Drug-drug Interaction Study of CTP-543 and Oral Contraceptives in Healthy Female Subjects
Public ClinicalTrials.gov record NCT04309643. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 1, Open-label Study to Assess the Effect of CTP-543 on the Pharmacokinetics of Oral Contraceptives in Healthy Adult Female Subjects
Study identification
- NCT ID
- NCT04309643
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Concert Pharmaceuticals
- Industry
- Enrollment
- 21 participants
Conditions and interventions
Conditions
Interventions
- CTP-543 Drug
- Combined oral contraceptive containing Ethinyl estradiol (EE) and Levonorgestrel (LNG) Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 65 Years
- Sex
- Female
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 8, 2020
- Primary completion
- Jun 24, 2020
- Completion
- Jul 7, 2020
- Last update posted
- Jul 15, 2020
2020
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Celerion, Inc. | Tempe | Arizona | 85283 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04309643, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 15, 2020 · Synced Jul 24, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04309643 live on ClinicalTrials.gov.