Vehicle Controlled Placebo

A Randomized, Double-Blind, Placebo-Controlled Dose-Escalation Study to Determine the Safety and Efficacy of Intravenous Infusion of Human Placenta-Derived Cells (PDA001) for the Treatment of Crohn's Disease

Study of Human Placenta-derived Cells (PDA001) to Evaluate the Safety and Effectiveness for Patients With Active Rheumatoid Arthritis