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Supervivencia global del cáncer colorrectal metastásico en Lima Metropolitana: relación con el estado mutacional del gen KRAS / Overall survival of metastatic colorectal cancer in Lima: Relationship with the KRAS gene mutational status
Aldecoa, Franklin.
  • Aldecoa, Franklin; Clínica Internacional. Lima. PE
Acta méd. peru ; 37(2): 122-129, abr-jun 2020. tab, graf
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1141986
RESUMEN
RESUMEN

Objetivos:

el objetivo principal del estudio fue evaluar la supervivencia global en pacientes con carcinoma colorrectal metastásico (CCRm) cuyos tumores tuvieran el gen KRAS mutado frente al no mutado. Materiales y

métodos:

se analizaron los datos de las historias clínicas de pacientes con CCRm (enero 2010 - diciembre 2013) de diferentes hospitales de Lima Metropolitana, cuyos tumores tuvieron evaluación del estado mutacional del exón 2, gen KRAS. Se usaron la curva de supervivencia de Kaplan-Meier y la prueba de long rank o Breslow para las comparaciones de las curvas de supervivencia.

Resultados:

de los 320 casos analizados, hubo 227 pacientes (70,93%) con KRAS no mutado y 93 (29,07%) con KRAS mutado. La supervivencia global de pacientes con CCRm y KRAS mutado fue mayor que los pacientes con KRAS no mutado (hazart ratio 0,73; IC 95% 0,55 - 0,98; p=0,037).

Conclusión:

la población con CCRm y KRAS mutado estudiada en centros médicos de Lima Metropolitana tuvo una supervivencia mayor, comparada con la no mutada, comportamiento diferente a lo encontrado en la literatura mundial.
ABSTRACT
ABSTRACT

Objectives:

The main goal for this study was to evaluate overall survival in mCRC patients with mutated vs. wild type KRAS gene (exon 2) status. Materials and

Methods:

Between January 2010 and December 2013, data from clinical records of mCRC patients from different hospitals in Lima, stating an assessment of the KRAS gene mutation status (exon 2), were analyzed. Kaplan-Meier survival estimates and Log-Rank or Breslow Test were used to compare the survival curves.

Results:

Three-hundred and twenty cases were analyzed. There were 227 patients (70.93%) with wild type KRAS and 93 (29.07%) with mutated KRAS. The overall survival of mCRC patients and mutated KRAS was higher than that of patients with wild type KRAS (HR 0.73; 95% CI 0.55-0.98; P= 0.037).

Conclusion:

Patients with mCRC and mutated KRAS who were studied in Lima have higher survival rates compared to wild type patients, being this different from what is found in the world literature.


Full text: Available Index: LILACS (Americas) Language: Spanish Journal: Acta méd. peru Journal subject: Medicine Year: 2020 Type: Article Affiliation country: Peru Institution/Affiliation country: Clínica Internacional/PE

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Full text: Available Index: LILACS (Americas) Language: Spanish Journal: Acta méd. peru Journal subject: Medicine Year: 2020 Type: Article Affiliation country: Peru Institution/Affiliation country: Clínica Internacional/PE