Ben Samelson-Jones, MD, PhD Profile picture
Pediatric Hematologist @childrensphila | Gene Therapist | Husband | 👩👦👧👶 🐕 Dad | #WilliamsSyndrome advocate | Views my own
Jul 22, 2022 7 tweets 5 min read
@chowdarypm, @ProfMakris, and others report another successful #genetherapy for #hemophilia B clinical trial using the hyperactive FIX variant Padua.
tinyurl.com/346ty35v

🧵 on the clinical development of FIX Padua in gene therapy:

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This is now the 4th successful Phase1/2 #genetherapy study using #AAV vectors using FIX Padua. The initial demonstration of the benefit of FIX Padua in #genetherapy for #hemophilia B was in a study led by @LindseyAGeorge.

nejm.org/doi/full/10.10…

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Jul 12, 2022 4 tweets 2 min read
Thrombin generation assays doing a lot of work at non factor therapy for #hemophilia session at #Isth2022 demonstrating

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1️⃣ Stability of antithrombin knockdown in subjects receiving fitusiran Image 2️⃣ Increased potency of Mim8 compared to emicizumab in phase 1 subjects Image