deltatrials
Unknown PHASE3 INTERVENTIONAL 2-arm NCT04530396

Clinical Trial of Efficacy, Safety, and Immunogenicity of Gam-COVID-Vac Vaccine Against COVID-19 (RESIST)

Randomized Double-blind Placebo-controlled Multi-center Clinical Trial in Parallel Assignment of Efficacy, Safety, and Immunogenicity of Gam-COVID-Vac Combined Vector Vaccine in SARS-СoV-2 Infection Prophylactic Treatment

Sponsor: CRO: Crocus Medical BV

Conditions Covid19 Prevention
Interventions Gam-COVID-Vac placebo
Updated 9 times since 2020 Last updated: Jan 20, 2021 Started: Sep 7, 2020 Primary completion: May 1, 2021 Completion: May 1, 2021
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE3 trial investigates Covid19 Prevention and is currently ongoing. CRO: Crocus Medical BV leads this study, which shows 9 recorded versions since 2020 — indicating limited longitudinal coverage. Longitudinal tracking of infectious disease trials helps identify durability of treatment effects.

Status Flow

~Sep 2020 – ~Oct 2020 · 30 days · monthly snapshotNot Yet Recruiting~Oct 2020 – ~Nov 2020 · 31 days · monthly snapshotRecruiting~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshotRecruiting~Jan 2021 – ~Feb 2021 · 31 days · monthly snapshotRecruiting~Feb 2021 – ~Oct 2022 · 20 months · monthly snapshotActive Not Recruiting~Oct 2022 – ~Jul 2024 · 21 months · monthly snapshotUnknown Status~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotUnknown~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotUnknown~Sep 2025 – present · 10 months · monthly snapshotUnknown

Change History

9 versions recorded

  1. Sep 2025 — Present [monthly]

    Unknown PHASE3

  2. Sep 2024 — Sep 2025 [monthly]

    Unknown PHASE3

  3. Jul 2024 — Sep 2024 [monthly]

    Unknown PHASE3

    Status: Unknown Status → Unknown

  4. Oct 2022 — Jul 2024 [monthly]

    Unknown Status PHASE3

    Status: Active Not Recruiting → Unknown Status

  5. Feb 2021 — Oct 2022 [monthly]

    Active Not Recruiting PHASE3

    Status: Recruiting → Active Not Recruiting

▶ Show 4 earlier versions

  1. Jan 2021 — Feb 2021 [monthly]

    Recruiting PHASE3

  2. Nov 2020 — Jan 2021 [monthly]

    Recruiting PHASE3

  3. Oct 2020 — Nov 2020 [monthly]

    Recruiting PHASE3

    Status: Not Yet Recruiting → Recruiting

  4. Sep 2020 — Oct 2020 [monthly]

    Not Yet Recruiting PHASE3

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • CRO: Crocus Medical BV
  • Gamaleya Research Institute of Epidemiology and Microbiology, Health Ministry of the Russian Federation
  • Government of the city of Moscow
Data source: Gamaleya Research Institute of Epidemiology and Microbiology, Health Ministry of the Russian Federation

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

Study Locations