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Gene therapy for β-thalassemia: current and future options
Giulia Hardouin1, Annarita Miccio1, Megane Brusson1
1Université Paris Cité, Imagine Institute, Laboratory of chromatin and gene regulation during development, INSERM UMR 1163, 75015, Paris, France.
Trends in Molecular Medicine
|January 10, 2025
Summary
Gene therapy offers a promising cure for beta-thalassemia, a severe blood disorder. Advances in gene addition and genome editing are expanding treatment options beyond traditional stem cell transplants.
Area of Science:
- Hematology
- Genetic Medicine
- Molecular Biology
Background:
- Beta-thalassemia is a severe inherited blood disorder causing anemia and reduced lifespan.
- Current curative treatment, allogeneic hematopoietic stem cell (HSC) transplantation, is limited by donor availability.
- Recent advancements in gene therapy offer new hope for patients.
Purpose of the Study:
- To review breakthroughs in gene therapy for beta-thalassemia.
- To discuss clinical outcomes and regulatory approvals of these novel therapies.
- To explore future perspectives in beta-thalassemia treatment.
Main Methods:
- Review of gene addition-based therapies using lentiviral vectors.
- Analysis of genome-editing tools for beta-thalassemia treatment.
- Evaluation of clinical trial data and regulatory submissions.
Main Results:
- Gene therapy approaches have shown significant clinical success.
- Several gene therapies have received regulatory approval.
- These therapies offer curative potential for a wider patient population.
Conclusions:
- Gene therapy, including gene addition and genome editing, represents a significant advancement in treating beta-thalassemia.
- Approved gene therapies are transforming patient outcomes.
- Continued research will further refine and expand these life-changing treatments.
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