Shared Flashcard Set

Details

Androgens and fertility drugs
Last Pharm lecture before exam 4
17
Medical
Professional
04/04/2013

Additional Medical Flashcards

 


 

Cards

Term
Leuprolide
Definition
GnRH agonist that stimulates short term secretion of LH/FSH. Continued exposure interrupts pulsitivity and actually inhibits LH/FSH.

Used for prostate cancer, precocious puberty, uterine leomyoma, endometriosis

non FDA: BPH, Breast, PMS
Term
ketoconazole
Definition
antifungal agent that at high doses inhibits steroidogenic p450s (aldo, corto, testo... mainly testosterone).

unapproved for prostate cancer

causes shorterm rise testosterone, decreased libido
Term
Finasteride
Definition
Competitive specific inhibitor of type II 5-alpha-reductase of the prostate, seminal vesicles, epididymes and hair follicles(BLOCKS DHT NOT T)

Indications: Prostate cancer, BPH and alopecia.

better tolerated than flutamide
Term
Flutamide
Definition
Non-steroidal anti-androgen used as an anti-hormone in the treatment of prostatic carcinoma. Most effective when used as a combination with GnRH agonist Leuprolide

USed for prostate cancer and nonapproved for BPH
Term
Testosterone replacement therapy
Definition
Normally delivered as a topical skin gel for congenital/aquired hypogonadism, breast carcinoma post menopausal women.

NonFDA approved: gender change, aids wasting, anemia in renal failure
Term
Androstenedione
Definition
One short enzymatic step from testosterone. Only recently banned by the MLB.
Term
hCG
Definition
Human Chorionic Gonadotropin. Same Alpha subunit as LH/FSH. Binds and activates LH receptor and marketed (illegally) over internet for weight loss. BINDS LH-R

Assisted in fertility to mimic LH surge. NonFDA: bodybuilding/weightloss

may cause anovulation, hirsiutism, cliteromegaly,

promotes T from leydig
Term
Clomiphene citrate
Definition
Block negative feedback that delays LH surge. This broadens the surge and increases the potential that a dominant follicle will be in position to ovulate.
Term
Estrogen on fertility
Definition
Blocks FSH production and the LH Surge effectively inhibiting ovulation.
Term
Clomiphene citrate
Definition
An anti-estrogen used block negative feedback of estrogen at the hypothalamic-pituitary axis and broaden the LH surge. This is used to increase the changes of ovulation. Aromatase inhibitors can be used for the same purpose but are not FDA approved for this purpose.
Term
anastrazole
Definition
aromatase inhibitor for breast cancer and post menopause.
May cause OSTEOPOROSIS
blocks peripheral estrogens
Term
Bromocriptine
Definition
Dopamine Receptor Agonist for hyperprolactinemia in infertility.
NAUSE/VOMIT/HEADACHE.

Not a cure for adenoma
Term
Tamoxifen
Definition
1st generation SERM in hormone sensitive breast cancer, can increase severity outgrowth, anti-estrogen breast, estrogenic bone
Term
Mifepristone
Definition
RU486: steroidal anti-glucocorticoid and progesterone. blocks ovulation and cuases abortion. CONTRAIND CORTICOSTEROIDS.

uterine leomyoma, breast/uterine cancer, can induce labor
Term
Medroxyprogestone acetate
Definition
Progesterone agonist in contraception and HRT. SE = pregnancy and breast cancer. Inhibits uterine hyperplasia induced by E2.
Term
Ethinyl Estradiol
Definition
Estrogen Receptor Agonist: for contraception and hormone replacement therapy. Increased risk of uterine and breast cancer. stabilizes bone demineralization and blocks ovulation.
Term
Cyproterone
Definition
Progestin and weak anti-androgens by binding to receptor. USED FOR HIRSUTISM. Raises serum T levels (gynocarmastia). rarely used alone
Supporting users have an ad free experience!