# Regulatory Post Marketing Surveillance Study on YAZ

> **NCT00998257** · — · COMPLETED · sponsor: **Bayer** · enrollment: 770 (actual)

## Conditions studied

- Contraception
- Premenstrual Syndrome
- Acne

## Interventions

- **DRUG:** EE20/DRSP (YAZ, BAY86-5300)

## Key facts

- **NCT ID:** NCT00998257
- **Lead sponsor:** Bayer
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2009-07
- **Primary completion:** 2011-11
- **Final completion:** 2011-11
- **Target enrollment:** 770 (ACTUAL)
- **Last updated:** 2015-01-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00998257

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00998257, "Regulatory Post Marketing Surveillance Study on YAZ". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00998257. Licensed CC0.

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