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Cancer. 1975 Jan;35(1):91-7.

Adjuvant therapy of cancer via the cellular immune mechanism or fibrin by induced fibrinolysis and oral anticoagulants.


The value of the oral anticoagulant warfarin sodium and fibrinolytic agents is discussed in relation to cancer surgery. A controlled trial of 128 patients showed that in a variety of recurrent cases the addition of warfarin to chemotherapy doubled the 2-year survival rate. The best results were obtained in postmenopausal patients with breast cancer. Warfarin depresses cellular immune responses which might militate against its use for cases undergoing "curative" surgery. Instead, induction of fibrinolysis by streptokinase or Brinase is suggested, because it increases the activity of the cellular immune mechanism. The results to date of an ongoing controlled randomized trial of streptokinase with surgery of tumors of the large bowel are presented, showing that the trends are in favor of streptokinase therapy; however, insufficient time has elapsed to make it, as yet, statistically significant. The action of streptokinase-induced plasmin and Brinase on lymphocytes is described.

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