This Gene Therapy Could Help Treat Blindness
- Trial results for Spark Therapeutics therapy shown in Paris
- Eye medicine could become first FDA-approved gene therapy drug
This article is for subscribers only.
A gene therapy maker showed this week it could make blind children and adults see. But the big question left is how long the effect will last.
Much depends on the answer, including how much the company can charge for the drug -- a price tag some say could be more than $1 million a patient.