deltatrials
Completed PHASE3 INTERVENTIONAL 2-arm NCT04942405

Efficacy, Immunogenicity, and Safety of the Inactivated COVID-19 Vaccine (TURKOVAC) Versus the CoronaVac Vaccine

Efficacy, Immunogenicity, and Safety of the Two-Dose Inactivated COVID-19 Vaccine (TURKOVAC) Versus the Two-Dose CoronaVac (Sinovac) Vaccine in Healthy Subjects: A Randomized, Observer-Blinded, Phase III Clinical Trial

Sponsor: Health Institutes of Turkey

Conditions Covid19
Updated 10 times since 2021 Last updated: Feb 28, 2024 Started: Jun 21, 2021 Primary completion: Mar 8, 2023 Completion: Feb 1, 2024
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE3 clinical study on Covid19, this trial is completed. The trial is conducted by Health Institutes of Turkey and has accumulated 10 data snapshots since 2021. Infectious disease trials contribute critical data for public health response and treatment development.

Status Flow

~Sep 2021 – ~Nov 2021 · 2 months · monthly snapshot~Nov 2021 – ~Mar 2022 · 4 months · monthly snapshot~Mar 2022 – ~Sep 2022 · 6 months · monthly snapshotActive Not Recruiting~Sep 2022 – ~Mar 2023 · 6 months · monthly snapshotActive Not Recruiting~Mar 2023 – ~Oct 2023 · 7 months · monthly snapshotActive Not Recruiting~Oct 2023 – ~Mar 2024 · 5 months · monthly snapshotCompleted~Mar 2024 – ~Jul 2024 · 4 months · monthly snapshot~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 10 months · monthly snapshotCompleted

Change History

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

    Completed PHASE3

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE3

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE3

  4. Mar 2024 — Jul 2024 [monthly]

    Completed PHASE3

  5. Oct 2023 — Mar 2024 [monthly]

    Completed PHASE3

    Status: Active Not RecruitingCompleted

Show 5 earlier versions
  1. Mar 2023 — Oct 2023 [monthly]

    Active Not Recruiting PHASE3

  2. Sep 2022 — Mar 2023 [monthly]

    Active Not Recruiting PHASE3

  3. Mar 2022 — Sep 2022 [monthly]

    Active Not Recruiting PHASE3

    Status: RecruitingActive Not Recruiting

  4. Nov 2021 — Mar 2022 [monthly]

    Recruiting PHASE3

  5. Sep 2021 — Nov 2021 [monthly]

    Recruiting PHASE3

    First recorded

Jun 2021

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Health Institutes of Turkey
Data source: Health Institutes of Turkey

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