# Efficacy and Safety of a Combined Oral Contraceptive of Estradiol Valerate and Dienogest in Healthy Female Subjects

> **NCT01638910** · PHASE3 · COMPLETED · sponsor: **Bayer** · enrollment: 955 (actual)

## Conditions studied

- Contraception

## Interventions

- **DRUG:** EV/DNG (Qlaira, BAY86-5027)

## Key facts

- **NCT ID:** NCT01638910
- **Lead sponsor:** Bayer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-06
- **Primary completion:** 2014-11
- **Final completion:** 2014-11
- **Target enrollment:** 955 (ACTUAL)
- **Last updated:** 2014-12-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01638910

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01638910, "Efficacy and Safety of a Combined Oral Contraceptive of Estradiol Valerate and Dienogest in Healthy Female Subjects". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT01638910. Licensed CC0.

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