A

High-risk additional chromosomal abnormalities at low blast counts herald death by CML

Leukemia, vol. 34, pp. 2074–2086

Abstract

Blast crisis is one of the remaining challenges in chronic myeloid leukemia (CML). Whether additional chromosomal abnormalities (ACAs) enable an earlier recognition of imminent blastic proliferation and a timelier change of treatment is unknown. One thousand five hundred and ten imatinib-treated patients with Philadelphia-chromosome-positive (Ph+) CML randomized in CML-study IV were analyzed for ACA/Ph+ and blast increase. By impact on survival, ACAs were grouped into high risk (+8, +Ph, i(17q), +17, +19, +21, 3q26.2, 11q23, -7/7q abnormalities; complex) and low risk (all other). The presence of high- and low-risk ACAs was linked to six cohorts with different blast levels (1%, 5%, 10%, 15%, 20%, and 30%) in a Cox model. One hundred and twenty-three patients displayed ACA/Ph+ (8.1%), 91 were high risk. At low blast levels (1-15%), high-risk ACA showed an increased hazard to die compared to no ACA (ratios: 3.65 in blood; 6.12 in marrow) in contrast to low-risk ACA. No effect was observed at blast levels of 20-30%. Sixty-three patients with high-risk ACA (69%) died (n = 37) or were alive after progression or progression-related transplantation (n = 26). High-risk ACA at low blast counts identify end-phase CML earlier than current diagnostic systems. Mortality was lower with earlier treatment. Cytogenetic monitoring is indicated when signs of progression surface or response to therapy is unsatisfactory.

Authors 86

  1. Rüdiger Hehlmann corresponding

    Heidelberg University · Medizinische Fakultät Mannheim

    Affiliation as printed

    ELN Foundation, Weinheim, Germany. hehlmann.eln@gmail.com

    III. Medizinische Klinik, Medizinische Fakultät Mannheim, Universität Heidelberg, Mannheim, Germany. hehlmann.eln@gmail.com

    ELN Foundation, Weinheim, Germany

  2. Heidelberg University · Medizinische Fakultät Mannheim

    Affiliation as printed

    III. Medizinische Klinik, Medizinische Fakultät Mannheim, Universität Heidelberg, Mannheim, Germany

  3. Ludwig-Maximilians-Universität München

    Affiliation as printed

    IBE Universität München, München, Germany

  4. Ludwig-Maximilians-Universität München

    Affiliation as printed

    IBE Universität München, München, Germany

  5. Heidelberg University · Medizinische Fakultät Mannheim

    Affiliation as printed

    III. Medizinische Klinik, Medizinische Fakultät Mannheim, Universität Heidelberg, Mannheim, Germany

  6. Heidelberg University · Medizinische Fakultät Mannheim

    Affiliation as printed

    III. Medizinische Klinik, Medizinische Fakultät Mannheim, Universität Heidelberg, Mannheim, Germany

  7. Heidelberg University · Medizinische Fakultät Mannheim

    Affiliation as printed

    III. Medizinische Klinik, Medizinische Fakultät Mannheim, Universität Heidelberg, Mannheim, Germany

  8. Munich Leukemia Laboratory (Germany)

    Affiliation as printed

    MLL, München, Germany

  9. Medizinische Hochschule Hannover

    Affiliation as printed

    Institut für Humangenetik, MHH, Hannover, Germany

  10. Heidelberg University · Medizinische Fakultät Mannheim

    Affiliation as printed

    III. Medizinische Klinik, Medizinische Fakultät Mannheim, Universität Heidelberg, Mannheim, Germany

  11. Heidelberg University · Medizinische Fakultät Mannheim

    Affiliation as printed

    III. Medizinische Klinik, Medizinische Fakultät Mannheim, Universität Heidelberg, Mannheim, Germany

  12. Heidelberg University · Medizinische Fakultät Mannheim

    Affiliation as printed

    III. Medizinische Klinik, Medizinische Fakultät Mannheim, Universität Heidelberg, Mannheim, Germany

  13. Heidelberg University · Medizinische Fakultät Mannheim

    Affiliation as printed

    Institut für Transfusionsmedizin und Immunologie, Medizinische Fakultät Mannheim, Universität Heidelberg und DRK-Blutspendedienst, Mannheim, Germany

