahmed et al., International Journal of Infectious Diseases, doi:10.1016/j.ijid.2020.11.191 (Peer Reviewed)

symptoms, ↓85.0%, p=0.09

A five day course of ivermectin for the treatment of COVID-19 may reduce the duration of illness

Details   Small 72 patient RCT of ivermectin and ivermectin + doxycycline showing faster recovery with ivermectin. The ivermectin + doxycycline group uses only a single dose of ivermectin vs. 5 daily doses for the ivermectin group. PCR testing was ..

Dec 22020

Early
Chamie, J. (News)

news

The effect of using ivermectin to control COVID-19 in Chiapas

Details   Report showing that after starting to distribute ivermectin in drug kits in July, the Mexican state of Chiapas has seen a dramatic divergence from other states with much lower mortality [1, 2].

Dec 12020

Early
Alonso et al., (Preprint)

death, ↓91.8%, p=0.009

COVID-19: Uso de ivermectina

Details   Observational study in Argentina showing significantly lower mortality in the 60 days after adopting ivermectin compared to the 60 days before, relative risk RR 0.082, p=0.003.

Nov 282020

PrEPPEP
Bernigaud et al., Annals of Dermatology and Venereology, doi:10.1016/j.annder.2020.09.231 (Peer Reviewed)

death, ↓99.4%, p=0.08

Ivermectin benefit: from scabies to COVID-19, an example of serendipity

Details   69 residents of a French care home, median age 90, were treated with ivermectin for a scabies outbreak. 3,062 residents in 45 nearby comparable homes were used as controls. 7 of 69 treated patients had probable or certain COVID-19, with n..

Nov 282020

PrEPPEP
Hellwig et al., International Journal of Antimicrobial Agents, doi:10.1016/j.ijantimicag.2020.106248 (Peer Reviewed)

cases, ↓78.0%, p<0.02

A COVID-19 Prophylaxis? Lower incidence associated with prophylactic administration of Ivermectin

Details   Analysis of COVID-19 cases vs. widespread prophylactic use of ivermectin for parasitic infections showing significantly lower incidence of COVID-19 cases.

Nov 242020

Late
Niaee et al., Asian Pacific Journal of Tropical Medicine, doi:10.4103/1995-7645.318304 (preprint 11/24/20) (Peer Reviewed)

death, ↓81.8%, p=0.001

Ivermectin as an adjunct treatment for hospitalized adult COVID-19 patients: A randomized multi-center clinical trial

Details   82% lower mortality with ivermectin. RCT with 180 hospitalized patients showing reduced mortality and hospital stay with ivermectin, with a wide margin of safety. All patients received SOC including low dose HCQ. Analysis suggests randomi..

Nov 222020

Animal
de Melo et al., EMBO Mol. Med., doi:10.15252/emmm.202114122 (preprint 11/22/20) (Peer Reviewed)

animal study

Attenuation of clinical and immunological outcomes during SARS-CoV-2 infection by ivermectin

Details   Animal study showing that standard doses of ivermectin prevented clinical deterioration, reduced olfactory deficit, and limited the inflammation of the upper and lower respiratory tracts in SARS-CoV-2-infected hamsters.

Nov 182020

Late
Budhiraja et al., medRxiv, doi:10.1101/2020.11.16.20232223 (Preprint)

death, ↓99.1%, p=0.04

Clinical Profile of First 1000 COVID-19 Cases Admitted at Tertiary Care Hospitals and the Correlates of their Mortality: An Indian Experience

Details   Retrospective 976 hospitalized patients with 34 treated with ivermectin showing ivermectin mortality relative risk RR 0.13, p = 0.04 in unadjusted results.

Nov 172020

PrEPPEP
Carvallo et al., Journal of Biomedical Research and Clinical Investigation, doi:10.31546/2633-8653.1007 (Peer Reviewed)

cases, ↓99.9%, p<0.0001

Study of the Efficacy and Safety of Topical Ivermectin + Iota-Carrageenan in the Prophylaxis against COVID-19 in Health Personnel

Details   Prophylaxis study using ivermectin and iota-carrageenan showing 0 of 788 cases from treated healthcare workers, compared to 237 of 407 control. The authors later reported that carrageenan is not necessary in this protocol [1].

Nov 142020

Late
Spoorthi et al., IAIM, 2020, 7:10, 177-182 (Peer Reviewed)

recov. time, ↓21.1%, p=0.03

Utility of Ivermectin and Doxycycline combination for the treatment of SARSCoV-2

Details   100 patient prospective trial of ivermectin + doxycycline showing reduced time to symptom resolution and shorter hospital stay with treatment.

