deltatrials
Completed PHASE4 INTERVENTIONAL 1-arm NCT02521974

A Study to Evaluate the Safety and Immunogenicity of Oral Polio Vaccine Type 2 in Infants and Children (M2-ABMG)

A Phase 4 Study to Evaluate the Safety and Immunogenicity of Monovalent Oral Polio Vaccine Type 2 in Healthy Children Aged 1 to 5 Years and in bOPV-IPV Vaccinated Healthy Infants

Sponsor: Bill and Melinda Gates Foundation

Updated 9 times since 2017 Last updated: Aug 1, 2020 Started: Oct 31, 2015 Primary completion: Jul 31, 2016 Completion: Sep 29, 2016
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE4 trial investigates Adverse Event Following Immunisation and is currently completed. Bill and Melinda Gates Foundation leads this study, which shows 9 recorded versions since 2015 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2017 – ~Aug 2017 · 7 months · monthly snapshotNot Yet Recruiting~Aug 2017 – ~Jun 2018 · 10 months · monthly snapshotCompleted~Jun 2018 – ~Sep 2020 · 27 months · monthly snapshotCompleted~Sep 2020 – ~Jan 2021 · 4 months · monthly snapshotCompleted~Jan 2021 – ~Dec 2022 · 23 months · monthly snapshotCompleted~Dec 2022 – ~Jan 2023 · 31 days · monthly snapshotCompleted~Jan 2023 – ~Jul 2024 · 18 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 24 months · monthly snapshotCompleted

Change History

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

    Completed PHASE4

  2. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE4

  3. Jan 2023 — Jul 2024 [monthly]

    Completed PHASE4

  4. Dec 2022 — Jan 2023 [monthly]

    Completed PHASE4

  5. Jan 2021 — Dec 2022 [monthly]

    Completed PHASE4

Show 4 earlier versions
  1. Sep 2020 — Jan 2021 [monthly]

    Completed PHASE4

  2. Jun 2018 — Sep 2020 [monthly]

    Completed PHASE4

  3. Aug 2017 — Jun 2018 [monthly]

    Completed PHASE4

    Status: Not Yet RecruitingCompleted

  4. Jan 2017 — Aug 2017 [monthly]

    Not Yet Recruiting PHASE4

    First recorded

Oct 2015

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Bill and Melinda Gates Foundation
  • Fidec Corporation
Data source: Fidec Corporation

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

Study Locations

No location information available.