The Kawasaki Disease Comparative Effectiveness (KIDCARE) trial: A phase III, randomized trial of second intravenous immunoglobulin versus infliximab for resistant Kawasaki disease.
2019
Abstract Background Although intravenous immunoglobulin (IVIG) is effective therapy for
Kawasaki disease(KD), the most common cause of acquired heart disease in children, 10–20% of patients are IVIG-resistant and require additional therapy. This group has an increased risk of
coronary artery aneurysms(CAA) and there has been no adequately powered, randomized clinical trial in a multi-ethnic population to determine the optimal therapy for IVIG-resistant patients. Objectives The primary outcome is duration of fever in IVIG-resistant patients randomized to treatment with either
infliximabor a second IVIG infusion. Secondary outcomes include comparison of inflammatory markers, duration of hospitalization, and coronary artery outcome. An exploratory aim records parent-reported outcomes including signs, symptoms and treatment experience. Methods The KIDCARE trial is a 30-site randomized Phase III comparative effectiveness trial in KD patients with fever ≥36 h after the completion of their first IVIG treatment. Eligible patients will be randomized to receive either a second dose of IVIG (2 g/kg) or
infliximab(10 mg/kg). Subjects with persistent or recrudescent fever at 24 h following completion of the first study treatment will cross-over to the other treatment arm. Subjects will exit the study after their first outpatient visit (5–18 days following last study treatment). The parent-reported outcomes, collected daily during hospitalization and at home, will be compared by study arm. Conclusion This trial will contribute to the management of IVIG-resistant patients by establishing the relative efficacy of a second dose of IVIG compared to
infliximaband will provide data regarding the patient/parent experience of these treatments.
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