Clinical trial Recruiting at 1 site Interventional Ages 18 to 40 Women only

Comparing VR and Metformin for Cesarean Section Scar Defect Treatment

Official title: Comparison of the Therapeutic Effects of Vaginal Repair and Vaginal Repair + Metformin in the Treatment of Cesarean Section Scar Defect

Run by Xinhua Hospital, Shanghai Jiao Tong University School of Medicine · NCT05205317 · Data updated 2026-11-12

This study is testing if adding metformin to vaginal repair can help women with cesarean section scar defects have better healing and less menstrual bleeding compared to just vaginal repair alone.

Quick facts

Study typeInterventional
Ages18 Years to 40 Years
SexWomen only
Enrollment100 (estimated)
SponsorXinhua Hospital, Shanghai Jiao Tong University School of Medicine
Academic / other
Locations1 site (Shanghai, Shanghai Municipality)
StatusRecruiting
StartedApril 15, 2023
Main results expectedJanuary 30, 2027
Study endsJune 30, 2027
Registry record updatedApril 24, 2026
Trial IDNCT05205317 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are women aged 18 to 40 diagnosed with CSD and experiencing prolonged menstrual flow.

Probably not a fit

Patients over 40, those with malignant tumors, or severe medical conditions may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial evaluates the effectiveness of vaginal repair combined with metformin versus vaginal repair alone in treating cesarean section scar defects (CSD). CSD is linked to abnormal uterine bleeding, and the study aims to improve outcomes for women suffering from prolonged menstrual flow. Participants will be randomized to receive either the combination treatment or the standard vaginal repair. The trial seeks to determine if metformin, known for its anti-aging properties, can enhance the healing process and reduce menstrual duration.

Why it matters

Potential benefit: If successful, this approach could significantly improve menstrual health and quality of life for women with cesarean section scar defects.

How similar studies have gone: While the use of metformin in this context is novel, previous studies have shown its effectiveness in other clinical applications, suggesting potential for success.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Patients are younger than 40 and over the age of 18.
2. Clearly diagnosed with CSD.
3. Experiencing clinical features of abnormal uterine bleeding, prolonged menstrual flow (the duration of menstruation is more than 10 days).
4. The thickness of the remaining muscular layer of CSD was less than 3 mm.
5. Normal range of blood sugar and insulin
6. No serious medical problems (important viscera function in the normal range).
7. No uterine fibroids, endometriosis, adenomyosis
8. No malignant tumors.
9. Sign the informed consent.

Exclusion Criteria:

1. Over the age of 40 or younger than 18;
2. Indefinite diagnosis.
3. Malignant tumors.
4. With severe medical problems (severe liver disease, kidney disease, respiratory diseases, heart disease or uncontrolled diabetes, epilepsy, etc., dysfunction of important organs).
5. Contraindications to metformin (baseline creatinine \>124μmol/L, hypersensitivity to metformin, or a metabolic acidosis), use of drugs that might interact with metformin (glyburide, furosemide, or cationic drugs)
6. Pregnant.
7. Mental diseases.
8. Unwilling to comply with the research plan.

Where it's running

  • Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine
    Shanghai, Shanghai Municipality, China
    Recruiting

Similar studies

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.