FLT3 inhibitor quizartinib (AC220)

Kiran Naqvi, Farhad Ravandi

Research output: Contribution to journalReview articlepeer-review

17 Scopus citations

Abstract

Acute myeloid leukemia (AML) is a heterogeneous disease and remains a therapeutic challenge. Cytogenetics is a well-established prognostic factor. Recent discovery of molecular mutations has gained momentum with some being potential therapeutic targets. FLT3 mutation seen in approximately one third of the cytogenetically normal AML confers high risk of relapse and poor survival. Quizartinib is the first drug developed specifically as a FLT3 inhibitor. It has confirmed safety and efficacy in phase I and II clinical trials and has shown survival benefit over conventional chemotherapy in patients with FLT3 ITD mutated relapsed/refractory AML. Despite such promise, disease relapses are still seen. Besides the complex nature of AML itself, resistance mechanisms blunting the efficacy of quizartinib have been identified and are being investigated including TKD mutations, alternate signaling pathways and the bone marrow microenvironment. Strategies using combination of quizartinib with other TKIs/agents like crenolinib, PIM kinase, and MEK inhibitors should be further explored.

Original languageEnglish (US)
Pages (from-to)1866-1876
Number of pages11
JournalLeukemia and Lymphoma
Volume60
Issue number8
DOIs
StatePublished - Jul 3 2019

Keywords

  • Acute myeloid leukemia
  • FLT3 inhibitors
  • quizartinib

ASJC Scopus subject areas

  • Hematology
  • Oncology
  • Cancer Research

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