Introduction: In chronic myeloid leukemia (CML) patients who have reached a deep and sustained reduction of residual disease can attempt a discontinuation. The ‘treatment-free remission’ (TFR) has become a real long-term endpoint for 30–40% of chronic phase patients. Areas covered: In this review, we focus our attention on possible prognostic features who can predict the success of tyrosine kinase inhibitors discontinuation and how we can assess the minimal residual disease (MRD) during the TFR phase. Broad research was made on Medline, Embase and archives from EHA and ASH congresses. Expert Opinion: Median duration of TKI therapy and of deep molecular response are the main prognostic factors identified in most trials and real-life experiences on discontinuation. Immunological pathways have been proposed as possible control on successful TFR as also early molecular response dynamics. Appropriate molecular monitoring by RQ-PCR in the TFR phase has been proposed by several international recommendations and digital droplet PCR (ddPCR) seems to have a possible role in the future for a better identification of candidate to this possible therapeutic strategy.

Emerging concepts for assessing and predicting treatment-free remission in chronic myeloid leukemia patients / Breccia, M.; Scalzulli, E.; Pepe, S.; Colafigli, G.; Bisegna, M. L.; Capriata, M.; Martelli, M.. - In: EXPERT REVIEW OF HEMATOLOGY. - ISSN 1747-4086. - 15:1(2022), pp. 25-32. [10.1080/17474086.2022.2018296]

Emerging concepts for assessing and predicting treatment-free remission in chronic myeloid leukemia patients

Scalzulli E.;Pepe S.;Colafigli G.;Bisegna M. L.;Capriata M.;Martelli M.
2022

Abstract

Introduction: In chronic myeloid leukemia (CML) patients who have reached a deep and sustained reduction of residual disease can attempt a discontinuation. The ‘treatment-free remission’ (TFR) has become a real long-term endpoint for 30–40% of chronic phase patients. Areas covered: In this review, we focus our attention on possible prognostic features who can predict the success of tyrosine kinase inhibitors discontinuation and how we can assess the minimal residual disease (MRD) during the TFR phase. Broad research was made on Medline, Embase and archives from EHA and ASH congresses. Expert Opinion: Median duration of TKI therapy and of deep molecular response are the main prognostic factors identified in most trials and real-life experiences on discontinuation. Immunological pathways have been proposed as possible control on successful TFR as also early molecular response dynamics. Appropriate molecular monitoring by RQ-PCR in the TFR phase has been proposed by several international recommendations and digital droplet PCR (ddPCR) seems to have a possible role in the future for a better identification of candidate to this possible therapeutic strategy.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11573/1617557
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