Abstract
A vital dye exclusion method following a 4 day tumor sensitivity assay was used to predict clinical response to chemotherapeutics in 16 patients with acute nonlymphoblastic leukemia (n = 12), acute lymphoblastic leukemia (n = 2), diffuse poorly differentiated lymphoma (n = 1) and oat cell carcinoma (n = 1). After 4 days of incubation, controls and drug-supplied cells were stained with fast green and hematoxylin-eosin. A tumor cell survival of 30% was used to distinguishin vitro resistance andin vitro sensitivity. Eight patients responded and five did not respond to the chemotherapy protocol. This agreed with thein vitro results. Two patients who were sensitivein vitro responded only partiallyin vivo but two additional patients sensitivein vitro did not respond. These results indicate that this short-term method may give a simple estimation of drug resistance.
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Beksac, M., Kansu, E., Kars, A. et al. A rapid drug sensitivity assay for neoplasmatic cells. Med. Oncol. & Tumor Pharmacother. 5, 253–257 (1988). https://doi.org/10.1007/BF03003193
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DOI: https://doi.org/10.1007/BF03003193