deltatrials
Completed OBSERVATIONAL NCT02643446

Serological Survey on Monitoring the Positive Rate After Vaccination of Inactivated Polio Vaccine (IPV)

Serological Survey on Monitoring the Population Immunity and Positive Rate After Vaccination of Inactivated Poliovirus Vaccine

Sponsor: Centers for Disease Control and Prevention, China

Conditions Poliomyelitis
Interventions IPV OPV
Updated 12 times since 2017 Last updated: Jul 31, 2017 Started: Aug 31, 2015 Primary completion: Mar 31, 2017 Completion: Jul 31, 2017
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT02643446, this observational or N/A phase trial focuses on Poliomyelitis and remains completed. Sponsored by Centers for Disease Control and Prevention, China, it has been updated 12 times since 2015, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshotEnrolling By Invitation~Feb 2017 – ~May 2017 · 3 months · monthly snapshotEnrolling By Invitation~May 2017 – ~Aug 2017 · 3 months · monthly snapshotEnrolling By Invitation~Aug 2017 – ~Apr 2018 · 8 months · monthly snapshotCompleted~Apr 2018 – ~May 2018 · 30 days · monthly snapshotCompleted~May 2018 – ~Jun 2018 · 31 days · monthly snapshotCompleted~Jun 2018 – ~Nov 2020 · 29 months · monthly snapshotCompleted~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshotCompleted~Jan 2021 – ~Dec 2021 · 11 months · monthly snapshotCompleted~Dec 2021 – ~Jul 2024 · 31 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 22 months · monthly snapshotCompleted

Change History

12 versions recorded
  1. Sep 2024 — Present [monthly]

    Completed

  2. Jul 2024 — Sep 2024 [monthly]

    Completed

  3. Dec 2021 — Jul 2024 [monthly]

    Completed

  4. Jan 2021 — Dec 2021 [monthly]

    Completed

  5. Nov 2020 — Jan 2021 [monthly]

    Completed

Show 7 earlier versions
  1. Jun 2018 — Nov 2020 [monthly]

    Completed

  2. May 2018 — Jun 2018 [monthly]

    Completed

  3. Apr 2018 — May 2018 [monthly]

    Completed

    Phase: NANone

  4. Aug 2017 — Apr 2018 [monthly]

    Completed NA

    Status: Enrolling By InvitationCompleted

  5. May 2017 — Aug 2017 [monthly]

    Enrolling By Invitation NA

  6. Feb 2017 — May 2017 [monthly]

    Enrolling By Invitation NA

    Phase: PHASE4NA

  7. Jan 2017 — Feb 2017 [monthly]

    Enrolling By Invitation PHASE4

    First recorded

Aug 2015

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Centers for Disease Control and Prevention, China
  • Guangdong Center for Disease Prevention and Control
  • Hubei Provincial Center for Disease Control and Prevention
  • Jilin Center for Disease Control and Prevention
  • Ningxia Center for Disease Control and Prevention
  • Tianjin Center for Disease Control and Prevention
  • World Health Organization
Data source: Centers for Disease Control and Prevention, China

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