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Trifluridine/Tipiracil Plus Bevacizumab Versus Trifluridine/Tipiracil Monotherapy in Refractory Metastatic Colorectal Cancer

ABSTRACT: This study is a retrospective study to compare the efficacy and safety between trifluridine/tipiracil (TAS-102) plus bevacizumab (BEV) with TAS-102 monotherapy in refractory metastatic colorectal cancer (mCRC) from November 2020 to October 2022 at the Hunan Cancer Hospital.

DISEASE(S): Metastatic Colorectal Adenocarcinoma,Colorectal Neoplasms

PROVIDER: 60837 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Biomarkers of Trifluridine-Tipiracil Efficacy.

Project description:Trifluridine/tipiracil (TAS-102) is a newer generation chemotherapy that has been approved for the later-line treatment of metastatic colorectal and gastric/gastroesophageal adenocarcinomas. The oral drug provides a modest benefit of prolongation of survival over placebo in pretreated patients with these cancers with acceptable toxicity. Studies have shown rare objective responses (2-4%), and the disease control rates were 44% in both colorectal and gastric cancer randomized trials. Thus, the majority of patients progress through treatment and are burdened by toxicities. To better characterize the sub-group of patients with a higher probability of benefit from trifluridine/tipiracil, predictive biomarkers have been sought using data from randomized trials as well as from non-randomized trials and real-world series. Biomarkers examined include clinical characteristics of the patients, laboratory tests, and tumor derived biomarkers. These studies show that early neutropenia on treatment, and ratios of leukocyte subsets, are potential biomarkers able to predict trifluridine/tipiracil benefit. Combinations of laboratory values and clinical characteristics and proteins involved in trifluridine transport and activation have been examined with initial positive results.

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Trifluridine/tipiracil plus ramucirumab in gastric cancer.

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Efficacy and safety of trifluridine/tipiracil plus bevacizumab and trifluridine/tipiracil or regorafenib monotherapy for chemorefractory metastatic colorectal cancer: a retrospective study.

Project description:BackgroundThe C-TASK-FORCE phase I/II and Danish randomized phase II trials reported the promising efficacy of trifluridine/tipiracil (TAS102) plus bevacizumab (BEV) in patients with chemorefractory metastatic colorectal cancer (mCRC). However, there had been no direct comparative phase III trial to compare the efficacy between TAS102 plus BEV and standard therapy with either TAS102 or regorafenib monotherapy.MethodsWe retrospectively reviewed the medical records of patients with mCRC who received TAS102 plus BEV, TAS102 monotherapy, or regorafenib monotherapy after standard chemotherapies during 2013-2019.ResultsPatients received TAS102 plus BEV (n = 139), TAS102 monotherapy (n = 153), or regorafenib monotherapy (n = 133). With a median follow-up of 25.3 months, median overall survival (OS) was 11.5 months [95% confidence interval (CI), 9.9-13.9] for TAS102 plus BEV, 8.1 months (95% CI, 6.8-9.2) for TAS102 monotherapy, and 6.8 months (95% CI, 5.7-8.5) for regorafenib monotherapy. The hazard ratios were 0.67 (95% CI, 0.51-0.88) for TAS102 plus BEV versus TAS102 monotherapy and 0.71 (95% CI, 0.54-0.94) for TAS102 plus BEV versus regorafenib monotherapy. Median progression-free survival (PFS) was 4.4 months (95% CI, 3.7-5.4) for TAS102 plus BEV, 2.5 months (95% CI, 1.6-2.3) for TAS102 monotherapy, and 2.1 months (95% CI, 1.6-2.3) for regorafenib monotherapy. The hazard ratios were 0.57 (95% CI, 0.45-0.73) for TAS102 plus BEV versus TAS102 monotherapy and 0.44 (95% CI, 0.34-0.58) for TAS102 plus BEV versus regorafenib monotherapy. On multivariate analysis, TAS102 plus BEV was independently correlated with better OS and PFS. No unexpected adverse events were observed in any group.ConclusionOur study shows that OS and PFS are longer in patients treated with TAS102 plus BEV than in those treated with TAS102 or regorafenib monotherapy.

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Trifluridine/Tipiracil (TAS-102) With or Without Thalidomide for the Treatment of Metastatic Colorectal Cancer

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single cell RNA-Seq of Dugesia japonica

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Project description:This was a single-arm, prospective study to investigate the safety of cetuximab in combination with trifluridin tipiracil (TAS-102) in the third-line treatment of Chinese patients with RAS wild-type mCRC.

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Study of Trifluridine/Tipiracil (TAS-102) in Patients With Metastatic Colorectal Cancer in Asia

Project description:To compare the effects of TAS-102 with placebo in patients with metastatic colorectal cancer refractory or intolerable to standard chemotherapies.

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Trifluridine/tipiracil(TAS-102)-induced nausea and vomiting in patients with colorectal cancer: a prospective, observational, multicenter study

Project description:Primary outcome(s): Incidence of vomiting during the 14 days after starting TAS-102

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Seasonal bud dormancy progression

Project description:This study investigated changes in the transcriptome of outdoor grown leafy spurge crown buds as they progress from paradormancy in August and September into endo dormancy in October through to ecodormancy in November and December. Keywords: Dormancy leafy spurge adventitious-buds

2007-08-24 | GSE8849 | GEO

Monitoring trifluridine incorporation in the peripheral blood mononuclear cells of colorectal cancer patients under trifluridine/tipiracil medication.

Project description:Trifluridine/tipiracil (TFTD, TAS-102) is an orally administrated anti-cancer drug with efficacy validated for patients with metastatic colorectal cancer (mCRC). Trifluridine (FTD) is an active cytotoxic component of TFTD and mediates the anticancer effect via its incorporation into DNA. However, it has not been examined whether FTD is incorporated into the tissues of patients who received TFTD medication. By detecting FTD incorporation into DNA by a specific antibody, we successfully detected FTD in the bone marrow and spleen cells isolated from FTD-challenged mice as well as human peripheral blood mononuclear cells (PBMCs) activated with phytohemagglutinin-P and exposed to FTD in vitro. FTD was also detected in PBMCs isolated from mCRC patients who had administrated TFTD medication. Intriguingly, weekly evaluation of PBMCs from mCRC patients revealed the percentage of FTD-positive PBMCs increased and decreased in parallel with the administration and cessation of TFTD medication, respectively. To our knowledge, this is the first report to detect an active cytotoxic component of a chemotherapeutic drug in clinical specimens using a specific antibody. This technique may enable us to predict the clinical benefits or the adverse effects of TFTD in mCRC patients.

| S-EPMC5717244 | biostudies-literature

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