当前位置： SCI文献检索 > LEUKEMIA期刊下所有文献 > Dasatinib vs. imatinib in patients with chronic myeloid leukemia in chronic phase (CML-CP) who have not achieved an optimal response to 3 months of imatinib therapy: the DASCERN randomized study.

Dasatinib vs. imatinib in patients with chronic myeloid leukemia in chronic phase (CML-CP) who have not achieved an optimal response to 3 months of imatinib therapy: the DASCERN randomized study.

Abstract：

:Early molecular response is associated with improved probability of deep molecular response and superior survival in patients with CML-CP. However, ~1 in 3 patients on first-line imatinib do not achieve this threshold. The phase 2b DASCERN trial (NCT01593254) assessed the outcome of early switch to dasatinib in patients with suboptimal response to first-line imatinib. Adult patients with CML-CP were randomized (2:1) to receive 100 mg dasatinib (n = 174) or continue imatinib at ≥400 mg (n = 86). The primary endpoint was the rate of major molecular response (MMR) at 12 months, which was 29% (dasatinib) and 13% (imatinib; P = 0.005). After ≥2 years of follow-up, 45 patients (52%) randomized to continue imatinib had crossed over to dasatinib. Considering treatment crossover, the 2-year cumulative MMR rate was 64% with dasatinib and 41% with imatinib (66% and 67%, respectively by intent-to-treat). Adverse events were consistent with the established safety profiles of both drugs. The results of this first prospective study support early monitoring of patients treated with first-line imatinib, and suggest that switching to dasatinib in cases of suboptimal response may offer clinical benefit. Further follow-up is needed to assess the long-term clinical benefit of early switching.

journal_name

Leukemia

journal_title

Leukemia

authors

Cortes JE,Jiang Q,Wang J,Weng J,Zhu H,Liu X,Hochhaus A,Kim DW,Radich J,Savona M,Martin-Regueira P,Sy O,Gurnani R,Saglio G

doi

10.1038/s41375-020-0805-1

subject

Has Abstract

pub_date

2020-08-01 00:00:00

pages

2064-2073

issue

8

eissn

0887-6924

issn

1476-5551

pii

10.1038/s41375-020-0805-1

journal_volume

34

pub_type

杂志文章,多中心研究,随机对照试验

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