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Groundbreaking Sickle Cell Disease Cure Gets Approved By The Federal Drug Administration

The Food and Drug Administration (FDA) has granted approval for two groundbreaking treatments for #sicklecell disease, affecting over 100,000 Americans, primarily from the Black community. The first, Casgevy, developed by Vertex Pharmaceuticals and CRISPR Therapeutics, utilizes the Nobel Prize-winning gene-editing tool CRISPR to edit the DNA in patients' stem cells, eliminating the gene causing the disease. Unlike previous treatments requiring bone marrow transplants, Casgevy makes the patient their own donor, eliminating the risk of rejection.

The second approved treatment, Lyfgenia by Bluebird Bio, is a gene therapy that also modifies a patient's own stem cells. Both therapies represent a significant shift in treating sickle cell disease, offering potential cures without the need for external donors.

However, Casgevy comes with a high price tag of $2.2 million per patient, raising concerns about accessibility for many families. Experts emphasize the need to ensure the therapy reaches those in need, potentially transforming the lives of individuals limited by the disease.

Casgevy's efficacy has been demonstrated in a clinical trial involving 46 patients, with 29 showing successful outcomes. Patients who underwent the treatment reported significant improvements in their quality of life, resuming normal activities without the restrictions imposed by the disease.

While hailed as a game-changer, uncertainties remain about the long-term effects of Casgevy, prompting a 15-year post-approval study. Additionally, Bluebird Bio's Lyfgenia carries a boxed warning due to rare cases of the treatment causing certain blood cancers, emphasizing the importance of ongoing monitoring and research.

Individuals who participated in the clinical trials, such as LaRae Morning and Christopher Vega, expressed relief and joy at the transformative impact of the treatments on their lives. Despite the challenges of the treatment process, including chemotherapy and potential side effects, the prospect of living free from chronic pain and restrictions has been a life-changing experience for patients.

Link: NBC News


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