Two patients with severe autoimmune disease remain relapse-free for over 15 years after stem cell transplant (opens in new tab)

Neuromyelitis optica spectrum disorder (NMOSD) is a rare autoimmune condition in which the body's own defenses turn against the optic nerves and spinal cord. This confusion leads to inflammation that can rob people of their vision, disrupt something as basic as bladder or bowel control, and in some cases even cause paralysis of the arms and legs.