REGULATE RA SBT-77-701 Engineered Treg cell in Refractory RA population 6patients Safety and tolerability: No DLT, CRS or ICANS Efficacy Reduction >50% in TJC and SJC 67% reduction of DAS-CRP >=2 stained up to wk 24 Impressive in pts for whom it works, yet a couple seem to https://t.co/lQAQABPhg0