Pancreas Cancer Clinical Trial
Official title:
A Randomized Phase II Study of Gemcitabine Versus Reduced-dose Combination Chemotherapy in Fragile Patients With Non-resectable Pancreatic Cancer
The aim of the study is to compare the efficacy and toxicity of full-dose Gemcitabine and reduced-dose combination chemotherapy in patients with non-resectable pancreatic cancer, who are unfit for full-dose combination chemotherapy. The patients will be equally randomized to arm A or arm B: Arm A: Full-dose single agent treatment with Gemcitabine 1000 mg/m2 weekly on days 1, 8,and 15 every 4 weeks. Arm B: Reduced-dose (80%) combination-treatment with Gemcitabine plus Nab-Paclitaxel (Gemcitabine: 800 mg/m2 plus Nab-Paclitaxel: 100 mg/m2 on day 1, 8 and 15 every 4 weeks) Progression-free survival, overall survival and response rate will be estimated for each group, as well as toxicity and quality of life will be prospectively registered.
According to guidelines the recommended treatment for patients with non-resectable pancreatic cancer (PC) is combination chemotherapy, whereas old and/or fragile patients can be offered Gemcitabine monotherapy, if they are fit for treatment. Phase III trials show improved effect of combination chemotherapy compared to Gemcitabine, but these trials were restricted to fit patients younger than 75 years of age, as full-dose combination chemotherapy is more toxic. Studies in colorectal cancer and a post-hoc analysis of Gemcitabine plus Nab-Paclitaxel in PC suggest that reduced-dose of combination chemotherapy may be more efficient in terms of progression-free survival and less toxic as compared to monotherapy in elderly and/or frail patients, but reduced start-dosing of GemNab is not currently labelled. Moreover, a recent Danish register-based study showed that more use of combination chemotherapy at oncological departments was associated with improved outcome of patients with PC. Elderly and frail patients with PC are in great need of better treatment results. Hence, a comparative study of reduced-dose combination chemotherapy is warranted and may be practice changing. The aim of the study is to compare the efficacy and toxicity of full-dose Gemcitabine and reduced-dose combination chemotherapy in patients with non-resectable PC, who are unfit for full-dose combination chemotherapy. The study is a national multicenter prospective randomized phase II trial, endorsed by the Danish Pancreas Cancer Group (DPCG). 98 patients with non-resectable PC, unfit for full-dose combination chemotherapy, but eligible for first-line chemotherapy, will be included. The patients will be equally randomized to arm A or arm B: Arm A: Full-dose single agent treatment with Gemcitabine 1000 mg/m2 weekly on days 1, 8 and 15 every 4 weeks. Arm B: Reduced-dose (80%) combination-treatment with GemNab (Gemcitabine: 800 mg/m2 plus Nab-Paclitaxel: 100 mg/m2 on day 1, 8 and 15 every 4 weeks). Progression-free survival, overall survival and response rate will be estimated for each group, as well as toxicity and quality of life will be prospectively registered. ;
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