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A Novel Therapeutic Target for Alzheimer's Disease in Men and Women 50-85 Years of Age.

Mild Cognitive Impairment Clinical Trial

Official title:
A 24-month, Randomized-control, Double-blind, Multi-center, Delayed-start, Pilot Study Evaluating Thrombin Inhibitions Alzheimer's Disease Using 150mg Dabigatran Daily: A Novel Therapeutic Target for Alzheimer's Disease

Clinical Trial Summary

A randomized-control, double-blind, multi-center, delayed-start, pilot trial evaluating the disease modifying effects of a 150mg once-a-day dose vs. placebo of dabigatran in men and women, between the ages of 50-85 years, confirmed with MCI probably due to AD and mild Alzheimer's Disease.

Clinical Trial Description

The study will be conducted in 2-phases. The Phase I double-blind portion of the study consists of 40-60 active participants with MCI probably due to AD and mild AD randomized to 150mg once-a-day dose of dabigatran or placebo. A futility analysis will be conducted based on month 3 plasma biomarker changes from baseline. Excluding futility, at the end of Phase I, the study continues onto the open-label phase of the study where the placebo arm will be treated with 150mg once-a-day with dabigatran from months 10-21. The active treatment arm will continue on dabigatran through month-21. For final analysis, a difference in intercept of a generalized growth model between randomization groups during Phase 2 in the Cognitive Dementia Rating Scale-Sum of Boxes (CDR-SB) will be taken as evidence of effectiveness and justify further study. All patients will discontinue dabigatran after month 21 and a 3-month follow-up period will confirm whether or not the proposed cognitive effects can be sustained in the absence of treatment. The relationships between changes in levels of plasma biomarkers over time will be tested with regards to each other and relative to MRI and cognitive testing performed at scheduled intervals. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03752294
Study type Interventional
Source University of Rhode Island
Contact Chris Getter
Phone 401-874-2358
Email cgetter@uri.edu
Status Not yet recruiting
Phase Phase 1
Start date November 2018
Completion date December 2021
View Details
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