PET Imaging Using 18FNIDF to Detect Tau Protein in Brain Diseases Including Alzheimers and Other Neurodegenerative Conditions Study of Safety and Diagnostic Effectiveness in Adults 18 to 90

What this Trial Is About

Researchers are evaluating the use of 18FNIDF PET imaging to visualize abnormal tau protein pathology in the brains of living humans. This technique targets tau neurofibrillary tangles, which are linked to neurodegenerative diseases such as Alzheimers and other tauopathies. The study focuses on assessing the safety and diagnostic effectiveness of this imaging agent, which may offer advantages over existing tau PET tracers due to its stronger binding and lower off-target effects. Participants will receive a single intravenous injection of approximately 10 b1 3 mCi of 18FNIDF. Following the injection, a PETCT scan will be performed to capture images showing the distribution of the tracer in the brain. The study includes both healthy volunteers and patients with cognitive impairment or probable Alzheimers disease. There is only one main study period involving this single injection and imaging session. During the study, participants will be monitored for safety from the time of injection up to seven days afterward. The primary assessments include safety evaluation and measuring how the tracer spreads in the body during the PETCT scan on the injection day. Researchers will also evaluate the diagnostic performance of the imaging over a two-week period from enrollment to the end of imaging. Participants involvement is limited to the injection, scanning, and follow-up safety checks.

[18F]NIDF PET Imaging in Tau-related Diseases