# PARIS or PAtch RIng Study: A Trial to Evaluate NuvaRing Versus OrthoEvra

> **NCT00269620** · PHASE4 · COMPLETED · sponsor: **University of Pittsburgh** · enrollment: 500 (actual)

## Conditions studied

- Contraception

## Interventions

- **DRUG:** ethinyl estradiol/etonogestrel vaginal ring
- **DRUG:** ethinyl estradiol/norelgestromin transdermal contraceptive

## Key facts

- **NCT ID:** NCT00269620
- **Lead sponsor:** University of Pittsburgh
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-06
- **Primary completion:** 2006-12
- **Final completion:** 2006-12
- **Target enrollment:** 500 (ACTUAL)
- **Last updated:** 2008-10-21

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00269620

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00269620, "PARIS or PAtch RIng Study: A Trial to Evaluate NuvaRing Versus OrthoEvra". Retrieved via AI Analytics 2026-07-28 from https://api.ai-analytics.org/clinical/NCT00269620. Licensed CC0.

---

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