Initial testing (stage 1) of SGI-1776, a PIM1 kinase inhibitor, by the pediatric preclinical testing program

  • Vandana Batra
  • , John M. Maris
  • , Min H. Kang
  • , C. Patrick Reynolds
  • , Peter J. Houghton
  • , Denise Alexander
  • , E. Anders Kolb
  • , Richard Gorlick
  • , Stephen T. Keir
  • , Hernan Carol
  • , Richard Lock
  • , Catherine A. Billups
  • , Malcolm A. Smith

Research output: Contribution to journalArticlepeer-review

Abstract

The PIM kinase inhibitor, SGI-1776, was tested against the PPTP in vitro (1.0nM-10μM) and in vivo panels (148mg/kg daily×5 days for 3 weeks). SGI-1776 exhibited cytotoxic activity in vitro with a median relative IC 50 of 3.1μM. SGI-1776 induced significant differences in EFS distribution in vivo in 9 of 31 solid tumor xenografts and in 1 of 8 of the evaluable ALL xenografts. SGI-1776 induced tumor growth inhibition meeting criteria for intermediate EFS T/C activity in 1 of 39 evaluable models. In contrast, SGI-1776 induced complete responses of subcutaneous MV4;11 (B myeloid leukemia). Pediatr Blood Cancer 2012;59:749-752.

Original languageEnglish (US)
Pages (from-to)749-752
Number of pages4
JournalPediatric Blood and Cancer
Volume59
Issue number4
DOIs
StatePublished - Oct 2012
Externally publishedYes

Keywords

  • Developmental therapeutics
  • Kinase inhibitors
  • Preclinical testing

ASJC Scopus subject areas

  • Hematology
  • Oncology
  • Pediatrics, Perinatology, and Child Health

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