Phase 1 Study Update of the Novel Pan-Pim Kinase Inhibitor Lgh447 in Patients with Relapsed/ Refractory Multiple Myeloma
Blood(2013)
Abstract
Background: LGH447 is a novel, specific pan-Pim kinase inhibitor in development for the treatment of patients with multiple myeloma (MM) and other hematologic malignancies. The PIM (Provirus Integration site for Moloney leukemia) kinase gene family encodes 3 serine/threonine protein kinases that have roles in cell cycle progression and survival. In human disease, elevated levels of Pim1 and Pim2 are associated with hematologic malignancies, with MM showing the highest level of Pim2 expression. In preclinical studies, a majority of MM cell lines proved sensitive in vitro to LGH447-mediated Pim inhibition, exhibiting a dose-dependent decrease in cell proliferation. LGH447 demonstrated significant tumor growth inhibition in xenograft mouse models of MM as compared with control animals, supporting the clinical development of LGH447 in MM patients.
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Key words
Pim Oncogenes
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