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Climarapro (Estradiol / Levonorgestrel Transdermal) - Summary



Estrogens and progestins should not be used for the prevention of cardiovascular disease or dementia. (See WARNINGS, Cardiovascular disorders and Dementia.)

The Women's Health Initiative (WHI) study reported increased risks of myocardial infarction, stroke, invasive breast cancer, pulmonary emboli, and deep vein thrombosis in postmenopausal women (50 to 79 years of age) during 5 years of treatment with oral conjugated estrogens (CE 0.625 mg) combined with medroxyprogesterone acetate (MPA 2.5 mg) relative to placebo. (See CLINICAL STUDIES and WARNINGS, Cardiovascular disorders and Malignant neoplasms, Breast cancer.)

The WHI study reported increased risks of stroke and deep vein thrombosis in postmenopausal women (50 to 79 years of age) during 6.8 years of treatment with oral conjugated estrogens (CE 0.625 mg) relative to placebo. (See CLINICAL STUDIES and WARNINGS, Cardiovascular disorders.)

The Women's Health Initiative Memory Study (WHIMS), a substudy of WHI, reported increased risk of developing probable dementia in postmenopausal women 65 years of age or older during 4 years of treatment with CE 0.625 mg combined with MPA 2.5 mg and during 5.2 years of treatment with CE 0.625 mg alone, relative to placebo. It is unknown whether this finding applies to younger postmenopausal women. (See CLINICAL STUDIES, WARNINGS, Dementia and PRECAUTIONS, Geriatric use.)

Other doses of oral conjugated estrogens with medroxyprogesterone acetate, and other combinations and dosage forms of estrogens and progestins were not studied in the WHI clinical trials and, in the absence of comparable data, these risks should be assumed to be similar. Because of these risks, estrogens with or without progestins should be prescribed at the lowest effective doses and for the shortest duration consistent with treatment goals and risks for the individual woman.



Climara Pro

Climara Pro® (Estradiol/Levonorgestrel Transdermal System) is an adhesive-based matrix transdermal patch designed to release both estradiol and levonorgestrel, a progestational agent, continuously upon application to intact skin. The 22 cm2 Climara Pro system contains 4.4 mg estradiol and 1.39 mg levonorgestrel and provides a nominal delivery rate (mg per day) of 0.045 estradiol and 0.015 levonorgestrel.

In women with an intact uterus, Climara Pro is indicated in the:

  1. Treatment of moderate to severe vasomotor symptoms associated with menopause.
  2. Prevention of postmenopausal osteoporosis. When prescribing solely for the prevention of postmenopausal osteoporosis, therapy should only be considered for women at significant risk of osteoporosis and non-estrogen medications should be carefully considered.

    The mainstays for decreasing the risk of postmenopausal osteoporosis are weight bearing exercise, adequate calcium and vitamin D intake, and when indicated, pharmacologic therapy. Postmenopausal women require an average of 1500mg/day of elemental calcium. Therefore, when not contraindicated, calcium supplementation may be helpful for women with suboptimal dietary intake. Vitamin D supplementation of 400-800 IU/day may also be required to ensure adequate daily intake in postmenopausal women.

    Risk factors for osteoporosis include low bone mineral density, low estrogen levels, family history of osteoporosis, previous fracture, small frame (low BMI), light skin color, smoking, and alcohol intake. Response to therapy can be predicted by pre-treatment serum estradiol, and can be assessed during treatment by measuring biochemical markers of bone formation/resorption, and/or bone mineral density.

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Published Studies Related to Climarapro (Estradiol / Levonorgestrel Transdermal)

Efficacy of a new 7-day transdermal sequential estradiol/levonorgestrel patch in women. [2002.03.25]
OBJECTIVE: To investigate the efficacy and tolerability of a new 7-day transdermal sequential estradiol/levonorgestrel patch (Fem7 Combi; Merck KGaA; Germany), versus placebo, as hormone replacement therapy in menopausal women... CONCLUSIONS: The new 7-day transdermal sequential estradiol/levonorgestrel patch was well tolerated, providing rapid and effective relief of menopausal symptoms. The addition of low-dose levonorgestrel did not influence the beneficial effects of estradiol.

Estradiol and levonorgestrel: effects on bleeding pattern when administered in a sequential combined regimen with a new transdermal patch. [2002.03]
OBJECTIVE: A 1-year, randomized, multicenter study was carried out to assess the effects of estradiol/levonorgestrel, delivered transdermally by 7-day patches in a sequential combined regimen, on bleeding pattern and acceptability in postmenopausal women... CONCLUSIONS: Sequential combined transdermal 17 beta-estradiol/levonorgestrel shows very good cycle control that is well accepted by postmenopausal women.

17 beta-estradiol/levonorgestrel transdermal system. [2004]
Hormone replacement therapy with continuous 17 beta-estradiol/levonorgestrel (estradiol/levonorgestrel), administered once weekly as a transdermal system, has shown efficacy in the treatment of vasomotor symptoms associated with menopause. Transdermal estradiol/levonorgestrel (4.4/2.74 and 4.5/3.75mg) significantly reduced the mean weekly (primary endpoint) and daily number of hot flashes (flushes) compared with placebo in a 12-week, randomized, double-blind trial in postmenopausal women (both of the dosages used are higher than the approved dosage).

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Page last updated: 2006-01-31

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