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ASH 2025 | A case report used to evaluate gene therapy outcomes in transfusion-dependent β-thalassemia

In this video, Gonzalo De Luna, MD, Henri-Mondor University Hospital, Créteil, France, discusses real-world data from the first French patient treated with a CRISPR-Cas9–based gene therapy approach for transfusion-dependent β-thalassemia. Dr De Luna highlights that there was no evidence of clonal dominance or structural rearrangement at 16 weeks of follow-up, and the pre-existing DNMT3A mutation remained stable, suggesting no clonal expansion. This interview took place at the 67th ASH Annual Meeting and Exposition, held in Orlando, FL.

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