Changes in Oral Contraceptive Hormones After Gastric Bypass Surgery
Public ClinicalTrials.gov record NCT01941134. 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
Impact of Gastric Bypass Surgery on the Pharmacokinetics of Oral Contraceptive Hormones
Study identification
- NCT ID
- NCT01941134
- Recruitment status
- Withdrawn
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- Johns Hopkins University
- Other
- Enrollment
- Not listed
Conditions and interventions
Conditions
Interventions
- ethinyl estradiol-levonorgestrel Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 40 Years
- Sex
- Female
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 31, 2013
- Primary completion
- Dec 5, 2017
- Completion
- Dec 5, 2017
- Last update posted
- Mar 20, 2018
2013 – 2017
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Johns Hopkins Bayview Medical Center | Baltimore | Maryland | 21224 | — |
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 NCT01941134, 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 Mar 20, 2018 · Synced May 11, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01941134 live on ClinicalTrials.gov.