Reproductive Flashcards
GnRH analog
Pulsatile- agonist
(for infertility)
Continuous- antagonist
(for prostate cancer, uterine fibroids, precocious puberty)
Nausea, vomiting, antiandrogen
Leuprolide
Androgen receptor agonists (2)
Hypogonadism, development of secondary sex characteristics, anabolism after burns/injury
Gonadal atrophy (LH reduced), closure of epiphyseal plates, masculinization, increased LDL, decresed HDL
Testosterone, methyltestosterone
5-alpha reductase inhibitor
(decreased T -> DHT)
For BPH, male-pattern baldness
Impotence, ejaculatory dysfunction, gynecomastia
Finasteride
Competitive inhibitor at testosterone receptor
Prostate carcinoma
Flutamide
Inhibits 17,20-desmolase
(steroid synthesis)
For polycystic ovarian syndrome, hirsutism
Gynecomastia, amenorrhea
Ketoconazole
Inhibits steroid binding
For polycystic ovarian syndrome, hirsutism
Gynecomastia, amenorrhea
Spironolactone
Bind estrogen receptors (3)
For hypogonadism, ovarian failure, menstrual abnormalities, hormone replacement therapy, androgen-dependent prostate cancer
Endometrial cancer, uterine bleeding, clear cell adenocarcinoma of vagina (1), thrombosis
Contra: ER+ breast ca, DVTs
Estrogens
Ethinyl estradiol, DES, mestranol
Clear cell adenocarcinoma- DES in utero
Partial estrogen receptor agonist (hypothalamus)
Prevents feedback inhibition, increases LH/FSH for ovulation
For infertility, polycystic ovarian syndrome
Hot flashes, ovarian enlargement, multiple simultaneous pregnancies, visual disturbances
SERM:
Clomiphene
Estrogen receptor antagonist (breast tissue)
For treatment/recurrence of ER+ breast cancer
SERM:
Tamoxifen
Estrogen receptor agonist (bone)
For osteoporosis
SERM:
Raloxifene
For relief/prevention of menopausal symptoms and osteoporosis
Increased risk for cardiovascular disease
Increased risk for endometrial cancer (if unopposed)
Hormone replacement therapy
Aromatase inhibitors (2)
Breast cancer in postmenopausal women
Anastrazole, exemestane
Bind progesterone receptors
Reduce growth, increase vascularization of endometrium
Oral contraceptives, endometrial cancer, abnormal uterine bleeding
Progestins
Competitive inhibitor at progesterone receptors
Medical abortion
(with what else?)
Heavy bleeding, abdominal pain, nausea, vomiting, anorexia
Mifepristone
(w/ misoprostol- abortion)
Inhibits LH/FSH
For prevention of ovulation
Thickening of cervical mucus, inhibit endometrial proliferation
Contra: smokers >35 (CV events), h/x thromboembolism, stroke, estrogen-dependent tumor
Oral contraception
Synthetic progestins, estrogen