Distinct predictive factors influence on achievement of early molecular response by frontline imatinib in chronic phase chronic myeloid leukemia

  • Sung Eun Lee
  • , Soo Young Choi
  • , Yun Jeong Oh
  • , Soo Hyun Kim
  • , Hye Young Song
  • , Hea Lyun Yoo
  • , Mi Young Lee
  • , Moon Jung Chae
  • , Ki Hoon Kang
  • , Hee Jeong Hwang
  • , Eun Jung Jang
  • , Dong Wook Kim

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

To explore the factors for achieving early molecular responses (EMR; BCR-ABL1 ≤10% at 3 months, ≤1% at 6 months) by imatinib (IM), baseline characteristics including individual BCR-ABL1 transcript level, dose intensity, and IM trough level on day 29 were analyzed in 286 chronic phase chronic myeloid leukemia patients. Distinct predictive factors for achieving EMR at 3 months and 6 months were noted. Blast count at diagnosis and IM trough level on day 29 were significantly associated with an achievement of 3-month EMR. Early decline of BCR-ABL1 transcript, low Sokal risk, and mean daily dose (≥350. mg/day) by 6 months were associated with an achievement of 6-month EMR. Understanding the predictive factors for EMR may provide additional information to guide clinical decisions on the changing therapies at each landmark.

Original languageEnglish
Pages (from-to)411-418
Number of pages8
JournalLeukemia Research
Volume39
Issue number4
DOIs
StatePublished - 1 Apr 2015

Bibliographical note

Publisher Copyright:
© 2015 .

Keywords

  • Chronic myeloid leukemia
  • Early molecular response
  • Imatinib

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