Short-term results of combined radioimmunotherapy in inoperable lung cancer.
1976
Fifty-three inoperable lung cancer patients were treated with radiotherapy combined with immunostimulation with BCG. A good response was obtained in 30 patients (56 %); the results were not significantly different than those obtained with a control group of 50 lung cancer patients matched by age, sex and stage of the disease (24 out of 50 = 46 %). These short-term results were compared with the immunologic « status » of patients evaluated before treatment by the parameters monitoring in vivo and in vitro delayed type hypersensitivity. The good response to therapy was documented in a higher percentage of patients with positive skin tests to recall and standard antigens and with normal values of lymphocyte transformation with PHA and Rosette E-forming cells, in comparison with patients with low levels of immunocompetence. An impairment of the cell-mediated immune response was found after combined therapy, presumably due to radiotherapy. BCG was not able to restore the patient's immunocompetence, no effect o...
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