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Lancet Oncology | 2010

Bevacizumab with FOLFOXIRI (irinotecan, oxaliplatin, fluorouracil, and folinate) as first-line treatment for metastatic colorectal cancer: a phase 2 trial

Gianluca Masi; Fotios Loupakis; Lisa Salvatore; Lorenzo Fornaro; Chiara Cremolini; S. Cupini; A. Ciarlo; Francesca Del Monte; Enrico Cortesi; Domenico Amoroso; Cristina Granetto; Gabriella Fontanini; Elisa Sensi; Cristiana Lupi; M. Andreuccetti; Alfredo Falcone

BACKGROUND The FOLFOXIRI (irinotecan, oxaliplatin, fluorouracil, and folinate) regimen has been shown to be better than FOLFIRI (fluorouracil, folinate, and irinotecan) in a phase 3 trial in patients with metastatic colorectal cancer. Results of various studies have shown that the addition of bevacizumab to chemotherapy increases treatment efficacy. We therefore assessed the safety and activity of the combination of FOLFOXIRI plus bevacizumab in patients with colorectal cancer. METHODS In a phase 2 study, patients (aged 18-75 years) with colorectal cancer, which was judged to be unresectable for metastatic disease, were given the combination of intravenous bevacizumab (5 mg/kg on day 1) and intravenous FOLFOXIRI (irinotecan 165 mg/m(2) on day 1, oxaliplatin 85 mg/m(2) on day 1, folinate 200 mg/m(2) on day 1, and fluorouracil 3200 mg/m(2) for 48 h continuous infusion starting on day 1 and repeated every 2 weeks) as first-line treatment in seven centres in Italy. Induction treatment (FOLFOXIRI and bevacizumab) was administered for a maximum of 6 months, followed by maintenance treatment with bevacizumab (5 mg/kg intravenously on day 1, repeated every 2 weeks). The primary endpoint was progression-free survival (PFS) at 10 months from study entry in the intention-to-treat population. This study has been completed and is registered with ClinicalTrials.gov, number NCT01163396. FINDINGS From July 2, 2007, to April 1, 2008, 57 patients were enrolled; all patients were assessed for safety and efficacy. Median follow-up time was 28.8 months (95% CI 24.9-32.5). PFS at 10 months was 74% (95% CI 62-85). Main grade 3 or 4 adverse events during induction treatment were neutropenia (n=28 [49%], including one case of febrile neutropenia), diarrhoea (n=8 [14%]), stomatitis (n=2 [4%]), neurotoxicity (n=1 [2%]), deep-vein thrombosis (n=4 [7%]), and hypertension (n=6 [11%]). No treatment-related deaths occurred. Six serious adverse events occurred during the induction treatment: febrile neutropenia (n=1 [2%]), grade 3 diarrhoea with dehydration (n=2 [4%]), grade 4 stomatitis (n=1 [2%]), grade 4 hypertension (n=1 [2%]), and fluorouracil-related cardiac ischaemia (n=1 [2%]). The most common grade 3 or 4 adverse events noted in the 37 patients who received maintenance treatment were hypertension (n=5 [14%]) and neurotoxicity (n=3 [8%]). One case of acute myocardial infarction due to coronary thrombosis was noted during the maintenance treatment. INTERPRETATION Bevacizumab can be safely used with FOLFOXIRI without causing unforeseen adverse events. Treatment achieved promising results in terms of PFS. A phase 3 study for the comparison of FOLFOXIRI plus bevacizumab with FOLFIRI plus bevacizumab is in progress. FUNDING Gruppo Oncologico Nord Ovest, ARCO Foundation, and Roche.


Annals of Surgery | 2009

Long-term outcome of initially unresectable metastatic colorectal cancer patients treated with 5-fluorouracil/leucovorin, oxaliplatin, and irinotecan (FOLFOXIRI) followed by radical surgery of metastases.

