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Revista de la OFIL

On-line version ISSN 1699-714XPrint version ISSN 1131-9429

Abstract

SALMERON NAVAS, FJ; RIOS SANCHEZ, E  and  BARREIRO FERNANDEZ, EM. Effectiveness and safety of palbociclib in women with hormone receptor-positive metastatic breast cancer: real-life results. Rev. OFIL·ILAPHAR [online]. 2023, vol.33, n.1, pp.15-20.  Epub Nov 27, 2023. ISSN 1699-714X.  https://dx.doi.org/10.4321/s1699-714x2023000100004.

Objectives:

The aim of this study is to evaluate the effectiveness and safety of palbociclib in women with metastatic breast cancer with positive hormone receptors and human epidermal growth factor receptor 2-negative.

Materials and methods:

A retrospective descriptive study including women receiving palbociclib from January 2017 until July 2020. Patients were included depending on whether it met the criteria of the therapeutic positioning report for CDK4/6 inhibitors published in 2018, expanding their use after further updating. Effectiveness was assessed by measuring progression-free survival and overall survival from the Kaplan-Meier method. Safety was assessed by the number of adverse reactions and their degree according to "Common Terminology Criteria for Adverse Events" version 5.0.

Resultados:

Se incluyeron 60 pacientes en el estudio. La mediana de edad fue de 58,7 años, con un 35% de las pacientes pre-/perimenopáusicas. La mediana de SLP para las pacientes en primera línea en estado postmenopáusicas y segunda línea en estado post-, pre- y perimenopáusicas fue de 21,18 meses (IC95%; NA-NA) y 17,79 meses (IC95%; 7,18-28,39) respectivamente y no se alcanzó la mediana para la SG en ninguno de los dos casos. El efecto adverso más frecuente grado ≥3 fue la neutropenia.

Conclusiones:

Palbociclib ha mostrado un beneficio a nivel de efectividad con un perfil de seguridad tolerable en mujer con cáncer de mama metastásico.

Keywords : Palbociclib; breast neoplasms; fulvestrant; letrozole; Kaplan-Meier analysis; progression-free survival; neutropenia.

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