Tests how bariatric surgery affects a contraceptive pill's absorption
Tests whether bariatric surgery changes how drospirenone-only pills are absorbed in women.
Plain-language title generated from the registry record
Registry title: Pharmacokinetics of Drospirenone Only Pills: A Pre- and Post-Bariatric Surgery Study
Key facts
- Where
- Bangkok, ThailandSee the site
- Phase
- Phase 1/2
Could this be for you?
Answer for yourself. This is not a decision: only the study team can say whether you can take part.
- Are you between 18 and 45 years old?
Source: NCT06345560, who can take part
Where in Thailand
- Chulalongkorn UniversityBangkok, ThailandTaking people
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Trial details
- Who runs it
- Chulalongkorn University
- Trial code
- NCT06345560
- Record updated
- 19 March 2026
- Original description
The purpose of this study is to investigate whether bariatric surgery affects Drospirenone only pills absorptionRead full original descriptionShow less
Pharmacokinetics of Drospirenone Only Pills in Obese Thai Women: A Pre- and Post-Bariatric Surgery Study
The purpose of this study is to investigate whether bariatric surgery affects Drospirenone only pills absorption
Inclusion: Thai women aged 18-45 years who are obese and had an appointment for Bariatric surgery at Chulalongkorn Hospital; Need contraception; Able to use non-hormonal contraception during the study; Giving consent.
Exclusion: Pregnancy or history of giving birth within 3 months; History of using DMPA within 12 months; History of using other types of hormonal birth control pills within 4 weeks; History of bilateral oophorectomy or hysterectomy; Breastfeeding within the 6 months; Suspected ovarian tumor or pathological ovarian cyst; Regular cigarette smoking; Contraindications to Drospirenone.