Which medications in the drug class Antineoplastics, PI3K Delta Inhibitors are used in the treatment of Diffuse Large Cell Lymphoma?

Updated: Jun 12, 2019
  • Author: Shipra Gandhi, MBBS; Chief Editor: Emmanuel C Besa, MD  more...
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Answer

Antineoplastics, PI3K Delta Inhibitors

This drug class inhibits one or more of the phosphoinositide 3-kinase enzymes, which are part of the PI3K/AKT/mTOR pathway, an important signalling pathway for many cellular functions such as growth control, metabolism and translation initiation. Within this pathway there are many components, inhibition of which may result in tumor suppression.

Copanlisib (Aliqopa)

Pan class I phosphatidylinositol-3-kinase (PI3K) inhibitor with predominant inhibitory activity against PI3K-alpha and PI3K-delta isoforms expressed in malignant B cells. By inhibiting several key cell-signaling pathways may induce apoptosis and inhibition of proliferation of premalignant B cells and in turn cause tumor cell death. It is indicated for relapsed follicular lymphoma (FL) in patients who have received at least 2 prior systemic therapies.

Idelalisib (Zydelig)

Idelalisib induces apoptosis and inhibits proliferation in cell lines derived from malignant B cells and in primary tumor cells; also inhibits several cell- signaling pathways, including B cell receptor (BCR) signaling and the CXCR4 and CXCR5 signaling, which are involved in trafficking and homing of B cells to the lymph nodes and bone marrow. It gained accelerated approval by the FDA (ie, confirmatory clinical trials in progress) in July 2014 for relapsed follicular B-cell non-Hodgkin lymphoma (FL) and relapsed small lymphocytic lymphoma (SLL) in patients who have received at least 2 prior systemic therapies.


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