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Genetic Linkage

Rare Disease Day 2021: Gene Therapy Ups and Downs, Again

I can't believe it's been a decade since I researched and wrote The Forever Fix: Gene Therapy and the Boy Who Saved It. Since then I've shared stories of other families doing amazing things to help researchers develop treatments for their loved ones' rare diseases. The need is all the more compelling in these days of the pandemic.

 

Now entering its fourth decade, gene therapy continues along what seems at times a never-ending rocky road, riding the waves of fantastic success and plunging setbacks.

 

A Slow Start

 

The US has approved just two gene therapies. Luxturna has provided vision to patients with a form of retinal blindness (the basis of The Forever Fix), while Zolgemsa treats spinal muscular atrophy, a disease typically lethal in young children.

 

The latest in a series of setbacks, beginning in 1999 with the death of 18-year-old Jesse Gelsinger, came just yesterday. The FDA placed a clinical hold on two gene therapy trials for sickle cell disease, following reports of blood cancer in two trial participants. But that's not all.

 

To continue reading, go to DNA Science, where this post first appeared.

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As Blindness Gene Therapy Nears the FDA Finish Line, A Shout-Out to Activist Families

(NHGRI)
On a spectacular September Sunday in 2008, 8-year-old Corey Haas, using his cane and holding his mother’s hand, stepped tentatively forward on the pathway leading into the Philadelphia zoo. Hearing kids yelling about the giant balloon hanging above the zoo, he looked up – and screamed. It was the first time he’d seen the sun. Corey was headed toward certain blindness when he’d had gene therapy at Children’s Hospital of Philadelphia, just days earlier.

So begins the talk I’ve given many times since publication of my book, "The Forever Fix: Gene Therapy and the Boy Who Saved It.

Last Thursday, I was glued to my laptop, watching and listening to physicians, researchers, family, and patients present their cases for FDA approval of
Luxturna (voretigene neparvovec), the gene therapy that Corey, now a high school senior, received. He and dozens of others participating in several clinical trials can now see, thanks to the gene therapy for RPE65-mediated inherited retinal dystrophy. The treatment introduces functioning genes into the thin layer of pigmented cells that hugs the rods and cones – one time. Read More 
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