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LBA4001 Background: FOLFIRINOX is more effective than gem as first-line treatment in metastatic pancreatic cancer for patients (pts) with good performance status. This trial assessed the benefit of mFOLFIRINOX in the adjuvant setting. Methods: PRODIGE 24/CCTG PA.6 is a phase III multicenter, randomized clinical trial. Pts aged 18-79 years with histologically proven pancreatic ductal adenocarcinomas, 21-84 days after R0 or R1 resection, WHO PS ≤1, adequate hematologic and renal function, and no cardiac ischemia, were eligible. Randomization was stratified by center, pN, R margin status, and post-operative CA 19-9 level (≤ 90 U/mL vs 91-180). Arm A pts received 28-day cycles of gem on days 1, 8, and 15 for 6 cycles. Arm B pts received mFOLFIRINOX (oxaliplatin 85 mg/m², leucovorin 400 mg/m², irinotecan 150 mg/m² D1, and 5-FU 2.4 g/m² over 46 h) every 14 days for 12 cycles. Primary endpoint was disease-free survival (DFS). Secondary endpoints were overall survival (OS), metastasis-free survival (MFS), and adverse events (AE). 490 pts were required to observe 342 events to show a gain in 3-year DFS from 17% to 27% (HR = 0.74) with a two-sided α = 0.05 and 80% power. Hazard ratios (HR) and 95% CI were estimated by a stratified Cox proportional hazard model. We observed 91.5% of the events required. The IDMC approved early ITT analysis before March 15, 2018. Surgical procedures, pathology and postoperative CT scans reports were centrally reviewed. Results: From Apr 2012 to Oct 2016, 493 pts were enrolled in 77 centers: Arm A/B: 246/247. With a median follow up of 30.5 months [m] (95% CI, 29.5-33.7), median DFS was 12.8 (95% CI, 11.7-15.2) in Arm A vs 21.6 m (95% CI, 17.5-26.7) in Arm B, HR = 0.59 (95% CI, 0.47-0.74). The median OS (Arm A/B) was 34.8 (95% CI, 28.6-43.8) vs 54.4 m (95% CI, 41.5- --), HR = 0.66 (95% CI, 0.49-0.89). The median MFS (Arm A/B) was 17.7 (95% CI, 14.2-21.7) vs 30.4 m (95% CI, 21.6- --), HR = 0.59 (95% CI, 0.46-0.76). Grade 3-4 AE (Arm A/B) were reported in 51.1% vs 75.5%, including 12% grade 4 in each arm, with a toxic death in Arm A. Conclusion: Adjuvant mFOLFIRINOX is safe and significantly improves DFS, MFS and OS compared to gem. Clinical trial information: NCT01526135.

Intra-arterial injection of radioactive Lipiodol has shown promising results in patients with hepatocellular carcinoma (HCC) and portal obstruction. The aim of this prospective, randomized trial was to compare the efficacy and tolerance of 131I-labeled Lipiodol and chemoembolization for the treatment of patients with HCC. From September 1990 to September 1993, 142 patients (135 men, 7 women; age: 65 +/- 6.6 years) were randomly assigned to treatment groups and given either intra-arterial injections of 131I-labeled Lipiodol (60 mCi; 2.2 GBq) (n = 73) or chemoembolization (70 mg cisplatin) (n = 69). Subsequent injections were given at 2, 5, 8, 12, and 18 months. Tumor response was assessed on the basis of tumor size and serum alpha-fetoprotein levels. Patient tolerance was assessed clinically and angiographically. Survival rate was the main end-point. A total of 129 patients (65 in the 131I-labeled Lipiodol group and 64 in the chemoembolization group) were available for analysis; 13 were excluded, mainly because of portal vein thrombosis. The two groups were comparable. Actuarial survival curves were not significantly different between the two groups. Overall survival rates at 6 months, 1, 2, 3, and 4 years were 69%, 38%, 22%, 14%, and 10%, and 66%, 42%, 22%, 3%, and 0% in the 131I-labeled Lipiodol and chemoembolization groups, respectively. Reduction in tumor size was similar for the two groups, with complete response in 1 and 0 patients and partial response in 15 and 16 patients in the 131I-labeled Lipiodol and chemoembolization groups, respectively. Tolerance was significantly better in the 131I-labeled Lipiodol group both clinically (3 severe side effects vs. 29 in the chemoembolization group; P < .001) and angiographically (1 arterial thrombosis vs. 10 in the chemoembolization group; P < .01). In terms of patient survival and tumor response, radioactive 131I-labeled Lipiodol and chemoembolization were equally effective in the treatment of HCC, but tolerance to 131I-labeled Lipiodol was significantly better.

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PurposeGemcitabine is the standard chemotherapy for patients with metastatic pancreatic adenocarcinoma. Although the 5-fluorouracil (5FU), folinic acid and cisplatin combination (LV5FU2-CDDP) is an option, the optimal order of the regimens must be determined. The first strategic phase III trial comparing LV5FU2-CDDP followed by gemcitabine versus gemcitabine followed by LV5FU2-CDDP was conducted.MethodsPatients with metastatic pancreatic adenocarcinoma, performance status (PS) 0–2, without prior chemotherapy were randomly assigned (1:1) to receive either LV5FU2-CDDP followed by gemcitabine at disease progression or toxicity (Arm A), or the opposite sequence (Arm B). 202 patients had to be included and 170 deaths had to be observed to detect an expected improvement in median overall survival (OS) from 6.5 to 10 months in Arm A (two-sided α = 5% and β = 20%).Results202 patients were included (Arm A, 102; Arm B, 100). Median age, male/female ratio, PS 0–1 and previous surgery were similar in the two arms. After a median follow-up of 44 months, median OS in Arm A was 6.6 months versus 8.0 months in Arm B (p = 0.85). Median progression-free survival was similar between Arms A and B. More grade 3/4 toxicities were observed when LV5FU2-CDDP was administered as a first-line treatment compared with gemcitabine: 79% versus 64% (p = 0.018).ConclusionThis trial did not show any strategic advantage to using LV5FU2-CDDP as a first-line treatment and suggests that gemcitabine remains the standard first-line treatment. Sixty-one per cent of patients were able to receive a second line of chemotherapy.

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