Conv. Plasma
Nigella Sativa
Peg.. Lambda
Vitamin A
Vitamin C
Vitamin D

Home   COVID-19 treatment studies for Nitazoxanide  COVID-19 treatment studies for Nitazoxanide  C19 studies: Nitazoxanide  Nitazoxanide   Select treatmentSelect treatmentTreatmentsTreatments
Antiandrogens (meta) Lactoferrin (meta)
Aspirin (meta) Melatonin (meta)
Bamlaniv../e.. (meta) Metformin (meta)
Bebtelovimab (meta) Molnupiravir (meta)
Bromhexine (meta) N-acetylcys.. (meta)
Budesonide (meta) Nigella Sativa (meta)
Cannabidiol (meta) Nitazoxanide (meta)
Casirivimab/i.. (meta) Paxlovid (meta)
Colchicine (meta) Peg.. Lambda (meta)
Conv. Plasma (meta) Povidone-Iod.. (meta)
Curcumin (meta) Probiotics (meta)
Diet (meta) Proxalutamide (meta)
Ensitrelvir (meta) Quercetin (meta)
Ensovibep (meta) Remdesivir (meta)
Exercise (meta) Sleep (meta)
Famotidine (meta) Sotrovimab (meta)
Favipiravir (meta) Tixagev../c.. (meta)
Fluvoxamine (meta) Vitamin A (meta)
Hydroxychlor.. (meta) Vitamin C (meta)
Iota-carragee.. (meta) Vitamin D (meta)
Ivermectin (meta) Zinc (meta)

Other Treatments Global Adoption
Nitazoxanide COVID-19 studies. Recent:
Submit updates/corrections.
May 6
Early Medhat et al., Arab Journal of Gastroenterology, doi:10.1016/j.ajg.2022.04.005
viral+, ↓55.5%, p=0.02
Sofosbuvir/Ledipasvir in Combination or Nitazoxanide Alone are Safe and Efficient Treatments for COVID-19 Infection: A Randomized Controlled Trial for Repurposing antivirals
Details   RCT with 77 nitazoxanide, 70 sofosbuvir/ledipasvir, and 73 SOC patients in Egypt, showing faster viral clearance with nitazoxanide and with sofosbuvir/ledipasvir. There was no mortality or progression to severe COVID-19 or ICU admission. ..
Apr 13
Late Rocco et al., Frontiers in Medicine, doi:10.3389/fmed.2022.844728
death, ↑4.9%, p=0.94
Nitazoxanide in Patients Hospitalized With COVID-19 Pneumonia: A Multicentre, Randomized, Double-Blind, Placebo-Controlled Trial
Details   RCT late stage patients with COVID-19 pneumonia, 202 treated with nitazoxanide and 203 placebo patients, showing improved recovery, but no significant difference in mortality.
Feb 28
Early ANTICOV News (News)
progression, ↑187.7%, p=0.04
ANTICOV Trial Finds Nitazoxanide/Ciclesonide Drug Combination Does Not Reduce Hospitalisation Risk in Patients With Mild COVID-19
Details   RCT with 462 nitazoxanide/ciclesonide and 443 paracetamol patients, up to 7 days from onset, showing no significant difference in progression. Minimal details, with the primary mortality outcome and treatment delay not being reported. NCT..
Feb 9
Animal Miorin et al., bioRxiv, doi:10.1101/2022.02.08.479634 (Preprint)
animal study
The oral drug nitazoxanide restricts SARS-CoV-2 infection and attenuates disease pathogenesis in Syrian hamsters
Details   In Vitro study showing that nitazoxanide inhibits SARS-CoV-2 in H9, iAT2, Vero E6, Vero TMPRSS2, and Ace2-A549 cells. Syrian hamster study showing improvements in SARS-CoV-2 related weight loss, inflammation, viral load, and lung synctia ..
Feb 4
Late Fowotade et al., medRxiv, doi:10.1101/2022.02.03.22270152 (Preprint)
no recov., ↑11.4%, p=0.72
Efficacy and safety of nitazoxanide combined with ritonavir-boosted atazanavir for the treatment of mild to moderate COVID-19
Details   Small RCT in Nigeria with 31 nitazoxanide and atazanavir/ritonavir patients, and 26 control patients, showing no significant differences with treatment. 4 treatment group patients discontinued treatment due to the size of the tablets. Tim..
