20
Participants
Start Date
November 30, 2000
Primary Completion Date
February 28, 2007
Study Completion Date
August 22, 2015
Estradiol infusion
Graded estradiol infusion of 0.1 mcg/kg/hr for 12 hr, 0.135 mcg/kg/hr for 12 hr, 0.165 mcg/kg/hr for 12 hr and 0.2 mcg/kg/hr for 60 hr.
Progesterone infusion
Progesterone infusion of 4.77 nmol/kg/hr (1.5 mcg/kg/hr) for 24 hr and 6.36 nmol/kg/hr (2 mcg/kg/hr) for the final 24 hr of the 5-day study.
Massachusetts General Hospital, Boston
National Institute on Aging (NIA)
NIH
Massachusetts General Hospital
OTHER