Objective: Investigate a role for calcitonin gene-related peptide (CGRP) in osteoarthritis (OA)-related pain. Design: Neutralizing antibodies to CGRP were generated de novo. One of these antibodies, LY2951742, was characterized in vitro and tested in pre-clinical in vivo models of OA pain. Results: LY2951742 exhibited high affinity to both human and rat CGRP (K-D of 31 and 246 pM, respectively). The antibody neutralized CGRP-mediated induction of cAMP in SK-N-MC cells in vitro and capsaicin-induced dermal blood flow in the rat. Neutralization of CGRP significantly reduced pain behavior as measured by weight bearing differential in the rat monoiodoacetate model of OA pain in a dose-dependent manner. Moreover, pain reduction with neutralization of CGRP occurred independently of prostaglandins, since LY2951742 and NSAIDs worked additively in the NSAID-responsive version of the model and CGRP neutralization remained effective in the NSAID non-responsive version of the model. Neutralization of CGRP also provided dose-dependent and prolonged (>60 days) pain reduction in the rat meniscal tear model of OA after only a single injection of LY2951742. Conclusions: LY2951742 is a high affinity, neutralizing antibody to CGRP. Neutralization of CGRP is efficacious in several OA pain models and works independently of NSAID mechanisms of action. LY2951742 holds promise for the treatment of pain in OA patients. (C) 2014 Osteoarthritis Research Society International. Published by Elsevier Ltd. All rights reserved.
机构:
Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
Bove, SE
;
Calcaterra, SL
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Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
Calcaterra, SL
;
Brooker, RM
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Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
Brooker, RM
;
Huber, CM
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Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
Huber, CM
;
Guzman, RE
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Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
Guzman, RE
;
Juneau, PL
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Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
Juneau, PL
;
Schrier, DJ
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Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
Schrier, DJ
;
Kilgore, KS
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Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
机构:
Univ Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, EnglandUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Bowler, K. E.
;
Worsley, M. A.
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Univ Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, EnglandUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Worsley, M. A.
;
Broad, L.
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Eli Lilly & Co, Erl Wood Manor, Windlesham GU20 6PH, Surrey, EnglandUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Broad, L.
;
Sher, E.
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Eli Lilly & Co, Erl Wood Manor, Windlesham GU20 6PH, Surrey, EnglandUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Sher, E.
;
Benschop, R.
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机构:
Eli Lilly & Co, Indianapolis, IN 46225 USAUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Benschop, R.
;
Johnson, K.
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Eli Lilly & Co, Indianapolis, IN 46225 USAUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Johnson, K.
;
Yates, J. M.
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Univ Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, EnglandUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Yates, J. M.
;
Robinson, P. P.
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Univ Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, EnglandUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Robinson, P. P.
;
Boissonade, F. M.
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Univ Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, EnglandUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
机构:
Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
Bove, SE
;
Calcaterra, SL
论文数: 0引用数: 0
h-index: 0
机构:
Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
Calcaterra, SL
;
Brooker, RM
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机构:
Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
Brooker, RM
;
Huber, CM
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机构:
Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
Huber, CM
;
Guzman, RE
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Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
Guzman, RE
;
Juneau, PL
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Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
Juneau, PL
;
Schrier, DJ
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Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
Schrier, DJ
;
Kilgore, KS
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Pfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USAPfizer Global Res & Dev, Dept Inflammat Pharmacol, Ann Arbor Labs, Ann Arbor, MI 48105 USA
机构:
Univ Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, EnglandUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Bowler, K. E.
;
Worsley, M. A.
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机构:
Univ Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, EnglandUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Worsley, M. A.
;
Broad, L.
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h-index: 0
机构:
Eli Lilly & Co, Erl Wood Manor, Windlesham GU20 6PH, Surrey, EnglandUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Broad, L.
;
Sher, E.
论文数: 0引用数: 0
h-index: 0
机构:
Eli Lilly & Co, Erl Wood Manor, Windlesham GU20 6PH, Surrey, EnglandUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Sher, E.
;
Benschop, R.
论文数: 0引用数: 0
h-index: 0
机构:
Eli Lilly & Co, Indianapolis, IN 46225 USAUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Benschop, R.
;
Johnson, K.
论文数: 0引用数: 0
h-index: 0
机构:
Eli Lilly & Co, Indianapolis, IN 46225 USAUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Johnson, K.
;
Yates, J. M.
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机构:
Univ Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, EnglandUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Yates, J. M.
;
Robinson, P. P.
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机构:
Univ Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, EnglandUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England
Robinson, P. P.
;
Boissonade, F. M.
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h-index: 0
机构:
Univ Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, EnglandUniv Sheffield, Sch Clin Dent, Unit Oral & Maxillofacial Med & Surg, Sheffield S10 2TA, S Yorkshire, England