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Pharm II
Endocrine Steroids
82
Pharmacology
Graduate
10/29/2014

Additional Pharmacology Flashcards

 


 

Cards

Term
Sex hormones (gonads and adrenals)
Definition

estrogens, progestins

contraception

hormone replacement therapy

Term
Adrenocorticosteroids - adrenal cortex
Definition

glucocorticoids

mineralcorticoids

adrenal androgens

Term

Adrenal gland

 

Definition

zona glomerulosa

zona fasciculata

zona reticularis

Term
zona glomerulose
Definition

mineralcorticoids

aldosterone

Term
zona fasciculata
Definition

glucocorticoids

cortisol

Term
zona reticularis
Definition

adrenal androgens 

dehydroepiandrosterone

Term
Female sex hormones
Definition

estrogens 

selective estrogen receptor modulators (not antiestrogens)

progestins

antiprogestin

Term
Estrogens
Definition

estradiol

ethinyl estradiol, Mestranol - synthetic steroid

diethylstilbestrol - synthetic nonsteroid

Term
Selective estrogen receptor modulators
Definition

clomiphene - increases ovulation

tamoxifen, toremifen - estrogen- responsive breast Ca

Raloxifene - osteoporosis

Term
Progestins
Definition

progesterone - corpus luteum/placenta

medroxyprogesterone - synthetic

norethindrone, norgestrel (also androgenic activity)

Term
Antiprogestin
Definition
mifepristone - 85% - abortion
Term
menopause occurs at about ___ of age
Definition
51.4
Term
Which levels begin to drop prior to menopause and fall significantly after menopause
Definition
estrogen and progesterone production levels
Term

Menopause

The resulting estrogen deficiency results in :

Definition

vasomotor symptoms (hot flushes, HA, dizzy, palpitations, N/V, night sweats)

genitourinary atrophy

Term
The Women's health initiative study (WHI) confirmed the risk of breast cancer with use of a combination
Definition
estrogen plus progestin
Term
There is also an association with the long term use of estrogen and ____
Definition
ovarian cancer
Term
It is now thought that HRT might increase the risk of ___ in postmenopausal women
Definition
CHD events
Term
ERT should be used in conjuction with progestin if the woman...
Definition
still has an intact uterus
Term
progestin advantage
Definition
reduce risk of endometrial hyperplasia
Term
Progestin dosing
Definition

may be continuous or cyclic

incidence of endometrial hyperplasia decreases w/ continuous therapy

Continuous - will result in amenorrhea for most women after a year

Term
Contraindications to ERT
Definition

thromboembolic disorder of history of event while pregnant or using hormones

history of breast or endometrial cancer

undiagnosed genital bleeding

Term
the protective effect of HRT on bone loss is only effective when the patient is ___
Definition

taking HRT

effects quickly disappear when therapy is stopped

Term

New thinking on HRT and osteoporosis

 

Definition
long term risks of HRT outweigh the benefits of osteoporosis prevention so alternative therapies should be considered
Term
_____ are reduced by HRT and this is probably the only remaining indication for this medication
Definition

menopausal symptoms

estrogen therapy

Term
alternative medications for osteoporosis
Definition

raloxifene

biphosphonates (alendronate, risedronate)

Calcitonin (Calcimar, Miacalcin)

Term
_____ are the only agents proven in large randomized trails to reduce the risk of hip fracture
Definition
biphosphonates
Term
Raloxifene (SERM) MOA
Definition

works as an estrogen agonist-bone & serum lipid profiles

works as estrogen antagonist - endometrial & breast tissue

Term
only currently indicated for the tx of osteoporosis
Definition
raloxifene
Term
Raloxifene is approved for prevention of postmenopausal osteorosis where it prevents
Definition
bone resorption
Term
Raloxifene Cardiovascular
Definition

probably does not reduce the overall risk of CV events in postmenopausal women

does lower LDL and total cholesterol but does not increase HDL

Term
___ does not induce vaginal bleeding or endometrial hyperplasia
Definition
raloxifine
Term
increases the risk of thromboembolic diseas and increases hot flashes
Definition
raloxifine
Term

Estrogen prevented hot flashes 

when converting a patient from estrogen to raloxifine it is advisable to 

Definition
taper the conversion over a month
Term
Contraindications of raloxifine
Definition

pregnany & lactation

thromboembolic events

Term
Decrease bone resportion, increase bone density, and have been shown to prevent fractures
Definition

biphosphonates

alendronate or risedronate

Term

They selectively bind to the antiresorpotive surfaces of bone and may be incorporated into the bone.  They have very long half lives (possibly up to 10 years)
Definition

biphosphonates 

alendronate or risedronate

Term
Alternative to HRT for osteoporosis but no effect on the vasomotor symptoms or GU symptoms of menopause
Definition

biphosphonates 

alendronate or risedronate

Term

Containdications and precautions of biphosphonates 

(alendronate or risedronate)

Definition

renal insufficiency, hypocalcemia, and upper GI problems

can cause esophageal irritation and requires that the patient sit or stand upright for 30 min after dosing and have nothing but water

Term

gonadotropin-releasing hormone agonists

(AKA luteinizing hormone releasing factor LH-RH agonists)

Definition
lupon
Term
Lupon is used in
Definition
prostate cancer
Term
Reduces testosterone to castrate levels
Definition

lupon

 

