Overview Study of the Safety and Efficacy of Long-Term Rilonacept Treatment for the Prevention of Gout Flares Status: Terminated Trial end date: 2013-06-01 Target enrollment: Participant gender: Summary The purpose of this study was to determine the safety and tolerability of rilonacept for participants with gout who were initiating allopurinol. Phase: Phase 3 Details Lead Sponsor: Regeneron PharmaceuticalsTreatments: AllopurinolRilonacept