APEX- studiet (Allopurinol and Placebo- Controlled Efficacy Study of Febuxostat) var et fase III, randomiseret, dobbeltblind, multicenterstudie over 28 uger.
The Allopurinol and Placebo-Controlled Efficacy Study of Febuxostat (APEX) was a Phase 3, randomized, double-blind, multicenter, 28-week study.