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Current Treatment Options in Oncology

Erschienen in:

31.03.2022 | Leukemia (P Wiernik, Section Editor)

New Treatment Options for Newly-Diagnosed and Relapsed Chronic Lymphocytic Leukemia

verfasst von: Elżbieta Iskierka-Jażdżewska, MD, PhD, Agnieszka Obracaj, MD, Marta Urbaniak, MD, Tadeusz Robak, MD, PhD

Erschienen in: Current Treatment Options in Oncology | Ausgabe 6/2022

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Opinion statement

The better understanding of the biology of chronic lymphocytic leukemia (CLL) gained over the past decade has led to the development and introduction of several targeted drugs, with an demonstrable improvement in the prognosis for this currently incurable condition. Currently, Bruton’s tyrosine kinase (BTK) inhibitors, phosphoinositide 3-kinase (PI3K) inhibitors, venetoclax, and CD20 monoclonal antibodies are the key elements in the treatment of both previously untreated and relapsed/refractory CLL patients. Ibrutinib was the first BTK inhibitor approved for clinical use, and showed excellent efficacy and an acceptable safety profile. Following this, the better-tolerated second-generation irreversible BTK inhibitors acalabrutinib and zanubrutinib have been introduced for the treatment of lymphoid malignancies, and acalabrutinib was approved for CLL. When used as single drugs, BTK inhibitors are given continuously until unacceptable toxicity or disease progression; however, when combined with venetoclax and/or CD20 antibodies, they induce deeper response and can be given for a limited time. Recently, promising new reversible BTK inhibitors pirtobrutinib and nemtabrutinib were discovered, and these seem to be more active and better tolerated than their irreversible predecessors. However, they are in an early phase of development and are not currently approved for CLL. The phosphatidylinositol 3-kinase (PI3K) inhibitors idelalisib and duvelisib are highly effective in patients with relapsed CLL, including high-risk disease. The major limitations for their use are adverse events, mostly of autoimmune origin (hepatitis, enteritis/colitis, and pneumonitis). Otherwise, cellular therapies like allogeneic hematopoietic stem cell transplantation and chimeric antigen receptor (CAR) T cells and bispecific monoclonal antibodies offer promise for patients who have failed BTK inhibitors and venetoclax treatment. In the coming years, it is likely that novel targeted therapies will replace immunochemotherapy regimens in most patients.

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Titel: New Treatment Options for Newly-Diagnosed and Relapsed Chronic Lymphocytic Leukemia
verfasst von: Elżbieta Iskierka-Jażdżewska, MD, PhD
Agnieszka Obracaj, MD
Marta Urbaniak, MD
Tadeusz Robak, MD, PhD
Publikationsdatum: 31.03.2022
Verlag: Springer US
Erschienen in: Current Treatment Options in Oncology / Ausgabe 6/2022
Print ISSN: 1527-2729
Elektronische ISSN: 1534-6277
DOI: https://doi.org/10.1007/s11864-022-00974-0

Springer Medizin

New Treatment Options for Newly-Diagnosed and Relapsed Chronic Lymphocytic Leukemia

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Springer Medizin

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