# Trial of Progesterone in Twins and Triplets to Prevent Preterm Birth (STTARS)

> **NCT00099164** · PHASE3 · COMPLETED · sponsor: **The George Washington University Biostatistics Center** · enrollment: 795 (actual)

## Conditions studied

- Preterm Birth
- Pregnancy
- Multifetal

## Interventions

- **DRUG:** 17 alpha-hydroxyprogesterone caproate (17P)

## Key facts

- **NCT ID:** NCT00099164
- **Lead sponsor:** The George Washington University Biostatistics Center
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-04
- **Primary completion:** 2006-08
- **Final completion:** 2007-09
- **Target enrollment:** 795 (ACTUAL)
- **Last updated:** 2019-02-21

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00099164

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00099164, "Trial of Progesterone in Twins and Triplets to Prevent Preterm Birth (STTARS)". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT00099164. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*