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Purpose: This randomized, double-blind, placebo-controlled clinical trial aims to evaluate the therapeutic effects of donepezil in radiotherapy-related cognitive impairment.
Further study details as provided by Sun Yat-sen Memorial Hospital, Sun Yat-sen University / Yameitang.
Primary outcome measure: cognitive improvement, which is determined by the difference value of ADAS-cog score before and after the treatment of donepezil.
Full description
Application of radiotherapy to patients with head and neck cancer is a mainstay treatment in contemporary oncology practice. However, patients who received radiation are vulnerable to development of cognitive impairment. There is no acknowledged and effective standard treatment for radiotherapy-related cognitive impairment. The investigators supposed that donepezil, as a cholinesterase inhibitor, would relieve radiotherapy-related cognitive impairment after head and neck cancer, and would improve the life quality for these patients and their families.
Primary objectives: This randomized, double-blind, placebo-controlled clinical trial aims to evaluate the efficacy of donepezil on cognition in radiotherapy-related cognitive impairment.
Secondary objectives:
To evaluate the effect of donepezil on sleep disorder, mood disorder, activities of daily living, and safety in patients with radiotherapy-related cognitive impairment.
OUTLINE: This is randomized, double-blind, placebo-controlled clinical trial. Patients will be enrolled and administrated with donepezil or placebo. Donepezil will be supplied as 10 mg per pill to be taken by mouth. Placebo will be supplied as substitute of 10 mg donepezil per pill to be taken by mouth.
Patients will be screened, consented, enrolled and have a washout period for 6 weeks. Then these patients will be randomized to two arms.
Arm І: Patients receive donepezil with a dosage of 5 milligram at 8 am for one week (Week 1), then 10 milligram at 8 am for 23 weeks (Week 2-24), in the absence of unacceptable toxicity or severe deterioration.
Arm ІI: Patients receive placebo with a dosage of one half pill at 8 am for one week (Week 1), then one pill at 8 am for 23 weeks (Week 2-24), in the absence of unacceptable toxicity or severe deterioration.
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238 participants in 2 patient groups, including a placebo group
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Yamei Tang, M.D.; Yi Li, M.D.
Data sourced from clinicaltrials.gov
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