Gianluca Masi; Fotios Loupakis; Luca Pollina; Enrico Vasile; S. Cupini; Sergio Ricci; Isa Brunetti; Roberta Ferraldeschi; Giuseppe Naso; Franco Filipponi; Andrea Pietrabissa; Orlando Goletti; G. Baldi; Lorenzo Fornaro; M. Andreuccetti; Alfredo Falcone

Objective/Background:The GONO-FOLFOXIRI regimen improved the rate of R0 secondary resection of metastases in initially unresectable metastatic colorectal cancer. The objective of this study was to evaluate the long-term outcome of resected patients and the impact of FOLFOXIRI on perioperative morbidities, mortality, and chemotherapy induced hepatotoxicity. Patients and Methods:Overall, 196 patients with initially unresectable metastatic colorectal cancer were treated with FOLFOXIRI in 2 phase II and 1 phase III trial. This regimen was associated with an elevated response rate (70.4%) and 37 patients (19%) could undergo a secondary R0 surgery on metastases. This study was registered with the Australian New Zealand Clinical Trials Registry Database at http://www.anzctr.org.au/Statistics.aspx and has ID number ACTRN12608000615381. Results:Main characteristics of the 37 radically resected patients were: median age 64 years (45–73), Eastern Cooperative Oncology Group Performance Status (ECOG) PS ≥1 in 30%, synchronous metastases in 65%, multiple sites of disease in 22%, and metastases confined to the liver in 68%. Preoperative FOLFOXIRI was administered for a median of 5.5 months. There was no perioperative mortality and all morbidities (27% of patients) resolved without sequelae. After a median follow up of 67 months, 5-year and 8-year survival are 42% and 33% respectively. At 5 years, 29% of patients are free of disease. The analysis of treatment-induced liver injury showed neither G3 vascular toxicity nor G4 steatosis, and steato-hepatitis in only 5% of patients. Conclusions:The GONO-FOLFOXIRI regimen allow an R0 surgery in approximately 1 out of 5 unselected patients with initially unresectable metastatic colorectal cancer, and the long-term survival of resected patients is considerable. Neoadjuvant FOLFOXIRI for 3-6 months is safe and not associated with severe liver injury.


Annals of Surgical Oncology | 2006

Treatment with 5-Fluorouracil/Folinic Acid, Oxaliplatin, and Irinotecan Enables Surgical Resection of Metastases in Patients With Initially Unresectable Metastatic Colorectal Cancer

Gianluca Masi; S. Cupini; Lorenzo Marcucci; E. Cerri; Fotios Loupakis; Giacomo Allegrini; Isa Brunetti; E. Pfanner; Maurizio Viti; Orlando Goletti; Franco Filipponi; Alfredo Falcone

BackgroundThe prognosis of unresectable metastatic colorectal cancer might be improved if a radical surgical resection of metastases could be performed after a response to chemotherapy.MethodsWe treated 74 patients with unresectable metastatic colorectal cancer (not selected for a neoadjuvant approach) with irinotecan, oxaliplatin, and 5-fluorouracil/leucovorin (FOLFOXIRI and simplified FOLFOXIRI). Because of the high activity of these regimens (response rate, 72%), a secondary curative operation could be performed in 19 patients (26%).ResultsFour patients underwent an extended hepatectomy, nine patients underwent a right hepatectomy, three patients underwent a left hepatectomy, and three patients had a segmental resection. In five patients, surgical removal of extrahepatic disease was also performed. In seven patients, surgical resection was combined with intraoperative radiofrequency ablation. The median overall survival of the 19 patients who underwent operation is 36.8 months, and the 4-year survival rate is 37%. The median overall survival of the 34 patients who were responsive to chemotherapy, but who did not undergo operation, is 22.2 months (P = .0114).ConclusionsThe FOLFOXIRI regimens we studied have significant antitumor activity and allow a radical surgical resection of metastases in patients with initially unresectable metastatic colorectal cancer not selected for a neoadjuvant approach and also those with extrahepatic disease. The median survival of patients with resected disease is promising.


