Trial
NCT01941134
Changes in Oral Contraceptive Hormones After Gastric Bypass Surgery
Phase IVWITHDRAWNOPERATIONALConfidence: HIGH
Sponsor
Johns Hopkins University
Collaborators
Society of Family Planning
Condition
Bariatric Surgery Candidate
Intervention
ethinyl estradiol-levonorgestrel
Why stopped
Recruitment trouble
Provenance
Dataset: 2026-07-02 • Source: ClinicalTrials.gov API v2 • Last update: 2018-03-21