Hormone Replacement Therapy
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Hormone Replacement Therapy
**Symptomatic menopause**
- HRT is combined estrogen/progesterone therapy that MUST be used in a woman with an intact uterus
- Cyclic or continuous treatment
- ERT is estrogen only replacement therapy and is used with a woman that has undergone a hysterectomy
Benefits of Hormones
- Decrease vasomotor symptoms
- Improvement in QOL
- Improvement in urogenital symptoms
- Decrease osteoporosis risk
- May protect against dementia
NAMS Position Statement - HRT indications
Hormone therapy is approved by FDA for four indications:
- Bothersome VMS
- Prevention of bone loss
- Hypoestrogenism caused by hypogonadism, castration, or POI
- Genitourinary symptoms
HRT Contraindications
- Undiagnosed vaginal bleeding
- Known or suspected pregnancy
- Vascular thromboembolic episodes (CVA,MI, DVT, Thrombophlebitis)
- Active liver disease acute or chronic
- Known or suspected cancer of the breast or reproductive tract
HRT Precautions
- Type I DM
- Active gallbladder disease
- > 1ppd smoker
- Obesity
- FMH breast cancer
- Fibroid uterus
- HX of peripheral vascular episode
- Migraines
- Elevated triglycerides
Ideal HRT Candidate Characteristics
- Newly menopausal (within 5 years)
- Good health
- No risk factors for heart disease or breast CA (no first degree relative and neg fmx for BRCA1 or 2)
- Non smoker
- Non-obese
- Normal Blood sugar and blood pressure
- Moderate to severe vasomotor s/s or menopausal s/s
HRT Risks
- Blood Clots
- Gallbladder Disease
- Breast Cancer
- < 4yr no increase risk
- 4-10 years questionable
- > 10 year increase risk
- Increased cardiac events in 1st year use with patient with prior heart disease – HERS II
Recommendations from ACOG
- Cardiac protection-counsel on other methods
- Osteoporosis prevention-alternatives
- Short term use for Vasomotor S/S 1-4 years
- Long term use for Vasomotor S/S-creams, mood elevators, sleeping pills
- Estrogen with Progesterone 5 years use ok
- Estrogen alone can be used up to 7 years
Estrogen Replacement Options (ERT)
- Conjugated estrogen – Premarin (0.3/0.45/0.625,0.9,1.25mg/d)
- Esterified estrogen – Menest (0.3/0.625,1.25,2.5mg/d)
- Transdermal estrogen – Vivelle dot, Vivelle, Estraderm, Alora, Climara, Esclim, Menostar, FemPatch **avoids liver effects and less effect on triglycerides and lipids compared to oral formulations.
- Micronized estrogen – Estradiol 1.0mg/d
Progesterone Therapy
- MUST be used in ALL patients intact uterus - protect uterine lining from estrogen effects
- Provera or Prometrium
- Cyclic – taken the first 10-15 days of the month with estrogen
- Continuous – taken everyday that estrogen is taken, usually 2.5-5.0 mg qd of MPA
- Combined products – Prempro, Premphase, FemHRT, Activella, Ortho-Prefest, CombiPatch
- Duavee – conjugated estrogen/bazedoxifene (SERM)
Side Effects of HRT
- BTB or withdrawal bleeding
- Progesterone: breast tenderness, fluid retention, wgt gain, depression, irritability
- Increase fibroids
- Allergic reaction to patch
- Virilization with testosterone products
Education
- Proper way to take meds
- Report bleeding
- SBE
- Exercise and calcium 1200 mg/qd + Vit D 1000IU
- Preventative health measure (pap,mammo,fobt, colonoscopy)
- S/S of danger signs (CVA, MI, Endo CA)
Alternatives - Vasomotor Symptoms
- Brisdelle 7.5 mg QHS (paroxetine)
- Venlafexine- venlafaxine ER 37.5 qd x 1 week then 75mg once a day or Immediate release 37.5mg qd x 1 week then 37.5 mg bid
- Gabapentin- 600mg q hs or 300mg TID depending on when the flashes take place (Hot flashes or night sweats)
- Clonidine – 50-75 mcg/day
- SSRI some effect+/-
- Paroxetine 25mg qd
- Fluoxetine 10-20mg qd
- Sertraline 50mg qd
Alternatives - Sleep
Improve sleep habits
- Melatonin
- Gabapentin - 300mg 1-2 hours before bedtime, some patients may need 600mg
- Lunesta - 2mg qhs
- Ambien - 5mg qhs (no longer 10mg)
Complimentary Therapies
- May be effective - Estroven, Black Cohash, Soy, Vitamin E
- No evidence – Dong quai, acupuncture, yoga, Evening primrose, Ginseng, Kava, Red Clover, Flaxseed