Bertamini L. B04 | Blood-based risk stratification of myeloma patients using circulating tumor cells: results from the European CTC Consortium: L. Bertamini1, D. Zihala2, I. V. Kostopoulos3, M. D’Agostino4, E. Martín-Sánchez5, J. J. Garcés Latre5, D. Hofste Op Bruinink1, N. Puig6, S. Zweegman7, G. Bertuglia4, P. Malandrakis8, T. Sevcikova2, T. Cupedo1, N. W. C. J. Van De Donk7, M. T. Cedena9, P. Musto10, I. Ntanasis-Stathopoulos8, O. Venglar2, M. Van Duin1, J. J. Lahuerta9, D. Rota Scalabrini11, O. Tsitsilonis3, T. Popkova2, J. Blade12, E. Zamagni13, M. Gavriatopoulou8, L. Muronova2, B. Van Der Holt1|14, P. Moreau15, M. V. Mateos6, M. Galli16, E. Katodritou17, M. Stork18, A. Belotti19, P. Rousakis3, M. Borsky18, J. Corre20, M. Boccadoro21, M. Dimopoulos8, R. Hajek2, J. San Miguel5, P. Sonneveld1, F. Gay4, E. Terpos8, A. Broijl1, B. Paiva3 , T. Jelinek2 | 1 Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, the Netherlands; 2Department of Hemato-oncology, University Hospital Ostrava and Faculty of Medicine, University of Ostrava, Czech Republic; 3Department of Biology, School of Science, National and Kapodistrian University of Athens, Greece; 4Division of Hematology, AOU Città della Salute e della Scienza di Torino, University of Torino and Department of Molecular Biotechnology and Health Sciences, Turin, Italy;5Cancer Center Clínica Universidad de Navarra, Pamplona, Spain; 6Hospital Universitario, Salamanca, Spain; 7Department of Hematology, Amsterdam University Medical Center and Vrije Universiteit, Amsterdam, the Netherlands; 8Department of Clinical Therapeutics School of Medicine, National and Kapodistrian University of Athens, Greece; 9Hospital Universitario 12 De Octubre, Madrid, Spain; 10Department of Precision and Regenerative Medicine and Ionian Area,"Aldo Moro" University School of Medicine, and Unit of Hematology and Stem Cell Transplantation, AOUC Policlinico, Bari, Italy; 11Multidisciplinary Oncology Outpatient Clinic, Candiolo Cancer Institute, FPO-IRCCS, Tuin, Italy; 12Hospital Clínic de Barcelona, Spain; 13IRCCS Azienda Ospedaliero-Universitaria di Bologna, Istituto di Ematologia "Seràgnoli", Bologna, Italy; 14HOVON Foundation, The Netherlands; 15Hematology Department, University Hospital Hôtel-Dieu, Paris, France; 16Hematology and Bone Marrow Transplant Unit, ASST Papa Giovanni XXIII, Bergamo, Italy; 17Department of Hematology, Theageneio Cancer Hospital, Thessaloniki, Greece; 18Department of Internal Medicine, Hematology and Oncology, University Hospital and Faculty of Medicine, Masaryk University, Brno, Czech Republic; 19Department of Hematology, ASST Spedali Civili di Brescia, Italy; 20Unité de Génomique du Myélome, University Hospital, IUCT-Oncopole, CRCT; Toulouse, France; 21European Myeloma Network. haematol [Internet]. 2026Mar.25 [cited 2026Mar.29];111(s2). Available from: https://haematologica.org/article/view/13414