The APEX study showed statistically significant superiority of both the ADENURIC 80 mg QD and the ADENURIC 120 mg QD treatment arms versus the conventionnally used doses of allopurinol 300mg (n = 258) / 100mg (n = 10) treatment arm in reducing the sUA below 6 mg/ dl (357 µmol/ l) (see Table 2 and Figure 1).