Research Topics
Genomes and GenesSpecies | Walter P MaksymowychSummaryAffiliation: University of Alberta Country: Canada Publications
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Detail Information
Publications
Biochemical markers of ongoing joint damage in rheumatoid arthritis--current and future applications, limitations and opportunitiesMorten A Karsdal
Nordic Bioscience, Herlev Hovedgade 207, DK 2730 Herlev, Denmark
Arthritis Res Ther 13:215. 2011....
Assessment of radiographic progression in the spines of patients with ankylosing spondylitis treated with adalimumab for up to 2 yearsDesiree van der Heijde
Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
Arthritis Res Ther 11:R127. 2009..Our objective was to compare the progression of structural damage in the spine in patients with AS treated with adalimumab for up to 2 years versus patients who had not received TNF antagonist therapy...
Association of the IL1 gene cluster with susceptibility to ankylosing spondylitis: an analysis of three Canadian populationsWalter P Maksymowych
University of Alberta, Edmonton, Alberta, Canada
Arthritis Rheum 54:974-85. 2006..To examine the association between the IL1 gene cluster and susceptibility to ankylosing spondylitis (AS) in 3 independent case-control cohorts...
Association of a specific ERAP1/ARTS1 haplotype with disease susceptibility in ankylosing spondylitisW P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
Arthritis Rheum 60:1317-23. 2009....
MRI in ankylosing spondylitisWalter P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
Curr Opin Rheumatol 21:313-7. 2009..Studies using new MRI-based technologies in ankylosing spondylitis have also been described...
Spondyloarthritis research Consortium of Canada magnetic resonance imaging index for assessment of sacroiliac joint inflammation in ankylosing spondylitisWalter P Maksymowych
University of Alberta, Edmonton, Canada
Arthritis Rheum 53:703-9. 2005....
Progress in spondylarthritis. Spondyloarthritis: lessons from imagingWalter P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Alberta T6G 2S2, Canada
Arthritis Res Ther 11:222. 2009..Ultrasound may be the preferred approach to the assessment of peripheral inflammation, especially enthesitis. Scintigraphy and computed tomography offer few advantages over MRI...
Etanercept exerts beneficial effects on articular cartilage biomarkers of degradation and turnover in patients with ankylosing spondylitisWalter P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Alberta T6G 2S2, Canada
J Rheumatol 32:1911-7. 2005..The low sensitivity to change over time of plain radiographic instruments mandates a search for the effects of these therapies on possible biomarkers of cartilage damage...
Spondyloarthritis Research Consortium of Canada magnetic resonance imaging index for assessment of spinal inflammation in ankylosing spondylitisWalter P Maksymowych
University of Alberta, Edmonton, Alberta, Canada
Arthritis Rheum 53:502-9. 2005....
Novel therapies for ankylosing spondylitisWalter P Maksymowych
Alberta Heritage Foundation for Medical Research, University of Alberta, 562 Heritage Medical Research Building, Edmonton, Alberta T6G 2S2, Canada
Curr Rheumatol Rep 7:182-7. 2005..Conventional second line therapies typically used in rheumatoid arthritis have also been examined and while leflunomide appears to possess limited efficacy, there may be a case for re-examining the value of methotrexate...
Reappraisal of OMERACT 8 draft validation criteria for a soluble biomarker reflecting structural damage endpoints in rheumatoid arthritis, psoriatic arthritis, and spondyloarthritis: the OMERACT 9 v2 criteriaWalter P Maksymowych
Heritage Medical Research Building, University of Alberta, Edmonton, Alberta, Canada
J Rheumatol 36:1785-91. 2009..At OMERACT 9 we aimed to scrutinize the necessity for each of these criteria according to the objectives of the working group...
Proposal for levels of evidence schema for validation of a soluble biomarker reflecting damage endpoints in rheumatoid arthritis, psoriatic arthritis, and ankylosing spondylitis, and recommendations for study designWalter P Maksymowych
Heritage Medical Research Building, University of Alberta, Edmonton, Alberta, Canada
J Rheumatol 36:1792-9. 2009..We also aimed to generate consensus on minimum standards for the design of longitudinal studies aimed at validating biomarkers...
