First line therapy of CLL.

Chronic lymphocytic leukemia (CLL) is one of the most frequent types of leukemia. It typically occurs in elderly patients and has a highly variable clinical course. Only patients with active or symptomatic disease or with advanced Binet or Rai stages require therapy. When treatment is indicated, several therapeutic options exist today and need to be selected. A combination of the BCL2 inhibitor venetoclax with obinutuzumab, monotherapy with inhibitors of Bruton tyrosine kinase (BTK) such as ibrutinib, acalabrutinib or zanubrutinib, while chemoimmunotherapy (CIT) is disappearing as a therapeutic option.