In many clinical studies published over the past 20 years, adolescents and young adults (AYA) with Philadelphia chromosome negative acute lymphoblastic leukemia (Ph− ALL) were considered as a rather homogeneous clinico‐prognostic group of patients suitable to receive intensive pediatric‐like regimens with an improved outcome compared with the use of traditional adult ALL protocols. The AYA group was defined in most studies by an age range of 18–40 years, with some exceptions (up to 45 years). The experience collected in pediatric ALL with the study of post‐induction minimal residual disease (MRD) was rapidly duplicated in AYA ALL, making MRD a widely accepted key factor for risk stratification and risk‐oriented therapy with or without allogeneic stem cell transplantation and experimental new drugs for patients with MRD detectable after highly intensive chemotherapy. This combined strategy has resulted in long‐term survival rates of AYA patients of 60–80%. The present review examines the evidence for MRD‐guided therapies in AYA’s Ph− ALL, provides a critical appraisal of current treatment pitfalls and illustrates the ways of achieving further therapeutic improvement according to the massive knowledge recently generated in the field of ALL biology and MRD/risk/subset‐specific therapy.

Mrd‐based therapeutic decisions in genetically defined subsets of adolescents and young adult philadelphia‐negative all / M. Tosi, O. Spinelli, M. Leoncin, R. Cavagna, C. Pavoni, F. Lussana, T. Intermesoli, L. Frison, G. Perali, F. Carobolante, P. Viero, C. Skert, A. Rambaldi, R. Bassan. - In: CANCERS. - ISSN 2072-6694. - 13:9(2021), pp. 2108.1-2108.24.

Mrd‐based therapeutic decisions in genetically defined subsets of adolescents and young adult philadelphia‐negative all

A. Rambaldi
Ultimo
;
2021

Abstract

In many clinical studies published over the past 20 years, adolescents and young adults (AYA) with Philadelphia chromosome negative acute lymphoblastic leukemia (Ph− ALL) were considered as a rather homogeneous clinico‐prognostic group of patients suitable to receive intensive pediatric‐like regimens with an improved outcome compared with the use of traditional adult ALL protocols. The AYA group was defined in most studies by an age range of 18–40 years, with some exceptions (up to 45 years). The experience collected in pediatric ALL with the study of post‐induction minimal residual disease (MRD) was rapidly duplicated in AYA ALL, making MRD a widely accepted key factor for risk stratification and risk‐oriented therapy with or without allogeneic stem cell transplantation and experimental new drugs for patients with MRD detectable after highly intensive chemotherapy. This combined strategy has resulted in long‐term survival rates of AYA patients of 60–80%. The present review examines the evidence for MRD‐guided therapies in AYA’s Ph− ALL, provides a critical appraisal of current treatment pitfalls and illustrates the ways of achieving further therapeutic improvement according to the massive knowledge recently generated in the field of ALL biology and MRD/risk/subset‐specific therapy.
Acute lymphoblastic leukemia; Adolescents and young adults; Minimal residual disease; Risk stratification; Risk‐oriented therapy
Settore MED/15 - Malattie del Sangue
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/846814
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