Journal of Clinical Oncology | 2002

Biweekly Chemotherapy With Oxaliplatin, Irinotecan, Infusional Fluorouracil, and Leucovorin: A Pilot Study in Patients With Metastatic Colorectal Cancer

Alfredo Falcone; Gianluca Masi; Giacomo Allegrini; Romano Danesi; E. Pfanner; I Brunetti; Antonello Di Paolo; S. Cupini; Mario Del Tacca; Pierfranco Conte

PURPOSE To determine the feasibility, recommended doses, plasma pharmacokinetics, and antitumor activity of a biweekly chemotherapy regimen with oxaliplatin (L-OHP), irinotecan (CPT-11), infusional fluorouracil (5-FU), and leucovorin (LV) in metastatic colorectal cancer patients. PATIENTS AND METHODS Patients received CPT-11 followed by L-OHP and LV 200 mg/m(2) and followed by 5-FU 3,800 mg/m(2) as a 48-hour infusion, repeated every 2 weeks. In the first part of the study, an escalation of CPT-11 dose and/or a decrease of the L-OHP dose were planned. Once the recommended doses of CPT-11 and L-OHP were determined, all subsequent patients were treated at the recommended doses. RESULTS Forty-two patients entered the study. CPT-11 175 mg/m(2) and L-OHP 100 mg/m(2) in combination with LV 200 mg/m(2) and 5-FU 3,800 mg/m(2) could be administered with acceptable toxicities; 39 patients were treated at these dose levels. The pharmacokinetics parameters of the agents used and their metabolites did not seem to be influenced by the concomitant use of the other drugs. The most relevant toxicities were diarrhea and neutropenia, with 14% of patients experiencing one episode of febrile neutropenia. In five patients (11.9%) a complete and in 25 (59.5%) a partial response was demonstrated, for an objective response rate of 71.4% (95% confidence interval, 47% to 83%). In 11 patients (26%), a surgical resection of residual disease could be performed. Median progression-free and overall survival times were 10.4 and 26.5 months, respectively. CONCLUSION This biweekly regimen is feasible and has acceptable and manageable toxicities and no apparent relevant pharmacokinetics interactions. This combination is associated with a promising antitumor activity, time to progression, and survival. A phase III randomized trial in Italy planned by the Gruppo Oncologico Nord Ovest has just started.


Journal of the National Cancer Institute | 2011

Randomized Trial of Two Induction Chemotherapy Regimens in Metastatic Colorectal Cancer: An Updated Analysis

Gianluca Masi; Enrico Vasile; Fotios Loupakis; S. Cupini; Lorenzo Fornaro; Giacomo Baldi; Lisa Salvatore; Chiara Cremolini; I. Stasi; Isa Brunetti; Maria Agnese Fabbri; Martina Puglisi; Patrizia Trenta; Cristina Granetto; Silvana Chiara; Luisa Fioretto; Giacomo Allegrini; Lucio Crinò; M. Andreuccetti; Alfredo Falcone

BACKGROUND In a randomized trial with a median follow-up of 18.4 months, 6 months of induction chemotherapy with a three-drug regimen comprising 5-fluorouracil (by continuous infusion)-leucovorin, irinotecan, and oxaliplatin (FOLFOXIRI) demonstrated statistically significant improvements in response rate, radical surgical resection of metastases, progression-free survival, and overall survival compared with 6 months of induction chemotherapy with fluorouracil-leucovorin and irinotecan (FOLFIRI). METHODS From November 14, 2001, to April 22, 2005, we enrolled 244 patients with metastatic colorectal cancer. To evaluate if the superiority of FOLFOXIRI is maintained in the long term, we updated the overall and progression-free survival data to include events that occurred up to February 12, 2009, with a median follow-up of 60.6 months. We performed a subgroup and a risk-stratified analysis to examine whether outcomes differed in specific patient subgroups, and we analyzed the results of treatment after progression. Survival curves were estimated by the Kaplan-Meier method. Multivariable Cox regression models were fit to estimate hazard ratios (HRs) and 95% confidence intervals (CIs). All statistical tests were two-sided. RESULTS FOLFOXIRI demonstrated statistically significant improvements in median progression-free survival (9.8 vs 6.8 months, HR for progression = 0.59, 95% CI = 0.45 to 0.76, P < .001) and median overall survival (23.4 vs 16.7 months, HR for death = 0.74, 95% CI = 0.56 to 0.96, P = .026) with a 5-year survival rate of 15% (95% CI = 9% to 23%) vs 8% (95% CI = 4% to 14%). The improvements in progression-free survival and, to a lesser extent, in overall survival were evident even when the analysis excluded patients who received radical resection of metastases. With regard to the risk-stratified analysis, FOLFOXIRI results in longer progression-free survival and overall survival than FOLFIRI in all risk subgroups. CONCLUSIONS Six months of induction chemotherapy with FOLFOXIRI is associated with a clinically significant improvement in the long-term outcome compared with FOLFIRI with an absolute benefit in survival at 5 years of 7%.


