# Study Evaluating the Bioequivalence of Levonorgestrel/Ethinyl Estradiol Combinations in Cycling Women

> **NCT00447863** · PHASE1 · WITHDRAWN · sponsor: **Wyeth is now a wholly owned subsidiary of Pfizer**

## Conditions studied

- Contraception

## Interventions

- **DRUG:** Levonorgestrel/Ethinyl Estradiol

## Key facts

- **NCT ID:** NCT00447863
- **Lead sponsor:** Wyeth is now a wholly owned subsidiary of Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2007-08
- **Primary completion:** —
- **Final completion:** 2007-08
- **Target enrollment:** 0 (ACTUAL)
- **Last updated:** 2021-08-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00447863

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00447863, "Study Evaluating the Bioequivalence of Levonorgestrel/Ethinyl Estradiol Combinations in Cycling Women". Retrieved via AI Analytics 2026-08-03 from https://api.ai-analytics.org/clinical/NCT00447863. Licensed CC0.

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