deltatrials
Completed PHASE2 INTERVENTIONAL 3-arm NCT04709835

Study to Evaluate the Effects of AT-527 in Non-Hospitalized Adult Patients With Mild or Moderate COVID-19

A Phase II Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Antiviral Activity, Safety, Pharmacokinetics, and Efficacy of RO7496998 (AT-527) in Non-Hospitalized Adult Patients With Mild or Moderate COVID-19

Sponsor: Atea Pharmaceuticals, Inc.

Conditions COVID-19
Interventions AT-527 Placebo
Updated 11 times since 2021 Last updated: Oct 24, 2022 Started: Feb 3, 2021 Primary completion: Sep 17, 2021 Completion: Oct 13, 2021
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE2 trial investigates COVID-19 and is currently completed. Atea Pharmaceuticals, Inc. leads this study, which shows 11 recorded versions since 2021 — indicating substantial longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.

Status Flow

~Feb 2021 – ~Apr 2021 · 59 days · monthly snapshotNot Yet Recruiting~Apr 2021 – ~May 2021 · 30 days · monthly snapshotRecruiting~May 2021 – ~Jun 2021 · 31 days · monthly snapshotRecruiting~Jun 2021 – ~Sep 2021 · 3 months · monthly snapshotRecruiting~Sep 2021 – ~Oct 2021 · 30 days · monthly snapshotRecruiting~Oct 2021 – ~Dec 2021 · 2 months · monthly snapshotRecruiting~Dec 2021 – ~Nov 2022 · 11 months · monthly snapshotCompleted~Nov 2022 – ~Jul 2024 · 20 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 11 months · monthly snapshotCompleted

Change History

11 versions recorded
  1. Sep 2025 — Present [monthly]

    Completed PHASE2

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE2

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE2

  4. Nov 2022 — Jul 2024 [monthly]

    Completed PHASE2

  5. Dec 2021 — Nov 2022 [monthly]

    Completed PHASE2

    Status: RecruitingCompleted

Show 6 earlier versions
  1. Oct 2021 — Dec 2021 [monthly]

    Recruiting PHASE2

  2. Sep 2021 — Oct 2021 [monthly]

    Recruiting PHASE2

  3. Jun 2021 — Sep 2021 [monthly]

    Recruiting PHASE2

  4. May 2021 — Jun 2021 [monthly]

    Recruiting PHASE2

  5. Apr 2021 — May 2021 [monthly]

    Recruiting PHASE2

    Status: Not Yet RecruitingRecruiting

  6. Feb 2021 — Apr 2021 [monthly]

    Not Yet Recruiting PHASE2

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Atea Pharmaceuticals, Inc.
  • Hoffmann-La Roche
Data source: Hoffmann-La Roche

For direct contact, visit the study record on ClinicalTrials.gov .