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2014 ; 123
(9
): 1309-18
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
Bosutinib safety and management of toxicity in leukemia patients with resistance
or intolerance to imatinib and other tyrosine kinase inhibitors
#MMPMID24345751
Kantarjian HM
; Cortes JE
; Kim DW
; Khoury HJ
; Brümmendorf TH
; Porkka K
; Martinelli G
; Durrant S
; Leip E
; Kelly V
; Turnbull K
; Besson N
; Gambacorti-Passerini C
Blood
2014[Feb]; 123
(9
): 1309-18
PMID24345751
show ga
Bosutinib is an oral, dual SRC/ABL tyrosine kinase inhibitor (TKI) with clinical
activity in Philadelphia chromosome-positive (Ph(+)) leukemia. We assessed the
safety and tolerability of bosutinib 500 mg per day in a phase 1/2 study in
chronic-phase (CP) chronic myeloid leukemia (CML) or advanced Ph(+) leukemia
following resistance/intolerance to imatinib and possibly other TKIs. Patient
cohorts included second-line CP CML (n = 286), third-/fourth-line CP CML (n =
118), and advanced leukemia (n = 166). Median bosutinib duration was 11.1 (range,
0.03-83.4) months. Treatment-emergent adverse events (TEAEs) in each cohort were
primarily gastrointestinal (diarrhea [86%/83%/74%], nausea [46%/48%/48%], and
vomiting [37%/38%/43%]). Diarrhea presented early, with few (8%) patients
experiencing grade 3/4 events; dose reduction due to diarrhea occurred in 6% of
affected patients. Grade 3/4 myelosuppression TEAEs were reported in 41% of
patients; among affected patients, 46% were managed with bosutinib interruption
and 32% with dose reduction. Alanine aminotransferase elevation TEAEs occurred in
17% of patients (grade 3/4, 7%); among patients managed with dose interruption,
bosutinib rechallenge was successful in 74%. Bosutinib demonstrated acceptable
safety with manageable toxicities in Ph(+) leukemia. This trial (NCT00261846) was
registered at www.ClinicalTrials.gov (this manuscript is based on a different
data snapshot from that in ClinicalTrials.gov).
|Adolescent
[MESH]
|Adult
[MESH]
|Aged
[MESH]
|Aged, 80 and over
[MESH]
|Aniline Compounds/*adverse effects/*therapeutic use
[MESH]
|Benzamides/*therapeutic use
[MESH]
|Dose-Response Relationship, Drug
[MESH]
|Drug Resistance, Neoplasm
[MESH]
|Drug-Related Side Effects and Adverse Reactions/epidemiology/*therapy
[MESH]