Clinical and Translational Oncology

, Volume 21, Issue 12, pp 1781–1785 | Cite as

Trifluridine/Tipiracil (TAS-102) for refractory metastatic colorectal cancer in clinical practice: a feasible alternative for patients with good performance status

  • C. CarrilesEmail author
  • P. Jimenez-Fonseca
  • M. Sánchez-Cánovas
  • P. Pimentel
  • A. Carmona-Bayonas
  • T. García
  • M. Carbajales-Álvarez
  • A. Lozano-Blázquez
Brief Research Article



Our aim was to assess efficacy and safety and prognostic factors associated with TAS-102 in clinical practice.


Retrospective, multicenter, and observational study including patients with advanced refractory colorectal cancer who started TAS-102 between March 2016 and August 2018. The primary end point was overall survival (OS). Secondary end points included progression-free survival, toxicity and analyze prognostic factors present at the beginning of TAS-102.


84 patients were evaluable. The median OS was 8.30 (95% CI 6.23–9.87) months and PFS was 2.62 (95% CI 2.36–3.05) months. In multivariate analysis, ECOG 0 and reduced dose combined with more cycles were associated with better prognosis. Patients with an ECOG > 0 had worse prognosis (HR 3.34, 95% CI 1.09–10.27, p = 0.035). 95.2% experienced some type of adverse effect and 45.2% had grade ≥ 3 toxicities.


Results suggest reconsidering TAS-102 in patients with ECOG > 0, something that should be investigated in prospective randomized clinical trials.


ECOG Multivariate PROGNOSIS Progression-free survival Survival Toxicity 



The authors are grateful for the statistical analysis to the Unidad de Consultoría Estadística de los Servicios Científico-Técnicos de la Universidad de Oviedo.


This is an academic study supported by the authors.

Compliance with ethical standards

Conflict of interest

The authors declare that they do not have any conflict of interest that may inappropriately influence this work.

Ethical statement

The study has been performed in accordance with the ethical standards of the Declaration of Helsinki and its later amendments. This study is an observational, non-interventionist trial.

Informed consent

Signed informed consent was obtained from all patients.


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Copyright information

© Federación de Sociedades Españolas de Oncología (FESEO) 2019

Authors and Affiliations

  1. 1.Department of PharmacyHospital Universitario Central de AsturiasOviedoSpain
  2. 2.Department of Medical OncologyHospital Universitario Central de AsturiasOviedoSpain
  3. 3.Department of Hematology and Medical OncologyHospital Universitario Morales Meseguer, UMU, IMIBMurciaSpain
  4. 4.Department of Medical OncologyHospital Universitario Santa LucíaCartagenaSpain

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