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Understanding the FOLFOXIRI-regimen to optimize treatment for metastatic colorectal cancer.

ABSTRACT: The management of metastatic colorectal cancer substantially improved over the last 10 years and median overall survival of patients might exceed 30 months. The selection of an effective first-line treatment represents a crucial point in order to achieve good outcome results. In the last years, the intensive FOLFOXIRI regimen in combination with bevacizumab became a new standard option in this setting. In the present review we summarized the main steps of FOLFOXIRI regimen development from the first pilot study to the recent findings with biological agents, with a specific focus on practical aspects, such as patient's selection, adverse event management, treatment schedules and post-progression strategies. Possible predictive markers, open issues and ongoing clinical trials have been also deeply described.

SUBMITTER: Sunakawa Y

PROVIDER: S-EPMC4799732 | biostudies-literature | 2016 Apr

REPOSITORIES: biostudies-literature

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Understanding the FOLFOXIRI-regimen to optimize treatment for metastatic colorectal cancer.

Sunakawa Yu Y Schirripa Marta M Lenz Heinz-Josef HJ

Critical reviews in oncology/hematology 20160123

The management of metastatic colorectal cancer substantially improved over the last 10 years and median overall survival of patients might exceed 30 months. The selection of an effective first-line treatment represents a crucial point in order to achieve good outcome results. In the last years, the intensive FOLFOXIRI regimen in combination with bevacizumab became a new standard option in this setting. In the present review we summarized the main steps of FOLFOXIRI regimen development from the f ...[more]

PMID: 26850575

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FOLFOXIRI plus bevacizumab in the treatment of metastatic colorectal cancer patients with unresectable liver metastases.

Project description: Not available

| S-EPMC9577793 | biostudies-literature

Triplet (FOLFOXIRI) Versus Doublet (FOLFOX or FOLFIRI) Regimen as First Line Treatment in Metastatic Colorectal Carcinoma, a Prospective Phase II, Randomized Controlled Trial.

Project description:BackgroundThe outcomes of treatment of metastatic colorectal cancer (mCRC) is still unsatisfactory. Several trials approved that, the upfront treatment with triplet regimen included fluorouracil, leucovorin, irinotecan and oxaliplatin improved the outcomes of patients with metastatic disease as compared to standard doublet regimen. The objective of our study is evaluating the impact of upfront treatment with triplet (FOLFOXIRI) regimen on both oncological outcomes (response rate and survival) and patients' tolerability in comparison to the standard doublet regimen.MethodsWe randomly enrolled 64 patients with a newly diagnosed unresectable mCRC to receive either FOLFOXIRI (experimental arm) or FOLFIRI or FOLFOX4 (control arm) biweekly up to 12 cycles. The primary endpoints are overall response rate (RR) and patients' tolerability. The secondary endpoints are the progression free and overall survival.ResultThere was a significantly increase in RR (59% vs 37%) and complete remission rate (CR) (6.3% and 3.1%, respectively (P = 0.045) for the triplet therapy group compared to control group. Consequently, an increased rate of secondary resection of metastasis (21.9% vs 3.1% respectively; P=0.023). The FOLFOXIRI regimen was associated with higher rate of grade 3/4 toxicity but not statistically significant except febrile neutropenia (6.2%; P=0.03). There was numerical prolongation in the median PFS in the FOLFOXIRI group on compared to control group but not significantly (9 versus 8 months; P=0.11). The median OS was 20 and 22 months in FOLFOXIRI arm and control arm respectively with no statistically significant difference (P=0.57).ConclusionFOLFOXIRI had a higher efficacy and higher conversion rate to secondary resection over the doublet regimen as an upfront treatment option, coupled with a manageable adverse event, but failed to improve the survival outcomes.

| S-EPMC9924351 | biostudies-literature

A phase II trial of 1st-line modified-FOLFOXIRI plus bevacizumab treatment for metastatic colorectal cancer harboring RAS mutation: JACCRO CC-11.

