CI

At a glance

ClinicalIndex Comparison Record
Phase 4Completed· 210 enrolled
Drug / intervention
Vaginal Progesterone +1 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT02913495
NCT02913495Phase 4Completed

Vaginal Versus Intramuscular Progesterone for the Prevention of Recurrent Preterm Birth

Thomas Jefferson University·interventional·Posted Sep 23, 2016·Updated Feb 24, 2026

In Brief

A Phase 4 clinical trial evaluating Vaginal Progesterone and Intramuscular Progesterone (17 alpha hydroxprogesterone caproate) for Premature Birth. Completed, enrolled 210 participants across 3 sites.

Detailed Summary

The purpose of this study is to evaluate the two suggested therapies for prevention of recurrent preterm birth (PTB) in women with a prior spontaneous preterm birth, vaginal and intramuscular progesterone to determine whether vaginal progesterone is superior to intramuscular progesterone in the prevention of recurrent preterm birth.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsPremature Birth
CountriesUnited States

Timeline

Phase 4CompletedFinished
2017201820192020202120222023202420252026
First PostedSep 23, 2016
Enrollment StartSep 1, 2016
Primary CompletionAug 1, 2021
Study CompletionSep 1, 2021
TodayJul 2, 2026
Enrollment to primary: 4.9 yearsPosted 9.8 years ago

Interventions

Vaginal Progesteronedrug

Intramuscular Progesterone (17 alpha hydroxprogesterone caproate)drug