  14. Universitätsklinikum Erlangen

    Affiliation as printed

    Medizinische Klinik 5, Universitätsklinikum, Erlangen, Germany

  15. Ludwig-Maximilians-Universität München

    Affiliation as printed

    Medizinische Klinik III, Universitätsklinikum Großhadern, München, Germany

  16. Universitätsklinikum Gießen und Marburg

    Affiliation as printed

    Klinik für Innere Medizin, Universitätsklinikum, Marburg, Germany

  17. University Medical Center Hamburg-Eppendorf

    Affiliation as printed

    2. Medizinische Klinik, Universitätsklinikum Eppendorf, Hamburg, Germany

  18. München Klinik Schwabing

    Affiliation as printed

    Klinikum Schwabing, München, Germany

  19. University Hospital of Basel

    Affiliation as printed

    Universitätsspital, Basel, Switzerland

  20. University Hospital of Bern

    Affiliation as printed

    Inselspital, Bern, Switzerland

  21. Universitätsklinikum Gießen und Marburg

    Affiliation as printed

    Klinik für Innere Medizin, Universitätsklinikum, Marburg, Germany

  22. Universitätsklinikum Aachen

    Affiliation as printed

    Uniklinik RWTH, Aachen, Germany

  23. Jena University Hospital

    Affiliation as printed

    Klinik für Innere Medizin II, Universitätsklinikum, Jena, Germany

  24. Heidelberg University · Medizinische Fakultät Mannheim

    Affiliation as printed

    III. Medizinische Klinik, Medizinische Fakultät Mannheim, Universität Heidelberg, Mannheim, Germany

  25. IRCCS Azienda Ospedliero-Universitaria di Bologna Policlinico di Sant'Orsola · University of Bologna

    Affiliation as printed

    Department of Hematology-Oncology, Policlinico S.Orsola-Malpighi, University of Bologna, Bologna, Italy

  26. Klinikum St. Marien Amberg

    Affiliation as printed

    Klinikum St. Marien, Amberg, Germany

    Ambulantes Onkologiezentrum, Ansbach, Germany

  27. University Hospital Augsburg

    Affiliation as printed

    Klinikum, Augsburg, Germany

    Gemeinschaftspraxis für Hämatologie und Onkologie, Aurich, Germany

  28. Affiliation as printed

    Gemeinschaftspraxis für Hämatologie und Onkologie, Aurich, Germany

  29. Affiliation as printed

    Gemeinschaftspraxis für Hämatologie und Onkologie, Aurich, Germany

    Klinikum am Plattenwald, Bad Friedrichshall, Germany

  30. Affiliation as printed

    Klinikum am Plattenwald, Bad Friedrichshall, Germany

    Klinikum, Bad Hersfeld, Germany

  31. Helios Hospital Bad Saarow

    Affiliation as printed

    Klinikum, Bad Hersfeld, Germany

    Helios Klinikum, Bad Saarow, Germany

  32. Klinikum Mittelbaden · Vinzenz Pallotti Hospital Bensberg

    Affiliation as printed

    Stadtklinik, Baden-Baden, Germany

    Vinzenz Pallotti Hospital Bensberg, Bergisch Gladbach, Germany

  33. Vivantes Klinikum · Vinzenz Pallotti Hospital Bensberg

    Affiliation as printed

    Vinzenz Pallotti Hospital Bensberg, Bergisch Gladbach, Germany

    Vivantes Krankenhaus Am Urban, Berlin, Germany

  34. Vivantes Klinikum · St. Hedwig-Krankenhaus

    Affiliation as printed

    Vivantes Krankenhaus Am Urban, Berlin, Germany

    St. Hedwig-Krankenhaus, Berlin, Germany

  35. St. Hedwig-Krankenhaus

    Affiliation as printed

    St. Hedwig-Krankenhaus, Berlin, Germany

    Praxis für Innere Medizin, Berlin, Germany

  36. Affiliation as printed

    Praxis für Innere Medizin, Berlin, Germany

    Onkologische Schwerpunktpraxis Tiergarten, Berlin, Germany

  37. Affiliation as printed

    Onkologische Schwerpunktpraxis Tiergarten, Berlin, Germany

    Onkologische Schwerpunktpraxis Berlin-Mitte, Berlin, Germany

  38. Affiliation as printed

    Onkologische Schwerpunktpraxis Berlin-Mitte, Berlin, Germany

  39. Affiliation as printed

    Onkologische Praxis am Gesundbrunnen, Berlin, Germany

    MVZ Hämatologie Onkologie Tempelhof, Berlin, Germany

  40. Helios Hospital Berlin-Buch

    Affiliation as printed

    MVZ Hämatologie Onkologie Tempelhof, Berlin, Germany

    Helios Klinikum Buch, Berlin, Germany

  41. Helios Hospital Berlin-Buch · Stiftung Charité · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Helios Klinikum Buch, Berlin, Germany

