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Impact of Bosutinib on Safety, Tolerability, Biomarkers and Clinical Outcomes in Dementia With Lewy Bodies

Dementia With Lewy Bodies Clinical Trial

Official title:
A Randomized, Double Blind, Placebo-controlled Study to Evaluate the Impact of Bosutinib on Safety, Tolerability, Biomarkers and Clinical Outcomes in Dementia With Lewy Bodies (DLB)

Clinical Trial Summary

This study evaluates the effect of Bosutinib (Bosulif,Pfizer®) in the treatment of patients with Dementia with Lewy Bodies. Half participants will receive 100 mg of Bosutinib , while the other half will receive placebo.

Clinical Trial Description

This proposal will evaluate the effects of Bosutinib (Bosulif, Pfizer®) treatment - an FDA-approved tyrosine kinase inhibitor that targets c-Abelson (Abl) and Src tyrosine kinases- in patients with DLB. Investigators have demonstrated safety and efficacy of this compound in pre-clinical animal models and others have shown similar benefits of Bosutinib on inflammation and neurotoxic protein clearance in neurodegeneration. Investigators have demonstrated that Bosutinib enters the brain (5% CSF:plasma ratio) and inhibits Abl at lower doses (5mg/kg) than the cancer dose (80mg/kg) in animals. Bosutinib also reduces the levels of neurotoxic proteins including alpha-synuclein, tau and beta-amyloid and improves motor and cognitive behavior in models of neurodegeneration. The use of Bosutinib is a novel strategy that promotes autophagy to clear neurotoxic protein aggregates in neurons. Bosutinib is FDA-approved for the treatment of chronic myelogenous leukemia (CML) at an oral dose of 400-600 mg daily. Based on our preclinical evidence, investigators used allometric conversion to extrapolate animal to human dose and estimated a human equivalent dose daily dose of 100mg Bosutinib in this clinical study to determine the safety and tolerability, pharmacokinetics and pharmacodynamics in patients with mild to moderate DLB. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03888222
Study type Interventional
Source Georgetown University
Contact
Status Completed
Phase Phase 2
Start date April 23, 2019
Completion date August 27, 2021
View Details
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