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Verubecestat is under investigation for the treatment of Alzheimer's Disease, Prodromal Alzheimer's disease, and Amnestic Mild Cognitive Impairment. Verubecestat is Merck’s investigational oral β-site amyloid precursor protein cleaving enzyme (BACE1 or β secretase) inhibitor. In July 2013, Merck announced positive results for Phase Ib trials of Verubecestat. In the study, administration of Verubecestat at doses of 12, 40 and 60 mg resulted in a dose-dependent and sustained reduction in the levels of Ab40, a measure of BACE1 activity, in CSF from baseline of 57, 79 and 84 percent, respectively.
Verubecestat is under investigation for the treatment of Alzheimer's Disease, Prodromal Alzheimer's disease, and Amnestic Mild Cognitive Impairment. Verubecestat is Merck’s investigational oral β-site amyloid precursor protein cleaving enzyme (BACE1 or β secretase) inhibitor. In July 2013, Merck announced positive results for Phase Ib trials of Verubecestat. In the study, administration of Verubecestat at doses of 12, 40 and 60 mg resulted in a dose-dependent and sustained reduction in the levels of Ab40, a measure of BACE1 activity, in CSF from baseline of 57, 79 and 84 percent, respectively.
The amyloid hypothesis asserts that the formation of amyloid peptides that lead to amyloid plaque deposits in the brain is a primary contributor to the underlying cause of Alzheimer's disease. BACE is believed to be a key enzyme in the production of amyloid β peptide. Evidence suggests that inhibiting BACE decreases the production of amyloid β peptide and may therefore reduce amyloid plaque formation and modify disease progression.
