Geneva, Sept. 23 -- International Clinical Trials Registry received information related to the study (NCT07169630) titled 'PET Imaging of Phosphodiesterase-4 (PDE4) in Volunteers With Alzheimer Disease (AD) or Mild Cognitive Impairment (MCI)' on Sept. 11.

Study Type: Interventional

Study Design: Allocation: N/A. Intervention model: Single Group Assignment. Primary purpose: Diagnostic. Masking: None (Open Label).

Primary Sponsor: National Institute of Mental Health (NIMH)

Condition: Alzheimer s Disease Mild Cognitive Impairment Healthy

Intervention: Drug: 18F-PF974

Recruitment Status: Recruiting

Phase: Phase 1

Date of First Enrollment: September 24, 2025

Target Sample Size: 90

Countries of Recruitment: United States

To kn...