The first infant to undergo gene-editing therapy has accomplished another first — his first steps. KJ Muldoon is walking and getting ready to spend Christmas at home after being hospitalized last ...

Today, he is learning to walk at home with his family. His first steps follow a medical first that changed the course of his life. Earlier this year, physicians at the Children’s Hospital of ...

KJ Muldoon received a groundbreaking new treatment earlier this year. The baby saved from a rare disease by a first-ever personalized gene fix has reached a big milestone, taking his first steps ahead ...

KJ Muldoon, the first infant to undergo gene-editing therapy, has accomplished another first as a 1-year-old — his first steps KJ is walking at home ahead of Christmas after being hospitalized last ...

A 16-month-old boy, KJ Muldoon, took his first steps after receiving a groundbreaking, personalized CRISPR gene-editing therapy for a rare genetic disorder. This experimental treatment, the first of ...