1,721,244 research outputs found

    Liquid biopsy and blood-based minimal residual disease evaluation in multiple myeloma

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    Novel drug availability has increased the depth of response and revolutionised the outcomes of multiple myeloma patients. Minimal residual disease evaluation is a surrogate for progression-free survival and overall survival and has become widely used not-only in clinical trials but also in daily patient management. Bone marrow aspiration is the gold standard for response evaluation, but due to the patchy nature of myeloma, false negatives are possible. Liquid biopsy and blood-based minimal residual disease evaluation consider circulating plasma cells, mass spectrometry or circulating tumour DNA. This approach is less invasive, can provide a more comprehensive picture of the disease and could become the future of response evaluation in multiple myeloma patients

    Minimal residual disease in multiple myeloma: an important tool in clinical trials

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    : Minimal residual disease (MRD) detection represents a great advancement in multiple myeloma. New drugs are now available that increase depth of response. The International Myeloma Working Group recommends the use of next-generation flow cytometry (NGF) or next-generation sequencing (NGS) to search for MRD in clinical trials. Best sensitivity thresholds have to be confirmed, as well as timing to detect it. MRD has proven as the best prognosticator in many trials and promises to enter also in clinical practice to guide future therapy. © 2022 Bentham Science Publishers

    Emerging drugs in chronic myelogenous leukaemia

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    Chronic myelogenous leukaemia (CML) is characterised by a t(9;22)(q34;q11) translocation, which produces a fusion BCR-ABL protein with constitutive tyrosine kinase activity that is central to the pathogenesis of CML representing an ideal target for therapeutic intervention. Targeting BCR-ABL by imatinib has revolutionised the clinical course of CML. All patients in early chronic phase treated with imatinib achieve a complete haematological response, with 80-90% achieving a complete cytogenetic response. However, BCR-ABL transcripts remain detectable in the great majority of them, and approximately 16% chronic phase CML patients are resistant to or relapse after imatinib treatment, mainly through pre-existing or acquired point mutations in the binding pocket. Thus, other targeted approaches are being developed to overcome imatinib resistance. These include two novel tyrosine kinase inhibitors (nilotinib and dasatinib) that are producing clinical responses in different clinical settings, while other similar compounds are under evaluation in preclinical studies. Furthermore, additive immunotherapeutic strategies are emerging to synergise with imatinib in the elimination of molecular residual disease. This paper reviews the current details regarding these approaches and their developments

    Nivolumab in relapsed/refractory Hodgkin lymphoma: towards a new treatment strategy?

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    Chemo-refractory Hodgkin lymphoma (HL), especially after failure of high-dose therapy and autologous stem cell transplantation (ASCT), has a very poor prognosis. Nivolumab, an anti-PD-1 monoclonal antibody, demonstrated durable responses and manageable toxicity in a significant proportion of HL patients who fail both ASCT and brentuximab vedotin. Although anti-PD-1 treatment is often well tolerated, immune-related adverse events (iAE) were frequently observed. New perspectives could be represented by treatment discontinuation in patients with prolonged response or toxicity with the possibility of a re-treatment at relapse, subsequent chemotherapy or a modification of the dose-intensity or treatment duration. The efficacy of anti-PD-1 re-treatment was demonstrated in several cases and we have successfully managed 1 case with this strategy. With the main aim of avoiding the relapse-related psychophysical stress for the patient with manageable toxicity, we have successfully administered nivolumab every 4 weeks to 3 patients in prolonged complete remission, who presented with iAE during treatment. We believe that nivolumab should not only represent a bridge to allogeneic SCT, but it may play an important role also beyond the approved indication and current standard clinical care

    Lenalidomide maintenance in myeloma

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    We strongly agree with Rajkumar (Haematological cancer: Lenalidomide maintenance—perils of a premature denouement. Nat. Rev. Clin. Oncol. 9, 372–374; 2012)1 that it is premature to recommend lenalidomide maintenance to all patients with myeloma, but we would also like to underline other aspects of the problem not discussed in the recent commentary article. It is our assertion that not every patient with myeloma needs maintenance therapy. In addition to considering the risk–benefit ratio for a patient during maintenance therapy, we are convinced that the wellknown concept of disease plateau—which was established decades before the novelagent era in myeloma2—is also applicable in the setting of maintenance ther apy. Furthermore, a small percentage of patients (15%, but this could improve with novel agents used in the pre- transplant setting) after autologous stem-cell transplantation (ASCT) achieve disease-free survival or progression-free survival of longer than 10 years.3 For those patients, any maintenance therapy is useless or, even worse, harmful
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