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2016 ; 7
(48
): 80046-80058
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gab.com Text
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First-in-human phase I clinical trial of RG7356, an anti-CD44 humanized antibody,
in patients with advanced, CD44-expressing solid tumors
#MMPMID27507056
Menke-van der Houven van Oordt CW
; Gomez-Roca C
; van Herpen C
; Coveler AL
; Mahalingam D
; Verheul HM
; van der Graaf WT
; Christen R
; Rüttinger D
; Weigand S
; Cannarile MA
; Heil F
; Brewster M
; Walz AC
; Nayak TK
; Guarin E
; Meresse V
; Le Tourneau C
Oncotarget
2016[Nov]; 7
(48
): 80046-80058
PMID27507056
show ga
Transmembrane glycoprotein CD44 is overexpressed in various malignancies.
Interactions between CD44 and hyaluronic acid are associated with poor prognosis,
making CD44 an attractive therapeutic target. We report results from a
first-in-human phase I trial of RG7356, a recombinant anti-CD44 immunoglobulin G1
humanized monoclonal antibody, in patients with advanced CD44-expressing solid
malignancies.Sixty-five heavily pretreated patients not amenable to standard
therapy were enrolled and received RG7356 intravenously biweekly (q2w) or weekly
(qw) in escalating doses from 100 mg to 2,250 mg. RG7356 was well tolerated. Most
frequent adverse events were fever, headache and fatigue. Dose-limiting
toxicities included headache (1,500 mg q2w and 1,350 mg qw) and febrile
neutropenia (2,250 mg q2w). The maximum tolerated dose with q2w dosing was 1,500
mg, but was not defined for qw dosing due to early study termination. Clinical
efficacy was modest; 13/61 patients (21%) experienced disease stabilization
lasting a median of 12 (range, 6-35) weeks. No apparent dose- or dose
schedule-dependent changes in biological activity were reported from blood or
tissue analyses. Tumor-targeting by positron emission tomography (PET) using
89Zr-labeled RG7356 was observed for doses ?200 mg (q2w) warranting further
investigation of this agent in combination regimens.
|Adult
[MESH]
|Aged
[MESH]
|Aged, 80 and over
[MESH]
|Antibodies, Monoclonal, Humanized/adverse effects/pharmacokinetics/*therapeutic
use
[MESH]
|Antineoplastic Agents, Immunological/adverse
effects/pharmacokinetics/*therapeutic use
[MESH]