# Efficacy and Safety of Etonogestrel + 17β-Estradiol Vaginal Ring in Women at Risk for Pregnancy (MK-8342B-061)

> **NCT02524288** · PHASE3 · TERMINATED · sponsor: **Organon and Co** · enrollment: 1941 (actual)

## Conditions studied

- Contraception

## Interventions

- **DRUG:** ENG-E2 125 μg/300 μg vaginal ring

## Key facts

- **NCT ID:** NCT02524288
- **Lead sponsor:** Organon and Co
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2015-08-31
- **Primary completion:** 2016-09-16
- **Final completion:** 2016-09-16
- **Target enrollment:** 1941 (ACTUAL)
- **Why stopped:** This study was terminated by the Sponsor due to a business decision to discontinue product development for reasons unrelated to safety or efficacy outcomes.
- **Last updated:** 2024-05-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02524288

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02524288, "Efficacy and Safety of Etonogestrel + 17β-Estradiol Vaginal Ring in Women at Risk for Pregnancy (MK-8342B-061)". Retrieved via AI Analytics 2026-06-15 from https://api.ai-analytics.org/clinical/NCT02524288. Licensed CC0.

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