Real-world experience with use of Antihemophilic Factor (Recombinant), PEGylated for prophylaxis in severe haemophilia A.
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Dunn AL, Ahuja SP, Mullins ES
Real-world experience with use of Antihemophilic Factor (Recombinant), PEGylated for prophylaxis in severe haemophilia A.
Haemophilia. 2018 Jan 23. doi: 10.1111/hae.13403.
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- 29359417 [ View in PubMed]
- Abstract
INTRODUCTION: Prophylaxis with extended half-life factor VIII (FVIII) is approved for haemophilia A, but data regarding routine clinical use are limited. AIM: To assess real-world experience of ADYNOVATE((R)) (Antihemophilic Factor (Recombinant), PEGylated prophylaxis in children and adults with haemophilia A. METHODS: A retrospective chart review was conducted in three US haemophilia treatment centres. Records of all patients who began Adynovate prophylaxis in routine clinical practice were identified. Demographic, clinical and patient-reported information beginning 6 months before initiation of Adynovate until the record review was analysed. RESULTS: Fifteen patients (aged 9 months to 28 years), with median 9 months' use of Adynovate (range 1-15 months), were identified. All had switched from another prophylactic regimen, 13 (87%) from standard half-life recombinant FVIII. Nine (60%) patients had >/=1 bleed within 6 months preswitch. The most frequent reason for switching was to reduce infusion frequency (14 patients). After switching, infusion frequency reduced for 13 patients, and overall weekly factor consumption decreased by 19%. Eight (53%) patients had no bleeds postswitch, three (20%) had spontaneous joint bleeds (vs four pre-switch), and three (20%) had only mild traumatic bleeds. Patient/parental satisfaction with Adynovate was documented as positive in 13 of 15 (87%) cases; 2 patients were not satisfied and discontinued Adynovate. No adverse events were considered related to Adynovate. CONCLUSION: In patients who switched from a standard half-life FVIII to Adynovate prophylaxis in routine clinical practice, bleeding control was generally improved or maintained, with a lower infusion frequency and factor consumption in most patients.
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