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Initial Therapy of Chronic Lymphocytic Leukemia

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Chronic Lymphocytic Leukemia

Part of the book series: Hematologic Malignancies ((HEMATOLOGIC))

Abstract

For treatment decisions in CLL consideration should be given to the clinical stage, the patient’s prognostic profile as well as comorbidities. For patients without very high-risk genomic alterations first-line treatment with chemoimmunotherapy is a well-examined and established standard of care. FCR is the preferred treatment in physically fit patients with mild or no comorbidities. Depending on the burden of comorbidities, less intense chemoimmunotherapy regimens based on bendamustine or chlorambucil in combination with CD20 antibodies should be used upfront in patients with relevant concomitant diseases. Patients with high-risk genomic alterations, such as TP53 mutation/deletion, should be treated with the new targeted drugs. The BTK-inhibitor ibrutinib is approved not only for frontline therapy of high-risk CLL but also for CLL with all other genetic findings. In patients with unmutated IGHV status the disadvantages of chemoimmunotherapy, such as secondary malignancies or the development of chemo-resistant clones, have to be weighed against its possible benefits, such as the short period of treatment with chemoimmunotherapy compared with the continuous therapy required with novel drugs. The fact that several novel agents are available in relapsed CLL after kinase inhibitor frontline therapy, without evidence of cross resistance between classes of agents, supports the use of novel therapeutics in frontline of CLL with unfavorable genetic results.

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Eichhorst, B., Al-Sawaf, O., Hallek, M. (2019). Initial Therapy of Chronic Lymphocytic Leukemia. In: Hallek, M., Eichhorst, B., Catovsky, D. (eds) Chronic Lymphocytic Leukemia. Hematologic Malignancies. Springer, Cham. https://doi.org/10.1007/978-3-030-11392-6_6

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