Annals of Oncology | 2015

Continuation or reintroduction of bevacizumab beyond progression to first-line therapy in metastatic colorectal cancer: final results of the randomized BEBYP trial

Gianluca Masi; Lisa Salvatore; Luca Boni; Fotios Loupakis; Chiara Cremolini; Lorenzo Fornaro; Marta Schirripa; S. Cupini; C. Barbara; V. Safina; Cristina Granetto; E. Fea; Lorenzo Antonuzzo; C. Boni; Giacomo Allegrini; S. Chiara; Domenico Amoroso; Andrea Bonetti; Alfredo Falcone

BACKGROUND The combination of bevacizumab with fluorouracil-based chemotherapy is a standard first-line treatment option in metastatic colorectal cancer (mCRC). We studied the efficacy of continuing or reintroducing bevacizumab in combination with second-line chemotherapy after progression to bevacizumab-based first-line therapy. PATIENTS AND METHODS In this phase III study, patients with mCRC treated with fluoropyrimidine-based first-line chemotherapy plus bevacizumab were randomized to receive in second-line mFOLFOX-6 or FOLFIRI (depending on first-line regimen) with or without bevacizumab. The primary end point was progression-free survival. To detect a hazard ratio (HR) for progression of 0.70 with an α and β error of 0.05 and 0.20, respectively, 262 patients were required. RESULTS In consideration of the results of the ML18147 trial, the study was prematurely stopped. Between April 2008 and May 2012, a total of 185 patients were randomized. Bevacizumab-free interval was longer than 3 months in 43% of patients in chemotherapy alone arm and in 50% of patients in the bevacizumab arm. At a median follow-up of 45.3 months, the median progression-free survival was 5.0 months in the chemotherapy group and 6.8 months in the bevacizumab group [adjusted HR = 0.70; 95% confidence interval (CI) 0.52-0.95; stratified log-rank P = 0.010]. Subgroup analyses showed a consistent benefit in all subgroups analyzed and in particular in patients who had continued or reintroduced bevacizumab. An improved overall survival was also observed in the bevacizumab arm (adjusted HR = 0.77; 95% CI 0.56-1.06; stratified log-rank P = 0.043). Responses (RECIST 1.0) were similar in the chemotherapy and bevacizumab groups (17% and 21%; P = 0.573). Toxicity profile was consistent with previously reported data. CONCLUSIONS This study demonstrates that the continuation or the reintroduction of bevacizumab with second-line chemotherapy beyond first progression improves the outcome and supports the use of this strategy in the treatment of mCRC. ClinicalTrials.gov number: NCT00720512.


Clinical Colorectal Cancer | 2014

MicroRNA Signature in Metastatic Colorectal Cancer Patients Treated With Anti-EGFR Monoclonal Antibodies

Federico Cappuzzo; Andrea Sacconi; Lorenza Landi; Vienna Ludovini; Francesca Biagioni; Armida D'Incecco; Alessandra Capodanno; Jessica Salvini; E. Corgna; S. Cupini; C. Barbara; Gabriella Fontanini; Lucio Crinò; Giovanni Blandino

