Immunotherapy of Human Tumors

Approach Agent Mechanisms

Adaptive -Transfer factor transfers specific

- lymphocytes (LAK cells) immunity

- immune RNA

Mediators and - lymphokines (interferon, increases immune

hormonal interleukin 2 and LAK response

cells)

- thymosin

Passive - antibodies (monoclonal) direct effect on tumor

unmodified or coupled

- plasmapheresis removal of inhibitory

factors (tumor antigens,

immune complexes)

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