517
Participants
Start Date
September 30, 2005
Primary Completion Date
December 31, 2013
Study Completion Date
December 31, 2013
CEE pill
Conjugated equine estrogens 0.45 mg/day
Estradiol patch
Climara 50 mcg/day
Active Progesterone
Prometrium (micronized progesterone USP encapsulated with peanut oil) 200 mg daily for the first 12 days of each month at bedtime
Placebo tablet
Placebo tablet
Placebo patch
placebo patch
Placebo progesterone
placebo progesterone
Brigham and Women's Hospital, Boston
Collaborators (2)
National Cancer Institute (NCI)
NIH
Kronos Longevity Research Institute
OTHER
Albert Einstein College of Medicine
OTHER
Columbia University
OTHER
Mayo Clinic
OTHER
University of California, San Francisco
OTHER
University of Utah
OTHER
University of Washington
OTHER
Yale University
OTHER
Brigham and Women's Hospital
OTHER