Figure 7.

Mean change in ZBI from baseline (FAS). ZBI, Zarit Caregiver Burden Interview; FAS, full analysis set. (a)PLA-DON10 group started treatment with 3 mg at Week 16, and the dose was increased to 5 mg at Week 18. (b)PLA-DON10 and DON5-DON10 groups started treatment at 10 mg from Week 24 (dose decrease to 5 mg was allowed). *P < 0.05 (paired t test).