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Fresh human tumour cells from patients with ovarian cancer and chronic lymphocytic leukaemia were cultured in semipermeable hollow fibres. The fibres were implanted on immunocompetent rats, which were treated with the cyanoguanidine N-(4-chlorophenoxyhexyl)-N′-cyano-N″-4-pyridylguanidine (CHS 828). CHS 828 showed high antitumour activity against all eight tumour samples; the fibres from control animals...
CHS 828, a newly recognized pyridyl cyanoguanidine, has shown promising antitumor activity both in vitro and in vivo and is presently in early phase I clinical trial in collaboration with EORTC. In this study, the effects of CHS 828 and a series of analogues on extracellular acidification and cytotoxicity were compared with those of m-iodobenzylguanidine (MIBG) in human tumor cells. The extracellular...
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