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December 8, 2025BloodOpen Access

All 19 subjects with transfusion-dependent β-thalassemia achieved transfusion independence after treatment with RM-001 (autologous HBG1/2 promoter-modified CD34+ hematopoietic stem and progenitor cells)

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Authors

RLRongrong LiuLWLi WangSLSixi Liu

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Overview

Phase 1 trial shows RM-001 improves fetal hemoglobin levels in transfusion-dependent β-thalassemia, suggesting potential for cure.

Key Points

  • All 19 subjects achieved transfusion independence and maintained stable hemoglobin levels after RM-001 treatment.
  • Mean total hemoglobin levels increased to 12.0 g/dL by month 18, indicating success in treatment.
  • The Phase 1 trial focused on evaluating RM-001's safety and efficacy through CRISPR-Cas9 gene editing.
  • No serious adverse events were reported, highlighting the excellent safety profile of RM-001.

Cite This Study

Liu et al. (2025) studied this question.

synapsesocial.com/papers/69362f444fa91c937236d610https://doi.org/10.1182/blood-2025-4308
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