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2014 ; 74
(3
): 465-71
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Phase Ib study of dovitinib in combination with gemcitabine plus cisplatin or
gemcitabine plus carboplatin in patients with advanced solid tumors
#MMPMID25023489
Galsky MD
; Posner M
; Holcombe RF
; Lee KM
; Misiukiewicz K
; Tsao CK
; Godbold J
; Soto R
; Gimpel-Tetra K
; Lowe N
; Oh WK
Cancer Chemother Pharmacol
2014[Sep]; 74
(3
): 465-71
PMID25023489
show ga
PURPOSE: Dovitinib is a small molecule kinase inhibitor with activity against the
fibroblast growth factor and vascular endothelial growth factor receptor
families. The purpose of this phase Ib study was to define the recommended phase
2 dose of the combinations of gemcitabine and cisplatin or gemcitabine and
carboplatin plus dovitinib. METHODS: Patients with advanced solid tumors were
enrolled in two parallel dose escalation arms (cisplatin- or carboplatin-based
regimens). Treatment was administered with gemcitabine (1,000 mg/m(2) on days 1
and 8), cisplatin (70 mg/m(2)), or carboplatin (AUC 5) on day 1, and dovitinib
(orally on days 1-5, 8-12, and 15-19), every 21 days. The starting dose of
dovitinib was 300 mg and was dose escalated in successive cohorts using 3 + 3
dose escalation rules. RESULTS: Fourteen patients with advanced solid tumors were
enrolled, five to the cisplatin arm and nine to the carboplatin arm. Patients
enrolled in the cisplatin arm received a median of two cycles of treatment (range
1-5), and patients enrolled in the carboplatin arm received a median of one cycle
of treatment (range 1-4). There were no protocol-defined dose-limiting toxicities
in the cisplatin arm. However, the cohort was closed due to the need for frequent
dose delays and/or reductions and two patients experiencing severe thromboembolic
events. There were two dose-limiting toxicities in the carboplatin arm at the
starting dose level of dovitinib (both prolonged neutropenia), and the dose of
dovitinib was de-escalated to 200 mg. Two additional dose-limiting toxicities
(prolonged neutropenia and febrile neutropenia) occurred in the lower dose
cohort, and the study was closed. No patients achieved an objective response to
treatment. CONCLUSIONS: Dovitinib in combination with gemcitabine plus cisplatin
or gemcitabine plus carboplatin was poorly tolerated due to myelosuppression.
|Adult
[MESH]
|Aged
[MESH]
|Aged, 80 and over
[MESH]
|Antineoplastic Combined Chemotherapy Protocols/*therapeutic use
[MESH]