# Study of Safety and Efficacy of an Oral Contraceptive

> **NCT00477633** · PHASE3 · COMPLETED · sponsor: **Warner Chilcott** · enrollment: 1700 (actual)

## Conditions studied

- Contraception

## Interventions

- **DRUG:** Norethindrone/ethinyl estradiol

## Key facts

- **NCT ID:** NCT00477633
- **Lead sponsor:** Warner Chilcott
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-06
- **Primary completion:** 2009-01
- **Final completion:** 2009-02
- **Target enrollment:** 1700 (ACTUAL)
- **Last updated:** 2013-04-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00477633

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00477633, "Study of Safety and Efficacy of an Oral Contraceptive". Retrieved via AI Analytics 2026-07-02 from https://api.ai-analytics.org/clinical/NCT00477633. Licensed CC0.

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