Therapy dogs were used in a 2014 study measuring their impact on pediatric oncology patients. One child in the study, 5-year old Bryce with leukemia, would meet with a therapy dog named Swoosh for 20 minutes before appointments. Swoosh helped distract Bryce from his treatments. Immunotherapy is a new treatment for relapsed acute lymphoblastic leukemia showing a 93% remission rate. T cells are taken from patients and reengineered to recognize cancer, then reinfused. Teddy bears are known to comfort sick children, and a teddy bear named T-Bear visits patients at Seattle Children's Hospital to provide hope.