Gene Therapy Cures Sickle Cell in 20-Year-Old Patient: What Suncoast Families Should Know

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For 20 years, Martin Mwita Jr. lived with sickle cell disease, a condition that causes severe pain and frequent hospital stays. That changed after he traveled from Nebraska to Children’s Hospital in St. Louis for a gene therapy called Lyfgenia, which the FDA approved in December 2023. Doctors modified his own cells and reinfused them after high-dose chemotherapy. Today, nearly all of his sickle cells are gone, and 85% of his hemoglobin is the healthy hemoglobin A. “Being cured of sickle cell after 20 years,” he said, “was absolutely worth it.”

He isn’t the only success story. Serenity Cole completed the same therapy and is now recovering at home, adding to a growing picture that this treatment works. The process is intense — patients endure chemotherapy before their modified cells are returned — but for families who have watched sickle cell steal years of quality of life, the payoff is enormous.

Here on the Suncoast, where so many of us care for aging parents or manage chronic conditions ourselves, stories like this hit close to home. The open question is access: these therapies are expensive, and how broadly they’ll reach patients is still being worked out. But the hope is real. Have you or a family member faced a chronic illness? What gave you the strength to keep going? Tell us in the comments.