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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 lay summary the sponsor registered on ClinicalTrials.gov.

The primary objective of this study is to demonstrate the safety and efficacy of positron emission tomography (PET) imaging with a radioactive compound called \[F-18\]FDDNP in subjects with suspected Alzheimer's disease or suspected chronic traumatic encephalopathy (CTE) to predict clinical decline after one and two years.
clinicaltrials.gov ↗

Investigators

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

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

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

[F-18]FDDNP-PET
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

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 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.