# YAZ Post-marketing Surveillance in Japan

> **NCT01375998** · — · COMPLETED · sponsor: **Bayer** · enrollment: 3273 (actual)

## Conditions studied

- Dysmenorrhea

## Interventions

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

## Key facts

- **NCT ID:** NCT01375998
- **Lead sponsor:** Bayer
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2011-06-09
- **Primary completion:** 2017-12-05
- **Final completion:** 2018-03-08
- **Target enrollment:** 3273 (ACTUAL)
- **Last updated:** 2019-03-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01375998

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01375998, "YAZ Post-marketing Surveillance in Japan". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT01375998. Licensed CC0.

---

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