Aileron Therapeutics Announces Publication by Researchers at Albert Einstein College of Medicine of ALRN-6924 Nonclinical Data in Acute Myeloid Leukemia
In AML, blood-forming stem cells in the bone marrow produce abnormal red and white blood cells as a result of damage to DNA. P53, a natural tumor suppressor, is inactive in AML, allowing cancer cells to grow unimpeded. Reactivating p53 with ALRN-6924 appears to slow or stop the growth of both mature and immature cancer cells. As demonstrated by the researchers at Albert Einstein in their nonclinical studies, treatment with ALRN-6924 increased the median survival rate in an animal model of human AML (mice transplanted with human leukemia cells) from 50 to about 150 days. In addition, about 40% of the animals were cured, meaning they were tumor-free at one year.
“These data further support our belief that p53’s function may be more effectively restored when both MDMX and MDM2 are blocked. ALRN-6924, a stapled peptide therapeutic shown to inhibit both protein targets, has the potential to deliver on the long-held promise that restoring apoptosis through the p53 pathway may be critical in treating certain cancers,” said Manuel Aivado, M.D., Ph.D., Chief Medical and Scientific Officer of Aileron.
“This is a very striking response. Most experimental drugs for leukemia in our experience achieve an increase in survival of only a few days in these preclinical models. Even more importantly, ALRN-6924 effectively cured about 40 percent of the treated mice,” said study leader
The study in Science Translational Medicine is titled, “Dual inhibition of MDMX and MDM2 as a Therapeutic Strategy in Leukemia.”
ALRN-6924 is a first-in-class product candidate designed to reactivate wild type p53 tumor suppression by disrupting the interactions between the two primary p53 suppressor proteins, MDMX and MDM2. Aileron believes ALRN-6924 is the first and only product candidate in clinical development that can equipotently bind to and disrupt the interaction of MDMX and MDM2 with p53. Based on preclinical data and preliminary evidence of safety and anti-tumor activity in its ongoing clinical trials, there may be a significant opportunity to develop ALRN-6924 as a monotherapy or combination therapy for a wide variety of solid and liquid tumors. ALRN-6924 is currently being evaluated in multiple clinical trials for the treatment of acute myeloid leukemia (AML), advanced myelodysplastic syndrome (MDS) and peripheral T-cell lymphoma (PTCL). For information about its clinical trials, please visit www.clinicaltrials.gov.
Aileron is a clinical-stage biopharmaceutical company advancing stapled peptides, a novel class of therapeutics for cancers and other diseases. Stapled peptides are chemically stabilized alpha-helical peptides that are modified to improve their stability and cell penetrability while maintaining high affinity for large protein surfaces. Our goal is to use our proprietary stapled peptide drug platform to create first-in-class therapeutics, like ALRN-6924, that may be able to address historically undruggable targets and complex mechanisms that underlie many diseases with high unmet medical need. Our platform enables us to chemically stabilize and improve the performance and activity of a broad range of alpha-helical peptides that we believe can potentially activate and inhibit key cellular functions that are otherwise difficult to target with existing drug technologies, including small molecules and monoclonal antibodies. For more information, visit www.aileronrx.com.
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Source: Aileron Therapeutics
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