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Phase II trial of CPT-11 in patients with advanced pancreatic cancer, an EORTC early clinical trials group study
D J Wagener1, H E Verdonk, L Y Dirix
1Department of Medical Oncology, University Hospital Nijmegen, The Netherlands.
Background:
CPT-11 (irinotecan) is a semi-synthetic derivative of camptothecin and exerts its activity by inhibiting DNA topoisomerase I. A phase II study of this drug was performed in patients with pancreatic cancer.
Patients And Methods:
Eligibility criteria included advanced non-chemotherapy-pretreated pancreatic cancer. CPT-11 was administered as a 30-minute i.v. infusion at a dose of 350 mg/m2 diluted in 250 ml normal saline every 3 weeks.
Results:
Thirty-four eligible patients were enrolled in the study, thirty-two of them were evaluated, and three achieved partial responses (9%; 95% C.I. = 3%-25%). The duration of response was 7.2, 7.5 and 7.8 months, respectively. Thirteen patients had no change, fourteen patients had progressive disease and two had early progressive disease. The median duration of survival for all patients treated was 5.2 months. The main toxicities (CTC grade > or = 3) were diarrhea, leukocytopenia, asthenia, nausea and vomiting in, respectively, 7%, 16%, 8%, 6%, 4% of the courses. These toxicities were reversible and manageable with anti-emetics and prophylactic or curative antidiarrheal agents.
Conclusion:
CPT-11 is an interesting moderately effective drug in pancreatic cancer.
