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Completed Phase 3 Interventional Results available

A Trial of Pessary and Progesterone for Preterm Prevention in Twin Gestation With a Short Cervix

ClinicalTrials.gov ID: NCT02518594

Public ClinicalTrials.gov record NCT02518594. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 4:07 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized Trial of Pessary and Progesterone for Preterm Prevention in Twin Gestation With a Short Cervix

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This protocol outlines a randomized trial of 630 women evaluating the use of micronized vaginal progesterone or pessary versus control (placebo) to prevent early preterm birth in women carrying twins and with a cervical length of less than 30 millimeters.

Study identification

NCT ID
NCT02518594
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Enrollment
1,311 participants

Conditions and interventions

Interventions

Drug · Device

Eligibility (public fields only)

Age range
Not listed
Sex
Female
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 13, 2015 (Actual)
Primary completion
Dec 15, 2024 (Actual)
Completion
Feb 18, 2025 (Actual)
Last update posted
Jun 25, 2026

2015 – 2025

United States locations

U.S. sites
16
U.S. states
11
U.S. cities
15
Facility City State ZIP Site status
University of Alabama - Birmingham Birmingham Alabama 35294 —
The Regents of the University of California, San Francisco San Francisco California — —
University of Colorado Denver Colorado 80045 —
Northwestern University-Prentice Hospital Chicago Illinois 60611 —
Columbia University New York New York 10032 —
University of North Carolina - Chapel Hill Chapel Hill North Carolina 27599 —
Duke University Durham North Carolina 27710 —
Case Western Reserve University Cleveland Ohio 44109 —
Ohio State University Columbus Ohio 43210 —
Hospital of the University of Pennsylvania Philadelphia Pennsylvania 19104 —
Magee Women's Hospital Pittsburgh Pennsylvania 15213 —
Brown University Providence Rhode Island 02905 —
University of Texas - Galveston Galveston Texas 77555 —
University of Texas - Houston Houston Texas 77030 —
Baylor College of Medicine Houston Texas — —
University of Utah Medical Center Salt Lake City Utah 84132 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02518594, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 25, 2026 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT02518594 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →