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Feasibility and effectiveness of trifluridine/tipiracil in metastatic colorectal cancer: real-life data from The Netherlands.

ABSTRACT: The RECOURSE trial showed clinical efficacy for trifluridine/tipiracil for refractory metastatic colorectal cancer patients. We assessed the feasibility and effectiveness of trifluridine/tipiracil in daily clinical practice in The Netherlands.Medical records of patients from 17 centers treated in the trifluridine/tipiracil compassionate use program were reviewed and checked for RECOURSE eligibility criteria. Baseline characteristics, safety, and survival times were compared, and prespecified baseline characteristics were tested in multivariate analyses for prognostic significance on overall survival (OS).A total of 136 patients with a median age of 62 years were analyzed. Forty-three patients (32%) did not meet the RECOURSE eligibility criteria for not having received all prior standard treatments (n = 35, 26%) and/or ECOG performance status (PS) 2 (n = 12, 9%). The most common grade ?3 toxicities were neutropenia (n = 44, 32%), leukopenia (n = 8, 6%), anemia (n = 7, 5%), and fatigue (n = 7, 5%). Median progression-free survival (PFS) and median OS were 2.1 (95% CI, 1.8-2.3) and 5.4 months (95% CI, 4.0-6.9), respectively. Patients with ECOG PS 2 had a worse median OS (3.2 months) compared to patients with ECOG PS 0-1 (5.9 months). ECOG PS, KRAS-mutation status, white blood cell count, serum lactate dehydrogenase, and alkaline phosphatase were prognostic factors for OS.Our data show that treatment with trifluridine/tipiracil in daily clinical practice is feasible and safe. Differences in patient characteristics between our population and the RECOURSE study population should be taken into account in the interpretation of survival data. Our results argue against the use of trifluridine/tipiracil in patients with ECOG PS 2.Johannes J.M. Kwakman received an unrestricted research grant from Servier.

SUBMITTER: Kwakman JJM

PROVIDER: S-EPMC5951890 | biostudies-literature | 2018 Jun

REPOSITORIES: biostudies-literature

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Feasibility and effectiveness of trifluridine/tipiracil in metastatic colorectal cancer: real-life data from The Netherlands.

Kwakman Johannes J M JJM Vink G G Vestjens J H JH Beerepoot L V LV de Groot J W JW Jansen R L RL Opdam F L FL Boot H H Creemers G J GJ van Rooijen J M JM Los M M Vulink A J E AJE Schut H H van Meerten E E Baars A A Hamberg P P Kapiteijn E E Sommeijer D W DW Punt C J A CJA Koopman M M

International journal of clinical oncology 20171204 3

<h4>Background</h4>The RECOURSE trial showed clinical efficacy for trifluridine/tipiracil for refractory metastatic colorectal cancer patients. We assessed the feasibility and effectiveness of trifluridine/tipiracil in daily clinical practice in The Netherlands.<h4>Methods</h4>Medical records of patients from 17 centers treated in the trifluridine/tipiracil compassionate use program were reviewed and checked for RECOURSE eligibility criteria. Baseline characteristics, safety, and survival times ...[more]

