U.S., May 1 -- ClinicalTrials.gov registry received information related to the study (NCT06951984) titled 'Hydroxyephedrine PET/CT in Sympathetic Nervous System Disease' on April 23.

Brief Summary: To evaluate the potential usefulness of 11C/18F-HED positron emission tomography/ computed tomography (PET/CT) for the diagnosis of primary and metastatic lesions in various Tau-related disease patients.

Study Start Date: March 01, 2013

Study Type: OBSERVATIONAL

Condition: Sympathetic Nervous System Diseases Sympathetic Nervous Structure Injury Sympathetic Nerve Injury

Intervention: DIAGNOSTIC_TEST: 11C/18F-HED

Each subject receive a single intravenous injection of 11C/18F-HED and undergo PET/CT or MRI imaging within the specificed time....