KJ Muldoon became the first patient to undergo personalized CRISPR treatment, a therapy that found the one uniquely mutated gene out of 20,000 in his little body, and fixed it.

The technique used on a 9½-month-old boy with a rare condition has the potential to help people with thousands of other ...

Thirty-year-old Adriana Smith, who is brain dead, has been kept on a ventilator for months due to Georgia’s abortion ban.

A baby known as KJ is the first person in the world to receive a customized CRISPR therapy designed to fix a specific ...

KJ received the bespoke CRISPR treatment 6.5 months after birth, receiving three infusions of the therapy as of April 2025.

A baby born with a rare and dangerous genetic disease is thriving after getting an experimental gene editing treatment made ...

A blood test revealed toxic levels of ammonia building up in KJ’s body, threatening to damage his brain — a sign of an ...