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Terminated Phase 2 Interventional Results available

Safety and Efficacy of AT-527 in Subjects With Moderate Coronavirus Disease (COVID-19) in a Hospital Setting

ClinicalTrials.gov ID: NCT04396106

Public ClinicalTrials.gov record NCT04396106. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 4:49 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2 Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety and Efficacy of AT-527 in Subjects With Moderate COVID-19

Study identification

NCT ID
NCT04396106
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Atea Pharmaceuticals, Inc.
Industry
Enrollment
83 participants

Conditions and interventions

Conditions

Interventions

  • AT-527 Drug
  • Placebo Other

Drug · Other

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
May 25, 2020
Primary completion
Jan 9, 2022
Completion
Feb 27, 2022
Last update posted
Mar 8, 2023

2020 – 2022

United States locations

U.S. sites
15
U.S. states
11
U.S. cities
14
Facility City State ZIP Site status
Atea Study Site Scottsdale Arizona 85258
Atea Study Site Davis California 95817
Atea Study Site Los Angeles California 90017
Atea Study Site Washington D.C. District of Columbia 20037
Atea Study Site Orlando Florida 32804
Atea Study Site Atlanta Georgia 30303
Atea Study Site Chicago Illinois 60611
Atea Study Site Chicago Illinois 60612
Atea Study Site Boston Massachusetts 02115
Atea Study Site Butte Montana 59701
Atea Study Site Charlotte North Carolina 28204
Atea Study Site Cincinnati Ohio 45219
Atea Study Site Columbus Ohio 43203
Atea Study Site Charleston South Carolina 29425
Atea Study Site Columbia South Carolina 29203

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 22 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04396106, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 8, 2023 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04396106 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →