5‐FU versus combination therapy with tubercidin, streptozotocin, and 5‐Fu in the treatment of pancreatic carcinomas: COG protocol 7230

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Abstract
From May 1972 until May 1976, 105 patients were entered on Central Oncology Group protocol 7230 to compare the combination of streptozotocin, tubercidin, and 5‐fluorouracil (5‐FU) versus 5‐FU alone in the treatment of adenocarcinoma and islet cell carcinoma of the pancreas. Twenty‐nine were not evaluable. Thirty‐six evaluable cases received 5‐FU, and 40 received the combination, with no significant difference in time to progression or survival. Toxicity in the two regimens was somewhat different but was essentially similar in magnitude. Results indicate no benefit in the treatment of adenocarcinoma of the pancreas with the three‐drug combination over 5‐FU alone. All of the islet cell tumor patients benefited from the combination by response or arrest of progression of disease. Further study should be directed toward the use of this combination in the treatment of functioning and non‐functioning islet cell tumors of the pancreas.