Clinical trialNCT04311281WithdrawnObservational

FDDNP Protocol for Visualizing Brain Proteinopathies to Assist in the Diagnosis of Persons With Suspected CTE and AD

SponsorUniversity of California, Los AngelesEnrollment0Suspected Alzheimer's Disease (AD)Suspected Chronic Traumatic Encephalopathy (CTE) or Traumatic Encephalopathy Syndrome (TES)

View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

Helen Lavretsky, MD
University of California, Los Angeles, Semel Institute
Principal Investigator
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

No facility list is in our current data snapshot for this study. The registry record on ClinicalTrials.gov ↗ carries any published locations. Why? →

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 31 May 2021
Primary completion: 3 May 2021
Completion: 3 May 2021
Last update posted: 6 May 2021
Registered enrollment: 0
Registry id: NCT04311281

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.