| Withdrawn | Trial to Evaluate Nitazoxanide for Treatment of Mild or Moderate COVID-19 in Subjects at High Risk of Severe I COVID-19 | Phase 3 | 2024-08-01 |
| Withdrawn | Trial to Evaluate Nitazoxanide for Treatment of Mild COVID-19 in Subjects Not at High Risk of Severe Illness COVID-19 | Phase 3 | 2024-08-01 |
| Terminated | Trial to Evaluate Efficacy and Safety of Nitazoxanide in the Treatment of Colds Due to Enterovirus/Rhinovirus Enterovirus, Rhinovirus | Phase 3 | 2020-08-19 |
| Completed | Trial to Evaluate Efficacy and Safety of Nitazoxanide in the Treatment of Mild or Moderate COVID-19 COVID-19 | Phase 3 | 2020-08-13 |
| Completed | Trial to Evaluate the Efficacy and Safety of Nitazoxanide (NTZ) for Pre- and Post Exposure Prophylaxis of COVI COVID-19, Viral Respiratory Illnesses | Phase 3 | 2020-05-13 |
| Terminated | Trial to Evaluate the Efficacy and Safety of Nitazoxanide (NTZ) for Post-Exposure Prophylaxis of COVID-19 and COVID-19, Viral Respiratory Illnesses | Phase 3 | 2020-05-12 |
| Completed | Study of Nitazoxanide Compared to Placebo in Subjects With HBeAG-Negative Chronic Hepatitis B Chronic Hepatitis B | Phase 2 | 2019-10-22 |
| Completed | Efficacy and Safety of Nitazoxanide in the Treatment of Colds Due to Enterovirus/Rhinovirus Infection Enterovirus, Rhinovirus | Phase 3 | 2018-09-11 |
| Completed | A Phase III, Randomized, Double-Blind, Placebo Controlled Trial to Evaluate the Efficacy and Safety of Nitazox Influenza | Phase 3 | 2018-01-17 |
| Completed | Trial to Evaluate the Efficacy and Safety of Nitazoxanide in the Treatment of Acute Uncomplicated Influenza Influenza | Phase 3 | 2015-12-01 |
| Completed | Safety and Efficacy Study of Nitazoxanide in the Treatment of Acute Uncomplicated Influenza Influenza | Phase 3 | 2013-03-01 |
| Completed | Safety and Efficacy Study of Nitazoxanide in the Treatment of Acute Uncomplicated Influenza Influenza | Phase 2 / Phase 3 | 2010-12-01 |
| Terminated | Study of Nitazoxanide in Adults With Acute Uncomplicated Influenza Influenza | Phase 2 | 2010-01-01 |
| Completed | Study of Nitazoxanide, Peginterferon Alfa-2a and Ribavirin in Treatment-Naive Hepatitis C Patients Chronic Hepatitis C | Phase 2 | 2008-03-01 |
| Completed | Study of Nitazoxanide, Peginterferon Alfa-2a and Ribavirin for the Treatment of Hepatitis C Chronic Hepatitis C | Phase 2 | 2007-07-01 |
| Terminated | Study of Nitazoxanide in the Treatment of Clostridium Difficile-associated Disease Clostridium Infections | Phase 3 | 2006-12-01 |
| Completed | 4-Week Lead-In With Nitazoxanide Followed by 36 Weeks Nitazoxanide and Peginterferon Alfa-2a in Chronic Hepati Chronic Hepatitis C | Phase 2 | 2006-08-01 |
| Completed | Study of Nitazoxanide, Peginterferon, and Ribavirin Combination Therapies in the Treatment of Chronic Hepatiti Chronic Hepatitis C | Phase 2 / Phase 3 | 2006-06-01 |
| Completed | Efficacy Study of Nitazoxanide Suspension in the Treatment of Rotavirus Disease in Children Rotavirus Infection, Viral Gastroenteritis Due to Rotavirus | Phase 2 | 2005-12-01 |
| Completed | Study of Nitazoxanide Combined With Peginterferon Compared to Peginterferon Monotherapy in the Treatment of He Chronic Hepatitis C | Phase 2 | 2005-12-01 |
| Terminated | Study of Nitazoxanide Tablets in the Treatment of Mild to Moderate Active Crohn's Disease Crohn's Disease | Phase 2 | 2005-08-01 |
| Completed | Nitazoxanide for the Treatment of Prolonged Diarrhea in Children Diarrhea | Phase 3 | 2005-03-01 |
| Completed | Study of Nitazoxanide in the Treatment of Chronic Hepatitis C Chronic Hepatitis C | Phase 2 | 2005-02-01 |
| Completed | Study of Nitazoxanide Suspension in the Treatment of Diarrhea Caused by Enteric Viruses in Children Rotavirus Infection, Adenoviridae Infection, Norovirus Infection | Phase 2 / Phase 3 | 2005-02-01 |
| Completed | Study of Nitazoxanide in the Treatment of Amebiasis in Children Amebiasis | Phase 3 | 2004-02-01 |
| Completed | Study of Nitazoxanide in the Treatment of Amebiasis in Adults and Adolescents Amebiasis | Phase 3 | 2004-02-01 |
| Completed | Study of Nitazoxanide in the Treatment of Clostridium Difficile Colitis Clostridium Difficile | Phase 2 | 2004-01-01 |
| Terminated | Safety and Effectiveness of Nitazoxanide for the Treatment of Cryptosporidiosis in AIDS Patients Cryptosporidiosis, HIV Infections | Phase 3 | 2000-02-01 |
| Unknown | A Study to Evaluate the Use of Nitazoxanide to Treat Cryptosporidiosis Cryptosporidiosis, HIV Infections | N/A | — |