Email this page To: From: Subject: Message: Serious side effects of CAR T-cell therapy - CAR T-cell therapy is a type of cancer treatment. This information tells you about 2 possible side effects of this treatment. These side effects are serious, and they can be dangerous. - https://www.stjude.org/treatment/patient-resources/caregiver-resources/patient-family-education-sheets/bone-marrow-stem-cell-transplant/serious-side-effects-of-car-t-cell-therapy.html A summary of this page will be sent along with your message I am a referring physician Yes, I would like to receive email updates. Send Email Your message has been emailed successfully. Thank you for your interest in St. Jude Children's Research Hospital.