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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Vet+Intern+Med
2016 ; 30
(4
): 1129-37
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In Vitro and In Vivo Characterization of a Fully Felinized Therapeutic Anti-Nerve
Growth Factor Monoclonal Antibody for the Treatment of Pain in Cats
#MMPMID27306920
Gearing DP
; Huebner M
; Virtue ER
; Knight K
; Hansen P
; Lascelles BD
; Gearing RP
; Drew AC
J Vet Intern Med
2016[Jul]; 30
(4
): 1129-37
PMID27306920
show ga
BACKGROUND: Limited options are available for the treatment of pain in cats.
Monoclonal antibodies (mAbs) that neutralize nerve growth factor (NGF) have
demonstrated analgesic capacity in rodent models, people with osteoarthritis, and
dogs with degenerative joint disease. HYPOTHESIS/OBJECTIVES: This study describes
the design and characterization of a fully felinized anti-NGF monoclonal
antibody. In vitro potency, pharmacokinetics, and the ability of the antibody to
treat pain in a self-resolving, acute inflammation model were investigated in
cats. ANIMALS: Thirty-eight cats at a research colony at Charles River
Laboratories, Ireland. METHODS: Felinized anti-NGF mAb, NV-02, was produced using
a complementary DNA (cDNA)-based method (PETization). Purified NV-02 was tested
for affinity, potency, and immunoreactivity in vitro, then for safety and plasma
pharmacokinetic distribution in vivo, and analgesic efficacy in a model of
kaolin-induced inflammatory pain. RESULTS: Anti-NGF mAb, NV-02 neutralized NGF
with high affinity and potency and did not bind complement. NV-02-administered SC
had a plasma half-life of 7-15 days and was well tolerated at dosages up to 28
mg/kg. A dosage of 2 mg/kg NV-02 SC significantly decreased signs of lameness on
day 2 (P = .0027), day 3 (P = .016), day 4, (P = .0063), day 5 (P = .0085), day 6
(P = .0014), and day 7 (P = .0034) after induction of inflammation. CONCLUSIONS
AND CLINICAL IMPORTANCE: The high affinity, long plasma half-life, safety, and
analgesic efficacy of felinized anti-NGF mAb (NV-02) support further
investigation of the analgesic potential of this antibody in the cat.
|Analgesics, Non-Narcotic/pharmacokinetics/*therapeutic use
[MESH]
|Animals
[MESH]
|Antibodies, Monoclonal/pharmacokinetics/*therapeutic use
[MESH]