Tag Archives: KJ

Beyond Baby KJ: manufacturing lessons for the next CRISPR cures

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The coordinated effort that last spring saved the life of little KJ Muldoon earned widespread and enthusiastic media coverage. But between the invention of the treatment and its delivery to the patient lay a lesser-told story: an unprecedented manufacturing sprint. Genetic Engineering & Biotechnology News organized an online roundtable led by its deputy editor in chief, Julianna LeMieux, to discuss how therapeutic components were produced quickly, cost-effectively, and to clinical-grade standards.

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CRISPR cures for kids? A new center is born!

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Jennifer Doudna and Priscilla Chan

Last May, the case of baby KJ made headlines: the child, suffering from a severe metabolic disorder, received a therapy developed specifically for him in just six months. The rapid improvement in his condition and his discharge from the hospital left the rare disease community with a pressing question: was this an unrepeatable one-off, or a replicable model of intervention? The right answer might be the latter, as demonstrated by the launch of the Center for Pediatric CRISPR Cures in California. This new center, to be led by Fyodor Urnov, begins with the mission of developing customized genome-editing treatments for eight young patients with congenital metabolic and immune system disorders.

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Baby KJ is a symbol of hope — But is it replicable?

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The personalized editing therapy developed at record speed for the American newborn required preliminary studies, favorable circumstances, and a heroic collective effort.

After 307 days, little KJ Muldoon was discharged from the Children’s Hospital of Philadelphia (CHOP), wearing a tiny graduation outfit complete with a blue gown and cap. Born ten months ago with a severe metabolic disorder, the baby received a genome editing therapy developed exclusively for him, and his remarkable progress has been hailed by many as the dawn of a new era in precision medicine. A month after the publication of his case in the New England Journal of Medicine, we take a closer look at how researchers managed to develop the treatment in just six months—and whether this breakthrough could be replicated for other rare disease patients in need of life-saving therapies.

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Hi I’m JK, the first baby treated with a personalized CRISPR therapy

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The announcement was made yesterday at the annual meeting of the American Society of Gene & Cell Therapy and simultaneously published in the New England Journal of Medicine. I wrote about it for the Italian edition of Scientific American, but this story is worth seeing and reading.
PS: Before KJ was treated for his metabolic disorder, there was the case of Terry Horgan, who had muscular dystrophy. Unfortunately, the personalized treatment for him came too late, and he did not survive an adverse reaction. So yes, we can say that KJ represents a first: the first time genome editing was used early, rapidly, and tailored enough to truly offer hope for a happy ending.