Alzheimer's Disease: Clinical Investigation & Neuroimage Studies Including

Status Recruiting

Clinical Trial Summary

Dementia is a common neurodegenerative syndrome in aged population. Alzheimer's disease (AD) is the most common disease. The main pathological findings in AD include senile plaques (SP) and neurofibrillary tangles (NFT). The b-amyloid is the main peptide in SP and tau protein is the main finding in NFT. In addition, b-amyloid is considered as a disease biomarker, but the severity of AD is related with the tau protein.

Recently a new tracer 18F-PM-PBB3 has been introduced in tau PET images. In a prelimary study with the 18F-PM-PBB3, the tau PET scan provide a good tool to evaluate tau deposition pattern among healthy volunteers, and patients with mild and moderate dementia due to AD. In this study we will enroll 20 healthy controls, 20 amnestic mild cognitive impairment patients (aMCI), 20 mild-moderate dementia due to AD patients and 10 other dementia such as frontotemporal dementia patients. All of the subjects will receive 18F-PM-PBB3 tau PET scan, and 18F-flobetapir (AV-45) amyloid PET scan, brain magnetic resonance images and clinical evaluation. We will follow up the clinical features for 2 years to understand the disease progression, disease conversion from aMCI to AD.

The study aims to investigate the deposition patterns of tau protein with 18F-PM-PBB3 and amyloid protein with 18F-flobetapir in patients with amnestic mild cognitive impairment due to AD, mild to moderate degree of dementia due to AD and healthy controls. The study will provide the information of these two proteins in different stages of dementia patients. The results may help the strategy in selection of anti-dementia drugs in the pharmaceutical company and industry and reduce the economic burden for the society. The study also can improve the understanding of Alzheimer's disease in academic research.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04305210
Study type	Interventional
Source	Chang Gung Memorial Hospital
Contact	Chin-Chang Huang, MD
Phone	03-3281200
Email	cch0537@cgmh.org.tw
Status	Recruiting
Phase	Phase 2
Start date	December 1, 2019
Completion date	January 23, 2021

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Alzheimer's Disease: Clinical Investigation and Neuroimage Studies Including 18F-PM-PBB3 and 18F-florbetapir (AV-45) PET Examination — PMPBB3/AV45

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms