Administration of Single High Dose Letrozole for Ovulation Induction

Summary

Letrozole is considered an established treatment for ovulation induction.The most common protocol is daily dose of 2.5-7.5 mg starting day 3-5 of the cycle for 5 days.Another described protocol is single high dose 20mg Letrozole given on day 3 of the cycle. Our aim is to compare the single high dose Letrozole protocol to daily low dose protocol.

Timeline

Start

2016-03

Primary completion

2020-07-31

Completion

2020-07-31

Publications

• Franik S, Le QK, Kremer JA, Kiesel L, Farquhar C. Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome. Cochrane Database Syst Rev. 2022 Sep 27;9(9):CD010287. doi: 10.1002/14651858.CD010287.pub4.

Drugs

Indications