# Verify the Safety and Effectiveness of the Cerclage Pessary in Prevention and Treatment of High-risk Preterm Pregnancy

> **NCT03637062** · NA · NOT_YET_RECRUITING · sponsor: **QH Medical Technology Ltd.** · enrollment: 300 (estimated)

## Conditions studied

- High Risk Pregnancy

## Interventions

- **DRUG:** Progesterone
- **DEVICE:** pessary

## Key facts

- **NCT ID:** NCT03637062
- **Lead sponsor:** QH Medical Technology Ltd.
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2024-12-01
- **Primary completion:** 2026-12-01
- **Final completion:** 2026-12-01
- **Target enrollment:** 300 (ESTIMATED)
- **Last updated:** 2023-11-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03637062

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03637062, "Verify the Safety and Effectiveness of the Cerclage Pessary in Prevention and Treatment of High-risk Preterm Pregnancy". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03637062. Licensed CC0.

---

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