Cummings, J. L., Lyketsos, C. G., Peskind, E. R., Porsteinsson, A. P., Mintzer, J. E., Scharre, D. W., De La Gandara, J. E., Agronin, M., Davis, C. S., Nguyen, U., Shin, P., Tariot, P. N., Siffert, J.

IMPORTANCE: Agitation is common among patients with Alzheimer disease; safe, effective treatments are lacking. OBJECTIVE: To assess the efficacy, safety, and tolerability of dextromethorphan hydrobromide-quinidine sulfate for Alzheimer disease-related agitation. DESIGN, SETTING, AND PARTICIPANTS: Phase 2 randomized, multicenter, double-blind, placebo-controlled trial using a sequential parallel comparison design with 2 consecutive 5-week treatment stages conducted August […]