deltatrials
Completed PHASE4 INTERVENTIONAL 2-arm NCT02913495

Vaginal Versus Intramuscular Progesterone for the Prevention of Recurrent Preterm Birth (VIP)

Sponsor: Baystate Medical Center

Conditions Premature Birth
Interventions Intramuscular Progesterone (17 alpha hydroxprogesterone caproate) Vaginal Progesterone
Updated 12 times since 2017 Last updated: Feb 9, 2026 Started: Sep 30, 2016 Primary completion: Aug 31, 2021 Completion: Sep 30, 2021
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 Premature Birth and is currently completed. Baystate Medical Center leads this study, which shows 12 recorded versions since 2016 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshotRecruiting~Feb 2017 – ~May 2017 · 3 months · monthly snapshotRecruiting~May 2017 – ~Jun 2018 · 13 months · monthly snapshotRecruiting~Jun 2018 – ~Oct 2018 · 4 months · monthly snapshotRecruiting~Oct 2018 – ~Mar 2020 · 17 months · monthly snapshotRecruiting~Mar 2020 – ~Jan 2021 · 10 months · monthly snapshotRecruiting~Jan 2021 – ~Nov 2021 · 10 months · monthly snapshotRecruiting~Nov 2021 – ~Jul 2024 · 32 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – ~Feb 2026 · 5 months · monthly snapshotCompleted~Feb 2026 – present · 5 months · monthly snapshotCompleted

Change History

12 versions recorded

  1. Feb 2026 — Present [monthly]

    Completed PHASE4

  2. Sep 2025 — Feb 2026 [monthly]

    Completed PHASE4

  3. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE4

  4. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE4

  5. Nov 2021 — Jul 2024 [monthly]

    Completed PHASE4

    Status: Recruiting → Completed

▶ Show 7 earlier versions

  1. Jan 2021 — Nov 2021 [monthly]

    Recruiting PHASE4

  2. Mar 2020 — Jan 2021 [monthly]

    Recruiting PHASE4

  3. Oct 2018 — Mar 2020 [monthly]

    Recruiting PHASE4

  4. Jun 2018 — Oct 2018 [monthly]

    Recruiting PHASE4

  5. May 2017 — Jun 2018 [monthly]

    Recruiting PHASE4

  6. Feb 2017 — May 2017 [monthly]

    Recruiting PHASE4

  7. Jan 2017 — Feb 2017 [monthly]

    Recruiting PHASE4

    First recorded

Sep 2016

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Baystate Medical Center
  • George Washington University
  • Ohio State University
  • Thomas Jefferson University
  • Vriginia Commonwealth University
Data source: Thomas Jefferson University

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

Study Locations