Protocol digest of randomized phase II study of modified FOLFIRINOX versus gemcitabine plus nab-paclitaxel combination therapy for locally advanced pancreatic cancer: Japan clinical oncology group study (JCOG1407).
Gemcitabine is one of the standard treatments for locally advanced pancreatic cancer. Recent studies on metastatic pancreatic cancer have shown that combination chemotherapy with oxaliplatin, irinotecan, fluorouracil, and leucovorin (FOLFIRINOX) and gemcitabine plus nab-paclitaxel (GnP) prolonged the overall survival compared with gemcitabine alone. To select the most promising chemotherapy, a randomized phase II selection design trial was started in July 2016 to compare between modified FOLFIRINOX and GnP for patients with locally advanced pancreatic cancer. A total of 124 patients will be enrolled from 36 Japanese institutions within 2.5 years. The primary endpoint is the proportion of 1-year overall survival, and secondary endpoints are progression-free survival, distant metastasis-free survival, response rate in patients with target lesions, CA19-9 response, adverse events, treatment-related death, early death, grade 4 non-hematological toxicity, and dose intensity. This trial has been registered with the UMIN Clinical Trials Registry [http://www.umin.ac.jp/ctr/index.htm], and the registration number is UMIN000023143.
Mizusawa J
，Fukutomi A
，Katayama H
，Ishii H
，Ioka T
，Okusaka T
，Ueno H
，Ueno M
，Ikeda M
，Mizuno N
，Ozaka M
，Fukuda H
，Furuse J
，Hepatobiliary and Pancreatic Oncology Group of the Japan Clinical Oncology Group
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Nab-paclitaxel plus gemcitabine versus nab-paclitaxel plus gemcitabine followed by FOLFIRINOX induction chemotherapy in locally advanced pancreatic cancer (NEOLAP-AIO-PAK-0113): a multicentre, randomised, phase 2 trial.
The optimal preoperative treatment for locally advanced pancreatic cancer is unknown. We aimed to compare the efficacy and safety of nab-paclitaxel plus gemcitabine with nab-paclitaxel plus gemcitabine followed by fluorouracil, leucovorin, irinotecan, and oxaliplatin (FOLFIRINOX) as multidrug induction chemotherapy regimens in locally advanced pancreatic cancer.
In this open-label, multicentre, randomised phase 2 study, done at 28 centres in Germany, eligible patients were adults (aged 18-75 years) with an Eastern Cooperative Oncology Group performance status of 0 or 1 and histologically or cytologically confirmed, treatment-naive locally advanced pancreatic adenocarcinoma, as determined by local multidisciplinary team review. After two cycles of nab-paclitaxel 125 mg/m2 plus gemcitabine 1000 mg/m2 (administered intravenously on days 1, 8, and 15 of each 28-day cycle), patients without progressive disease or unacceptable adverse events were randomly assigned (1:1) to receive either two additional cycles of nab-paclitaxel plus gemcitabine (nab-paclitaxel plus gemcitabine group) or four cycles of sequential FOLFIRINOX (oxaliplatin 85 mg/m2, leucovorin 400 mg/m2, irinotecan 180 mg/m2, fluorouracil 400 mg/m2 by intravenous bolus followed by a continuous intravenous infusion of 2400 mg/m2 for 46 h on day 1 of each 14-day cycle; sequential FOLFIRINOX group). Randomisation was done by the clinical research organisation on request of the trial centre using a permuted block design (block size 2 and 4). Patients, investigators, and study team members were not masked to treatment allocation. The primary endpoint was surgical conversion rate (complete macroscopic tumour resection) in the randomised population by intention-to-treat analysis, which was assessed by surgical exploration in all patients with at least stable disease after completion of induction chemotherapy. This trial is registered with ClinicalTrials.gov, NCT02125136.
