NotablePrimary and study completion pushed from Sep 2026 to Sep 2031
MinorEligibility criteria expanded, about 9 words
Study description expanded, about 10 words
Site details revised at 4 of 26 sites
Publications: details revised at 9 of 9 entries
MinorPrimary and study completion moved earlier from Jul 2027 to Sep 2026v43
NotablePrimary and study completion pushed from Jul 2026 to Jul 2027v42
MinorSite details revised at 9 of 26 sitesv41
Show 39 earlier versionsHide 39 earlier versions
NotablePrimary completion date: Jul 2025 to Jul 2026
Study sites: 25 to 26
v40
MinorStudy completion date: Jul 2025 to Jul 2026
Site details revised at 5 of 25 sites
v39
MinorSite details revised at 5 of 25 sitesv38
MinorStudy sites: 24 to 25v37
NotablePrimary and study completion dates: Jul 2024 to Jul 2025
Study sites: 23 to 24
v36
MinorEligibility criteria expanded, about 8 words
Study sites revised (23)
v35
MinorSite details revised at 2 of 23 sitesv34
MinorStudy sites: 20 to 23v33
MinorStudy sites: 16 to 20
Study description expanded, about 66 words
v32
NotablePrimary and study completion dates: Jun 2019 to Jul 2024
Enrollment target: 600 to 700
Study sites revised (16)
v31
MinorSite contacts updated at 3 of 16 sitesv30
NotableEnrollment target: 400 to 600v29
MinorStudy sites: 15 to 16v28
MinorSite contacts updated at 1 of 15 sitesv27
MinorSite contacts updated at 1 of 15 sitesv26
MinorStudy sites: 13 to 15
Eligibility criteria expanded, about 64 words
Study description expanded, about 84 words
v25
MinorStudy sites: 14 to 13v24
MinorSite contacts updated at 1 of 14 sitesv23
NotablePrimary and study completion dates: Jun 2014 to Jun 2019
Site contacts updated at 1 of 14 sites
v22
MinorSite contacts updated at 1 of 14 sitesv21
MinorSite contacts updated at 1 of 14 sitesv20
MinorStudy sites: 13 to 14v19
MinorRe-verified, no change to tracked fieldsv18
MinorSite contacts updated at 3 of 13 sitesv17
MinorStudy sites: 11 to 13v16
MinorSite contacts updated at 2 of 11 sitesv15
MinorSite contacts updated at 2 of 11 sitesv14
MinorSite details revised at 2 of 11 sites
Collaborators: 2 to 1
v13
MinorStudy sites: 10 to 11v12
MinorSite contacts updated at 1 of 10 sitesv11
MinorSite contacts updated at 1 of 10 sitesv10
MinorStudy sites revised (10)v9
NotableLead sponsor: National Institute on Aging (NIA) to Washington University School of Medicine
Collaborators: 1 to 2
v8
MinorSite contacts updated at 1 of 10 sitesv7
MinorSite contacts updated at 2 of 10 sites
Collaborators expanded, about 1 word
v6
MinorSite contacts updated at 1 of 10 sitesv5
MinorCollaborators shortened, about 1 wordv4
MinorSite contacts updated at 3 of 10 sitesv3
MinorStudy description expanded, about 2 wordsv2
MinorStudy First Submitted
Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The purpose of this study is to identify potential biomarkers that may predict the development of Alzheimer's disease in people who carry an Alzheimer's mutation.