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Tallman, Martin S.; Kim, Haesook T.; Montesinos, Pau; Appelbaum, Frederick R.; de la Serna, Javier; Bennett, John M.; Deben, Guillermo; Bloomfield, Clara D.; Gonzalez, Jose; Feusner, James H.; Gonzalez, Marcos; Gallagher, Robert; Miguel, Jose D. Gonzalez-San; Larson, Richard A.; Milone, Gustavo; Paietta, Elisabeth; Rayon, Chelo; Rowe, Jacob M.; Rivas, Concha; Schiffer, Charles A.; Vellenga, Edo; Shepherd, Lois; Slack, James L.; Wiernik, Peter H.; [...]

Does microgranular variant morphology of acute promyelocytic leukemia independently predict a less favorable outcome compared with classical M3 APL? A joint study of the North American Intergroup and the PETHEMA Group

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  • Medientyp: E-Artikel
  • Titel: Does microgranular variant morphology of acute promyelocytic leukemia independently predict a less favorable outcome compared with classical M3 APL? A joint study of the North American Intergroup and the PETHEMA Group
  • Beteiligte: Tallman, Martin S.; Kim, Haesook T.; Montesinos, Pau; Appelbaum, Frederick R.; de la Serna, Javier; Bennett, John M.; Deben, Guillermo; Bloomfield, Clara D.; Gonzalez, Jose; Feusner, James H.; Gonzalez, Marcos; Gallagher, Robert; Miguel, Jose D. Gonzalez-San; Larson, Richard A.; Milone, Gustavo; Paietta, Elisabeth; Rayon, Chelo; Rowe, Jacob M.; Rivas, Concha; Schiffer, Charles A.; Vellenga, Edo; Shepherd, Lois; Slack, James L.; Wiernik, Peter H.; [...]
  • Erschienen: American Society of Hematology, 2010
  • Erschienen in: Blood
  • Sprache: Englisch
  • DOI: 10.1182/blood-2010-06-288613
  • ISSN: 0006-4971; 1528-0020
  • Schlagwörter: Cell Biology ; Hematology ; Immunology ; Biochemistry
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:title>Abstract</jats:title> <jats:p>Few studies have examined the outcome of large numbers of patients with the microgranular variant (M3V) of acute promyelocytic leukemia (APL) in the all-trans retinoic acid era. Here, the outcome of 155 patients treated with all-trans retinoic acid–based therapy on 3 clinical trials, North American Intergroup protocol I0129 and Programa para el Estudio de la Terapéutica en Hemopatía Maligna protocols LPA96 and LPA99, are reported. The complete remission rate for all 155 patients was 82%, compared with 89% for 748 patients with classical M3 disease. The incidence of the APL differentiation syndrome was 26%, compared with 25% for classical M3 patients, and the early death rate was 13.6% compared with 8.4% for patients with classical M3 morphology. With a median follow-up time among survivors of 7.6 years (range 3.6-14.5), the 5-year overall survival, disease-free survival, and cumulative incidence of relapse for patients with M3V were 70%, 73%, and 24%, respectively. With a median follow-up time among survivors of 7.6 years (range 0.6-14.3), the 5-year overall survival, disease-free survival, and cumulative incidence of relapse among patients with classical M3 morphology were 80% (P = .006 compared with M3V), 81% (P = .07), and 15% (P = .005), respectively. When outcomes were adjusted for the white blood cell count or the relapse risk score, none of these outcomes were significantly different between patients with M3V and classical M3 APL.</jats:p>
  • Zugangsstatus: Freier Zugang