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Therapeutics IV: Exam #4 - Menopause
n/a
33
Health Care
Graduate
11/12/2010

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Term
Perimenopause
Definition
time period immediately prior to menopause through 1st yr after menopause;
Sx: irregular menses, heavy breakthrough bleeding
Term
Menopause
Definition
permanent end of menstruation & fertility following end of ovarian follicular function; occurs after 12 consecutive months of amenorrhea;
normal part of aging;
genitourinary atrophy occurs in 100% of women
Term
Signs/Symptoms of Menopause
Definition
dysfunctional uterine bleeding;
vasomotor symptoms: hot flashes/flushes, night sweats, excessive perspiration, HA, N/V, dizziness, palpitations;
Sleep disturbances;
Sexual dysfunction;
mood changes;
problems w/ concentration/memory;
Vaginal atropy - dryness, burning, itching, dypareunia, dysfunctional uterine bleeding;
Urogenital atrophy - urinary urgency & frequency incontinence;
Term
Nonpharm Tx of Menopause
Definition
Exercise;
Weight Control;
Smoking cessation;
Healthy diet;
For hot flashes: avoid triggers (spicy foods, caffeine, hot drinks), dress in layers, keep fan nearby, cool water on face/neck/wrists);
Term
Indications for Hormone Therapy in Tx of Menopause
Definition
relief of menopausal symptoms: moderate-severe symptoms, vaginal atrophy;
prevention of osteoporosis (not 1st line)
Term
ET: Administration of Estrogens
Definition
for women w/ history of histerectomy
Term
HT: Administration of Estrogen + Progestrogen
Definition
for women without history of histerectomy - decreases risk of endometrial hyperplasia & endometrial cancer
Term
Estrogen Therapy
Definition
use lowest dose to control symptoms;
if only vaginal Sx, use vaginal drugs first;
short-term therapy: 6 months - 5 yrs;
ADRs:
Common - N, HA, breast tenderness, vaginal bleeding, fluid retention, bloating, increases TGs & HDL, decreases LDL;
Serious - risk of CHD, stroke, VTE, breast cancer, gallbladder dx
Term
Oral Estrogens - micronized estradiol (Estrace), estradiol acetate (Femtrace), conjugated equine estrogen (Premarin), esterified estrogen (Menest), synthetic conjugated estrogens (Cenestin)
Definition
0.625 mg vs 0.3 mg - increased risk of stroke??
significant first pass effect --> metabolized to estrone --> higher conc. of estrone --> measuring levels to monitor therapy is NOT RECOMMENDED
Term
Estradiol Transdermal System - Climara, Estraderm, Vivelle-Dot
Definition
ADRs:
Application Site Rxns - skin irritation;
ADRs: vaginal bleeding;
Less likely to cause N or HA;
Lower incidence of breast tenderness or VTE;
Safer for women w/ hypertriglyceridemia, liver dx, gallbladder dx;
Avoids 1st pass effect;
More continuous delivery;
Term
Topical Estradiol Emulsion product - Estrasorb
Definition
1.74 g pouches;
Dose: 3.48 g /day (delivers 0.05 mg/day);
Application:
Apply to clean dry skin on both legs qAM;
Open up pouch, squeeze entire contents on to hands;
Rub into left thigh & calf for 3 min or until completely absorbed, rub any excess into buttocks;
Repeat with another pouch to right leg;
Allow legs/buttocks to dry before putting on clothing;
Wash hands w/ soap & water;
Term
Topical Estradiol Gel - Estrogel
Definition
Pump or tube w/ 0.06% conc. containing 0.75 g/1.25 g;
Administration:
Prime pump before administering or fill applicator to halfway mark (if tube);
Squeeze appropriate amount on to hands;
Apply amt to clean, dry, unbroken skin after bath/shower;
Spread on arm from wrist to shoulder in thin layer;
Allow to dry for at least 5 min before dressing;
Wash hands w/ soap & water;
Term
Vaginal Estrogen tablets - Vagifem
Definition
equiv. to 25 mcg of drug;
Initial dose: 1 tab intravaginally daily x 2 wks;
Maintenance: 1 tab intravaginally twice weekly;
Application:
Insert tab as far as possible into vagina using provided applicator without excessive force
Term
Vaginal Estrogen Creams
Definition
Estrace vaginal:
Initial - 2-4 g intravaginally daily x 1-2 wks;
Maintenance - 1 g intravaginally 1-3x/wk;
Premarin, Ogen vaginal:
Dose - 2-4 g intravaginally daily
Term
Vaginal Estrogen Rings - Estring, Femring
Definition
Used for relief of genitourinary symptoms & vasomotor symptoms;
AVoids significant systemic absorption;
ADRs: vaginal irritation;
Insertion:
Press into oval shape;
Insert into upper 1/3 of vaginal vault, when in place, pt should not feel anything;
If pt feels discomfort, it prolly isn't in far enough;
Stays in for 90 days, if removed or falls out prior to that, rincse in warm water & reinsert;
Term
Equivalent Doses for Different Estrogen Dosage Forms
Definition
0.625 mg conjugated equine estrogens = 1 mg micronized 17-beta estradiol = 1.25 mg estropipate = 50 mcg/day 17-beta estradiol transdermal patch
Term
Progestogens - medroxyprogesteron acetate (Provera), micronized progesterone (Prometrium), norethindrone acetate (Aygestin)
Definition