Nov 132020

Late
Elgazzar et al., Research Square, doi:10.21203/rs.3.rs-100956/v2 (Preprint)
Efficacy and Safety of Ivermectin for Treatment and prophylaxis of COVID-19 Pandemic

Details   This study was withdrawn.

Nov 112020

Late
Camprubí et al., PLoS ONE, 15:11, doi:10.1371/journal.pone.0242184 (Peer Reviewed)

ventilation, ↓40.0%, p=0.67

Lack of efficacy of standard doses of ivermectin in severe COVID-19 patients

Details   Tiny 26 patient retrospective study of very late treatment with ivermectin 200 μg/kg, median 12 days after symptoms, not showing significant differences. Authors suggest the dose is too low and recommend evaluation of higher doses. All pa..

Nov 102020

Review
Turkia, M., ResearchGate (Review) (Preprint)

review

FLCCC Alliance MATH+ ascorbic acid and I-MASK+ ivermectin protocols for COVID-19 — a brief review

Details   Review suggesting that ivermectin should be used based on existing data suggesting significant benefits, and that waiting for additional data may result in significant harm.

Nov 42020

Early
Cadegiani et al., New Microbes and New Infections, doi:10.1016/j.nmni.2021.100915 (preprint 11/4/2020) (Peer Reviewed)

death, ↓78.3%, p=0.50

Early COVID-19 Therapy with azithromycin plus nitazoxanide, ivermectin or hydroxychloroquine in Outpatient Settings Significantly Improved COVID-19 outcomes compared to Known outcomes in untreated patients

Details   Comparison of HCQ, nitazoxanide, and ivermectin showing similar effectiveness for overall clinical outcomes in COVID-19 when used before seven days of symptoms, and overwhelmingly superior compared to the untreated COVID-19 population, ev..

Nov 32020

Early, Late
Morgenstern et al., J. Clinical Trials (preprint 11/3) (Peer Reviewed)
The Use of Compassionate Ivermectin in the Management of SymptomaticOutpatients and Hospitalized Patients with Clinical Diagnosis of Covid-19 at theCentro Medico Bournigal and at the Centro Medico Punta Cana, GrupoRescue, Dominican Republic, from May 1 to August 10, 2020

Details   Retrospective 3,099 outpatients treated with ivermectin in an ER. Of 2,706 treated on an outpatient basis, 18 were subsequently hospitalized, 2 in the ICU, and there was one death (0.04%). The average treatment delay for patients treated..

Nov 32020

PrEPPEP
Behera et al., PLoS ONE, doi:10.1371/journal.pone.0247163 (preprint 11/3) (Peer Reviewed)

cases, ↓53.8%, p=0.0007

Role of ivermectin in the prevention of SARS-CoV-2 infection among healthcare workers in India: A matched case-control study

Details   Retrospective matched case-control prophylaxis study for HCQ, ivermectin, and vitamin C with 372 healthcare workers, showing lower COVID-19 incidence for all treatments, with statistical significance reached for ivermectin. HCQ OR 0.56, ..

Nov 22020

Animal
Arévalo et al., Scientific Reports, doi:10.1038/s41598-021-86679-0 (preprint 11/2/20) (Peer Reviewed)

animal study

Ivermectin reduces in vivo coronavirus infection in a mouse experimental model

Details   Mouse study showing ivermectin reducing MHV viral load and disease. MHV is a type 2 family RNA coronavirus similar to SARS-CoV2.

Oct 312020

PrEPPEP
Chang et al., ResearchGate (Preprint)
COVID-19: Effectiveness of pre-exposure prophylaxis with ivermectin in exposed persons

Details   Pre-exposure prophylaxis study with 129 people split into high/low exposure groups, with each group split into different dosing regimens, showing higher effectivess with more frequent doses. High-exposure group: every 7 days dosing: 0 o..

Oct 312020

Early
Szente Fonseca et al., Travel Medicine and Infectious Disease, doi:10.1016/j.tmaid.2020.101906 (Peer Reviewed)

hosp., ↑13.9%, p=0.53

Risk of Hospitalization for Covid-19 Outpatients Treated with Various Drug Regimens in Brazil: Comparative Analysis

Details   Retrospective 717 patients in Brazil showing OR 1.17 [0.72-1.90] for ivermectin. This paper focuses on HCQ, event counts for ivermectin are not provided. With significant correlation between the variables used, including overlap in the pr..

