Minerva medica
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Editorial Comment
Role of immunoglobulin indexes in patients with chronic hepatitis B.
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Mutation within the FMS-like tyrosine kinase 3 (FLT3) gene are one of the most frequent genetic alterations in acute myeloid leukemia. A high mutation fraction of FLT3-ITD molecules on the surface of leukemia cells is associated with short remissions and overall adverse outcomes in AML. ⋯ We enumerate the practical issues faced in the use of midostaurin like antifungal prophylaxis, dosage of concomitant chemotherapy agents as well as available data on sequencing of the FLT3 inhibitors. Lastly, we provide our perspective of the future directions for FLT3 inhibition especially midostaurin, the underlying resistance mechanisms and the need for standardization of the FLT3 tests.
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Review
New monoclonal antibodies and tyrosine kinase inhibitors in B-cell acute lymphoblastic leukemia.
Patients with acute lymphoblastic leukemia (ALL) are characterized by an unfavorable outcome in the majority of adult cases. Several clinical trials have confirmed the usefulness of a pediatric-type therapy applied to adult patients. Adults present with higher risk features at diagnosis that predispose them to chemotherapy resistance and disease relapse after an initial achievement of complete remission. The recent introduction of novel immune-targeted therapies, including monoclonal antibodies (MoAbs) targeting B cell-associated antigens such as CD19 (blinatumumab) and CD22 (inotuzumab), tyrosine kinase inhibitors targeting BCR-ABL1 tyrosine kinase, bispecific antibodies and chimeric antigen receptor T- cell therapy (CAR-T), circumvent B-ALL cell chemo-refractoriness through novel mechanisms of action, potentially eradicating minimal residual disease (MRD) and enabling more patients to receive allogeneic hematopoietic stem cell transplantation and to achieve a better clinical outcome.