Clinical Practice Guidelines for Diagnosis and Treatment of Chronic Lymphocytic Leukemia (CLL) in The Netherlands.

Introduction: In recent years, considerable progress has been made in the treatment of patients with chronic lymphocytic leukemia (CLL), and new potent drugs have become available. Therefore, the CLL working party revised the Dutch guidelines. Not only efficacy but also quality of life and socio-economic impact were taken into account in the formulation of treatment recommendations.
Materials and Methods: The working party discussed a set of questions regarding diagnostic tests and treatment and wrote the draft guideline. This was evidence-based whenever possible, but in cases of low evidence, an expert-based recommendation was formulated with input of the entire working party. The draft guideline was sent to all hematologists in the Netherlands for comment and was subsequently approved.
Results: Recommendations were formulated on diagnostic tests and work-up before treatment. Also, recommendations were made for treatment with fludarabine-cyclophosphamide-rituximab, bendamustine-rituximab, chlorambucil with anti-CD20 antibody, ibrutinib, idelalisib-rituximab, venetoclax, and allogeneic stem cell transplantation.
Conclusion: In the revised Dutch CLL guidelines, chemo-immunotherapy is still the cornerstone of CLL treatment with novel targeted drugs for specific risk groups.
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