Oct 262020

Late
Hashim et al., Iraqi Journal of Medical Science, 19:1 (Peer Reviewed)

death, ↓91.7%, p=0.03

Controlled randomized clinical trial on using Ivermectin with doxycycline for treating COVID-19 patients in Baghdad, Iraq

Details   RCT 70 ivermectin+doxycycline patients and 70 control patients showing reduced time to recovery and reduced mortality with treatment. Earlier treatment was more successful. For ethical reasons, critical patients were all in the treatment ..

Oct 222020

PrEPPEP
Guerrero et al., Colombia Médica, doi:10.25100/cm.v51i4.4613 (Peer Reviewed)
COVID-19: The Ivermectin African Enigma

Details   Study of African Programme for Onchocerciasis Control (APOC) countries, which used ivermectin, with non-APOC countries in Africa, showing 28% lower mortality for APOC countries, relative risk RR = 0.72 [0.67-0.78]. See also [1] and the au..

Oct 192020

PrEPPEP
Carvallo et al., NCT04425850 (Preprint)

cases, ↓96.3%, p<0.0001

Usefulness of Topic Ivermectin and Carrageenan to Prevent Contagion of Covid 19 (IVERCAR)

Details   Prophylaxis study using ivermectin and carrageenan showing 0 of 131 cases from treated healthcare workers, compared to 11 of 98 control. The effect is likely to be primarily due to ivermectin - the author has later reported that carragee..

Oct 132020

Animal
Chaccour et al., Scientific Reports, doi:10.1038/s41598-020-74084-y (Peer Reviewed)

animal study

Nebulized ivermectin for COVID-19 and other respiratory diseases, a proof of concept, dose-ranging study in rats

Details   Study showing that nebulized ivermectin can reach pharmacodynamic concentrations in the lung tissue of rats. Authors note that additional experiments are required to assess the safety of this formulation in larger animals.

Oct 132020

Late
Rajter et al., Chest, doi:10.1016/j.chest.2020.10.009 (Peer Reviewed)

death, ↓46.0%, p=0.045

Use of Ivermectin is Associated with Lower Mortality in Hospitalized Patients with COVID-19 (ICON study)

Details   Retrospective 280 hospitalized patients showing lower mortality with ivermectin (13.3% vs 24.5%), propensity matched odds ratio OR 0.47 [0.22-0.99], p=0.045.

Oct 92020

Early
Mahmud et al., Journal of International Medical Research, doi:10.5061/dryad.qjq2bvqf6 (preprint 10/9/20) (Peer Reviewed)

death, ↓85.7%, p=0.25

Ivermectin in combination with doxycycline for treating COVID-19 symptoms: a randomized trial

Details   RCT for ivermectin+doxycycline showing improvements in mortality, recovery, progression, and virological cure. 183 treatment and 183 control patients with no deaths in the treatment arm vs. 3 in the control arm (the 3 control deaths are n..

Oct 82020

In Silico
Francés-Monerris et al., ChemRxiv, doi:10.26434/chemrxiv.12782258.v1 (Preprint)

In Silico

Has Ivermectin Virus-Directed Effects against SARS-CoV-2? Rationalizing the Action of a Potential Multitarget Antiviral Agent

Details   In silico study showing that ivermectin is capable of interfering in different key steps of the SARS-CoV-2 replication cycle.

Oct 82020

Late
Soto-Becerra et al., medRxiv, doi:10.1101/2020.10.06.20208066 (Preprint)

death, ↓17.1%, p=0.01

Real-World Effectiveness of hydroxychloroquine, azithromycin, and ivermectin among hospitalized COVID-19 patients: Results of a target trial emulation using observational data from a nationwide Healthcare System in Peru

Details   Retrospective database study of 5683 patients, 692 received HCQ/CQ+AZ, 200 received HCQ/CQ, 203 received ivermectin, 1600 received AZ, 358 received ivermectin+AZ, and 2630 received standard of care. This study includes anyone with ICD-10..

Sep 302020

Late
Chachar et al., International Journal of Sciences, 9:31-35, doi:10.18483/ijSci.2378 (Peer Reviewed)

no recov., ↓10.0%, p=0.50

Effectiveness of Ivermectin in SARS-CoV-2/COVID-19 Patients

Details   Small RCT with 25 ivermectin and 25 control patients, not finding a significant difference in recovery at day 7.

