Study to Evaluate Investigational Allogeneic Cell Therapy Product hOMSC300 for Treatment of Early to Moderate Stage Multiple System Atrophy (MSA)

Inclusion Criteria: * Patient was diagnosed with probable MSA-C (cerebellar) or MSA-P (parkinsonian) variant within 60 months of symptom onset (excluding impotence) * Subject can ambulate without the assistance of another person, defined as the ability to take at least 10 steps. Use of assistive devices is allowed * Patient cognitive state permits him to sign informed consent, according to the PI's clinical judgement, and MoCA \>= 24 Exclusion Criteria: * Pregnant women and women before menopause * Participants with a clinically significant or unstable medical or surgical condition that, in the opinion of the investigator, might preclude safe completion of the treatment or affect the treatment outcome. * Patients with thrombocytopenia, other bleeding diathesis or taking anticoagulant therapy (not including Aspirin up to 100mg per day) * Patients with known hypersensitivities to Plasmalyte, Gadolinium, Penicillin, and with general hypersensitivity to antibiotics * Patients who fulfill the criteria of Parkinson's Disease * History of electroconvulsive therapy * History of brain surgery