Estradiol/medroxyprogesterone acetate

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Estradiol /
medroxyprogesterone acetate
Estradiol (top) and medroxy-
progesterone acetate (bottom)
Combination of
EstradiolEstrogen
Medroxyprogesterone acetateProgestogen
Clinical data
Trade namesIndivina, Tridestra
Other namesE2/MPA
Routes of
administration		By mouth
Drug classEstrogen; Progestogen
Legal status
Legal status
Identifiers
CAS Number
PubChem CID

Estradiol/medroxyprogesterone acetate (E2/MPA), sold under the brand names Indivina and Tridestra among others, is a

symptoms.[1] It is taken by mouth
.

Results of the Women's Health Initiative (WHI) menopausal hormone therapy randomized controlled trials
Clinical outcome Hypothesized
effect on risk 		Estrogen and progestogen
(CEsTooltip conjugated estrogens 0.625 mg/day p.o. + MPATooltip medroxyprogesterone acetate 2.5 mg/day p.o.)
(n = 16,608, with uterus, 5.2–5.6 years follow up) 		Estrogen alone
(CEsTooltip Conjugated estrogens 0.625 mg/day p.o.)
(n = 10,739, no uterus, 6.8–7.1 years follow up)
HRTooltip Hazard ratio 95% CITooltip Confidence interval
AR
Tooltip Attributable risk 		HRTooltip Hazard ratio 95% CITooltip Confidence interval
AR
Tooltip Attributable risk
Coronary heart disease
 Decreased 1.24 1.00–1.54 +6 / 10,000 PYs 0.95 0.79–1.15 −3 / 10,000 PYs
Stroke Decreased 1.31 1.02–1.68 +8 / 10,000 PYs 1.37 1.09–1.73 +12 / 10,000 PYs
Pulmonary embolism Increased 2.13 1.45–3.11 +10 / 10,000 PYs 1.37 0.90–2.07 +4 / 10,000 PYs
Venous thromboembolism
 Increased 2.06 1.57–2.70 +18 / 10,000 PYs 1.32 0.99–1.75 +8 / 10,000 PYs
Breast cancer Increased 1.24 1.02–1.50 +8 / 10,000 PYs 0.80 0.62–1.04 −6 / 10,000 PYs
Colorectal cancer Decreased 0.56 0.38–0.81 −7 / 10,000 PYs 1.08 0.75–1.55 +1 / 10,000 PYs
Endometrial cancer – 0.81 0.48–1.36 −1 / 10,000 PYs – – –
Hip fractures Decreased 0.67 0.47–0.96 −5 / 10,000 PYs 0.65 0.45–0.94 −7 / 10,000 PYs
Total fractures Decreased 0.76 0.69–0.83 −47 / 10,000 PYs 0.71 0.64–0.80 −53 / 10,000 PYs
Total mortality Decreased 0.98 0.82–1.18 −1 / 10,000 PYs 1.04 0.91–1.12 +3 / 10,000 PYs
Global index – 1.15 1.03–1.28 +19 / 10,000 PYs 1.01 1.09–1.12 +2 / 10,000 PYs
Diabetes – 0.79 0.67–0.93 0.88 0.77–1.01
Gallbladder disease Increased 1.59 1.28–1.97 1.67 1.35–2.06
Stress incontinence – 1.87 1.61–2.18 2.15 1.77–2.82
Urge incontinence
 – 1.15 0.99–1.34 1.32 1.10–1.58
Peripheral artery disease – 0.89 0.63–1.25 1.32 0.99–1.77
Probable dementia Decreased 2.05 1.21–3.48 1.49 0.83–2.66
Abbreviations: CEs =
coronary heart disease, stroke, pulmonary embolism, breast cancer, colorectal cancer, endometrial cancer (estrogen plus progestogen group only), hip fractures, and death
from other causes. Sources: See template.

See also

Notes and references

  1. ISBN 978-0-19-871334-0
    .
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