Intravenous Vesicular Stomatitis Virus in Patients With Peripheral T-cell Lymphoma

This study is testing a virus-based cancer therapy — vesicular stomatitis virus (VSV), given through an IV — in patients with a type of blood cancer called peripheral T-cell lymphoma (PTCL) that has come back or stopped responding to treatment. The virus is designed to selectively attack and destroy cancer cells. **You may be eligible if...** - You are 18 years or older - You have been diagnosed with relapsed or refractory peripheral T-cell lymphoma (PTCL-NOS, anaplastic large cell lymphoma, or mycosis fungoides) - Your liver enzymes, kidney function, and blood clotting are within acceptable ranges **You may NOT be eligible if...** - Your liver enzymes (ALT/AST) are significantly elevated - Your kidney function (creatinine) or bilirubin levels are too high - You have serious blood clotting abnormalities Talk to your doctor to see if this trial is right for you.