A 24-month open-label study of canakinumab in neonatal-onset multisystem inflammatory disease

Cailin H. Sibley, Andrea Chioato, Sandra Felix, Laurence Colin, Abhijit Chakraborty, Nikki Plass, Jackeline Rodriguez-Smith, Carmen Brewer, Kelly King, Christopher Zalewski, H. Jeffrey Kim, Rachel Bishop, Ken Abrams, Deborah Stone, Dawn Chapelle, Bahar Kost, Christopher Snyder, John A. Butman, Robert Wesley, Raphaela Goldbach-Mansky

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31 Scopus citations

Abstract

Objective To study efficacy and safety of escalating doses of canakinumab, a fully human anti-IL-1β monoclonal antibody in the severe cryopyrin-associated periodic syndrome, neonatal-onset multisystem inflammatory disease (NOMID). Methods 6 patients were enrolled in this 24-month, open-label phase I/II study. All underwent anakinra withdrawal. The initial subcutaneous canakinumab dose was 150 mg (or 2 mg/kg in patients ≤40 kg) or 300 mg (or 4 mg/kg) with escalation up to 600 mg (or 8 mg/kg) every 4 weeks. Full remission was remission of patient-reported clinical components and measures of systemic inflammation and CNS inflammation. Hearing, vision and safety were assessed. Primary endpoint was full remission at month 6. Results All patients flared after anakinra withdrawal, and symptoms and serum inflammatory markers improved with canakinumab. All patients required dose escalation to the maximum dose. At month 6, none had full remission, although 4/6 achieved inflammatory remission, based on disease activity diary scores and normal C-reactive proteins. None had CNS remission; 5/6 due to persistent CNS leucocytosis. At the last study visit, 5/6 patients achieved inflammatory remission and 4/6 had continued CNS leucocytosis. Visual acuity and field were stable in all patients, progressive hearing loss occurred in 1/10 ears. Adverse events (AEs) were rare. One serious AE (abscess due to a methicillin-resistant Staphylococcus aureus infection) occurred. Conclusions Canakinumab at the studied doses improves symptoms and serum inflammatory features of NOMID, although low-grade CNS leukocytosis in four patients and headaches in one additional patient persisted. Whether further dose intensifications are beneficial in these cases remains to be assessed. ClinicalTrials.gov identifier NCT00770601.

Original languageEnglish (US)
Pages (from-to)1714-1719
Number of pages6
JournalAnnals of the rheumatic diseases
Volume74
Issue number9
DOIs
StatePublished - Sep 1 2015

ASJC Scopus subject areas

  • Immunology and Allergy
  • Rheumatology
  • Immunology
  • Biochemistry, Genetics and Molecular Biology(all)

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    Sibley, C. H., Chioato, A., Felix, S., Colin, L., Chakraborty, A., Plass, N., Rodriguez-Smith, J., Brewer, C., King, K., Zalewski, C., Kim, H. J., Bishop, R., Abrams, K., Stone, D., Chapelle, D., Kost, B., Snyder, C., Butman, J. A., Wesley, R., & Goldbach-Mansky, R. (2015). A 24-month open-label study of canakinumab in neonatal-onset multisystem inflammatory disease. Annals of the rheumatic diseases, 74(9), 1714-1719. https://doi.org/10.1136/annrheumdis-2013-204877