Study of Efficacy and Safety of Canakinumab in Patients With Hereditary Periodic Fevers

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.

Inclusion Criteria: - Patient's written informed consent (or parent's written informed consent in case of pediatric patient) at screening - Male and female patients at least 2 years of age at the time of the screening visit. Male and female patients >28 days but 10mg/L at randomization Exclusion Criteria: - Use of the following therapies (within varying protocol defined timeframes): Corticosteroids, anakinra, canakinumab, rilonacept, tocilizumab, TNF inhibitors, abatacept, tofacitinib, rituximab, leflunomide, thalidomide, cyclosporine, intravenous immunoglobulin, 6-Merceptopurine, azathioprine, cyclophosphamide, or chlorambucil, any other investigational biologics - History of malignancy of any organ system (other than localized basal cell carcinoma of the skin or in - situ cervical cancer), treated or untreated - Significant medical diseases, including but not limited to the following: a. History of organ transplantation b. Elevated liver enzymes ≥3x ULN d. Increase in total bilirubin e. Serious hepatic disorder (Child-Pugh scores B or C) f. Chronic Kidney Disease g. Thyroid disease h. Diagnosis of active peptic ulcer disease i. Coagulopathy j. Significant CNS effects including vertigo and dizziness - Any conditions or significant medical problems which immunecompromise the patient and/or places the patient at unacceptable risk for immunomodulatory therapy - Live vaccinations within 3 months prior to the start of the trial, during the trial, and up to 3 months following the last dose