RT Journal Article T1 Networking for advanced molecular diagnosis in acute myeloid leukemia patients is possible: the PETHEMA NGS-AML project. A1 Sargas, Claudia A1 Ayala, Rosa A1 Chillón, María Carmen A1 Larráyoz, María J A1 Carrillo-Cruz, Estrella A1 Bilbao, Cristina A1 Yébenes-Ramírez, Manuel A1 Llop, Marta A1 Rapado, Inmaculada A1 García-Sanz, Ramón A1 Vázquez, Iria A1 Soria, Elena A1 Florido-Ortega, Yanira A1 Janusz, Kamila A1 Botella, Carmen A1 Serrano, Josefina A1 Martínez-Cuadrón, David A1 Bergua, Juan A1 Amigo, Mari Luz A1 Martínez-Sánchez, Pilar A1 Tormo, Mar A1 Bernal, Teresa A1 Herrera-Puente, Pilar A1 García, Raimundo A1 Algarra, Lorenzo A1 Sayas, María J A1 Costilla-Barriga, Lisette A1 Pérez-Santolalla, Esther A1 Marchante, Inmaculada A1 Lavilla-Rubira, Esperanza A1 Noriega, Víctor A1 Alonso-Domínguez, Juan M A1 Sanz, Miguel Á A1 Sánchez-Garcia, Joaquín A1 Gómez-Casares, María T A1 Pérez-Simón, José A A1 Calasanz, María J A1 González-Díaz, Marcos A1 Martínez-López, Joaquín A1 Barragán, Eva A1 Montesinos, Pau AB Next-Generation Sequencing has recently been introduced to efficiently and simultaneously detect genetic variations in acute myeloid leukemia. However, its implementation in the clinical routine raises new challenges focused on the diversity of assays and variant reporting criteria. To overcome this challenge, the PETHEMA group established a nationwide network of reference laboratories aimed to deliver molecular results in the clinics. We report the technical cross-validation results for next-generation sequencing panel genes during the standardization process and the clinical validation in 823 samples of 751 patients with newly diagnosed or refractory/relapse acute myeloid leukemia. Two cross-validation rounds were performed in seven nationwide reference laboratories in order to reach a consensus regarding quality metrics criteria and variant reporting. In the pre-standardization cross-validation round, an overall concordance of 60.98% was obtained with a great variability in selected genes and conditions across laboratories. After consensus of relevant genes and optimization of quality parameters the overall concordance rose to 85.57% in the second cross-validation round. We show that a diagnostic network with harmonized next-generation sequencing analysis and reporting in seven experienced laboratories is feasible in the context of a scientific group. This cooperative nationwide strategy provides advanced molecular diagnostic for acute myeloid leukemia patients of the PETHEMA group. YR 2021 FD 2021-12-01 LK https://hdl.handle.net/10668/25271 UL https://hdl.handle.net/10668/25271 LA en DS RISalud RD Apr 17, 2025