Cedric Hermans: Proposing a New 3-tier Framework for FVIII Replacement Therapy in Hemophilia A
Cedric Hermans, Head of Haemophilia Centre at the Saint-Luc University Hospital, Brussels, shared a post on LinkedIn about a recent article he and his colleagues co-authored, published in Blood Advances, adding:
“FVIII therapy classification may need to evolve.
We propose a new 3-tier framework for FVIII replacement therapy in hemophilia A:
- SHL-FVIII
- EHL-FVIII
- HSA/UL-FVIII (high-sustained-activity and ultralong half-life FVIII)
Unlike current EHL products, which remain limited by VWF binding, HSA/UL-FVIII achieves markedly prolonged activity and sustained FVIII levels in or near the nonhemophilia range for several days with once-weekly dosing.
These findings support moving beyond half-life alone and incorporating new exposure-based metrics such as time above threshold and segmented AUC to better characterize next-generation FVIII therapies.”
Title: A revised classification of FVIII concentrates: rationale and novel metrics
Authors: Cedric Hermans, Pratima Chowdary, Barbara A. Konkle, Johnny Mahlangu, Axel Facius, Maria Elisa Mancuso

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