Incorporating FLT3 inhibitors into acute myeloid leukemia treatment regimens

Keith Pratz, Mark Levis

Research output: Contribution to journalReview articlepeer-review

40 Scopus citations


FMS-Like-Tyrosine kinase-3 (FLT3) mutations are found in about 30% of cases of acute myeloid leukemia and confer an increased relapse rate and reduced overall survival. Targeting of this tyrosine kinase by direction inhibition is the focus of both preclinical and clinical research in AML. Several molecules in clinical development inhibit FLT3 with varying degrees of specificity. Preclinical models suggest that these compounds enhance the cytotoxicity of conventional chemotherapeutics against FLT3 mutant leukemia cells. The pharmacodynamic interactions between FLT3 inhibitors and chemotherapy appear to be sequence dependent. When the FLT3 inhibitor is used prior to chemotherapy, antagonism is displayed, while if FLT3 inhibition is instituted after to exposure to chemotherapy, synergistic cytotoxicity is seen. The combination of FLT3 inhibitors with chemotherapy is also complicated by potential pharmacokinetic obstacles, such as plasma protein binding and p-glycoprotein interactions. Ongoing and future studies are aimed at incorporating FLT3 inhibitors into conventional induction and consolidation therapy specifically for patients with FLT3 mutant AML.

Original languageEnglish (US)
Pages (from-to)852-863
Number of pages12
JournalLeukemia and Lymphoma
Issue number5
StatePublished - May 2008
Externally publishedYes


  • Myeloid leukemias and dysplasias
  • Pharmacotherapeutics
  • Signal transduction
  • Signalling therapies

ASJC Scopus subject areas

  • Hematology
  • Oncology
  • Cancer Research


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