Trial reportJournal of women's health (2002)2014
Effects of different hormone therapies on breast pain in recently postmenopausal women: findings from the Mayo Clinic KEEPS breast pain ancillary study.
Trial report in Journal of women's health (2002), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it, 24 citations in OpenAlex.
- Long-term hormone therapy for perimenopausal and postmenopausal women.The Cochrane database of systematic reviews · 2017Pooled it
- The Kronos Early Estrogen Prevention Study (KEEPS): what have we learned?Menopause (New York, N.Y.) · 2019Review
- Patient considerations in the management of menopausal symptoms: role of conjugated estrogens with bazedoxifene.Therapeutics and clinical risk management · 2016Review
- The Effect of Menopausal Hormone Therapies on Breast Cancer: Avoiding the Risk.Endocrinology and metabolism clinics of North America · 2015Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
unlabelledAbstract Background: It is estimated that 70% of women in Western societies experience breast pain at least once during their lifetime. In the Women's Health Initiative (WHI), women treated with oral conjugated equine estrogen (0.625 mg) with or without continuous oral medroxyprogesterone acetate (2.5 mg) had a higher incidence of breast pain than those who received placebo. The effect of other hormone therapy regimens on breast pain is unknown. We compared breast pain among healthy, recently menopausal women enrolled in the Kronos Early Estrogen Prevention Study (KEEPS) at Mayo Clinic.
methodsWomen were randomized to: 0.45 mg/day oral conjugated equine estrogen (o-CEE) plus 200 mg/day micronized progesterone (m-P) for the first 12 days of the month, 50 μg/day transdermal 17β estradiol (t-E2) plus m-P for 12 days, or placebo pills and patch. Participants completed the Mayo Clinic breast pain questionnaire at baseline and yearly for the duration of the study.
resultsParticipants (116) averaged 53.0 years of age and 1.6 years past their last menses at baseline. At baseline, 12 women (10%) reported breast pain with an average worst pain score [from 0 (no pain) to 10 (worst pain)] of 0.39±1.28. With treatment, the number of women reporting pain did not increase, and with either intention-to-treat or per-protocol analyses, breast pain scores did not differ significantly (p=0.39) among groups: t-E2 (0.53±1.21), o-CEE (0.32±0.78), placebo (0.23±0.87).
conclusionFour years of treatment with o-CEE at a lower dose than that studied in the WHI with cyclic m-P or transdermal E2 with cyclic m-P did not increase breast pain in healthy, recently menopausal women.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.