A Randomized, Double-blind, Placebo Controlled Study of Canakinumab in Patients With Hereditary Periodic Fevers (TRAPS, HIDS, or crFMF), With Subsequent Randomized Withdrawal/Dosing Frequency Reduction and Open-label Long-term Treatment Epochs

This study is to determine whether canakinumab is able to induce and maintain a clinically meaningful reduction of disease activity in participants with Hereditary Periodic Fevers (HPF) compared to placebo.