Vascular Dementia Clinical Trial
Official title:
A Phase III, Multicenter, Randomized, Double-blind, Positive /Placebo Controlled, Parallel, Three Arms Study of Tianzhi Granule in Mild to Moderate Vascular Dementia
This ongoing study aimed to evaluate the efficacy and safety of Tianzhi granule in mild to moderate vascular dementia in a more reasonable design.
This study is a 24-weeks, multicenter, randomized, double-blind, double- placebo, parallel controlled phase III trial being carried out in 23 centers around China. The study population includes mild to moderate VaD patients (planned a total of 630) aged 45-85 in both gender. Participants will be randomly allocated to TZK (15g/d) and placebo identified to donepezil, donepezil (5mg/d) and placebo identified to TZK, or placebo identified to TZK and placebo identified to donepezil for a 24-weeks double-blind treatment period . The primary outcome measure is change from baseline in the Vascular Dementia Assessment Scale-Cognitive Subscale and Clinician's Interview-Based Impression of Change-Plus carer Interview. The secondary outcomes are changes from baseline in the Mini-Mental State Examination, Activity of Daily Living Scale, Clock Drawing Test, Trail Making Test and Neuropsychiatric Inventory. Safety is being assessed by observing side effects and adverse reaction during the entire treatment period. Statistical analysis will be conducted according to per-protocol population and intend-to-treat population and the safety will be analyzed in safety set. ;
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