Continuation of The Kronos Early Estrogen Prevention Study (KEEPS)
Public ClinicalTrials.gov record NCT03718494. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Prevention of Alzheimer's Disease in Women: Risks and Benefits of Hormone Therapy -Continuation of: "The Kronos Early Estrogen Prevention Study (KEEPS)"
Study identification
- NCT ID
- NCT03718494
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- Mayo Clinic
- Other
- Enrollment
- 299 participants
Conditions and interventions
Conditions
Interventions
- Brain Magnetic Resonance Imaging (MRI) Diagnostic Test
- F-18 AV-1451 Positron Emission Tomography (PET) Imaging Diagnostic Test
- F-18 Florbetapir Positron Emission Tomography (PET) Imaging Diagnostic Test
- Neuropsychological Testing Other
Diagnostic Test · Other
Eligibility (public fields only)
- Age range
- 49 Years to 72 Years
- Sex
- Female
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 21, 2019
- Primary completion
- Aug 31, 2022
- Completion
- Aug 31, 2022
- Last update posted
- Jul 16, 2023
2019 – 2022
United States locations
- U.S. sites
- 6
- U.S. states
- 6
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Banner Health | Phoenix | Arizona | 85032 | — |
| University of California San Francisco | San Francisco | California | 94158 | — |
| Yale University | New Haven | Connecticut | 06520 | — |
| Brigham and Women's Hospital | Boston | Massachusetts | 02115 | — |
| Columbia University | New York | New York | 10027 | — |
| University of Utah | Salt Lake City | Utah | 84112 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03718494, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 16, 2023 · Synced May 4, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03718494 live on ClinicalTrials.gov.