deltatrials
Recruiting OBSERVATIONAL NCT04367857

ARMOR Study: COVID-19 Seroprevalence Among Healthcare Workers

SARS-CoV-2 Seroprevalence Among Healthcare Workers: ARMOR Study Demonstration Project

Sponsor: Columbia University

Updated 10 times since 2020 Last updated: Apr 2, 2025 Started: Apr 18, 2020 Primary completion: Mar 31, 2026 Completion: Mar 31, 2026
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A observational or N/A phase clinical study on Coronavirus and Coronavirus Infection, this trial is actively recruiting participants. The trial is conducted by Columbia University and has accumulated 10 data snapshots since 2020. Infectious disease trials contribute critical data for public health response and treatment development.

Status Flow

~May 2020 – ~Jan 2021 · 8 months · monthly snapshotRecruiting~Jan 2021 – ~Sep 2021 · 8 months · monthly snapshotRecruiting~Sep 2021 – ~Jan 2022 · 4 months · monthly snapshotRecruiting~Jan 2022 – ~May 2022 · 4 months · monthly snapshotRecruiting~May 2022 – ~Apr 2023 · 11 months · monthly snapshotRecruiting~Apr 2023 – ~Jun 2024 · 14 months · monthly snapshotRecruiting~Jun 2024 – ~Jul 2024 · 30 days · monthly snapshotRecruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotRecruiting~Sep 2024 – ~May 2025 · 8 months · monthly snapshotRecruiting~May 2025 – present · 15 months · monthly snapshotRecruiting

Change History

10 versions recorded
  1. May 2025 — Present [monthly]

    Recruiting

  2. Sep 2024 — May 2025 [monthly]

    Recruiting

  3. Jul 2024 — Sep 2024 [monthly]

    Recruiting

  4. Jun 2024 — Jul 2024 [monthly]

    Recruiting

  5. Apr 2023 — Jun 2024 [monthly]

    Recruiting

Show 5 earlier versions
  1. May 2022 — Apr 2023 [monthly]

    Recruiting

  2. Jan 2022 — May 2022 [monthly]

    Recruiting

  3. Sep 2021 — Jan 2022 [monthly]

    Recruiting

  4. Jan 2021 — Sep 2021 [monthly]

    Recruiting

  5. May 2020 — Jan 2021 [monthly]

    Recruiting

    First recorded

Apr 2020

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Columbia University
Data source: Columbia University

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

Study Locations