Sep 242020

Late
Khan et al., Archivos de Bronconeumología, doi:10.1016/j.arbres.2020.08.007 (Letter)

death, ↓87.1%, p=0.02

Ivermectin treatment may improve the prognosis of patients with COVID-19

Details   Retrospective 115 ivermectin patients and 133 control patients showing significantly lower death and faster viral clearance. Some potential issues and the authors' response can be found in [1, 2].

Sep 222020

In Vitro
Li et al., J. Cellular Physiology, doi:10.1002/jcp.30055 (Peer Reviewed) (In Vitro)

In Vitro

Quantitative proteomics reveals a broad‐spectrum antiviral property of ivermectin, benefiting for COVID‐19 treatment

Details   In Vitro study showing Ivermectin is a safe wide-spectrum antiviral against SARS-CoV-2, human papillomavirus (HPV), Epstein–Barr virus (EBV), and HIV. Authors note that the combination of ivermectin and other drugs might result in more f..

Sep 152020

Early
Carvallo et al., Journal of Clinical Trials, 11:459 (preprint 9/15/20) (Peer Reviewed)

death, ↓85.4%, p=0.08

Safety and Efficacy of the Combined Use of Ivermectin, Dexamethasone, Enoxaparin and Aspirina against COVID-19 the I.D.E.A. Protocol

Details   Prospective trial of ivermectin, dexamethasone, enoxaparin, and aspirin, showing no hospitalization for mild cases, and lower mortality for moderate/severe patients.

Sep 152020

Review
Jans et al., Cells 2020, 9:9, 2100, doi:10.3390/cells9092100 (Review) (Letter)

review

Ivermectin as a Broad-Spectrum Host-Directed Antiviral: The Real Deal?

Details   Review of ivermectin as a host-directed broad-spectrum antiviral agent for a range of viruses, including SARS-CoV-2. Cell culture experiments show robust antiviral action towards HIV-1, dengue virus (DENV), Zika virus, West Nile virus, V..

Sep 92020

In SIlico
Swargiary, A., Research Square, doi:10.21203/rs.3.rs-73308/v1 (Preprint)

In Silico

Ivermectin as a promising RNA-dependent RNA polymerase inhibitor and a therapeutic drug against SARS-CoV2: Evidence from in silico studies

Details   In Silico study showing high binding affinity of ivermectin with SARS-CoV-2 RNA-dependent RNA polymerase, suggesting ivermectin as an inhibitor of RdRp.

Sep 62020

Review
DiNicolantonio et al., Open Heart, doi:10.1136/openhrt-2020-001350 (Review) (Peer Reviewed)

review

Ivermectin may be a clinically useful anti-inflammatory agent for late-stage COVID-19

Details   Review suggesting that ivermectin may be useful for late stage COVID-19. Authors note that ivermectin, in doses at or modestly above the standard clinical dose, may have important clinical potential for managing disorders associated with ..

Sep 32020

Late
Podder et al., IMC J. Med. Science, 14:2, July 2020 (Peer Reviewed)

recov. time, ↓16.1%, p=0.34

Outcome of ivermectin treated mild to moderate COVID-19 cases: a single-centre, open-label, randomised controlled study

Details   Small RCT with 32 ivermectin patients and 30 control patients. The mean recovery time after enrolment in the intervention arm was 5.31 ± 2.48 days vs. 6.33 ± 4.23 days in the control arm, p > 0.05. Negative PCR results were not significan..

Aug 312020

Late
Kishoria et al., Paripex - Indian Journal of Research, doi:10.36106/paripex/4801859 (Peer Reviewed)

no disch., ↑7.5%, p=1.00

Ivermectin as adjuvant to hydroxychloroquine in patients resistant to standard treatment for SARS-CoV-2: results of an open-label randomized clinical study

Details   Small RCT of hospitalized patients in India with 19 ivermectin patients and 13 control patients, with all receiving SOC including HCQ, showing no significant differences. The patient population is biased because the study recruited patien..

Aug 282020

PrEPPEP
Shouman et al., Journal of Clinical and Diagnostic Research, doi:10.7860/JCDR/2020/46795.0000 (Peer Reviewed)

symp. case, ↓91.3%, p<0.001

Use of Ivermectin as a Potential Chemoprophylaxis for COVID-19 in Egypt: A Randomised Clinical Trial

Details   PEP trial for asymptomatic close contacts of COVID-19 patients, 203 ivermectin patients and 101 control patients. 7.4% of contacts developed COVID-19 in the ivermectin group vs. 58.4% in the control group, adjusted odds ratio OR 0.087, p ..

