Corresponding Author: Thomas J. Schnitzer, MD, PhD, Feinberg School of Medicine, Northwestern University, 710 N Lake Shore Dr, Abbot Hall, Ste 1020, Chicago, IL 60611 (tjs@northwestern.edu).
Accepted for Publication: May 22, 2019.
Author Contributions: Dr Schnitzer had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Pixton, Viktrup, Davignon, Brown, West, Verburg.
Acquisition, analysis, or interpretation of data: Schnitzer, Easton, Pang, Levinson, Pixton, Viktrup, Davignon, Brown, West.
Drafting of the manuscript: Easton, Levinson, Pixton, Viktrup, Brown, West, Verburg.
Critical revision of the manuscript for important intellectual content: Schnitzer, Easton, Pang, Pixton, Viktrup, Davignon, Brown, West.
Statistical analysis: Pixton.
Administrative, technical, or material support: Easton, Levinson.
Supervision: Easton, Pang, Viktrup, Davignon, Brown, West, Verburg.
Conflict of Interest Disclosures: Dr Schnitzer reported receiving nonfinancial support from Pfizer during the conduct of the study and grants, personal fees, and nonfinancial support from Pfizer, Regeneron, AbbVie, and Kolon TissueGene; personal fees from Vertex, Sanofi, Astellas, and Calibr; grants and personal fees from Flexion; personal fees and nonfinancial support from GlaxoSmithKline and Aptinyx; and grants from Galapagos and Grunenthal outside the submitted work. Dr Schnitzer also reported performing clinical research for Pfizer Inc and Eli Lilly and Company and has received consulting fees from Pfizer Inc and Eli Lilly and Company. Dr Easton reported receiving compensation for participation in multiple Pfizer-sponsored clinical trials. Dr Pang reported receiving consulting fees from Pfizer Inc. Dr Levinson reported receiving grants from Pfizer during the conduct of the study and grants from Amgen, Regeneron, and AbbVie outside the submitted work. Mr Pixton and Drs Davignon, Brown, Verburg, and West are employees of Pfizer Inc and own stock. Dr Viktrup is an employee of Eli Lilly and Company. Drs Brown and West reported having tanezumab method of treatment patents pending. No other disclosures were reported.
Funding/Support: The study was sponsored by Pfizer Inc and Eli Lilly and Company.
Role of the Funder/Sponsor: Pfizer Inc and Eli Lily and Company contributed to the study design; Pfizer contributed to the management and collection of data. In their role as authors, employees of Pfizer and Eli Lilly were involved in the interpretation of data, preparation, review, and approval of the manuscript and the decision to submit for publication, along with their co-authors. The study sponsors approved the manuscript from an intellectual property perspective but had no right to veto the publication.
Additional Contributions: Editorial support was provided by Shannon Buckley, PhD, and Matt Soulsby, PhD, CMPP, of Engage Scientific Solutions and were funded by Pfizer and Eli Lilly and Company. We thank the central imaging readers: Ali Guermazi, MD, PhD, and Frank Roemer, MD, from Boston Imaging Core Lab, Boston, Massachusetts. We also thank the adjudication committee members for blinded adjudication of joint safety events: David Hungerford, MD (Johns Hopkins University), John Carrino, MD, MPH (Hospital for Special Surgery), Timothy McAlindon, MD, MPH (Tufts Medical Center), Eric Vignon, MD (Université Claude Bernard Lyon 1), and Edward McCarthy, MD (Johns Hopkins University). Central readers and adjudication committee members received financial compensation for these study activities.
Data Sharing Statement: See Supplement 4.
Additional Information: Pfizer Inc, in collaboration with Eli Lilly and Company, is the manufacturer of tanezumab, which is being investigated for the treatment of chronic pain.
1.Donnerer
J, Schuligoi
R, Stein
C. Increased content and transport of substance P and calcitonin gene-related peptide in sensory nerves innervating inflamed tissue: evidence for a regulatory function of nerve growth factor in vivo.
Neuroscience. 1992;49(3):693-698. doi:
10.1016/0306-4522(92)90237-VPubMedGoogle ScholarCrossref 5.Ghilardi
JR, Freeman
KT, Jimenez-Andrade
JM,
et al. Neuroplasticity of sensory and sympathetic nerve fibers in a mouse model of a painful arthritic joint.