Nov 23
Late Calderón et al., PAMJ - Clinical Medicine, doi:10.11604/pamj-cm.2021.7.15.30981
death, ↓68.2%, p=0.38
Treatment with hydroxychloroquine vs nitazoxanide in patients with COVID-19: brief report
Details   Planned RCT of HCQ vs. HCQ+nitazoxanide which was aborted due to the retracted Surgisphere paper. Authors retrospectively analyze a small set of HCQ vs. nitazoxanide patients (which were protocol deviations in the planned RCT), showing re..
Sep 11
N/A Walker et al., Clinical Pharmacology & Therapeutics, doi:10.1002/cpt.2463 (preprint 9/11/2021) An open label, adaptive, phase 1 trial of high-dose oral nitazoxanide in healthy volunteers: an antiviral candidate for SARS-CoV-2
Details   Phase I trial of high dose nitazoxanide, 1500mg twice daily, with 14 participants. Treatment was safe and well tolerated. PBPK predictions were confirmed on day 1 but with underprediction at day 5. Median Cmin was above the in vitro targe..
Aug 10
News Calderón et al., News Report (News)
Mantiene Hospital Mónica Pretelini bajo índice de muertes Covid de mujeres embarazadas
Details   News report on the use of nitazoxanide for pregnant COVID-19 patients in a clinic in Mexico, reporting significant improvements in hospitalization and mortality compared to locations without treatment.
May 13
Late Enríquez López et al., Cureus, doi:10.7759/cureus.15002 Evolution of COVID-19 Pregnancies Treated With Nitazoxanide in a Third-Level Hospital
Details   Case study of 51 COVID-19 positive pregnant women in Mexico treated with nitazoxanide, showing much better survival compared to hospitals not using nitazoxanide.
Mar 31
Early Rossignol et al., eClinicalMedicine, doi:10.1016/j.eclinm.2022.101310 (preprint 3/31/2021)
death, ↑206.0%, p=0.49
A randomized double-blind placebo-controlled clinical trial of nitazoxanide for treatment of mild or moderate COVID-19
Details   RCT with 184 outpatients treated with an extended release formulation of nitazoxanide, and 195 controls, showing lower hospitalization and progression to severe disease with treatment. There was one COVID-19 related death in the treatment..
Mar 5
Early Silva et al., medRxiv, doi:10.1101/2021.03.03.21252509 (Preprint)
viral+, ↓26.5%, p=0.36
Efficacy of Nitazoxanide in reducing the viral load in COVID-19 patients. Randomized, placebo-controlled, single-blinded, parallel group, pilot study
Details   Small RCT with 23 nitazoxanide and 13 control patients showing significantly more patients achieved over 35% reduction in viral load from baseline. NCT04463264.
Feb 16
Early Elalfy et al., J. Med. Virol., doi:10.1002/jmv.26880
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.
Jan 22
Late Blum et al., EClinicalMedicine, doi:10.1016/j.eclinm.2021.100981 (preprint 1/22)
death, ↓66.7%, p=0.25
Nitazoxanide superiority to placebo to treat moderate COVID-19 – A Pilot prove of concept randomized double-blind clinical trial
Details   RCT with 25 nitazoxanide patients and 25 control patients, showing improved virological and clinical outcomes with treatment. Authors also perform an in vitro study in Vero E6 cells showing 90% inhibition with 0.5µM, with no cytotoxicity...
Nov 4
Early Cadegiani et al., New Microbes and New Infections, doi:10.1016/j.nmni.2021.100915 (preprint 11/4/2020)
death, ↓87.8%, p=0.08
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..
Oct 23
Early Rocco et al., European Respiratory Journal, doi:10.1183/13993003.03725-2020 (preprint 10/23/20)
ICU, ↑404.1%, p=0.24
Early use of nitazoxanide in mild Covid-19 disease: randomized, placebo-controlled trial (preprint 10/23)
Details   RCT 392 patients, median treatment delay 5 days, showing improved viral recovery at 5 days. Symptom recovery was no different at 5 days, and the treatment arm had two ICU admissions compared to zero for control. There were no serious adve..
Please send us corrections, updates, or comments. Vaccines and treatments are both valuable and complementary. All practical, effective, and safe means should be used. 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. FLCCC and WCH provide treatment protocols.
  or use drag and drop   
Thanks for your feedback! Please search before submitting papers and note that studies are listed under the date they were first available, which may be the date of an earlier preprint.