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ClinicalTrials.gov public records Last synced Sep 6, 2026, 11:54 AM EDT

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Showing 1–2 of 2 matching trials from the live ClinicalTrials.gov search.
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Not listed Phase 4 Interventional Accepts healthy volunteers

Kronos Early Estrogen Prevention Study (KEEPS)

NCT00154180
Conditions
Menopause, Arteriosclerosis
Interventions
Conjugated equine estrogens 0.45 mg/day, Transdermal estradiol, 50 mcg/day, Micronized progesterone, 200 mg/day x 12 d/month, CEE , progesterone, estradiol patch or placebo for each, CEE, progesterone, transdermal patch or the placebo
Drug
Lead sponsor
Kronos Longevity Research Institute
Other
Eligibility
42 Years to 58 Years · Female only
Enrollment
728 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
9
States / cities
Phoenix, Arizona • San Francisco, California • New Haven, Connecticut + 6 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

KEEPS Mammographic Density And Breast Health Ancillary Study

NCT02524561
Conditions
Mammographic Density, Abnormal Mammogram
Interventions
CEE pill, Estradiol patch, Active Progesterone, Placebo tablet, Placebo patch, Placebo progesterone
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
42 Years to 58 Years · Female only
Enrollment
517 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts