○ Evidence tier 3 — Human open-label pilot (feasibility / biomarker)

Record

DesignOpen-label feasibility pilot
N5
RegistryNCT04063124
Citation statusregistry corrected & verified via ClinicalTrials.gov v2 API: NCT04063124 = open-label single-group pilot, n=5 ACTUAL, UT Health San Antonio, COMPLETED 2023-01-30. NOTE: NCT04685590 is a SEPARATE follow-on Phase 2 randomized quadruple-masked trial (n=48 target, active). Outcomes paper Gonzales et al. 2023.

Five-qualifier claim

Species / populationOlder adults with early-stage Alzheimer's disease (n=5 ACTUAL), open-label single-group pilot (NCT04063124).
Exposure, route, scheduleIntermittent oral D+Q over 12 weeks.
Comparator / durationSingle-arm; CSF sampled at baseline and 12 weeks.
Endpoint / numeric resultPrimary endpoint CNS penetration: dasatinib detected in CSF (0.281-0.536 ng/mL) in 4/5 participants; quercetin not detected. Well tolerated. Cognitive and neuroimaging measures did not significantly change.
What it did NOT establishFeasibility/pharmacokinetic pilot only; no cognitive benefit demonstrated; no lifespan outcome.

Primary reference

https://clinicaltrials.gov/study/NCT04063124

Exact identifier to be confirmed against the primary record before publication where flagged above.