Indications: for women w/ a uterus due to increased endometrial hyperplasia & endometrial cancer if estrogen is given unopposed;
ADRs:
Common - irritability, depression, HA, bloating, fluid retention, irregular bleeding, change in libido
Term
Combination Products (Estrogen + Progestins [EPT])
Definition
Oral:
conjugated estrogens + medroxyprogesterone acetate (Prempro, Premphase);
ethinyl estradiol + norethindrone acetate (Femhrt);
estradiol + norethindrone (Activella);
estradiol + drosperinone (Angeliq);

Transdermals:
estradiol + levonorgestrel (ClimaraPro);
estradiol + norethindrone (CombiPatch)
Term
Continuous Cyclic E/P
Definition
daily estrogen;
progesterone given for at least 12-14 days of cycle;
May cause withdrawal bleeding in 90% of women, occurs 1-2 days after last progestogen dose
Term
Continuous-combined E/P
Definition
daily estrogen & progestogen;
May cause unpredictable spotting/bleeding - resolves w/in 6-12 months --> INCREASE estrogen dose or DECREASE progestogen dose;
Best for women at least 2 yrs post-menopause
Term
Continuous Long-Cycle E/P
Definition
Daily estrogen;
Progestogen for 12-14 days 6x/yr;
Rationale: decreased incidence of uterine bleeding;
Drawback: heavier & longer bleeding episodes ompared to other cycles
Term
Intermittent-combined E/P
Definition
3 days of estrogen alone alternating w/ 3 days of estrogen + progestogen;
lower incidence of uterine bleeding, less side effects w/ progestogen --> better tolerated;
Term
Heart & Estrogen/Progestin Replacement Study (HERS)
Definition
RCT looking at >2500 postmenopausal women w/ established CHD - effect of HRT on 2ndary prevention of CHD;
Pts put on either 0.625 mg CEE + 2.5 mg medroxyprogesterone or placebo;
Results:
- 179 women in HRT group & 182 in placebo experienced nonfatal MI or CHD death;
- no difference b/w groups for 2ndary CV outomes;
- 1st yr of study --> more events in HRT group;
- higher rate of VTE events in HRT
Conclusions: do NOT start HRT for 2ndary CHD prevention, may consider continuing tx in women already on HRT
Term
Women's Health Initiative Trial (WHI)
Definition
CT conducted in >27,000 healthy postmenopausal women --> long-term HRT can redue incidence of CHD and/or fractures w/o increasing risk of breast cancer;
Women w/ uterus (CEE + P or placebo):
- HRT group had increased risk of VTE & breast cancer, increased risk of MI & stroke, decreased risk of colorectal cancer, fewer fractures;
Women W/O uterus (EE only or placebo):
- ET group had increased risk of stroke & blood clots, no difference in risk of MI, breast or colorectal cancer;
Term
Benefits of Hormone Therapy
Definition
relief of menopausal symptoms;
prevention of bone loss/osteoporosis;
tx of vaginal dryness & dyspurenia;
More evidene needed for decreased risk of colon cancer & DM
Term
Risks of Hormone Therapy
Definition
Cardiovascular dx: HT - increased risk, ET - no effect in risk;
Stroke - increased risk w/ both HT & ET;
Breast Cancer - HT: increased risk w/ increased duration, ET: increased risk in pts 10-15 yrs past menopause;
Endometrial Cancer: HT - no increased risk, ET - increased risk for uterine & endometrial cancer;
Ovarian Cancer - HT may increase risk;
VTE - increased risk w/ both HT & ET;
Cognition - HT increases risk of dementia >= 65 yrs;
Gallbladder dx: risk increases w/ longer exposure
Term
Absolute Contraindications to HRT
Definition
pregnancy, Hx of breast cancer, hx of hormone sensitive cancer, hx of endometrial cancer, unexplained uterine bleeding, active liver dx, hx of blood clotting disorder, confirmed CVD, Hx of stroke/TIA
Term
Relative Contraindications for HT
Definition
hypertriglyceridemia, migraine HAs, seizure disorder, uterine leiomyoma, gallbladder dx, liver impairment
Term
Androgens - methyltestosterone/esterified estrogen, mixed testosterone esters, testosterone pellets, nandrolone decanoate
Definition
Sx of androgen insufficiency: decreased libido, diminished well-being, loss of energy, decreased bone mass, reduced muscle strength;
More extreme in women w/ surgically-induced menopause;
C/Is: moderate/severe acne, hirsutism, androgenic alopecia, pregnancy, lactation, androgen-dependent neoplasm;
Only give in combo w/ estrogen replacement!!
Term
Bioidentical Hormones
Definition
hormones that are chemically idential to hormones produced in the body;
"Custom made" hormone therapy;
promoted as safer & more effective than HRT but not FDA-regulated
Term
SSRIs/SNRIs/others - venlafaxine (Effexor), paroxetine CR (Paxil CR), gabapentin (Neurontin), clonidine (Catapres), megestrol acetate (Megace)
Definition
use suggests benefits but results are inconsistent;
for tx of vasomotor symptoms
Term
Phytoestrogens - isoflavones, lignans, coumestans
Definition
plant compounds w/ structure similar to estrogen;
ADRs: constipation, bloating, nausea;
Dose: 50 mg/day appears beneficial, takes 3 months to see improvement
Term
Mammogram Screening Guidelines
Definition
yearly screenings starting at age 40
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