The AGAMENON-SEOM model for prediction of survival in patients with advanced HER2-positive oesophagogastric adenocarcinoma receiving first-line trastuzumab-based therapy


Por: Jimenez-Fonseca P., Foy V., Raby S., Carmona-Bayonas A., Macía-Rivas L., Arrazubi V., Cacho Lavin D., Hernandez San Gil R., Custodio A., Cano J.M., Fernández Montes A., Mirallas O., Macias Declara I., Vidal Tocino R., Visa L., Limón M.L., Pimentel P., Martínez Lago N., Sauri T., Martín Richard M., Mangas M., Gil Raga M., Calvo A., Reguera P., Granja M., Martín Carnicero A., Hernández Pérez C., Cerdá P., Gomez Gonzalez L., Garcia Navalon F., Pacheco Barcia V., Gutierrez Abad D., Ruiz Martín M., Weaver J., Mansoor W., Gallego J.

Publicada: 1 ene 2023 Ahead of Print: 4 mar 2023
Resumen:
BACKGROUND: Trastuzumab and chemotherapy is the standard first-line treatment in human epidermal growth factor receptor 2 (HER2)-positive advanced gastro-oesophageal cancer. The objective was to develop a predictive model for overall survival (OS) and progression-free survival (PFS) in patients treated with trastuzumab. METHODS: Patients with HER2-positive advanced gastro-oesophageal adenocarcinoma (AGA) from the Spanish Society of Medical Oncology (SEOM)-AGAMENON registry and treated first line with trastuzumab and chemotherapy between 2008 and 2021 were included. The model was externally validated in an independent series (The Christie NHS Foundation Trust, Manchester, UK). RESULTS: In all, 737 patients were recruited (AGAMENON-SEOM, n = 654; Manchester, n = 83). Median PFS and OS in the training cohort were 7.76 [95% confidence interval (CI), 7.13-8.25] and 14.0 months (95% CI, 13.0-14.9), respectively. Six covariates were significantly associated with OS: neutrophil-to-lymphocyte ratio, Eastern Cooperative Oncology Group performance status, Lauren subtype, HER2 expression, histological grade and tumour burden. The AGAMENON-HER2 model demonstrated adequate calibration and fair discriminatory ability with a c-index for corrected PFS/OS of 0.606 (95% CI, 0.578-0.636) and 0.623 (95% CI, 0.594-0.655), respectively. In the validation cohort, the model is well calibrated, with a c-index of 0.650 and 0.683 for PFS and OS, respectively. CONCLUSION: The AGAMENON-HER2 prognostic tool stratifies HER2-positive AGA patients receiving trastuzumab and chemotherapy according to their estimated survival endpoints.

Filiaciones:
Jimenez-Fonseca P.:
 Medical Oncology Department, Hospital Universitario Central de Asturias, ISPA, Oviedo, Spain

Foy V.:
 Department of Medical Oncology, Christie Hospital, Manchester, United Kingdom

Raby S.:
 Department of Medical Oncology, Christie Hospital, Manchester, United Kingdom

Carmona-Bayonas A.:
 Medical Oncology Department, Hospital Universitario Morales Meseguer, Calle Marqués de los Vélez, s/n, Murcia, 30007, Spain

Macía-Rivas L.:
 Pharmacy Department, Hospital Universitario Central de Asturias, Oviedo, Spain

Arrazubi V.:
 Medical Oncology Department, Complejo Hospitalario de Navarra, IdiSNA (Navarra Institute for Health Research), Pamplona, Spain

Cacho Lavin D.:
 Medical Oncology Department, Hospital Universitario Marqués de Valdecilla, IDIVAL, Santander, Spain

Hernandez San Gil R.:
 Medical Oncology Department, Hospital Universitario de Canarias, Tenerife, Spain

Custodio A.:
 Medical Oncology Department, Hospital Universitario La Paz, CIBERONC CB16/12/00398, Madrid, Spain

Cano J.M.:
 Medical Oncology Department, Hospital General Universitario de Ciudad Real, Ciudad Real, Spain

Fernández Montes A.:
 Medical Oncology Department, Complejo Hospitalario de Orense, Orense, Spain

Mirallas O.:
 Medical Oncology Department, Hospital Universitario Vall d’Hebron, Vall Hebron Institute of Oncology (VHIO), Barcelona, Spain

Macias Declara I.:
 Medical Oncology Department, Hospital Universitario Parc Tauli, Sabadell, Spain

Vidal Tocino R.:
 Medical Oncology Department, Complejo Asistencial Universitario de Salamanca-IBSAL, Salamanca, Spain

Visa L.:
 Medical Oncology Department, Hospital Universitario El Mar, Barcelona, Spain

Limón M.L.:
 Medical Oncology Department, Hospital Universitario Virgen del Rocío, Sevilla, Spain

Pimentel P.:
 Medical Oncology Department, Hospital General Universitario Santa Lucía, Cartagena, Spain

Martínez Lago N.:
 Medical Oncology Department, Complejo Hospitalario Universitario de A Coruña, A Coruña, Spain

Sauri T.:
 Medical Oncology Department, Hospital Clinic, IDIBAPS, Barcelona, Spain

Martín Richard M.:
 Medical Oncology Department, Catalan Institute of Oncology, Barcelona, Spain

Mangas M.:
 Medical Oncology Department, Hospital Galdakao-Usansolo, Usansolo, Spain

Gil Raga M.:
 Medical Oncology Department, Hospital General Universitario de Valencia, Valencia, Spain

Calvo A.:
 Medical Oncology Department, Hospital Universitario Gregorio Marañón, Madrid, Spain

Reguera P.:
 Medical Oncology Department, Hospital Universitario Ramón y Cajal, Madrid, Spain

Granja M.:
 Medical Oncology Department, Hospital Universitario Clínico San Carlos, Madrid, Spain

Martín Carnicero A.:
 Medical Oncology Department, Hospital San Pedro, Logroño, Spain

Hernández Pérez C.:
 Medical Oncology Department, Hospital Universitario Nuestra Señora de the Candelaria, Santa Cruz de Tenerife, Spain

Cerdá P.:
 Medical Oncology Department, Hospital Universitario Santa Creu i Sant Pau, Barcelona, Spain

Gomez Gonzalez L.:
 Medical Oncology Department, Hospital General Universitario de Alicante, Alicante, Spain

Garcia Navalon F.:
 Medical Oncology Department, Hospital Universitario Son Llatzer, Mallorca, Spain

Pacheco Barcia V.:
 Medical Oncology Department, Hospital Universitario de Torrejón, Madrid, Spain

Gutierrez Abad D.:
 Medical Oncology Department, Hospital Universitario de Fuenlabrada, Madrid, Spain

Ruiz Martín M.:
 Medical Oncology Department, Hospital Universitario Rio Carrión de Zamora, Zamora, Spain

Weaver J.:
 Department of Medical Oncology, Christie Hospital/University of Manchester, Manchester, United Kingdom

Mansoor W.:
 Department of Medical Oncology, Christie Hospital/University of Manchester, Manchester, United Kingdom

Gallego J.:
 Medical Oncology Department, Hospital General Universitario of Elche, Elche, Spain
ISSN: 17588340
Editorial
SAGE PUBLICATIONS LTD, 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND, Reino Unido
Tipo de documento: Article
Volumen: 15 Número:
Páginas:
WOS Id: 000943283400001
ID de PubMed: 36895850
imagen gold, Green Published, All Open Access, Gold, Green

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