Laru-zova met its primary goal in the pivotal VISTA trial: 31% of high-dose patients gained three or more lines of dim-light vision, versus none in the control group. It is the first XLRP gene therapy to win a late-stage trial.

Four-year data for AMT-130 show high-dose patients losing everyday function 61% more slowly than matched untreated patients, but a key composite score weakened. Here's what the results mean as the FDA reviews uniQure's application.

The FDA approved Ultragenyx's Fayuvi (UX111), an AAV9 gene therapy and the first treatment of any kind for Sanfilippo syndrome type A, often called childhood Alzheimer's. Here's how it works and what the data showed.