Background: To date, gemcitabine (GEM) remains the cornerstone of chemotherapy (CHT) for APC. According to GERCOR and GISCAD phase III trials the combination of GEM and oxaliplatin (GEMOX) has proven superior to GEM alone in terms of response rate (RR), time to progression (TTP) and clinical benefit rate (CBR). Methods: We conducted a retrospective analysis on 19 patients (pts) affected with histologically-confirmed APC, in order to determine the impact of GEMOX as first-line chemotherapy in terms of objective responses (OR) and TTP, using the Kaplan-Meier method. Among the 19 pts considered there were 15 males and 4 females (median age at diagnosis of 60.84 yrs; ECOG 0-2). The staging, according to AJCC criteria, was: IIB in 1 case, III in 5 cases and IV in the 13 remaning cases. The only metastatic site was the liver (in 13/19 pts). Ten of the 19 pts underwent surgical treatment prior to CHT: 2 radically resected (R0) subsequently treated with GEMOX after recurrence, 4 with positive margins (R1) and 4 surgically palliated. All pts received GEM 1000 mg/m2/d1 + oxaliplatin 100 mg/m2/d2 every 2 weeks. The median number of cycles was 5.89. Results: Among the 19 pts, 3 had a partial response (PR, 15.69%), 6 had stable disease (SD, 31.57%); no complete response was observed and 10 pts had progressive disease (PD, 52.63%). The overall disease control rate (DCR: PR + SD) was 47.37% while the OR were 15.69%. The median survival observed was 9.03 months (95% C.I. 5.15-12.91) and the median TTP was 6.13 months (95% C.I. 2.81-9.46). The main toxicities were: leuco-piastrinopenia, diarrhoea, nausea, fever and peripheral neuropathy; 3 pts discontinued the treatment due to grade 3-4 neurotoxicity. Conclusions: In our experience GEMOX gives an improved control of APC in terms of OR and TTP, with acceptable toxicity. The OS is in accordance to literature as well as the other data.

GEMOX AS FIRST-LINE CHEMOTHERAPY IN ADVANCED PANCREATIC CANCER (APC): A MONOINSTITUTIONAL EXPERIENCE

DI MARCO, MARIACRISTINA;MACCHINI, MARINA;DI CICILIA, ROBERTO;NOBILI, ELISABETTA;BIASCO, GUIDO
2008

Abstract

Background: To date, gemcitabine (GEM) remains the cornerstone of chemotherapy (CHT) for APC. According to GERCOR and GISCAD phase III trials the combination of GEM and oxaliplatin (GEMOX) has proven superior to GEM alone in terms of response rate (RR), time to progression (TTP) and clinical benefit rate (CBR). Methods: We conducted a retrospective analysis on 19 patients (pts) affected with histologically-confirmed APC, in order to determine the impact of GEMOX as first-line chemotherapy in terms of objective responses (OR) and TTP, using the Kaplan-Meier method. Among the 19 pts considered there were 15 males and 4 females (median age at diagnosis of 60.84 yrs; ECOG 0-2). The staging, according to AJCC criteria, was: IIB in 1 case, III in 5 cases and IV in the 13 remaning cases. The only metastatic site was the liver (in 13/19 pts). Ten of the 19 pts underwent surgical treatment prior to CHT: 2 radically resected (R0) subsequently treated with GEMOX after recurrence, 4 with positive margins (R1) and 4 surgically palliated. All pts received GEM 1000 mg/m2/d1 + oxaliplatin 100 mg/m2/d2 every 2 weeks. The median number of cycles was 5.89. Results: Among the 19 pts, 3 had a partial response (PR, 15.69%), 6 had stable disease (SD, 31.57%); no complete response was observed and 10 pts had progressive disease (PD, 52.63%). The overall disease control rate (DCR: PR + SD) was 47.37% while the OR were 15.69%. The median survival observed was 9.03 months (95% C.I. 5.15-12.91) and the median TTP was 6.13 months (95% C.I. 2.81-9.46). The main toxicities were: leuco-piastrinopenia, diarrhoea, nausea, fever and peripheral neuropathy; 3 pts discontinued the treatment due to grade 3-4 neurotoxicity. Conclusions: In our experience GEMOX gives an improved control of APC in terms of OR and TTP, with acceptable toxicity. The OS is in accordance to literature as well as the other data.
JOP J Pancreas (Online)
804
805
M.Di Marco ;M. Macchini; R. Di Cicilia ; E. Nobili ; G. Biasco
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11585/72837
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