    Charité-Campus Virchow, Berlin, Germany

  42. Stiftung Charité · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Campus Virchow, Berlin, Germany

  43. Vivantes Klinikum · Stiftung Charité · Charité - Universitätsmedizin Berlin

    Affiliation as printed

    Charité-Campus Virchow, Berlin, Germany

    Vivantes Klinikum Neukölln, Berlin, Germany

  44. Vivantes Klinikum

    Affiliation as printed

    Vivantes Klinikum Neukölln, Berlin, Germany

    Campus Benjamin Franklin, Berlin, Germany

  45. Affiliation as printed

    Campus Benjamin Franklin, Berlin, Germany

    Onkologische Schwerpunktpraxis, Bielefeld, Germany

  46. Universitätsklinikum Knappschaftskrankenhaus Bochum

    Affiliation as printed

    Onkologische Schwerpunktpraxis, Bielefeld, Germany

    Universitätsklinik Knappschaftskrankenhaus, Bochum, Germany

  47. Universitätsklinikum Knappschaftskrankenhaus Bochum

    Affiliation as printed

    Universitätsklinik Knappschaftskrankenhaus, Bochum, Germany

  48. Universitätsklinikum Knappschaftskrankenhaus Bochum · Augusta-Kranken-Anstalt

    Affiliation as printed

    Universitätsklinik Knappschaftskrankenhaus, Bochum, Germany

    Augusta-Kranken-Anstalt, Bochum, Germany

  49. Augusta-Kranken-Anstalt · Johanniter-Krankenhaus Bonn

    Affiliation as printed

    Augusta-Kranken-Anstalt, Bochum, Germany

    Johanniter-Krankenhaus, Bonn, Germany

  50. Johanniter-Krankenhaus Bonn

    Affiliation as printed

    Johanniter-Krankenhaus, Bonn, Germany

  51. Johanniter-Krankenhaus Bonn

    Affiliation as printed

    Johanniter-Krankenhaus, Bonn, Germany

    Zentrum für ambulante Hematologie und Onkologie, Bonn, Germany

  52. Affiliation as printed

    Zentrum für ambulante Hematologie und Onkologie, Bonn, Germany

    Medizinische Klinik III, Bonn, Germany

  53. Affiliation as printed

    Medizinische Klinik III, Bonn, Germany

    Knappschaftskrankenhaus, Bottrop, Germany

  54. Universitätsklinikum Brandenburg an der Havel

    Affiliation as printed

    Knappschaftskrankenhaus, Bottrop, Germany

    Städtisches Klinikum, Brandenburg, Germany

  55. Klinikum Braunschweig · Universitätsklinikum Brandenburg an der Havel

    Affiliation as printed

    Städtisches Klinikum, Brandenburg, Germany

    Klinikum, Braunschweig, Germany

  56. Klinikum Braunschweig

    Affiliation as printed

    Klinikum, Braunschweig, Germany

    Gemeinschaftspraxis für Hämatologie und Onkologie, Bremen, Germany

  57. DIAKO · Klinikum Bremen-Mitte

    Affiliation as printed

    DIAKO, Bremen, Germany

    Klinikum Bremen Mitte, Bremen, Germany

  58. Klinikum Bremen-Mitte

    Affiliation as printed

    Klinikum Bremen Mitte, Bremen, Germany

    Onkologische Schwerpunktpraxis, Brühl, Germany

  59. Klinikum Chemnitz

    Affiliation as printed

    Lukas Krankenhaus, Bünde, Germany

    Klinik für Innere Medizin 3, Chemnitz, Germany

  60. Klinikum Chemnitz

    Affiliation as printed

    Klinik für Innere Medizin 3, Chemnitz, Germany

    Onkologische Schwerpunktpraxis, Coburg, Germany

  61. Klinikum Coburg

    Affiliation as printed

    Onkologische Schwerpunktpraxis, Coburg, Germany

    Klinikum, Coburg, Germany

  62. Vestische Caritas-Kliniken · Maria Hilf Krankenhaus

    Affiliation as printed

    St. Vincenz Krankenhaus, Datteln, Germany

    Krankenhaus Maria Hilf, Daun, Germany

  63. Maria Hilf Krankenhaus

    Affiliation as printed

    Krankenhaus Maria Hilf, Daun, Germany

    Klinikum, Deggendorf, Germany

  64. Praxis für Hämatologie und Onkologie

