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Comparison of the antitumor effects of a synthetic biopolymer and standard adjuvants.

Falk, R E; Makowka, L; Nossal, N A; Rotstein, L E; Falk, J A.
Surgery; 88(1): 126-36, 1980 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-6992317
The synthetic biopolymer NED 137 is capable of stimulating an immune response to tumor antigen. This article compares the efficacy of NED 137 to bacille Calmette-Guerin, Corynebacterium parvum, pyran, levamisole, and Freund's complete adjuvant in a rat tumor model where adjuvant treatment is administered after excision of subcutaneous tumor implants. A single intraperitoneal injection of NED 137 at 30 mg/kg body weight prolonged survival beyond 60 days with no evidence of recurrent or metastatic disease, whereas with the other adjuvants, animals survived a mean of 30 to 40 days with 100% local recurrence and a 60% to 90% incidence of pulmonary metastases. Use of NED 137 resulted in a greater lysis of tumor cells compared to other adjuvants when assessed in an in vivo 51Cr release assay. A phase I clinical study of high-risk gastrointestinal cancer patients treated with NED 137 is reported at a median survival time of 23 weeks (103 patients). This group is compared to a historical control group from the same institution. No NED 137-related toxicity has been noted to date.