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Dosing patterns of canakinumab in patients with Cryopyrin-Associated Periodic Syndromes (CAPS): A comparative analysis of a study in Western versus Japanese patients
Pediatric Rheumatology volume 9, Article number: P12 (2011)
CAPS is an orphan auto-inflammatory disease, generally diagnosed in childhood that requires life-long treatment. Canakinumab, a fully human anti-IL-1b antibody, has previously demonstrated rapid, complete and sustained response in CAPS patients.
To compare dosing patterns of canakinumab in pediatric and adult CAPS patients of a predominantly Western population (WP) vs Japanese patients (JP).
Canakinumab s.c. 150 mg (if >40 kg) or 2 mg/kg (if ≤40 kg) was dosed every 8 weeks. Step-wise up-titrations in dose were allowed in patients who did not achieve/remain in complete response (CR, Figure 1).
Median duration of treatment was 414 (29-687) days in WP and 337 days (59-373 days) in JP. In the WP, CR was achieved in 85/109 (78%) canakinumab-naive patients. 127/141 (90%) evaluable patients remained in CR throughout the study. 47/166 patients in WP and 11/19 patients in the Japanese study were pediatrics. 36.2% vs 81.8% (WP vs JP) of children received up-titrated and/or more frequent doses. Higher median doses were required in pediatric patients in the JP compared with WP to control MWS and NOMID (Table 1). 13% vs 45% (WP vs JP) of the children received the maximum permitted dose. None of those children showed an unusual type or frequency of adverse events.
Increased doses of canakinumab were equally efficacious in patients of a WP and Japanese population comprising different CAPS phenotypes without evidence of a change in AE profile. These data suggest that children and patients with more severe CAPS phenotypes, irrespective of ethnicity, require differential dosing.
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Bader-Meunier, B., Hachulla, P., Kuemmerle-Deschner, J. et al. Dosing patterns of canakinumab in patients with Cryopyrin-Associated Periodic Syndromes (CAPS): A comparative analysis of a study in Western versus Japanese patients. Pediatr Rheumatol 9, P12 (2011). https://doi.org/10.1186/1546-0096-9-S1-P12
- Japanese Patient
- Western Population
- Frequent Dose
- Japanese Study
- Sustained Response