CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 2,285 enrolled
Drug / intervention
Bemnifosbuvir (BEM) +1 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05629962
NCT05629962Phase 3Completed

A Phase 3 Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Bemnifosbuvir in High-Risk Outpatients With COVID-19

Atea Pharmaceuticals, Inc.·interventional·Posted Nov 29, 2022·Updated Jun 13, 2025

In Brief

A Phase 3 clinical trial evaluating Bemnifosbuvir (BEM) and Placebo for Severe Acute Respiratory Syndrome Coronavirus 2 (SARS CoV 2 Infection) and COVID-19. Completed, enrolled 2,285 participants across 263 sites in 19 countries.

Detailed Summary

The purpose of the study is to evaluate whether bemnifosbuvir (BEM) is effective and safe in adults with COVID-19 who do not need to be in the hospital but who are at high risk for progression to severe disease. Eligible subjects will be randomly assigned (by chance) to receive BEM or matching placebo orally for 5 days. Co-administration of locally available standard of care (SOC) is allowed. The total duration of the study is 60 days.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesArgentina, Brazil, Canada, Germany, India, Japan, Latvia, Mexico, Netherlands, Pakistan, Philippines, Romania, South Africa, Spain, Sweden, Tunisia, Turkey (Türkiye), United Kingdom, United States
Collaborators--

Timeline

Phase 3CompletedFinished
2023202420252026
First PostedNov 29, 2022
Enrollment StartNov 25, 2022
Primary CompletionApr 25, 2024
Study CompletionMay 30, 2024
TodayJul 2, 2026
Enrollment to primary: 1.4 yearsPosted 3.6 years ago

Interventions

Bemnifosbuvir (BEM)drug

BEM tablets administered orally every 12 hours (twice a day) for a total of 5 days

Placebodrug

Placebo tablets administered orally every 12 hours (twice a day) for a total of 5 days