Non-interventional, multi-center, long-term follow-up study of subjects previously treated with a Mustang Bio CAR-T cell investigational product in a Mustang Bio sponsored clinical study. Subjects who enroll will be monitored for a total of up to 15 years from the time of their last investigational product infusion.
A long-term follow-up study to assess safety and efficacy in patients previously treated with Mustang Bio chimeric antigen receptor (CAR)-T cell investigational products.