# Study of the Safety and Contraceptive Efficacy of C31G Compared to Conceptrol®

> **NCT00274261** · PHASE3 · COMPLETED · sponsor: **Premier Research** · enrollment: 1565 (actual)

## Conditions studied

- Pregnancy

## Interventions

- **DRUG:** C31G
- **DRUG:** nonoxynol-9 (N-9)

## Key facts

- **NCT ID:** NCT00274261
- **Lead sponsor:** Premier Research
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-06
- **Primary completion:** 2008-07
- **Final completion:** 2008-09
- **Target enrollment:** 1565 (ACTUAL)
- **Last updated:** 2018-05-01

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00274261

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00274261, "Study of the Safety and Contraceptive Efficacy of C31G Compared to Conceptrol®". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00274261. Licensed CC0.

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