Testing a new cell therapy for autoimmune diseases affecting the immune system

This trial is testing a new treatment called FT819, which uses specially engineered cells to help control the immune system in people with certain autoimmune diseases. The study will examine whether FT819 is safe and whether it can reduce the activity of B cells — immune cells that mistakenly attack the body in autoimmune conditions. Researchers will test the treatment in different doses and combinations to find the safest and most effective approach.

People with severe autoimmune diseases often don't respond well to standard treatments, leaving them with few options. This medication represents a new approach using cell therapy, which may work differently than traditional medicines and offer hope for patients whose disease hasn't improved with other treatments.