# A Study to Determine the Effects of PF-04965842 on the Pharmacokinetics of Oral Contraceptive Steroids in Healthy Female Subjects

> **NCT03662516** · PHASE1 · COMPLETED · sponsor: **Pfizer** · enrollment: 17 (actual)

## Conditions studied

- Healthy Females

## Interventions

- **DRUG:** PF-04965842
- **DRUG:** Ethinyl estradiol (EE) and levonorgestrel (LN)

## Key facts

- **NCT ID:** NCT03662516
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-09-26
- **Primary completion:** 2019-01-19
- **Final completion:** 2019-01-19
- **Target enrollment:** 17 (ACTUAL)
- **Last updated:** 2020-03-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03662516

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03662516, "A Study to Determine the Effects of PF-04965842 on the Pharmacokinetics of Oral Contraceptive Steroids in Healthy Female Subjects". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT03662516. Licensed CC0.

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