Doctors are testing an experimental brain cell implant to help people with Parkinson's disease regain their ability to move. Researchers at Keck Medicine of USC are running an early-stage clinical trial to study the procedure. During the study, scientists graft lab-grown stem cells directly into the part of the brain that controls physical movement. These specific cells are designed to produce dopamine.

The team hopes these transplanted cells will restore the brain's natural dopamine production. If successful, the treatment could slow the spread of the disease and help patients move more easily. The trial includes 12 participants who will receive the therapy, known as RNDP-001, which is manufactured by Kenai Therapeutics.