RT Book, Section A1 Freeman, Brian S. A2 Freeman, Brian S. A2 Berger, Jeffrey S. SR Print(0) ID 1102570106 T1 Immunosuppressive and Antirejection Drugs T2 Anesthesiology Core Review: Part One Basic Exam YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 9780071821377 LK accessanesthesiology.mhmedical.com/content.aspx?aid=1102570106 RD 2024/03/29 AB Patients who receive organ transplants from a donor who is genetically different must receive immunosuppressive drug therapy to prevent or treat rejection of the transplanted organ. These agents dampen the immune response triggered by the foreign antigen. Graft rejection reactions are classified according to the time course after transplantation: within the first 24 hours (hyperacute), in the first few weeks (acute), or months to years later (chronic).