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This study was designed to assess the safety and tolerability of pioglitazone, an approved drug for type 2 diabetes, in non diabetic patients with Alzheimer's disease. It was also designed to generate preliminary information on whether pioglitazone might slow progression of Alzheimer's disease.
Inflammatory processes are important in the progressive loss of memory and thinking skills in Alzheimer's disease (AD). Laboratory studies show that drugs that bind to a protein known as "Peroxisome Proliferator Activated Receptor-gamma (PPARgamma)" act to reduce inflammatory responses in brain cells known as microglia when they are exposed to amyloid peptide, a major part of AD pathology. Therefore, drugs that activate PPARgamma have great potential for reducing the progression of AD. Pioglitazone (PGZ) activates PPARgamma and has shown favorable clinical experiences and safety profiles in patients with diabetes. This is a pilot study to determine the safety and tolerability of PGZ in patients with AD. Another goal of the study is to assess how clinical measures of cognition, daily function, and behavior might respond to PGZ treatment.
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment
University Hospitals of Cleveland
National Institute on Aging (NIA)
Published on BioPortfolio: 2014-08-27T03:19:10-0400
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Abnormal structures located chiefly in distal dendrites and, along with NEUROFIBRILLARY TANGLES and SENILE PLAQUES, constitute the three morphological hallmarks of ALZHEIMER DISEASE. Neuropil threads are made up of straight and paired helical filaments which consist of abnormally phosphorylated microtubule-associated tau proteins. It has been suggested that the threads have a major role in the cognitive impairment seen in Alzheimer disease.
Vaccines or candidate vaccines used to prevent or treat ALZHEIMER DISEASE.
A progressive form of dementia characterized by the global loss of language abilities and initial preservation of other cognitive functions. Fluent and nonfluent subtypes have been described. Eventually a pattern of global cognitive dysfunction, similar to ALZHEIMER DISEASE, emerges. Pathologically, there are no Alzheimer or PICK DISEASE like changes, however, spongiform changes of cortical layers II and III are present in the TEMPORAL LOBE and FRONTAL LOBE. (From Brain 1998 Jan;121(Pt 1):115-26)
A carbamate-derived reversible CHOLINESTERASE INHIBITOR that is selective for the CENTRAL NERVOUS SYSTEM and is used for the treatment of DEMENTIA in ALZHEIMER DISEASE and PARKINSON DISEASE.
A biochemical phenomenon in which misfolded proteins aggregate either intra- or extracellularly. Triggered by factors such as MUTATION, POST-TRANSLATIONAL MODIFICATIONS, and environmental stress, it is generally associated with ALZHEIMER DISEASE; PARKINSON DISEASE; HUNTINGTON DISEASE; and TYPE 2 DIABETES MELLITUS.
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