Etuvetidigene Autotemcel is a new therapeutic agent designed for the treatment of Wiskott-Aldrich syndrome, a rare genetic disorder affecting the immune system. The study was published in the New England Journal of Medicine in September 2026. Wiskott-Aldrich syndrome is an inherited condition characterized by immune cell dysfunction and increased risk of infectious complications. Etuvetidigene Autotemcel represents a new treatment option for this serious disorder. The research was published in issue 12 of volume 395 of the prestigious medical journal. This therapy opens new perspectives in the treatment of genetic immune system disorders.