Inflammatory lesions of the spine on magnetic resonance imaging predict the development of new syndesmophytes in ankylosing spondylitis: evidence of a relationship between inflammation and new bone formationWalter P Maksymowych
University of Alberta, Department of Medicine, Edmonton, Alberta, Canada
Arthritis Rheum 60:93-102. 2009....
Imaging in ankylosing spondylitisWalter P Maksymowych
Department of Medicine, University of Alberta, 562 Heritage Medical Research Building, Edmonton, Alta, Canada T6G 2S2
Best Pract Res Clin Rheumatol 20:507-19. 2006..The prognostic significance of acute changes on MRI remains unclear. Reliable approaches to the evaluation of chronic changes are yet to be developed. MRI represents a major advance in the diagnostic evaluation of AS...
Validation of the spondyloarthritis research consortium of Canada magnetic resonance imaging spinal inflammation index: is it necessary to score the entire spine?Walter P Maksymowych
University of Alberta, Edmonton, Alberta, Canada
Arthritis Rheum 57:501-7. 2007..Scoring of the entire spine limits feasibility and a scoring method that records inflammation in only the more severely affected spinal segments may improve feasibility without sacrificing performance...
Development of draft validation criteria for a soluble biomarker to be regarded as a valid biomarker reflecting structural damage endpoints in rheumatoid arthritis and spondyloarthritis clinical trialsWalter P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
J Rheumatol 34:634-40. 2007..Our objective was to develop validation criteria for a soluble biomarker to be regarded as a valid biomarker reflecting radiological endpoints in RA and SpA clinical trials...
Development and validation of the Spondyloarthritis Research Consortium of Canada (SPARCC) Enthesitis IndexW P Maksymowych
Department of Medicine, University of Alberta, Canada
Ann Rheum Dis 68:948-53. 2009..Enthesitis is a recommended core domain for assessment of ankylosing spondylitis (AS), but no measurement has yet been validated according to Outcome Measures in Rheumatoid Arthritis Clinical Trials (OMERACT) criteria...
Beneficial effects of adalimumab on biomarkers reflecting structural damage in patients with ankylosing spondylitisWalter P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
J Rheumatol 35:2030-7. 2008..We analyzed the effects of adalimumab on biomarkers predictive of structural damage in inflammatory arthritis...
Evaluation and validation of the patient acceptable symptom state (PASS) in patients with ankylosing spondylitisWalter P Maksymowych
University of Alberta, Edmonton, Canada
Arthritis Rheum 57:133-9. 2007..We explored contributors to PASS, validated the PASS concept, and assessed thresholds of self-reported outcomes below which patients considered themselves in PASS...
Do bisphosphonates and statins have a role in spondyloarthritis management?Walter P Maksymowych
University of Alberta, Edmonton, Alberta T6G 2S2, Canada
Curr Rheumatol Rep 10:364-70. 2008..Primarily open-label data in spondylo-arthritis suggests mild to moderate efficacy on symptoms and function but their primary clinical role may be as adjunctive therapy to manage systemic osteoporosis and risk for cardiovascular events...
Development and validation of a simple tape-based measurement tool for recording cervical rotation in patients with ankylosing spondylitis: comparison with a goniometer-based approachWalter P Maksymowych
Department of Medicine, Heritage Medical Research Building, University of Alberta, Edmonton, Alberta, Canada
J Rheumatol 33:2242-9. 2006..To compare a tape-based tool for measuring cervical mobility in patients with ankylosing spondylitis (AS) with the widely practiced goniometer-based approach...
Spinal inflammation in ankylosing spondylitis--how and why should it be measured by MRI?Walter P Maksymowych
Department of Medicine, University of Alberta, in Edmonton, AB, Canada
Nat Clin Pract Rheumatol 2:232-3. 2006
Does height influence the assessment of spinal and hip mobility measures used in ankylosing spondylitis?Walter P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
J Rheumatol 33:2035-40. 2006..We examined the contribution of height to the variability of mobility measures in patients with a diverse spectrum of AS disease...