Aug 152020

Early
Espitia-Hernandez et al., Biomedical Research, 31:5 (Peer Reviewed)

recov. time, ↓70.0%, p<0.0001

Effects of Ivermectin-azithromycin-cholecalciferol combined therapy on COVID-19 infected patients: A proof of concept study

Details   Small study with 28 patients treated with ivermectin + AZ + cholecalciferol and 7 control patients. All treated patients were PCR- at day 10 while all control patients remained PCR+. The mean duration of symptoms was 3 days in the treatm..

Aug 142020

Late
Bhattacharya et al., Int. J. Scientific Research, doi:10.36106/ijsr/7232245 (Peer Reviewed)
Observational Study on Clinical Features, Treatment and Outcome of COVID 19 in a tertiary care Centre in India- a retrospective case series

Details   Retrospective 148 hospitalized patients showing triple therapy with ivermectin + atorvastatin + N-acetylcysteine resulted in a 1.35% case fatality rate which was well below the national average.

Jul 312020

Review
Vora et al., Indian Journal of Tuberculosis, doi:10.1016/j.ijtb.2020.07.031 (Review) (Peer Reviewed)

review

White paper on Ivermectin as a potential therapy for COVID-19

Details   Panel review of ivermectin reporting that "ivermectin in the dose of 12mg BD alone or in combination with other therapy for 5–7 days may be considered as safe therapeutic option for mild moderate or severe cases of Covid-19 infection..

Jul 312020

Late
Chang et al., ResearchGate (Preprint)
Post-acute or prolonged COVID-19: ivermectin treatment for patients with persistent symptoms or post-acute symptoms

Details   Report on 33 patients with persistent or post-acute symptoms treated with ivermectin, showing a high rate of clinical improvement.

Jul 312020

Theory
Chang et al., ResearchGate, doi:10.13140/RG.2.2.34561.48483/2 (Preprint) (Theory)

theory

COVID-19: Post-exposure prophylaxis with ivermectin in contacts. At Homes, Places of Work, Nursing Homes, Prisons, and Others

Details   Proposed PEP protocol based on ivermectin.

Jul 312020

Late
Alam et al., Journal of Bangladesh College of Physicians and Surgeons, doi:10.3329/jbcps.v38i0.47512 (Preprint)
A Case Series of 100 COVID-19 Positive Patients Treated with Combination of Ivermectin and Doxycycline

Details   Case study of 100 patients treated with ivermectin and doxycycline, with no ICU admission, deaths, or serious side effects reported.

Jul 312020

Late
Rahman et al., J. Bangladesh Coll. Phys. Surg. 38, 5-9, doi:10.3329/jbcps.v38i0 (Peer Reviewed)
Comparison of Viral Clearance between Ivermectin with Doxycycline and Hydroxychloroquine with Azithromycin in COVID-19 Patients

Details   Comparison of 200 patients treated with ivermectin + doxycycline and 200 treated with HCQ + AZ. The HCQ + AZ group had more severe cases at baseline. Viral clearance was faster with ivermectin + doxycycline, however ivermectin clearance r..

Jul 142020

Early
Chowdhury et al., Eurasian Journal of Medicine and Oncology, doi:10.14744/ejmo.2021.16263 (Peer Reviewed)

hosp., ↓80.6%, p=0.23

A Comparative Study on Ivermectin-Doxycycline and Hydroxychloroquine-Azithromycin Therapy on COVID-19 Patients

Details   Small 116 patient RCT with low-risk patients comparing ivermectin+doxycycline and HCQ+AZ, showing lower hospitalization, higher viral clearance, and faster symptom resolution and viral clearance with ivermectin+doxycycline. Mid-recovery r..

Jul 82020

Late
Gorial et al., medRxiv, doi:10.1101/2020.07.07.20145979 (Preprint)

death, ↓71.0%, p=1.00

Effectiveness of Ivermectin as add-on Therapy in COVID-19 Management (Pilot Trial)

Details   Small trial of hospitalized patients with 16 of 87 patients being treated with ivermectin, showing a significantly lower mean hospital stay with ivermectin: 7.62 vs. 13.22 days, p=0.00005. 0 of 16 ivermectin patients died vs. 2 of 71 cont..

Jun 192020

In Silico
Lehrer et al., In Vivo, 34:5, 3023-3026, doi:10.21873/invivo.12134

In Silico

Ivermectin Docks to the SARS-CoV-2 Spike Receptor-binding Domain Attached to ACE2

Details   In silico analysis showing ivermectin docking which may interfere with the attachment of the spike to the human cell membrane.

