Publisher Summary Immunologic manipulations to control tumor growth can essentially be
divided into passive and active categories. Passive immunotherapy refers to approaches in
which immunologic reagents, such as serum, cells, or cell products that are thought to have
antitumor activity, are administered to a tumor-bearing host. This chapter reviews recent
studies of the use of passive immunotherapy for the treatment of cancer in animals and man.
Immune depression in cancer patients has been well documented and attempts to actively …