Alzheimer Disease Clinical Trial
Official title:
Neuronavigation-guided Focused Ultrasound-induced Blood-brain Barrier Opening in Alzheimer's Disease Patients
The purpose of this study is to test a new technique that may, in the future, help deliver medications to the brain of people with Alzheimer's disease. Participants in this study will undergo a focused ultrasound treatment to the brain, along with Magnetic Resonance Imagine (MRI) and Positron Emission Tomography (PET) scans.
Central nervous system disorders are currently being symptomatically treated since the molecular events provoking their onset have not been yet identified. Drug delivery techniques have to overcome the almost impermeable blood-brain barrier (BBB) and can be grouped into two main categories: (i) invasive and targeted, and (ii) non-invasive and non-targeted methods. However, the technological advances of the past decades revealed the immense potential of focused ultrasound (FUS) in transcranial applications. In contrast to other techniques, FUS-mediated BBB opening is both non-invasive and targeted. The localized energy delivery coupled with the circulation of intravenously administered microbubbles initiates biological effects confined only to the vessel walls and contained only in the targeted region within the brain. The purpose of the study is to assess the safety and feasibility of focused ultrasound-induced blood-brain barrier opening in Alzheimer's disease patients, using a single-element transducer with neuronavigation guidance. The investigators will also test whether treatment with focused ultrasound alone alters the amyloid protein levels in the treated brain areas and its potential effects on the cognitive function of Alzheimer's patients. ;
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