SynKIR-310 for Relapsed/Refractory B-NHL

This study is testing a new cell therapy called SynKIR-310 for people with B-cell non-Hodgkin lymphoma (B-NHL) whose cancer has come back or stopped responding to previous treatments. **You may be eligible if...** - You are 18 or older with confirmed B-cell non-Hodgkin lymphoma - Your cancer has returned or stopped responding after at least 2 prior treatments - You have received or were unable to receive CAR T-cell therapy before - If you had a stem cell transplant, it was at least 6 months ago and you have no active graft-versus-host disease - You have measurable disease on imaging **You may NOT be eligible if...** - You have active serious infections or uncontrolled autoimmune disease - You have active hepatitis B or C - You have major organ failure or other conditions that would make participation unsafe Talk to your doctor to see if this trial is right for you.