Discovery of IPN60090, a Clinical Stage Selective Glutaminase-1 (GLS-1) Inhibitor with Excellent Pharmacokinetic and Physicochemical Properties

Michael J. Soth, Kang Le, Maria Emilia Di Francesco, Matthew M. Hamilton, Gang Liu, Jason P. Burke, Chris L. Carroll, Jeffrey J. Kovacs, Jennifer P. Bardenhagen, Christopher A. Bristow, Mario Cardozo, Barbara Czako, Elisa De Stanchina, Ningping Feng, Jill R. Garvey, Jason P. Gay, Mary K.Geck Do, Jennifer Greer, Michelle Han, Angela HarrisZachary Herrera, Sha Huang, Virginia Giuliani, Yongying Jiang, Sarah B. Johnson, Troy A. Johnson, Zhijun Kang, Paul G. Leonard, Zhen Liu, Timothy McAfoos, Meredith Miller, Pietro Morlacchi, Robert A. Mullinax, Wylie S. Palmer, Jihai Pang, Norma Rogers, Charles M. Rudin, Hannah E. Shepard, Nakia D. Spencer, Jay Theroff, Qi Wu, Alan Xu, Ju Anne Yau, Giulio Draetta, Carlo Toniatti, Timothy P. Heffernan, Philip Jones

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Inhibition of glutaminase-1 (GLS-1) hampers the proliferation of tumor cells reliant on glutamine. Known glutaminase inhibitors have potential limitations, and in vivo exposures are potentially limited due to poor physicochemical properties. We initiated a GLS-1 inhibitor discovery program focused on optimizing physicochemical and pharmacokinetic properties, and have developed a new selective inhibitor, compound 27 (IPN60090), which is currently in phase 1 clinical trials. Compound 27 attains high oral exposures in preclinical species, with strong in vivo target engagement, and should robustly inhibit glutaminase in humans.

Original languageEnglish (US)
Pages (from-to)12957-12977
Number of pages21
JournalJournal of Medicinal Chemistry
Volume63
Issue number21
DOIs
StatePublished - Nov 12 2020

ASJC Scopus subject areas

  • Molecular Medicine
  • Drug Discovery

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