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Reproductive: Pharmacology
USMLE 1
33
Medical
Graduate
05/14/2010

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Cards

Term
Finasteride (propecia)
Definition
5a-reductase inhibitor (decrease conversion to DHT)
used in BPH, hair growth (male pattern baldness)
Term
A nonsteroidal competitive inhibitor of androgens at Te receptor
Definition
Flutamide
used in prostate carcinoma
Term
Inhibits steroid synthesis, used in PCOS
Definition
Ketoconazole (prevents hirsuitism in PCOS)
SE: gynecomastia, amenorrhea
Term
Inhibits steroid binding, used in PCOS
Definition
spironolactone
SE: gynecomastia, amenorrhea
Term
Antiandrogens
Definition
Finasteride
Flutamide
Ketoconazole
Spironolactone
Term
GnRH analog
Definition
Leuprolide
agonist: pulsatile
antagonist: continuous
Term
Prostate cancer treatment
Definition
flutamide: nonsteroidal competitive inhibitor of androgens at Te receptor
Leuprolide: GnRH analog, continuous fashion
Term
Treatment for uterine fibroids
Definition
Leuprolide (GnRH agalog)
Term
Toxicity of leuprolide
Definition
Antiandrogen, N/V
Term
Inhibit cGMP phosphodiesterase, increases cGMP and causes smooth muscle relaxation
Definition
Sildenafil, vardenafil
relaxation in the corpus cavernosum, increases blood flow and penile erection
Term
SE of sildenafil
Definition
HA, flushing, dyspepsia, impaired blue-green color vision
risk of life threatening hypotension in patients taking nitrates
Term
Competitive inhibitor of progestins at progesterone receptors
Definition
Mifepristone (RU-486)
terminates pregnancy, given with misoprostol (PGE1)
Term
SE: mifepristone (RU-486)
Definition
heavy bleeding
GI effects (N/V/A)
abdominal pains
Term
Impaired blue green vision
Definition
SE of sildenafil
Term
How doe OCP's work?
Definition
prevent estrogen surge, LH surge doesn't occur, ovulation doesn't occur
Term
OCP decrease risk of?
Definition
endometrial and ovarian cancer
ectopic pregnancy
pelvic infections
Term
OCP negative effects
Definition
increase triglycerides
hypercoaguable state
Term
HRT is used for?
Definition
menopausal symptoms
osteoperosis
Term
Unopposed estrogen replacement therapy increase risk of?
Definition
endometrial cancer
this is why progesterone is added to HRT

possible increased CV risk
Term
PGE2 analog causing cervical dilation and uterine contraction
Definition
Dinoprostone
Term
B2 agonist that relaxes the uterus
Definition
Ritodine/terbutaline

reduces premature uterine contractions
Term
Aromatase inhibitors used in postmenopausal women with breast cancer
Definition
anastrozole/exemestane
Term
Use of testosterone
Definition
hypogonadism
development of secondary sex characteristics
stimulate anabolism to promote recovery after burn/injury
treat ER-positive breast CA (exemestane)
Term
SE of Te
Definition
Females: masculinization
Males: decrease intratesticular Te by inhibiting leydig cells, gonadal atrophy

premature closure of epiphyseal plates

decrease HDL, increase LDL
Term
Use in men with androgen dependent prostate cancer
Definition
Estrogens
Term
Clear cell adenocarcinoma of vagina in exposed females
Definition
DES in utero
Term
Contraindications to estrogen
Definition
ER+ breast cancer
Term
Bind progesterone receptors
Definition
Progestins
reduce growth and increase vascularization of endometrium
Term
Used to treat endometrial cancer and abnormal uterine bleeding
Definition
progestins
Term
Partial agonist at estrogen receptor in pituitary gland
Definition
Clomiphene
prevents normal feedback inhibition, increases release of LH and FSH, stimulating ovulation

treats infertility and PCOS
Term
SE of clomiphene
Definition
partial agonist at estrogen receptors in pituitary gland

hot flashes, ovarian enlargement, multiple simultaneous pregnancies, visual disturbances
Term
Antagonist on breast tissue
Definition
Tamoxifen
used to treat and prevent reoccurrence of ER-positive breast cancer
Term
Estrogen partial agonist on bone
Definition
Raloxifene
reduces resorption of bone, used to treat osteoperosis
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