Project description:FOLFOXIRI plus bevacizumab is considered a standard initial therapy for metastatic colorectal cancer (mCRC). However, few prospective trials have evaluated triplet therapy plus bevacizumab in patients with RAS mutant mCRC. Patients with an age of 20 to 75 years, and unresectable, measurable tumors harboring RAS mutation were given first-line treatment with bevacizumab (5 mg/kg on day 1) plus modified-FOLFOXIRI (irinotecan 150 mg/m2, oxaliplatin 85 mg/m2, levofolinate 200 mg/m2, and fluorouracil 2400 mg/m2 as a 46-h continuous infusion on day 1, repeated every 2 weeks). The primary endpoint was the objective response rate (ORR) as evaluated by an external review board. Progression-free survival (PFS), overall survival, early tumor shrinkage (ETS), depth of response (DpR), and safety were secondary endpoints. Among 64 patients who were enrolled between October 2014 and August 2016, 62 were evaluable for efficacy (right-sided tumors in 27%). ORR and disease control rate were 75.8% (95% confidence interval [CI] 65.1-86.5) and 96.8%, respectively. ETS was 73.8%, and median DpR was 49.2%. Median PFS was 11.5 (95% CI 9.5-14.0) months as of the cut-off date of September 2017. Adverse events of grade 3 or 4 were neutropenia (54%), hypertension (32%), diarrhea (13%), anorexia (11%), peripheral neuropathy (2%), and febrile neutropenia (5%). In conclusion, this prospective trial demonstrated for the first time that FOLFOXIRI plus bevacizumab is an active first-line treatment for patients with RAS mutant mCRC. Modified-FOLFOXIRI plus bevacizumab might become an alternative regimen of triplet chemotherapy for mCRC in Japan.

| S-EPMC5922357 | biostudies-literature

Pharmacodynamic and pharmacogenetic angiogenesis-related markers of first-line FOLFOXIRI plus bevacizumab schedule in metastatic colorectal cancer.

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| S-EPMC3078596 | biostudies-literature

Upfront FOLFOXIRI+bevacizumab followed by fluoropyrimidin and bevacizumab maintenance in patients with molecularly unselected metastatic colorectal cancer.

Project description:BackgroundThe addition of bevacizumab (BEV) to standard doublet chemotherapy improves outcomes compared with chemotherapy alone in patients with metastatic colorectal cancer (mCRC). The OPAL study examined the effect of BEV+FOLFOXIRI followed by 5FU/LV and BEV maintenance on progression-free survival (PFS) in patients with previously untreated unresectable mCRC.MethodsEligible patients had histologically confirmed mCRC, ECOG performance status ⩽1 and were 18-70 years old. Patients received up to 12 cycles of FOLFOXIRI+BEV q2w (induction phase) followed by up to ⩽40 cycles of 5FU/LV+BEV q2w (maintenance phase). Median PFS was the primary end point; secondary end points included response, OS, secondary resection rate, safety and prognostic value of pharmacogenetic profiling.ResultsNinety-seven patients were enrolled. Of these, 90 received study medication and formed the safety population: 64 males; median age 58 (range 28-71) years; ECOG performance status 0/1 in 54%/46% patients; and liver only disease in 35 patients. Relative dose intensities were 79-85% for all four drugs. The incidence of adverse events (AEs) was as previously reported and there were no new safety signals. In total, 87 serious AEs occurred in 39 patients (43%). Median PFS was 11.1 months (95% CI 9.4-12.0) and did thus not meet the primary objective of 12 months. Median OS was 32.2 months (95% CI 22.6-36.9). Fifty-two patients were pharmacogenetically profiled.ConclusionsFOLFOXIRI+BEV was feasible in this molecularly unselected mCRC patient population, showing a high efficacy in terms of survival, overall response and secondary resection rate. Pharmacogenomic profiling revealed no clinically relevant marker.

| S-EPMC4578090 | biostudies-literature

FOLFOXIRI/Bevacizumab Plus Nivolumab as First-Line Treatment in Metastatic Colorectal Cancer RAS/BRAF Mutated: Safety Run-In of Phase II NIVACOR Trial.

