• Hermann Eichler, Azusa Nagao, John Waller, and Alexander Stuber.
• Institute of Clinical Hemostaseology and Transfusion Medicine, Saarland University, Homburg, Germany.
• Patient Prefer Adher. 2023 Jan 1; 17: 300130143001-3014.

PurposeTuroctocog alfa pegol (N8-GP) is an extended half-life recombinant factor VIII molecule used for the treatment of hemophilia A (HA). The purpose of this study was to investigate real-world experiences of patients with HA treated with N8-GP.Patients And MethodsA 25-minute online survey was completed by adults (≥18 years) and caregivers of adolescents (12-16 years) with HA receiving N8-GP across six countries (Germany, Italy, Portugal, Spain, UK and US). Patients were recruited using a multichannel approach through recruitment panels, referrals from healthcare professionals and patient associations. The survey comprised a questionnaire with metrics including satisfaction and preferences for N8-GP, quality of life (QoL) and long-term impact.ResultsA total of 62 participants (98% male [n=61], mean age 29 years) comprising 46 patients and 16 caregivers completed the survey. Patients (60% non-severe [n=37] and 40% severe [25]) were on N8-GP for a mean period of 1.4 years. Patients expressed satisfaction (95% vs 42%, p<0.001) and preference (91% vs 9%, p<0.001) for N8-GP vs their previous treatments. Most patients with severe HA (87%, p=0.038) and patients on prophylaxis (84%, p<0.001) stated lower frequency of injections as their main reason for satisfaction, while improved QoL drove satisfaction for non-severe patients (81%, p=0.053). Overall, patients perceived that QoL score improved (74.8 vs 65.9, p=0.01) with N8-GP treatment compared with previous treatments. Flexibility to store at room temperature was one of the key convenience factors driving satisfaction. Patients believed that N8-GP can offer a long-term impact in areas such as ability to perform day-to-day activities (68%), independence to live like a person without hemophilia (63%), ability to travel (60%) with a feeling of optimism and hopefulness (82%).ConclusionLower frequency of injections, storage flexibility and improved QoL drove satisfaction and preference for N8-GP over previous treatments among patients with HA.© 2023 Eichler et al.

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