At a glance
ClinicalIndex Comparison RecordN/ACompleted· 2,303 enrolled
Drug / intervention
Not specified
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.
Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.
Effects of Hormone Replacement Therapy on Cognitive Aging: Women's Health Initiative Study of Cognitive Aging (WHISCA)
In Brief
An observational study for Healthy. Completed, enrolled 2,303 participants across 1 site.
Detailed Summary
The Women's Health Initiative Study of Cognitive Aging (WHISCA) is a two-armed, randomized, placebo controlled, clinical trial designed to assess the efficacy of postmenopausal hormone therapy (HT) on age related changes in specific cognitive functions.
Study Details
Study Typeobservational
Allocation--
Masking--
Primary Purpose--
ConditionsHealthy
CountriesUnited States
Collaborators--
Timeline
N/ACompletedFinished
19992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027
Enrollment StartJul 1999
Primary CompletionSep 2007
First PostedMar 2008
Study CompletionJun 2008
TodayJul 2026
First PostedMar 7, 2008
Enrollment StartJul 1, 1999
Primary CompletionSep 1, 2007
Study CompletionJun 1, 2008
TodayJul 2, 2026
Enrollment to primary: 8.2 yearsPosted 18.3 years ago