Ropeginterferon alfa-2b as a promising alternative to conventional interferon in CDA type 1: a case report of two siblings
Abstract
Congenital dyserythropoietic anemia type I (CDA-I) is a rare hereditary anemia caused by CDAN1 or C15orf41 mutations, with CDAN1-related cases responding to interferon-alpha (IFN-α) therapy. However, traditional IFN-α requires frequent injections and often causes flu-like symptoms, which can hinder long-term adherence. Here, we present the first documented use of ropeginterferon alfa-2b, a next-generation pegylated interferon, in two patients with CDA-I. Both patients, who were previously transfusion dependent, achieved transfusion independence and improved hemoglobin levels after transitioning from recombinant IFN-α to ropeginterferon alfa-2b with biweekly dosing. This treatment preserved efficacy while minimizing adverse effects and the injection burden. Our findings suggest that ropeginterferon alfa-2b may serve as a more tolerable and effective long-term treatment. Further prospective large-scale studies are needed to validate its broader clinical applicability.
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Evidence Hub reads this as a case report, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.
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