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

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-504540-33-00
Acronym
AT-03A-017
Enrollment
354
Registered
2023-07-18
Start date
2023-03-06
Completion date
2024-05-06
Last updated
2024-04-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

COVID-19

Brief summary

The primary efficacy endpoint is the proportion of subjects in the supportive-care-only population who are hospitalized for any cause or died due to any cause through Day 29

Detailed description

Proportion of subjects with COVID-19-related hospitalization or who died due to any cause through Day 29, Proportion of subjects who died due to any cause through Day 29 and Day 60, Proportion of subjects with COVID-19-related complications (e.g., death, hospitalization, radiologically confirmed pneumonia, acute respiratory failure, sepsis, coagulopathy, pericarditis/myocarditis, cardiac failure) through Day 29, Proportion of subjects with COVID-19-related medically attended visits (hospitalization, emergency room (ER) visit, urgent care visit, physician's office visit, or telemedicine visit) or who died due to any cause through Day 29 and Day 60, Proportion of subjects with COVID-19 symptom relapse through Day 29, Proportion of subjects with viral load rebound through Day 29, The incidence and severity of adverse events (AEs) and serious adverse events (SAEs)

Interventions

DRUGPlacebo to match Bemnifosbuvir Hemisulfate

Sponsors

Atea Pharmaceuticals Inc., Atea Pharmaceuticals Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
0 Years to No maximum

Design outcomes

Primary

MeasureTime frame
The primary efficacy endpoint is the proportion of subjects in the supportive-care-only population who are hospitalized for any cause or died due to any cause through Day 29

Secondary

MeasureTime frame
Proportion of subjects with COVID-19-related hospitalization or who died due to any cause through Day 29, Proportion of subjects who died due to any cause through Day 29 and Day 60, Proportion of subjects with COVID-19-related complications (e.g., death, hospitalization, radiologically confirmed pneumonia, acute respiratory failure, sepsis, coagulopathy, pericarditis/myocarditis, cardiac failure) through Day 29, Proportion of subjects with COVID-19-related medically attended visits (hospitalization, emergency room (ER) visit, urgent care visit, physician's office visit, or telemedicine visit) or who died due to any cause through Day 29 and Day 60, Proportion of subjects with COVID-19 symptom relapse through Day 29, Proportion of subjects with viral load rebound through Day 29, The incidence and severity of adverse events (AEs) and serious adverse events (SAEs)

Countries

Germany, Latvia, Netherlands, Romania, Spain, Sweden

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026