BACKGROUND To investigate whether microRNAs are predictive of sensitivity to anti-epidermal growth factor receptor (EGFR) monoclonal antibodies in patients with metastatic colorectal cancer (mCRC). METHODS A total of 183 mCRC cases from 2 independent cohorts (cohort 1: 74 cases; validation cohort: 109 cases) treated with cetuximab or panitumumab were included in the study. MiRNA arrays were analyzed using Agilents miRNA platform. RESULTS The study identified the cluster Let-7c/miR-99a/miR-125b as a signature associated with an outcome different from that of anti-EGFR therapies. In the first cohort, patients with high-intensity signatures had a significantly longer progression-free survival (PFS) (6.1 vs. 2.3 mo; P = .02) and longer overall survival (OS) ( 29.8 vs. 7.0 mo, P = .08) than patients with low-intensity signatures. In the validation cohort, patients with high signature had significantly longer PFS and OS than individuals with low-intensity signatures (PFS 7.8 vs. 4.3 mo, P = .02; OS 12.8 vs. 7.5 mo, P = .02). In the KRAS wild-type population (n = 120), high-intensity signature patients had a significantly longer PFS (7.8 vs. 4.6 mo, P = .016) and longer OS (16.1 vs. 10.9 mo, P = .09) than low-signature individuals, with no difference in KRAS mutated patients. CONCLUSION The MiR-99a/Let-7c/miR-125b signature may improve the selection of patients with KRAS wild-type mCRC as good candidates for anti-EGFR therapy.


British Journal of Cancer | 2009

A multicenter phase II study of the combination of oxaliplatin, irinotecan and capecitabine in the first-line treatment of metastatic colorectal cancer

Enrico Vasile; Gianluca Masi; Lorenzo Fornaro; S. Cupini; Fotios Loupakis; S. Bursi; Iacopo Petrini; S. Di Donato; I Brunetti; Sergio Ricci; A. Antonuzzo; S. Chiara; Domenico Amoroso; M. Andreuccetti; Alfredo Falcone

The triple drug combination consisting of irinotecan, oxaliplatin and 5-fluorouracil (FOLFOXIRI) has demonstrated higher activity and efficacy compared to the doublet FOLFIRI. 5-Fluorouracil could be substituted in FOLFOXIRI regimen by capecitabine, an oral fluoropyrimidine with similar efficacy. Recently, a dose-finding trial has demonstrated the feasibility of the combination of irinotecan, oxaliplatin and capecitabine (XELOXIRI) and established their recommended doses. The aim of this study was to evaluate the activity of XELOXIRI. A total of 36 patients with unresectable metastatic colorectal cancer received irinotecan 165 mg m−2 and oxaliplatin 85 mg m−2 on day 1 plus capecitabine 2000 mg m−2 per day orally in two doses from day 1 to day 7, every 2 weeks. Grade 3–4 toxicities were infrequent, expect for neutropenia and diarrhoea, which were each observed in 30% of patients. Two complete and twenty-two partial responses were obtained, corresponding to an overall response rate of 67% (95% CI 51.4–82%). After a median follow-up of 17.7 months, the median progression-free and overall survival were 10.1 and 17.9 months, respectively.The substitution of 5-fluorouracil with capecitabine, in combination with irinotecan and oxaliplatin, is feasible and does not impair the activity of the regimen. However, the XELOXIRI combination is associated with a high incidence of diarrhoea and, therefore, should be considered as a not preferable alternative to FOLFOXIRI.


Critical Reviews in Oncology Hematology | 2011

Cetuximab plus irinotecan after irinotecan failure in elderly metastatic colorectal cancer patients: clinical outcome according to KRAS and BRAF mutational status

Lorenzo Fornaro; Giacomo Baldi; Gianluca Masi; Giacomo Allegrini; Fotios Loupakis; Enrico Vasile; S. Cupini; I. Stasi; Lisa Salvatore; Chiara Cremolini; Bruno Vincenzi; Daniele Santini; Giuseppe Tonini; Francesco Graziano; Annamaria Ruzzo; Emanuele Canestrari; Mauro Magnani; Alfredo Falcone