Between Nov 18, 2014, and April 27, 2018, 168 patients were registered and 130 were randomly assigned to either the nab-paclitaxel plus gemcitabine group (64 patients) or the sequential FOLFIRINOX group (66 patients). Surgical exploration after completed induction chemotherapy was done in 40 (63%) of 64 patients in the nab-paclitaxel plus gemcitabine group and 42 (64%) of 66 patients in the sequential FOLFIRINOX group. 23 patients in the nab-paclitaxel plus gemcitabine group and 29 in the sequential FOLFIRINOX group had complete macroscopic tumour resection, yielding a surgical conversion rate of 35·9% (95% CI 24·3-48·9) in the nab-paclitaxel plus gemcitabine group and 43·9% (31·7-56·7) in the sequential FOLFIRINOX group (odds ratio 0·72 [95% CI 0·35-1·45]; p=0·38). At a median follow-up of 24·9 months (95% CI 21·8-27·6), median overall survival was 18·5 months (95% CI 14·4-21·5) in the nab-paclitaxel plus gemcitabine group and 20·7 months (13·9-28·7) in the sequential FOLFIRINOX group (hazard ratio 0·86 [95% CI 0·55-1·36]; p=0·53). All other secondary efficacy endpoints, such as investigator-assessed progression-free survival, radiographic response rate, CA 19-9 response rate, and R0 resection rate, were not significantly different between the two treatment groups except for improved histopathological downstaging in evaluable resection specimens from the sequential FOLFIRINOX group (ypT1/2 stage: 20 [69%] of 29 patients in the sequential FOLFIRINOX group vs four [17%] of 23 patients in the nab-paclitaxel plus gemcitabine group, p=0·0003; ypN0 stage: 15 [52%] of 29 patients in the sequential FOLFIRINOX group vs four [17%] of 23 patients in the nab-paclitaxel plus gemcitabine group, p=0·02). Grade 3 or higher treatment-emergent adverse events during induction chemotherapy occurred in 35 (55%) of 64 patients in nab-paclitaxel plus gemcitabine group and in 35 (53%) of 66 patients in the sequential FOLFIRINOX group. The most common of which were neutropenia (18 [28%] in nab-paclitaxel plus gemcitabine group, 16 [24%] in the sequential FOLFIRINOX group), nausea and vomiting (two [3%] in nab-paclitaxel plus gemcitabine group, eight [12%] in the sequential FOLFIRINOX group), and bile duct obstruction with cholangitis (six [9%] in nab-paclitaxel plus gemcitabine group, seven [11%] in the sequential FOLFIRINOX group). No deaths were caused by treatment-related adverse events during the induction chemotherapy phase.
Our findings suggest that nab-paclitaxel plus gemcitabine is similarly active and safe as nab-paclitaxel plus gemcitabine followed by FOLFIRINOX as multidrug induction chemotherapy regimens for locally advanced pancreatic cancer. Although conversion to resectability was achieved in about a third of patients, additional evidence is required to determine whether this translates into improved overall survival.
Celgene.
Kunzmann V
，Siveke JT
，Algül H
，Goekkurt E
，Siegler G
，Martens U
，Waldschmidt D
，Pelzer U
，Fuchs M
，Kullmann F
，Boeck S
，Ettrich TJ
，Held S
，Keller R
，Klein I
，Germer CT
，Stein H
，Friess H
，Bahra M
，Jakobs R
，Hartlapp I
，Heinemann V
，German Pancreatic Cancer Working Group (AIO-PAK) and NEOLAP investigators
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《The Lancet Gastroenterology & Hepatology》
Early tumor shrinkage as a prognostic predictor in chemotherapy-naïve patients with locally advanced pancreatic cancer treated with modified FOLFIRINOX or gemcitabine plus nab-paclitaxel combination therapy: An exploratory analysis of JCOG1407.