    Affiliation as printed

    Städtische Kliniken, Delmenhorst, Germany

    Praxis für Hämatologie und Onkologie, Dernbach, Germany

  65. Praxis für Hämatologie und Onkologie · University Hospital Carl Gustav Carus

    Affiliation as printed

    Praxis für Hämatologie und Onkologie, Dernbach, Germany

    Universitätsklinikum Carl Gustav Carus, Dresden, Germany

  66. University Hospital Carl Gustav Carus

    Affiliation as printed

    Universitätsklinikum Carl Gustav Carus, Dresden, Germany

  67. University Hospital Carl Gustav Carus

    Affiliation as printed

    Universitätsklinikum Carl Gustav Carus, Dresden, Germany

    Gemeinschaftspraxis Hämatologie – Onkologie, Dresden, Germany

  68. Helios Kliniken

    Affiliation as printed

    Gemeinschaftspraxis Hämatologie – Onkologie, Dresden, Germany

    HELIOS St. Johannes Klinik, Duisburg, Germany

  69. Krankenhaus Düren · Helios Kliniken

    Affiliation as printed

    HELIOS St. Johannes Klinik, Duisburg, Germany

    Krankenhaus, Düren, Germany

  70. Krankenhaus Düren

    Affiliation as printed

    Krankenhaus, Düren, Germany

  71. Krankenhaus Düren

    Affiliation as printed

    Krankenhaus, Düren, Germany

    Internistische Praxisgemeinschaft, Ehingen, Germany

  72. Affiliation as printed

    Onkologie UnterEms, Leer, Germany

    Onkologische Schwerpunktpraxis Leer, Emden, Germany

  73. Affiliation as printed

    Onkologische Schwerpunktpraxis Leer, Emden, Germany

    Praxis für Innere Medizin, Hämatologie und Onkologie, Erkelenz, Germany

  74. Sankt-Antonius-Hospital Eschweiler

    Affiliation as printed

    Internistische Schwerpunktpraxis, Erlangen, Germany

    St. Antonius Hospital, Eschweiler, Germany

  75. Sankt-Antonius-Hospital Eschweiler

    Affiliation as printed

    St. Antonius Hospital, Eschweiler, Germany

  76. Sankt-Antonius-Hospital Eschweiler

    Affiliation as printed

    St. Antonius Hospital, Eschweiler, Germany

    Kliniken Süd, Essen, Germany

  77. Affiliation as printed

    Kliniken Süd, Essen, Germany

    Hämatologisch-Onkologische Gemeinschaftspraxis, Essen, Germany

  78. Affiliation as printed

    Klinik für Knochenmarktransplantation, Essen, Germany

    Praxis für Innere Medizin, Ettlingen, Germany

  79. Affiliation as printed

    Praxis für Innere Medizin, Ettlingen, Germany

    Praxiskooperation, Euskirchen, Germany

  80. University Hospital Frankfurt

    Affiliation as printed

    Praxiskooperation, Euskirchen, Germany

    Universitätsklinikum, Frankfurt am Main, Germany

  81. Krankenhaus Nordwest

    Affiliation as printed

    Krankenhaus Nordwest, Frankfurt am Main, Germany

  82. Krankenhaus Nordwest

    Affiliation as printed

    Krankenhaus Nordwest, Frankfurt am Main, Germany

    Onkologische Praxis, Freiburg, Germany

  83. University Medical Center Freiburg

    Affiliation as printed

    Onkologische Praxis, Freiburg, Germany

    Universitätsklinikum, Freiburg, Germany

  84. University Medical Center Freiburg · Klinikum Fulda

    Affiliation as printed

    Universitätsklinikum, Freiburg, Germany

    Klinikum, Fulda, Germany

  85. Klinikum Fulda · Garmisch-Partenkirchen Medical Center

    Affiliation as printed

    Klinikum, Fulda, Germany

    Klinikum, Garmisch-Partenkirchen, Germany

  86. Garmisch-Partenkirchen Medical Center

    Affiliation as printed

    Klinikum, Garmisch-Partenkirchen, Germany

    Praxis für Innere Medizin, Geilenkirchen, Germany

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References 37