Sickle Cell Disease (SCD) is one of the most inherited hematologic diseases affecting humans. Clinically, there is a progressive multiorgan failure and increased mortality in severe cases. The highest prevalence is in West Africa, India, the Mediterranean region, and Middle East countries. Hydroxyurea was the primary drug available for SCD and remains first-line therapy for patients with SCD. Three additional drug therapies, L-glutamine, Voxelotor, and Crizanlizumab, have been approved as adjunctive agents. However, none of these treatments are curative. Effective cell-based therapies are available, such as red blood cell (RBC) exchange and the only curative therapy is hematopoietic stem cell transplantation (HSCT). Gene-editing now shows promise in treating SCD and the β-thalassemias. Recent clinical trials have proven that this therapeutic strategy is effective, however costly. Despite the availability of safe and effective drug treatments, questions focusing on the overall value of these drugs exist in light of rising healthcare costs including hospitalizations and medical interventions. Herein, we report a cost-effective evaluation that can guide future efforts in making decisions towards HSCT as cell therapy treatment in SCD patients.
Keywords: Sickle cell disease; fetal hemoglobin; hematopoietic stem cell transplant.
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