Napping, Sleep, Cognitive Decline and Risk of Alzheimer's Disease
Sponsor: National Institute on Aging (NIA)
Terminated
Unexpected closure of study components -- the digital intervention (CBT-I) was no longer accessible, and alternatives were not feasible.
Other terminated trials from National Institute on Aging (NIA)
This NA trial investigates Aging and Alzheimer Disease and is currently terminated or withdrawn. National Institute on Aging (NIA) leads this study, which shows 15 recorded versions since 2021 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.
Status Flow
Change History
15 versions recorded-
Dec 2025 — Present [monthly]
Terminated NA
Status: Completed → Terminated
-
May 2025 — Dec 2025 [monthly]
Completed NA
Status: Recruiting → Completed
-
Sep 2024 — May 2025 [monthly]
Recruiting NA
-
Jul 2024 — Sep 2024 [monthly]
Recruiting NA
-
Oct 2023 — Jul 2024 [monthly]
Recruiting NA
▶ Show 10 earlier versions
-
Nov 2022 — Oct 2023 [monthly]
Recruiting NA
-
Oct 2021 — Nov 2022 [monthly]
Recruiting NA
Status: Not Yet Recruiting → Recruiting
-
Sep 2021 — Oct 2021 [monthly]
Not Yet Recruiting NA
-
Mar 2021 — Sep 2021 [monthly]
Not Yet Recruiting NA
-
Jan 2021 — Mar 2021 [monthly]
Not Yet Recruiting NA
-
Jun 2020 — Jan 2021 [monthly]
Not Yet Recruiting NA
-
Dec 2019 — Jun 2020 [monthly]
Not Yet Recruiting NA
-
Jan 2019 — Dec 2019 [monthly]
Not Yet Recruiting NA
-
Jun 2018 — Jan 2019 [monthly]
Not Yet Recruiting NA
-
Sep 2017 — Jun 2018 [monthly]
Not Yet Recruiting NA
First recorded
Eligibility Summary
No eligibility information available.
Contact Information
- National Institute on Aging (NIA)
- University of California, San Francisco
For direct contact, visit the study record on ClinicalTrials.gov .