Repro Flashcards
leuprolide
gnRH analog: agonist when pulsed, antag continuous (decreases fsh, lh)
leuprolide uses:
pulsed/analog: infertility
continuous: prostate ca (with flutamide), uterine fibroids, precocious puberty
leuprolide: tox
antiandrogen, n&V
(methyl)testosterone)
agonist @ androgen R, Rx for hypogonadism, promotion of secondary sex characteristics, stimulates anabolism post surgery/burn/injury
(methyl)testosterone): tox
masculization in females, intratesticular testos decrease (inhibits LH release) so atrophy, premature closure of epiphyseal plates. increase LDH, decrease HDL
finasteride
5-a-reductase inhibitor (less conversion of testos to DHT). for BPH, male pattern baldness, encourages female breasts
flutamide
nonsteroid, competitive inhib androgens @ testost R. for prostate CA
ketoconazole
inhibits steroid synthesis (inhibits 17,20 desmolase)
spironolactone
inhibits steroid binding
keto and spiro
PCOS for preventing hirsutism. tox: gynecomastia, amenorrhea
estrogens (binds estrogen R)
DES, mestranol, ethinyl estradiol
estrogens: uses
hypogonadism, ovarian failure, menstrual abnormalities, HRT (postmenopausal), adrogen-dependent prostate ca
estrogens: tox
increased risk of endometrial ca (so add progesterone for HRT) & thrombi, bleeding (postmenopausal chics), cell cell adenoCa vagina (DES in utero)
estrogens: contraindic
ER positive breast Ca, Hx of DVTs
HRT
relieves hot flashes, vag atrophy, OP (increases estrogen, decreases osteoclasts)