PMID: 29204933

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Project description:BackgroundTrifluridine/tipiracil (FTD/TPI) and regorafenib prolong survival for patients with refractory metastatic colorectal cancer (mCRC); limited comparative effectiveness data exist.Materials and methodsA retrospective, longitudinal cohort study of patients with mCRC who initiated FTD/TPI or regorafenib (index therapy) between 2012 and 2017 at a U.S. tertiary oncology center, Dana-Farber Cancer Institute, was conducted. Using best tumor response assessments, real-world overall response rates (rwORR) and disease control rates (rwDCR) were described and analyzed using logistic regression. Survival rate was examined for each month after index therapy using Kaplan-Meier. Overall survival (OS) was assessed using Cox proportional hazards models. Subgroup analyses among patients with index therapy as second- or third-line were performed.ResultsOne hundred twenty-six and 95 patients were treated with FTD/TPI or regorafenib as index therapy, respectively. Patients treated with FTD/TPI versus regorafenib had a better response (rwORR 52.5% vs. 34.2%; adjusted odds ratio [OR] = 2.6; all p value <.05; rwDCR 64.2% vs. 46.1%; adjusted OR = 2.5; all p value <.05). Similar findings were observed for FTD/TPI versus regorafenib as second- or third-line therapy (rwORR 54.8% vs. 25.9%; adjusted OR = 4.1; all p value <.05; rwDCR 69.0% vs. 37.0%; adjusted OR = 4.9; all p value <.05). A greater proportion of patients treated with FTD/TPI versus regorafenib survived at 3 months (86.2% vs. 73.4%; p value = .016) and 4 months (79.6% vs. 65.8%; p value = .017). Adjusted OS hazard ratio for FTD/TPI versus regorafenib was 0.80, p value = .157.ConclusionPatients treated with FTD/TPI had better tumor response and disease control than patients treated with regorafenib. Subgroup analysis in second- or third-line suggests that early use of FTD/TPI may have clinical benefits.Implications for practiceIn this retrospective cohort study, patients with refractory metastatic colorectal cancer treated with trifluridine/tipiracil (FTD/TPI) were significantly less likely than those treated with regorafenib to have dose modifications and more likely to have higher real-world objective response rate (rwORR) and real-world disease control rate (rwDCR) while treated. Patients treated with FTD/TPI versus regorafenib had significantly higher odds of having rwORR or rwDCR in adjusted analyses. Monthly survival rates were higher overall in patients treated with FTD/TPI versus regorafenib in the first 6 months of follow-up, particularly at months 3 and 4. This study offers insight into patients' treatment experience in real-world clinical settings.

Project description:BackgroundTrifluridine/tipiracil plus bevacizumab (FTD/TPI + BEV) has shown efficacy and tolerability in refractory metastatic colorectal cancer (mCRC). Because randomized controlled trial (RCT) data comparing FTD/TPI + BEV with FTD/TPI are lacking, this meta-analysis evaluated outcomes with both regimens.Data sources and methodsElectronic databases, congress proceedings (past 3 years), trial registries, systematic review bibliographies, gray literature, and guidelines through June 2021 were searched for RCTs, non-RCTs, and prospective observational studies involving >20 previously treated patients with mCRC receiving FTD/TPI + BEV or FTD/TPI. Absolute and relative disease control rate (DCR), progression-free survival (PFS), overall survival (OS), adverse event (AE) rates, and discontinuation rates due to AEs were evaluated using fixed-effects and random-effects models. Study quality, heterogeneity, and publication bias were assessed.ResultsIn all, 29 of 875 screened publications were selected (26 studies: 5 RCTs, 11 non-RCTs, and 10 prospective observational studies). One RCT compared FTD/TPI + BEV with FTD/TPI. FTD/TPI + BEV versus FTD/TPI had a higher absolute DCR [64% (6 studies; n = 289) versus 43% (10 studies; n = 2809)], median PFS [4.2 (5 studies; n = 244) versus 2.6 (6 studies; n = 1781) months], 12-month PFS [9% (5 studies; n = 244) versus 3% (6 studies; n = 1781)], median OS [9.8 (5 studies; n = 244) versus 8.1 (6 studies; n = 1814) months], and 12-month OS [38% (5 studies; n = 244) versus 32% (6 studies; n = 1814)]. Grade ⩾3 febrile neutropenia, asthenia/fatigue, diarrhea, nausea, and vomiting rates were similar (1%-7%). Grade ⩾3 neutropenia rate was higher with FTD/TPI + BEV than with FTD/TPI [43% (6 studies; n = 294) versus 29% (12 studies; n = 7139)]. Discontinuation rates due to AEs were similar [8% (5 studies; n = 244) and 7% (10 studies; n = 3724)]. Low study quality, heterogeneity, and/or publication bias were detected in certain instances.ConclusionDespite fewer patients treated with the combination, this meta-analysis consistently suggested that FTD/TPI + BEV provides benefits over FTD/TPI in refractory mCRC and has similar safety, except for more frequent grade ⩾3 neutropenia.

Dataset Information

Feasibility and effectiveness of trifluridine/tipiracil in metastatic colorectal cancer: real-life data from The Netherlands.

Publications

Feasibility and effectiveness of trifluridine/tipiracil in metastatic colorectal cancer: real-life data from The Netherlands.

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