So it was a regulatory escape hatch for highly experimental medicine and it didn't work out?
> The girl would be the first person in the world to receive a gene-editing therapy directed at the brain.
The first person to ever try something comes with risks...
And were those risks adequately communicated to the people taking them? According to the story, they weren't.
That's a Big Fucking Deal, and is absolutely a significant part of the story.
Was that in the headline?