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2014 ; 111
(2
): 272-80
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Phase I ficlatuzumab monotherapy or with erlotinib for refractory advanced solid
tumours and multiple myeloma
#MMPMID24901237
Patnaik A
; Weiss GJ
; Papadopoulos KP
; Hofmeister CC
; Tibes R
; Tolcher A
; Isaacs R
; Jac J
; Han M
; Payumo FC
; Cotreau MM
; Ramanathan RK
Br J Cancer
2014[Jul]; 111
(2
): 272-80
PMID24901237
show ga
BACKGROUND: Ficlatuzumab, a humanised hepatocyte growth factor (HGF) IgG1?
inhibitory monoclonal antibody, was evaluated for recommended phase II dose
(RP2D), safety, pharmacokinetics (PKs), antidrug antibody (ADA), pharmacodynamics
(PDs) and antitumour activity as monotherapy or combined with erlotinib. METHODS:
Patients with solid tumours received ficlatuzumab 2, 5, 10 or 20?mg?kg(-1)
intravenously every 2 weeks (q2w). Additional patients were treated at the RP2D
erlotinib. RESULTS: Forty-one patients enrolled at doses ?20?mg?kg(-1). Common
adverse events (AEs) included peripheral oedema, fatigue and nausea. Three
patients experienced grade ?3 treatment-related hyperkalaemia/hypokalaemia,
diarrhoea or fatigue. Best overall response (44%) was stable disease (SD); median
duration was 5.5 months (0.4-18.7 months). One patient has been on therapy with
SD for >4 years. Pharmacokinetics of ficlatuzumab showed low clearance
(0.17-0.26?ml?h(-1)?kg(-1)), a half-life of 6.8-9.4 days and dose-proportional
exposure. Ficlatuzumab/erlotinib had no impact on the PK of either agent. No ADAs
were detected. Ficlatuzumab increased serum HGF levels. CONCLUSIONS: Recommended
phase II dose is 20?mg?kg(-1) q2w for ficlatuzumab monotherapy or with erlotinib.
Preliminary antitumour activity and manageable AEs were observed.
Pharmacokinetics were dose-proportional and consistent with other IgG
therapeutics. Ficlatuzumab was not immunogenic, and serum HGF was a potential PD
marker.
|Adult
[MESH]
|Aged
[MESH]
|Aged, 80 and over
[MESH]
|Antibodies, Monoclonal/administration & dosage/adverse
effects/pharmacokinetics/*therapeutic use
[MESH]
|Antineoplastic Combined Chemotherapy Protocols/adverse
effects/pharmacokinetics/*therapeutic use
[MESH]