Letrozole 5 mg for 10 Days Versus Letrozole 10 mg for 5 Days for Ovarian Stimulation in PCOS

Summary

The goal of this clinical trial is to learn if drug letrozole 5mg for 10 days works better than letrozole 10mg for 5 days for ovarian stimulation in infertile women with PCOS. It will also learn about the safety of drug letrozole . The main questions it aims to answer are: What medical problems do participants have when taking drug letrozole? Researchers will compare drug letrozole 5mg for 10 days works better than letrozole 10mg for 5 days for ovarian stimulation in infertile women with PCOS Participants will: The experimental arm (p1) will be treated with letrozole 5 mg for 10 days. The comparator arm (p2) will receive letrozole 10mg for 5 days for ovulation induction for consecutive 3 months Treatment will start from the 2nd day of menstruation cycle or withdrawal bleeding after the baseline visit and investigations. Ovarian response will be assessed by trans-vaginal monitoring of follicle growth aroundday 8 and day 11of menstrual cycle

Timeline

Start

2025-04-01

Primary completion

2026-04-01

Completion

2026-10-01

Publications

• Results Guo Z, Chen S, Chen Z, Hu P, Hao Y, Yu Q. Predictors of response to ovulation induction using letrozole in women with polycystic ovary syndrome. BMC Endocr Disord. 2023 Apr 25;23(1):90. doi: 10.1186/s12902-023-01336-z.
• Results Franik S, Kremer JA, Nelen WL, Farquhar C. Aromatase inhibitors for subfertile women with polycystic ovary syndrome. Cochrane Database Syst Rev. 2014 Feb 24;(2):CD010287. doi: 10.1002/14651858.CD010287.pub2.

Drugs

Indications