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| S-EPMC8712943 | biostudies-literature

Understanding the progression of metastatic colorectal cancer

Project description:Understanding the progression of metastatic colorectal cancer

| PRJNA498172 | ENA

Understanding the progression of metastatic colorectal cancer

Project description:Understanding the progression of metastatic colorectal cancer

| PRJNA498173 | ENA

Chemotherapeutic Risk lncRNA-PVT1 SNP Sensitizes Metastatic Colorectal Cancer to FOLFOX Regimen.

Project description:Recent studies have identified that long noncoding RNA (lncRNA) might affect the responses to anticancer drug treatment, including colorectal cancer (CRC). However, the association between single-nucleotide polymorphisms (SNPs) in PVT1 and the chemotherapy response in metastatic colorectal cancer has yet to be clarified. In this study, the PVT1 rs2278176 CT/TT genotypes were found to be associated with an increased overall survival (OS) and progression-free survival (PFS) compared with the CC genotype. Furthermore, patients harboring the rs2278176 CT/TT genotypes had a greater chance of achieving clinical benefit from 5-Fluorouracil/leucovorin combined with oxaliplatin (FOLFOX). In vivo nude mice experiments demonstrated that the CRISPR/Cas9 mediated rs2278176 C to T mutation significantly inhibited the tumorigenesis of colorectal cancer cells treated with 5-Fu, but not control DMSO treated cells. Furthermore, the apoptotic rate was significantly enhanced by treatment with 5-Fu in the CRC cells carrying with the CT/TT genotypes. Functional studies demonstrated that the PVT1 rs2278176 C to T mutation altered the binding site for hsa-miR-297, and that hsa-miR-297 downregulated Glutathione S-Transferase Alpha 2(GSTA2), a member of phase II detoxification enzyme, in an Argonaute 2(Ago2)-dependent manner. Moreover, GSTA2 levels were downregulated in the cancer tissues of patients carrying rs2278176 CT/TT genotypes. High GSTA2 expression predicted poor clinical outcome in metastatic colorectal cancer treated with FOLFOX. In conclusion, this study provided that PVT1 with rs2278176 T allele altered the binding affinity with hsa-miR-297, leading to decreased GSTA2 expression and sensitized CRC cells to FOLFOX chemotherapy, suggesting rs2278176 CT/TT genotypes might serve as a predictive biomarker to improve prognosis in patients with metastatic CRC treated with FOLFOX.

| S-EPMC9008320 | biostudies-literature

FOLFOXIRI Resistance Induction and Characterization in Human Colorectal Cancer Cells.

Project description:FOLFOXIRI, i.e., the combination of folinic acid, 5-fluorouracil, oxaliplatin, and irinotecan, is a first-line treatment for colorectal carcinoma (CRC), yet non-personalized and aggressive. In this study, to mimic the clinical situation of patients diagnosed with advanced CRC and exposed to a chronic treatment with FOLFOXIRI, we have generated the CRC cell clones chronically treated with FOLFOXIRI. A significant loss in sensitivity to FOLFOXIRI was obtained in all four cell lines, compared to their treatment-naïve calls, as shown in 2D cultures and heterotypic 3D co-cultures. Acquired drug resistance induction was observed through morphometric changes in terms of the organization of the actin filament. Bulk RNA sequencing revealed important upregulation of glucose transporter family 5 (GLUT5) in SW620 resistant cell line, while in the LS174T-resistant cell line, a significant downregulation of protein tyrosine phosphatase receptor S (PTPRS) and oxoglutarate dehydrogenase-like gene (OGDHL). This acquired resistance to FOLFOXIRI was overcome with optimized low-dose synergistic drug combinations (ODCs) acting via the Ras-Raf-MEK-ERK pathway. The ODCs inhibited the cell metabolic activity in SW620 and LS174T 3Dcc, respectively by up to 82%.

| S-EPMC9564076 | biostudies-literature

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