VENCLYXTO: a first-in-class, potent, and selective BCL-2 inhibitor that induces apoptosis in AML cells

VENCLYXTO targets a key hallmark of cancer by inducing apoptosis1

The overexpression of pro-survival BCL-2 proteins is an important driver of AML cell survival.2-4

  • In an in vitro study, the majority of AML samples were found to have overexpressed, pro-survival BCL-2 family proteins2
  • AML cells have been shown to be dependent on BCL-2 and co-dependent on other BCL-2 family members (eg,  MCL-1 and BCL-XL) for survival3,4

Overexpressed BCL-2 allows AML cells to evade apoptosis by sequestering pro-apoptotic proteins, preventing them from signaling the cell to die.1,5,6

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VENCLYXTO selectively binds to BCL-2 to displace pro-apoptotic proteins, triggering events that lead to apoptosis.1,6

AML=Acute myeloid leukemia; MCL-1=Myeloid cell leukemia-1; BCL-XL=B-cell lymphoma-extra large; HMA=hypomethylating agent; LDAC=low-dose cytarabine.

VENCLYXTO has been found in vitro to work synergistically in
combination with HMAs and with LDAC7,8

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References: 1. VENCLYXTO Summary of Product Characteristics. Ludwigshafen, Germany: AbbVie Deutschland GmbH & Co. <Current SmPC.> 2. Vo T-T, Ryan J, Carrasco R, et al. Relative mitochondrial priming of malignant myeloblasts and normal HCSs determines chemotherapeutic success in AML. Cell. 2012;151(2):344-355. 3. Lagadinou ED, Sach A, Callahan K, et al. BCL-2 inhibition targets oxidative phosphorylation and selectively eradicates quiescent human leukemia stem cells. Cell Stem Cell. 2013;12(3):329-341. 4. Punnoose EA, Leverson JD, Peale F, et al. Expression profile of BCL-2, BCL-XL, and MCL-1 predicts pharmacological response to the BCL-2 selective antagonist venetoclax in multiple myeloma models. Mol Cancer Ther. 2016;15(5):1132-1144. 5. Anderson MA, Huang D, Roberts A. Targeting BCL2 for the treatment of lymphoid malignancies. Semin Hematol. 2014;51(3):219-227. 6. Souers AJ, Leverson JD, Boghaert ER, et al. ABT-199, a potent and selective BCL-2 inhibitor, achieves antitumor activity while sparing platelets. Nat Med. 2013;19(2):202-210. 7. DiNardo CD, Pratz K, Pullarkat V, et al. Venetoclax combined with decitabine or azacitidine in treatment-naive, elderly patients with acute myeloid leukemia. Blood. 2019;133(1):7-17. 8. Ramsey HE, Fischer MA, Lee T, et al. A novel MCL1 inhibitor combined with venetoclax rescues venetoclax-resistant acute myelogenous leukemia. Cancer Discov. 2018;8(12):1566-1581.