Letrozole and Sequential Clomiphene to Improve the Outcome of Embryo Transfer

Summary

The purpose of this study is to study the effects of letrozole and sequential clomiphene in ovulation and pregnancy in PCOS patients.

Timeline

Start

2016-05

Primary completion

2019-06

Completion

2020-01

Publications

• Background Kamath MS, George K. Letrozole or clomiphene citrate as first line for anovulatory infertility: a debate. Reprod Biol Endocrinol. 2011 Jun 21;9:86. doi: 10.1186/1477-7827-9-86.
• Background Legro RS, Kunselman AR, Brzyski RG, Casson PR, Diamond MP, Schlaff WD, Christman GM, Coutifaris C, Taylor HS, Eisenberg E, Santoro N, Zhang H; NICHD Reproductive Medicine Network. The Pregnancy in Polycystic Ovary Syndrome II (PPCOS II) trial: rationale and design of a double-blind randomized trial of clomiphene citrate and letrozole for the treatment of infertility in women with polycystic ovary syndrome. Contemp Clin Trials. 2012 May;33(3):470-81. doi: 10.1016/j.cct.2011.12.005. Epub 2012 Jan 13.
• Results Hajishafiha M, Dehghan M, Kiarang N, Sadegh-Asadi N, Shayegh SN, Ghasemi-Rad M. Combined letrozole and clomiphene versus letrozole and clomiphene alone in infertile patients with polycystic ovary syndrome. Drug Des Devel Ther. 2013 Dec 3;7:1427-31. doi: 10.2147/DDDT.S50972. eCollection 2013.
• Results Legro RS, Zhang H; Eunice Kennedy Shriver NICHD Reproductive Medicine Network. Letrozole or clomiphene for infertility in the polycystic ovary syndrome. N Engl J Med. 2014 Oct 9;371(15):1463-4. doi: 10.1056/NEJMc1409550. No abstract available.

Drugs

Indications