Genetically Modifying Patients’ Skin Cells to Treat Rare Diseases
Recessive dystrophic epidermolysis bullosa is a rare, genetic, progressive condition caused by the deficiency of collagen type VII. People with severe cases of the condition suffer from blistering, vision loss, disfigurement, and other serious medical problems. Castle Creek Biosciences is developing a therapy that involves genetically modifying a patient’s own fibroblasts—the cells in the connective tissue—to get them to produce collagen VII. The modified cells are injected where needed and can be dosed repeatedly. We spoke to Matthew Gantz, president and CEO of Castle Creek, about the company’s experimental therapy for RDEB, how it works, and how the company is building out its pipeline through dealmaking.
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