High-risk cytogenetics and persistent minimal residual disease by multiparameter flow cytometry predict unsustained complete response after autologous stem cell transplantation in multiple myeloma

Autor: Luis Palomera, Joan Bladé, María-Belén Vidriales, Bruno Paiva, Alejandro Martín, María-Angeles Montalbán, Albert Oriol, Adrian Alegre, Lourdes Cordón, Maria-Victoria Mateos, Felipe de Arriba, MT Cibeira, María-Asunción Echeveste, Anna Sureda, Raquel de Paz, Juan José Lahuerta, Ana Gorosquieta, Jesús F. San Miguel, Laura Rosiñol, Miguel T. Hernandez, Norma C. Gutiérrez, Joaquín Díaz-Mediavilla, Javier de la Rubia, María-José Terol, Joaquin Martinez-Lopez
Přispěvatelé: Instituto de Salud Carlos III, Red Temática de Investigación Cooperativa en Cáncer (España), Junta de Castilla y León
Rok vydání: 2012
Předmět:
Zdroj: Digital.CSIC. Repositorio Institucional del CSIC
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Popis: et al. PETHEMA/GEM (Programa para el Estudio de la Terapéutica en Hemopatías Malignas/Grupo Español de Mieloma) Cooperative Study Groups.
The achievement of complete response (CR) after high-dose therapy/autologous stem cell transplantation (HDT/ASCT) is a surrogate for prolonged survival in multiple myeloma; however, patients who lose their CR status within 1 year of HDT/ASCT (unsustained CR) have poor prognosis. Thus, the identification of these patients is highly relevant. Here, we investigate which prognostic markers can predict unsustained CR in a series of 241 patients in CR at day +100 after HDT/ASCT who were enrolled in the Spanish GEM2000 (n = 140) and GEM2005 < 65y (n = 101) trials. Twenty-nine (12%) of the 241 patients showed unsustained CR and a dismal outcome (median overall survival 39 months). The presence of baseline high-risk cytogenetics by FISH (hazard ratio 17.3; P = .002) and persistent minimal residual disease by multiparameter flow cytometry at day +100 after HDT/ASCT (hazard ratio 8.0; P = .005) were the only independent factors that predicted unsustained CR. Thus, these 2 parameters may help to identify patients in CR at risk of early progression after HDT/ASCT in whom novel treatments should be investigated.
This work was supported by the Cooperative Research Thematic Network (RTICs; RD06/0020/0006, RD06/0020/0005, RD06/0020/0031, RD06/0020/0101, RD06/0020/1056, and G03/136), MM Jevitt, SL Firm, Instituto de Salud Carlos III/Subdirección General de Investigación Sanitaria (FIS: PI060339; 06/1354; 02/0905; 01/0089/01-02; PS09/01 897), and Consejería de Sanidad, Junta de Castilla y León, Valladolid, Spain (557/A/10).
Databáze: OpenAIRE