Arthritis Rheum. 2012;64(7):2223-2232. doi:
10.1002/art.34385PubMedGoogle ScholarCrossref 6.Jimenez-Andrade
JM, Ghilardi
JR, Castañeda-Corral
G, Kuskowski
MA, Mantyh
PW. Preventive or late administration of anti-NGF therapy attenuates tumor-induced nerve sprouting, neuroma formation, and cancer pain.
Pain. 2011;152(11):2564-2574. doi:
10.1016/j.pain.2011.07.020PubMedGoogle ScholarCrossref 9.Abdiche
YN, Malashock
DS, Pons
J. Probing the binding mechanism and affinity of tanezumab, a recombinant humanized anti-NGF monoclonal antibody, using a repertoire of biosensors.
Protein Sci. 2008;17(8):1326-1335. doi:
10.1110/ps.035402.108PubMedGoogle ScholarCrossref 10.Bélanger
P, West
CR, Brown
MT. Development of pain therapies targeting nerve growth factor signal transduction and the strategies used to resolve safety issues.
J Toxicol Sci. 2018;43(1):1-10. doi:
10.2131/jts.43.1PubMedGoogle ScholarCrossref 13.Brown
MT, Murphy
FT, Radin
DM, Davignon
I, Smith
MD, West
CR. Tanezumab reduces osteoarthritic hip pain: results of a randomized, double-blind, placebo-controlled phase III trial.
Arthritis Rheum. 2013;65(7):1795-1803. doi:
10.1002/art.37950PubMedGoogle ScholarCrossref 15.Hochberg
MC, Tive
LA, Abramson
SB,
et al. When is osteonecrosis not osteonecrosis? adjudication of reported serious adverse joint events in the tanezumab clinical development program.
Arthritis Rheumatol. 2016;68(2):382-391. doi:
10.1002/art.39492PubMedGoogle ScholarCrossref 16. International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use (ICH) adopts Consolidated Guideline on Good Clinical Practice in the Conduct of Clinical Trials on Medicinal Products for Human Use.
Int Dig Health Legis. 1997;48(2):231-234.
PubMedGoogle Scholar 19.Theiler
R, Spielberger
J, Bischoff
HA, Bellamy
N, Huber
J, Kroesen
S. Clinical evaluation of the WOMAC 3.0 OA Index in numeric rating scale format using a computerized touch screen version.
Osteoarthritis Cartilage. 2002;10(6):479-481. doi:
10.1053/joca.2002.0807PubMedGoogle ScholarCrossref 21.Doganay Erdogan
B, Leung
YY, Pohl
C, Tennant
A, Conaghan
PG. Minimal clinically important difference as applied in rheumatology: an OMERACT Rasch Working Group systematic review and critique.
J Rheumatol. 2016;43(1):194-202. doi:
10.3899/jrheum.141150PubMedGoogle ScholarCrossref 22.Ehrich
EW, Davies
GM, Watson
DJ, Bolognese
JA, Seidenberg
BC, Bellamy
N. Minimal perceptible clinical improvement with the Western Ontario and McMaster Universities osteoarthritis index questionnaire and global assessments in patients with osteoarthritis.
J Rheumatol. 2000;27(11):2635-2641.
PubMedGoogle Scholar 23.Tubach
F, Ravaud
P, Baron
G,
et al. Evaluation of clinically relevant changes in patient reported outcomes in knee and hip osteoarthritis: the minimal clinically important improvement.
Ann Rheum Dis. 2005;64(1):29-33. doi:
10.1136/ard.2004.022905PubMedGoogle ScholarCrossref 26.Ekman
EF, Gimbel
JS, Bello
AE,
et al. Efficacy and safety of intravenous tanezumab for the symptomatic treatment of osteoarthritis: 2 randomized controlled trials versus naproxen.
J Rheumatol. 2014;41(11):2249-2259. doi:
10.3899/jrheum.131294PubMedGoogle ScholarCrossref 27.Tive
L, Bello
AE, Radin
D,
et al. Pooled analysis of tanezumab efficacy and safety with subgroup analyses of phase III clinical trials in patients with osteoarthritis pain of the knee or hip.
J Pain Res. 2019;12:975-995. doi:
10.2147/JPR.S191297PubMedGoogle ScholarCrossref