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Int J Geriatr Psychiatry. 2000 Apr;15(4):325-30.

Demented patients' participation in a clinical trial: factors affecting the caregivers' decision.

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Department of Neurology, Tel Aviv Sourasky Medical Center, Israel.


Clinical trials for Alzheimer's disease take place in medical centers all over the world. Patients and caregivers have to decide whether or not to agree to participate in clinical trials. This study aimed to investigate the motivation that determines the caregivers' choice. Nineteen caregivers of demented patients who consented to participate in a clinical trial in our Memory Clinic and 10 caregivers who refused to participate were interviewed. The data were gathered by a self-report questionnaire covering various aspects of the caregivers' decision-making process. Among the reasons for agreeing to participate in the clinical trial were the respondents' belief that it would improve or help to maintain the patients' condition. Most of the respondents of both groups indicated that information regarding side effects and success probability was adequately provided in advance. The primary reason for refusal was the potential side effects of the drug. The implications of the findings are discussed.

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