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Gene Therapy Transforms Life of Boy with Duchenne Muscular Dystrophy

  • Hudson Sanford, diagnosed with Duchenne muscular dystrophy, received Elevidys gene therapy just before aging out of eligibility, offering a chance to slow disease progression.
  • Elevidys delivers a modified dystrophin gene to muscle cells, stabilizing them and preserving function, though it cannot restore already lost muscle.
  • Following the treatment, Hudson showed rapid improvements in motor skills, including running faster and getting up more quickly, enhancing his quality of life.
  • The FDA expanded Elevidys approval to include all patients aged 4 years and older, increasing access to this potentially life-altering therapy.
Hudson Sanford, a young boy diagnosed with Duchenne muscular dystrophy (DMD), has experienced a remarkable transformation after receiving Elevidys, a breakthrough gene therapy. His story highlights the potential of gene therapy to alter the course of this devastating disease.
Sanford's journey began when his preschool teacher noticed difficulties with movements like rising from the floor and climbing stairs. Subsequent blood work revealed highly elevated creatine kinase (CK) levels, a key indicator of muscle damage indicative of Duchenne. According to the Muscular Dystrophy Association, elevated CK levels suggest muscle disintegration due to an abnormal process.
DMD, characterized by mutations in the dystrophin gene, leads to progressive muscle fiber degeneration and weakness. As neurologist Dr. Diana Castro explains, Duchenne is caused by a lack of dystrophin, a protein essential for muscle health. Without it, muscles cannot repair themselves, leading to weakness and breakdown over time.
Facing a grim prognosis, Sanford's family sought innovative treatments and discovered Elevidys. This one-time gene therapy targets the root cause of Duchenne by delivering a modified version of the dystrophin gene directly to muscle cells. This instructs the cells to produce a functional, albeit modified, dystrophin protein. While Elevidys cannot restore lost muscle, it aims to stabilize existing muscle and preserve function, slowing disease progression.
Time was of the essence, as Elevidys was initially only available for children up to 5 years old. Sanford received the infusion just three days before his sixth birthday. The results were almost immediate. "A week after the infusion, we noticed him running faster and being able to get up off the floor quicker," his mother reported.
The FDA's recent decision to expand Elevidys approval to include all patients aged 4 years and older marks a significant step forward in the treatment of Duchenne. This expansion offers hope to a broader range of patients, providing them with access to a therapy that can significantly improve their quality of life.
Sanford's story is a testament to the power of gene therapy and its potential to transform the lives of individuals with Duchenne muscular dystrophy. His improved mobility and overall well-being offer a glimpse into a future where this once-devastating disease can be effectively managed.
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Reference News

[1]
Boy with Duchenne's Gets Gene Therapy 3 Days Before He's Ineligible (Exclusive)
people.com · Oct 4, 2024

Hudson Sanford, diagnosed with Duchenne muscular dystrophy, received a breakthrough gene therapy just before aging out o...

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