Safety and Efficacy of Repeated Administration of NurOwn (MSC-NTF Cells) in Participants With Progressive MS

An open-label study with a single treatment arm involving 20 participants with progressive MS at multiple investigational study sites. After providing informed consent, participants meeting the inclusion and exclusion criteria will be randomized and approximately 4 weeks later will undergo a bone-marrow aspiration (BMA). Each participants will receive three Intrathecal cell transplantations within 16 weeks and will be followed for 12 weeks for safety and efficacy.