Early tumor shrinkage (ETS) is a prognostic predictor for patients treated with chemotherapy in colorectal cancer, although scarce studies evaluated its potential in locally advanced pancreatic cancer (LAPC). In this exploratory analysis of JCOG1407, a randomized phase II study comparing modified 5-fluorouracil, levofolinate, irinotecan, and oxaliplatin (mFOLFIRINOX) and gemcitabine plus nab-paclitaxel (GnP), we evaluated whether ETS can predict prognosis of patients with LAPC.
Of the 126 patients enrolled in JCOG1407, 112 with measurable lesions were included in this study. ETS was defined as a ≥20 % reduction in tumor diameter compared with baseline at the initial imaging assessment 6-10 weeks after initiating chemotherapy. Patients were divided into the ETS (achieved ETS) and non-ETS (failed to achieve ETS) groups based on their ETS status. The impact of ETS on overall survival (OS) was compared using multivariable Cox regression analysis.
Fourteen of 55 (25.5 %) and 24 of 57 (42.1 %) patients in the mFOLFIRINOX and GnP arms, respectively, achieved ETS. In the overall population, mFOLFIRINOX arm, and GnP arm, the median OS in the ETS and non-ETS groups was 27.1 and 20.4, 29.8 and 20.6, and 24.1 and 20.4, months, respectively. The adjusted hazard ratios of OS for the ETS group in the overall population, mFOLFIRINOX arm, and GnP arm were 0.451 (95 % confidence interval [CI]: 0.270-0.754), 0.371 (95 % CI: 0.149-0.926), and 0.508 (95 % CI: 0.255-1.004), respectively.
ETS may be a prognostic predictor in chemotherapy-naïve patients with LAPC treated with mFOLFIRINOX or GnP.
Tezuka S
，Ozaka M
，Furuse J
，Yokoyama M
，Uemura K
，Sano Y
，Nakachi K
，Imaoka H
，Unno M
，Shirakawa H
，Shimizu S
，Kato N
，Kojima Y
，Sano K
，Kobayashi S
，Terashima T
，Morizane C
，Ikeda M
，Ueno M
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Efficacy and Tolerability of Second-line Nab-paclitaxel and Gemcitabine After Failure of First-line FOLFIRINOX for Advanced Pancreas Cancer: A Single-institution Experience.
Advanced pancreatic cancer (APC) has a poor prognosis. Current first-line chemotherapy options include FOLFIRINOX (5-fluorouracil, irinotecan, oxaliplatin), NG (nab-paclitaxel, gemcitabine), and GEM (gemcitabine) alone. The optimal second-line regimen is unclear. For patients with disease progression with FOLFIRINOX who have a good performance status, NG might be a reasonable second-line option.
Patients in whom APC was diagnosed from 2012 to 2016 who underwent chemotherapy at CancerCare Manitoba were identified from the Manitoba Cancer Registry. Pharmacy records were used to identified those patients who had received first-line FOLFIRINOX, followed by second-line NG, GEM alone, or best supportive care. A retrospective analysis was performed to identify the patient and treatment characteristics, toxicity, radiologic response, and survival. Edmonton Symptom Assessment System, revised, scores were analyzed to assess symptom control.
A total of 146 patients had received first-line FOLFIRINOX. Of those with disease progression who were offered second-line therapy, 30 received NG, 8 GEM alone, and 22 best supportive care. NG was more toxic than GEM alone; however, the dose intensity was similar between the 2 groups. The median progression-free survival was 3.61 months in the NG group and 2.51 months in the GEM-alone group. The median overall survival was 5.69 months in the NG group and 3.82 months in the GEM-alone group. No significant differences were found in the Edmonton Symptom Assessment System, revised, scores when stratified by the treatment received.
For select patients with APC in whom first-line FOLFIRINOX fails, a role might exist for second-line NG. In our institution, second-line NG was associated with improvement in survival compared with second-line GEM alone, with a manageable toxicity profile.
Zhang H
，Kellett C
，Lambert P
，Kim CA
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