Effects of Drospirenone on Cervical Mucus in Women Undergoing Bariatric Surgery

Drospirenone Only Pills and Cervical Mucus Changes in Obese Thai Women: A Pre- and Post-Bariatric Surgery Study

Not applicable Interventional Chulalongkorn University · NCT06345586

This study is testing how a daily pill called Drospirenone affects cervical mucus in Thai women aged 18-45 who are obese and preparing for weight loss surgery.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment16 (estimated)
Ages18 Years to 45 Years
SexFemale
SponsorChulalongkorn University Academic / other
Locations1 site (Bangkok)
Trial IDNCT06345586 on ClinicalTrials.gov

What this trial studies

This study investigates how Drospirenone-only pills affect cervical mucus changes in Thai women aged 18-45 who are obese and scheduled for bariatric surgery. Participants will take 4 mg of Drospirenone daily, and their cervical mucus will be evaluated using a modified Insler score on days 4-7 of the treatment. The study aims to compare the cervical mucus changes before and after the bariatric surgery to understand the impact of the medication in this specific population.

Who should consider this trial

Good fit: Ideal candidates are Thai women aged 18-45 who are obese, scheduled for bariatric surgery, and require contraception.

Not a fit: Patients who are pregnant, breastfeeding, or have contraindications to Drospirenone will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide insights into effective contraceptive options for obese women undergoing bariatric surgery.

How similar studies have performed: While there may be studies on hormonal contraceptives, this specific focus on Drospirenone and cervical mucus changes in the context of bariatric surgery is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* 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 Criteria:

* Pregnancy or history of giving birth within 3 months
* Breastfeeding within the 6 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
* Suspected ovarian tumor or pathological ovarian cyst
* Regular cigarette smoking
* Contraindications to Drospirenone

Where this trial is running

Bangkok

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions ContraceptionDrospirenone only pillsObesityBariatric surgeryRoux-en-Y gastric bypassCervical mucus
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.