BACKGROUND Scarce data are available about safety and efficacy of cetuximab in elderly metastatic colorectal cancer (mCRC) patients. PATIENTS AND METHODS We retrospectively analysed 54 irinotecan-refractory mCRC patients aged≥70 years treated with cetuximab plus irinotecan and evaluated clinical outcome according to KRAS and BRAF mutational status. RESULTS Median age was 73 years (70-82). Main grade 3-4 toxicities were skin rash (15%), diarrhea (19%) and neutropenia (13%). Irinotecan dose reduction was necessary in 39% of patients. Fifty-two (96%) patients were analysed for KRAS and BRAF status. The 29 KRAS wild-type patients achieved better RR (31% vs 4%; p=0.030) and median PFS (4.21 months vs 3.95 months; p=0.034; HR: 0.50, 95% CI: 0.27-0.95) when compared with KRAS mutated ones. RR (41% vs 3%; p=0.001) and mPFS (4.57 months vs 3.78 months, p=0.001; HR: 0.35, 95% CI: 0.19-0.66) were significantly higher among the 22 KRAS and BRAF wild-type patients compared to the 30 KRAS or BRAF mutated ones. CONCLUSION Cetuximab plus irinotecan has a favourable safety profile in elderly mCRC patients, but a reduced dose of irinotecan should be considered. Such a combination can be a useful option for elderly KRAS and BRAF wild-type patients.


Clinical Cancer Research | 2004

A Phase I and pharmacokinetic study of irinotecan given as a 7-day continuous infusion in metastatic colorectal cancer patients pretreated with 5-fluorouracil or raltitrexed

Gianluca Masi; Alfredo Falcone; Antonello Di Paolo; Giacomo Allegrini; Romano Danesi; C. Barbara; S. Cupini; Mario Del Tacca

Purpose: The purpose is to determine the plasma pharmacokinetics, the maximum-tolerable dose and to preliminary evaluate the antitumor activity of irinotecan administered as a 7-day continuous infusion every 21 days in metastatic colorectal cancer patients pretreated with 5-fluorouracil or raltitrexed. Experimental Design: A total of 13 patients entered the study. Three received irinotecan at 20 mg/m2/day (dose level I), 6 at 25 mg/m2/day (dose level II), and 4 at 22.5 mg/m2/day (dose level III). In 8 patients, plasma levels of irinotecan and its metabolites SN-38 and SN-38 glucuronide (SN-38glu) were measured by high-performance liquid chromatography and main pharmacokinetic parameters, including steady-state concentration, area under the time-concentration curve, and clearance, were calculated and normalized to the dose level of 22.5 mg/m2/day. Results: Dose-limiting toxicity was grade 3–4 diarrhea, which occurred in 4 of 6 patients at dose level II and in 2 of 4 patients at dose level III. Therefore, we defined 22.5 mg/m2/day the maximum-tolerable dose and 20.0 mg/m2/day the recommended dose for Phase II studies. Hematological toxicity was rare. The pharmacokinetic data provided evidence that continuous infusion increased the metabolism of irinotecan to SN-38 with respect to standard 30/90-min administration. Indeed, the steady-state concentration of irinotecan, SN-38, and SN-38glu were 42.7 ± 25.2, 14.9 ± 1.9, and 31.7 ± 3.5 nmol/liter, respectively, and the area under the time-concentration curves of irinotecan, SN-38, and SN-38glu were 6.94 ± 0.41, 1.92 ± 0.30, and 4.23 ± 0.52 hxμmol/liter, respectively. Twelve patients were evaluable for activity, and we observed 3 (25%) partial responses, 2 (17%) minor responses, and 4 (33%) disease stabilizations. Conclusions: The administration of irinotecan as a 7-day continuous infusion every 21 days is feasible with diarrhea being the dose-limiting toxicity; recommended dose for Phase II studies is 20.0 mg/m2/day. The comparison of the present data with those obtained after a standard 30–90 min. i.v. infusion of irinotecan demonstrates that continuous infusion improves the transformation of irinotecan to SN-38 and also results in increased glucuronidation of the active metabolite. Antitumor activity in pretreated metastatic colorectal cancer patients is encouraging.

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