deltatrials
Completed PHASE3 INTERVENTIONAL 2-arm NCT04992260

Efficacy, Immunogenicity and Safety of COVID-19 Vaccine , Inactivated in Children and Adolescents

A Multi-center, Randomized, Double-blind, Placebo-controlled Phase Ⅲ Clinical Trial to Evaluate the Efficacy, Immunogenicity and Safety of COVID-19 Vaccine(Vero Cell) ,Inactivated in Children and Adolescents Aged 6 Months to 17 Years

Sponsor: Sinovac Research and Development Co., Ltd.

Conditions COVID-19
Updated 10 times since 2021 Last updated: Oct 12, 2023 Started: Sep 10, 2021 Primary completion: May 31, 2023 Completion: May 31, 2023
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04992260, this PHASE3 trial focuses on COVID-19 and remains completed. Sponsored by Sinovac Research and Development Co., Ltd., it has been updated 10 times since 2021, reflecting substantial change activity. This study is part of the global effort to build evidence for infectious disease interventions.

Status Flow

~Sep 2021 – ~Oct 2021 · 30 days · monthly snapshotNot Yet Recruiting~Oct 2021 – ~Dec 2021 · 2 months · monthly snapshotRecruiting~Dec 2021 – ~Jan 2022 · 31 days · monthly snapshotRecruiting~Jan 2022 – ~Sep 2022 · 8 months · monthly snapshotRecruiting~Sep 2022 – ~Feb 2023 · 5 months · monthly snapshotRecruiting~Feb 2023 – ~Nov 2023 · 9 months · monthly snapshotActive Not Recruiting~Nov 2023 – ~Jul 2024 · 8 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 12 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. Nov 2023 — Jul 2024 [monthly]

    Completed PHASE3

    Status: Active Not RecruitingCompleted

  5. Feb 2023 — Nov 2023 [monthly]

    Active Not Recruiting PHASE3

    Status: RecruitingActive Not Recruiting

Show 5 earlier versions
  1. Sep 2022 — Feb 2023 [monthly]

    Recruiting PHASE3

  2. Jan 2022 — Sep 2022 [monthly]

    Recruiting PHASE3

  3. Dec 2021 — Jan 2022 [monthly]

    Recruiting PHASE3

  4. Oct 2021 — Dec 2021 [monthly]

    Recruiting PHASE3

    Status: Not Yet RecruitingRecruiting

  5. Sep 2021 — Oct 2021 [monthly]

    Not Yet Recruiting PHASE3

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Sinovac Research and Development Co., Ltd.
Data source: Sinovac Biotech Co., Ltd

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