Objectives: To examine the effects of the group benefit-finding therapeutic intervention (BFT) for Alzheimer family caregivers up to 10-month follow-up. Methods: This was a cluster-randomized double-blind controlled trial in social centers and clinics. Participants included 129 caregivers. Inclusion criteria were 1) primary caregiver aged 18 years and older and without cognitive impairment, 2) providing 14 or more care hours per week to a relative with mild-to-moderate Alzheimer disease, and 3) scoring 3 or more on the Hamilton Depression Rating Scale.