Combination chemotherapy for islet cell carcinoma and metastatic carcinoid tumors with 5-fluorouracil and streptozotocin.

The results of combination chemotherapy with intermittent courses of 5-fluorouracil and streptozotocin in ten patients with metastatic carcinoid tumors and in eight patients with islet cell carcinoma are reported. Objective responses occurred in two of ten and in two of seven evaluable patients respectively. Biochemical responses occurred in an additional two patients with carcinoid. No improvement over single-agent chemotherapy and no effects on survival were noted.