Objectives: To evaluate the safety of the peroxisome proliferator-activated receptor gamma agonist pioglitazone in nondiabetic patients with Alzheimer disease (AD) and to explore treatment effect sizes on clinical outcomes.; Design: Double-blind, placebo-controlled randomized controlled trial of 18-month duration.; Setting: Two academic medical center outpatient clinics.; Patients: Nondiabetic patients meeting research criteria for probable AD were […]