Mean (SE) maximum urinary uric acid excretion rate (mg/hour) following verinurad doses in combination with febuxostat 40 or 80 mg vs febuxostat 40 or 80 mg alone (pharmacodynamics population, pooled across cohorts. Mean (SE) maximum urinary uric acid excretion rate (mg/hour) following verinurad doses in combination with febuxostat 40 or 80 mg vs febuxostat 40 or 80 mg alone (pharmacodynamics population, pooled across cohorts. Patient n: see figure 2). Roy Fleischmann et al. RMD Open 2018;4:e000647 Copyright © BMJ Publishing Group & EULAR. All rights reserved.