PALA versus streptozotocin, doxorubicin, and MeCCNU in the treatment of patients with advanced pancreatic carcinoma

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Journal Article
Investigational New Drugs, 1998, 16 (4), pp. 315 - 318
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Seventy-three eligible, chemotherapy-naive, ambulatory patients with advanced pancreatic carcinoma were allocated to one of two treatment regimens: 35 received PALA (1250 mg/m2 daily x 5 every 4 weeks) and 38 were given SAM (streptozotocin 400 mg/m2 IV daily x 5, doxorubicin 45 mg/m2 IV on day 1 and 22, and methyl CCNU 60 mg/m2 orally on days 1 and 22 every 6 weeks). Doses were modified for myelo-, gi-, or cardiotoxicity. Adequate organ, bone marrow and cardiac function; a measurable lesion; adequate caloric intake; and a life expectancy of 2 months were required for treatment on this trial. One patient on each regimen had a partial response for response rates of 3% (95% confidence intervals, 0.08 to 17%). Median survival on the PALA arm was 5 months and median time to treatment failure was 2.6 months. SAM patients experienced median overall and progression free survivals of 3.4 and 1.9 months, respectively. The severe toxicity observed was almost exclusively myelosuppression on both regimens. One patient receiving SAM had lethal leukopenic sepsis during the first cycle as the only treatment-related death. Neither PALA nor SAM offer any therapeutic utility to patients with advanced pancreatic cancer.
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