Jun 162020

Early
Ramos et al., Preprint (Preprint)
Intervención de la Ivermectina Pre-Hospitalaria para la Modificación de la Evolución del Covid19. Estudio realizado en Perú

Details   Prospective study of 63 outpatients in Peru treated with ivermectin, reporting significant improvement within 24 hours.

Jun 122020

Review
Heidary et al., The Journal of Antibiotics, 73, 593–602, doi:10.1038/s41429-020-0336-z (Review) (Peer Reviewed)

review

Ivermectin: a systematic review from antiviral effects to COVID-19 complementary regimen

Details   Review of the antimicrobial, antiviral, and anti-cancer properties of ivermectin. Antiviral effects have been reported for Zika, dengue, yellow fever, West Nile, Hendra, Newcastle, Venezuelan equine encephalitis, chikungunya, Semliki For..

May 202020

Dosing
Arshad et al., Clinical Pharmacology & Therapeutics, doi:10.1002/cpt.1909 (Peer Reviewed) (Dosing)

dosing study

Prioritization of Anti-SARS-Cov-2 Drug Repurposing Opportunities Based on Plasma and Target Site Concentrations Derived from their Established Human Pharmacokinetics

Details   Pharmacokinetic analysis predicting that ivermectin will achieve lung concentration over 10 times higher than the reported EC50.

May 22020

Early
Chang, G., Research Gate, doi:10.13140/RG.2.2.34689.48482/7 (Preprint)
Inclusión de la ivermectina en la primera línea de acción terapéutica para COVID-19

Details   Peru observational case study of 7 patients treated with ivermectin, showing improvement and resolution of fever within 48 hours, and 100% recovery.

Apr 212020

Review
Bray et al., Antiviral Res., doi:10.1016/j.antiviral.2020.104805 (Review) (Preprint)

review

Ivermectin and COVID-19: A report in Antiviral Research, widespread interest, an FDA warning, two letters to the editor and the authors' responses

Details   Responses to Caly et al., and the author's reply. The original authors note that "ivermectin's key direct target in mammalian cells is a not a viral component, but a host protein important in intracellular transport; the fact that it..

Apr 32020

In Vitro
Caly et al., Antiviral Research, doi:10.1016/j.antiviral.2020.104787 (Peer Reviewed) (In Vitro)

In Vitro

The FDA-approved drug ivermectin inhibits the replication of SARS-CoV-2 in vitro

Details   In Vitro study showing that ivermectin is an inhibitor of SARS-CoV-2, with a single addition to Vero-hSLAM cells 2h post infection with SARS-CoV-2 able to effect ~5000-fold reduction in viral RNA at 48h. Some people claim this study show..

2013

N/A
Guzzo et al., J. Clinical Pharmacology, doi:10.1177/009127002237994 (Peer Reviewed)

safety analysis

Safety, Tolerability, and Pharmacokinetics of Escalating High Doses of Ivermectin in Healthy Adult Subjects

Details   Safety study concluding that ivermectin was generally well tolerated, with no indication of associated CNS toxicity for doses up to 10 times the highest FDA-approved dose. Adverse effects were similar between ivermectin and placebo and di..

1990

Animal
Chiu et al., J. Agric. Food Chem., doi:10.1021/jf00101a015 (Peer Reviewed)

animal study

Absorption, tissue distribution, and excretion of tritium-labeled ivermectin in cattle, sheep, and rat

Details   Animal study showing that lung tissue concentration of ivermectin may be ~20 times higher than plasma concentration.

For search methods, inclusion criteria, effect extraction criteria (more serious outcomes have priority), PRISMA answers, and statistical methods see ivmmeta.com. Meta, Theory, Safety, Review, and News items are not included in the study count. There is a total of 212 items. Studies with preprints and journal versions are listed under the earlier preprint date.

Please send us corrections, updates, or comments. Vaccines and treatments are both valuable and complementary. All practical, effective, and safe means should be used. Elimination of COVID-19 is a race against viral evolution. No treatment, vaccine, or intervention is 100% available and effective for all current and future variants. Denying the efficacy of any method increases mortality, morbidity, collateral damage, and the risk of endemic status. We do not provide medical advice. Before taking any medication, consult a qualified physician who can provide personalized advice and details of risks and benefits based on your medical history and situation. WCH and FLCCC provide treatment protocols.