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Idelalisib is an antineoplastic kinase inhibitor used to treat chronic lymphocytic leukemia (CLL), relapsed follicular B-cell non-Hodgkin lymphoma (FL), and relapsed small lymphocytic lymphoma (SLL).
Idelalisib is an antineoplastic kinase inhibitor used to treat chronic lymphocytic leukemia (CLL), relapsed follicular B-cell non-Hodgkin lymphoma (FL), and relapsed small lymphocytic lymphoma (SLL).
Idelalisib specifically inhibits P110δ, the delta isoform of the enzyme phosphatidylinositol-4,5-bisphosphate 3-kinase, also known as PI-3K. The PI-3Ks are a family of enzymes involved in cellular functions such as cell growth, proliferation, differentiation, motility, survival and intracellular trafficking, which in turn are involved in cancer. In contrast to the other class IA PI3Ks p110α and p110β, p110δ is principally expressed in leukocytes (white blood cells) and is important for the function of T cells, B cell, mast cells and neutrophils. By inhibiting this enzyme, idelalisib induces apoptosis of malignant cells and inhibits several cell signaling pathways, including B-cell receptor (BCR) signaling and C-X-C chemokine receptors type 5 and type 4 signalling, which are involved in trafficking and homing of B-cells to the lymph nodes and bone marrow. Treatment of lymphoma cells with idelalisib has been shown to result in inhibition of chemotaxis and adhesion, and reduced cell viability.
用于治疗：复发慢性淋巴细胞性白血病(CLL)，与利妥昔单抗联用，在由于其他共患病将考虑对单独利妥昔单抗适当治疗患者。复发滤泡B-细胞非霍奇金淋巴瘤(FL)接受至少2次既往全身治疗患者。复发性小淋巴细胞淋巴瘤(SLL)曾至少接受2次既往全身治疗患者。
3 associated conditions
