Infertility Drugs (MoA and Clinical Pearls) Flashcards
Clomiphene citrate MoA
Inhibits negative feedback loop in HPO axis by blocking estrogen receptor in the hypothalamus
Clomiphene citrate pregnancy rate
30%
Clomiphene citrate multiple gestations rate
7.98%
Clomiphene citrate can be used for how many cycles?
6 cycles
Letrozole MoA
Inhibits aromatase to decrease androgen and produce a hypoestrogenic state
May also thin cervical mucus
Letrozole pregnancy rate
23%
Letrozole multiple gestations rate
13%
Letrozole can be used for how many cycles?
5 cycles
Letrozole is a ?-line agent for infertility.
First
Follitropin alpha/follitropin beta MoA
Stimulates ovarian follicular growth
Follitropin alpha/beta pregnancy rate
35%
Follitropin alpha/beta multiple gestations rate
32%
Follitropin alpha/beta clinical pearls
Can also be given to men to stimulate spermatogenesis
Patients take this if they fail PO agents or they have certain disease states
Leuprolide MoA
Stimulates GnRH to the point where GnRH production is antagonized
Leuprolide therapy shouldn’t exceed more than…
12 months