Expanding from the classic use of immunosuppressants in transplantation and rejection, this current overview highlights their new roles in clinical medicine. Immunosuppressants are at the forefront of new treatment modalities. Individual chapters focus on their use not only in prevention or treatment of transplant rejection, but also on their use in immune-complex and autoimmune diseases, including rheumatoid arthritis; on combination therapies to achieve synergy in immunosuppression; on new drugs, low molecular weight chemicals, the use of antibodies and gene therapy; on immunological...