Purpose: This open-label, multi-center phase II study investigated the efficacy and safety of the combination of 5-fluorouracil (5-FU)/folinic acid (FA) plus gemcitabine (GFF) in patients with advanced pancreatic cancer. The study is based on our completed dose finding phase I trial.
Methods: A total of 90 patients (pts) were recruited between 02/2000 and 04/2002 to receive 5-FU 750 mg/m(2) (24 h, i.v.), FA 500 mg/m(2) (2 h, i.v.) and gemcitabine 1,000 mg/m(2) (30 min, i.v.) on days 1, 8, 15, and 22. Treatment was repeated on day 43 until disease progression. The primary objective was the 1-year survival rate. The trial was conducted in compliance with the Declaration of Helsinki.
Results: The 1-year survival rate was 25% [95% CI: 16-34], median overall survival was 6.8 months [95% CI: 5.13-8.45], 9 patients showed partial responses (PR) so that the overall response rate was 10.3%. Overall control rate (PR + stable disease for at least 6 months) was 56%. Median time to progression was 4.6 months [95% CI: 3.68-5.52]. In 402 GFF cycles, we observed adverse events grade 3 in up to 10% of patients and grade 4 below 5% of patients.
Conclusions: The GFF combination appears to be effective and well tolerated. This intravenous regimen represents an intensified therapy with low frequency of toxicities and seems to be convenient for patients who are unable to get oral anti-neoplastic medication. After these encouraging results, the German CONKO-002 trial investigated the GFF regimen versus single-agent gemcitabine.
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