A Trial of Pessary and Progesterone for Preterm Prevention in Twin Gestation With a Short Cervix
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.
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
Study identification
- NCT ID
- NCT02518594
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- The George Washington University Biostatistics Center
- Other
- Enrollment
- 1,311 participants
Conditions and interventions
Conditions
Interventions
- Vaginal progesterone Drug
- Placebo Drug
- Arabin Pessary Device
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 12, 2015
- Primary completion
- Dec 14, 2024
- Completion
- Feb 17, 2025
- Last update posted
- Jun 24, 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 24, 2026 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02518594 live on ClinicalTrials.gov.