Term
linked to the maintence of bone mass and it is now recognized that men treated w/ GnRH agonists have a high rate of developing osteoporosis
Definition
lupon
Term
approved for the primary osteoporosis in men
Definition
alendronate
Term
exhibits antagonist effects on breast tissue
Definition
tamoxifen
Term
compenetes with estrogen for binding sites in target tissue such as the breast
Definition
tamoxifen
Term
works as an estrogen agonist on bone, serum lipid profiles and endometrial tissue
Definition
tamoxifen
Term
warning for tamoxifen
Definition
thromboelmbolic events
Term
adverse reactions - hot flashes, N/V
Definition
tamoxifen
Term
mediates ovulation through increased output of pituitary gonadotropins
Definition
clomiphene
Term
Indication - treatment of ovulatory failure to women desiring pregnancy
Definition
clomiphene
Term
Ophthalmic effects - blurring spots or flashes, vasomotor flushes, andominal symptoms and @ high doses possible ovarian enlargement
Definition
clomiphene
Term
Unlabeled use - used to treat male infertility
Definition
clomiphene
Term

inhibit ovulation by suppressing hypothalamic release of FSH-RF and LHRF 

(ovulation is suppressed  95-98%)

Definition
estrogens as contraceptives
Term
___ also inhibit ovum implantation, decrease time available for fertilization and break down the corpus luteum
Definition
estrogens
Term
Progestins - work by multiple methods
Definition

1. hamper the transport of sperm through cervical canal by thickening cervical mucus

2. disturbing crital time sequence required for fertilzation in the fallopian tube by slowing ovum transport

3. inhibit implantation by altering FSH and LH peaks, and fertilization and ovulation

Term
Precautions for oral contraceptives
Definition

any thromboembolic event - DVT, PE stroke, ischemic heart disease

breast Ca

pregnancy

HTN, liver problems

Term

anabolic and/or masculinizing effects

 

Definition
testosterone - androgens
Term
Androgens (Testosterone) therapeutic uses
Definition

androgenic effects in males w/ inadequate androgen secretions (hypogonadism)

anabolic effects - in senile osteoporosis and severe burns 

growth

unapproved use - increase lean body mass & muscle strength

Term
this produce can't be used inmen with GnRH agonist induced osteoporosis
Definition

testosterone

androgens

Term
inactive orally due to first pass effect
Definition
testosterone
Term
Females AE testosterone
Definition
masculinization, acne, growth of facial hair, deeping of voice, male pattern baldness, excessive muscle development
Term
Males AE of testosterone
Definition
priapism, impotence, decreased spermatogenesis, gynecomastia
Term
Children AE testosterone
Definition
growth disturbances and abnormal sexual maturation
Term
Increase LDL relative to HDL thereby increasing the risk of heart disease, they also cause fluid retention
Definition
androgens (testosterone)
Term

In females the treatment of some metastatic breast cancer

androgen products

injections

Definition

 

short acting - testosterone aqueous & tesosterone propionate (three times a week)

long acting - testosterone enanthate & testosterone cypionate (allows for once a month dosing)

 

Term

In females the treatment of some metastatic breast cancer

androgen products

pellets

Definition
SC every 3-6 months and testosterone transdermal system (patches) are other dosing systems
Term
oral testosterone products for hypogonadism and inoperable breast carcinomas and postpartum breast pain and engorgement
Definition
methyltestosterone and fluoxymesterone
Term
synthetic androgen that suppresses the pituitary ovarian axis by inhibiting the output of pituitary gonadotropins
Definition
danazol
Term
Danazol is used to treat
Definition
endometriosis and fibrocystic breast diseases
Term
Proscar
Definition

benign prostatic hyperplasia

inhibits 5 alpha reductase the enzyme that converts testosterone into the androgen 5 alpha dihydrotestosterine, principle androgen responsible for prostatic growth

Term
Proscar side effects
Definition
decreased libido and ejaculation dysfunction
Term
Finasteride (proscar)
Definition

halts BPH progression unlike alpha blockers (ie terazosin) that only improve obstructive symptoms

may be used together (w/ proscar)

Term
Finasteride (Propecia) is only indicated for...
Definition

androgenetic alopecia (male pattern baldness)

same med as proscar only @ lower dose

Term
AE reactions of Finasteride (propecia)
Definition

same except Proscar has a greater %

 

Term
Actions of adrenal corticosteroids
Definition

1. intermediary metabolism (gluconeogenesis, protein catabolism, lipolysis)

resistance to stress

2. anti-inflammatory - blocks arachidonic acid release

3. inhibits glucocorticoids & TSH synthesis

4. stimulate egastric acid/pepsin production (gastric ulceration possibly)

5. osteoporosis

Term
Replace deficiences of endogenous hormone (cortisol) in Addison's disease and other adrenocortical insufficiences
Definition
glucocorticoids
Term
diagnosis of cushings disease - Dexamethasone supression test
Definition
glucocorticoids
Term
Supportive therapy for a variety of anti-inflammatory and immunosuppresive effects
Definition
glucocorticoids
Term
treatmet of allergies - Beclametasone, Triamclicolone
Definition
glucocorticoids
Term
table slide 31
Definition
Term

AE of systemic corticosteroids 

short term, high dose

Definition

Cerebral edema, diabetes mellitus, GI bleed, Glaucoma, Hypertension, Hypokalemic alkalosis, mood disorder, Increase in BUN, pancreatitis, proximal myopathy, and sodium and water retention
Term

AE of systemic corticosteroids

long term use 

Definition

Amenorrhea, aseptic necrosis of bone, cataracts, centripetal obesity, growth failure, hyperlipidemia, hypertension, immunosuppression, mood disorders, muscle weakness, osteoporosis, seizures
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