Development and validation of the Edmonton Ankylosing Spondylitis Metrology IndexWalter P Maksymowych
University of Alberta, Edmonton, Alberta, Canada
Arthritis Rheum 55:575-82. 2006..Our objective was to validate a simple, 4-item composite measure of spinal and hip mobility, the Edmonton AS Metrology Index (EDASMI)...
Serum matrix metalloproteinase 3 is an independent predictor of structural damage progression in patients with ankylosing spondylitisWalter P Maksymowych
University of Alberta, Edmonton, Alberta, Canada
Arthritis Rheum 56:1846-53. 2007..This study was undertaken to analyze serologic biomarkers as predictors of radiographic progression in AS...
Imaging in spondyloarthritisWalter P Maksymowych
Alberta Heritage Foundation for Medical Research, University of Alberta, Edmonton, Alberta, Canada
Adv Exp Med Biol 649:17-36. 2009..Ultrasound provides a more feasible and cost-effective approach to the assessment of peripheral inflammation, especially enthesitis...
Thresholds of patient-reported outcomes that define the patient acceptable symptom state in ankylosing spondylitis vary over time and by treatment and patient characteristicsWalter P Maksymowych
University of Alberta, Edmonton, Alberta, Canada
Arthritis Care Res (Hoboken) 62:826-34. 2010..We evaluated whether ankylosing spondylitis (AS) patient characteristics were associated with attaining the PASS and whether these characteristics influenced PASS thresholds for patient-reported outcome (PRO) tools...
Disease modification in ankylosing spondylitisWalter P Maksymowych
Department of Medicine, 562 Heritage Medical Research Building, University of Alberta, Edmonton, Alberta, Canada
Nat Rev Rheumatol 6:75-81. 2010..Therapeutic trials recruiting patients early in their disease course and at high risk of radiographic progression constitute a high priority for clinical research in AS...
Biomarkers in spondyloarthritisWalter P Maksymowych
Department of Medicine, University of Alberta, 562 Heritage Medical Research Building, Edmonton, AB, T6G 2S2, Canada
Curr Rheumatol Rep 12:318-24. 2010....
Amelioration of accelerated collagen induced arthritis by a novel calcineurin inhibitor, ISA(TX)247Walter P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Canada
J Rheumatol 29:1646-52. 2002..ISA(TX)247 has up to 3-fold greater potency than CSA in an in vitro whole blood calcineurin inhibition assay and in in vivo solid organ and cell transplantation models. Phase I clinical trials show no discernible nephrotoxicity...
Novel therapies in the treatment of spondyloarthritisWalter P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Alberta, Canada T6G 2S2
Expert Opin Investig Drugs 11:937-46. 2002..Significant costs and the requirement for continuous therapy are likely to spur the development of orally bioavailable agents targeting TNF- alpha expression...
Infliximab in ankylosing spondylitis: a prospective observational inception cohort analysis of efficacy and safetyWalter P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Canada
J Rheumatol 29:959-65. 2002..We also used a lower dose, 3 mg/kg, than has been evaluated to date in AS...
A six-month randomized, controlled, double-blind, dose-response comparison of intravenous pamidronate (60 mg versus 10 mg) in the treatment of nonsteroidal antiinflammatory drug-refractory ankylosing spondylitisWalter P Maksymowych
University of Alberta, Edmonton, Alberta, Canada
Arthritis Rheum 46:766-73. 2002..To determine the safety and efficacy of intravenous (IV) pamidronate treatment in ankylosing spondylitis (AS) patients who have had a suboptimal response to nonsteroidal antiinflammatory drugs (NSAIDs)...
A randomized, placebo controlled trial of an antisense oligodeoxynucleotide to intercellular adhesion molecule-1 in the treatment of severe rheumatoid arthritisWalter P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Canada
J Rheumatol 29:447-53. 2002....
Diagnostic utility of MRI in early spondyloarthritisWalter P Maksymowych
Department of Medicine, University of Alberta, Edmonton, AB, T6G 2S2, Canada
Curr Rheumatol Rep 13:402-8. 2011..Interest in MRI for SpA is poised for substantial growth...
Anti-inflammatory and immunomodulatory therapies in spondyloarthropathiesW P Maksymowych
Associate Professor of Medicine, Rheumatic Disease Unit, University of Alberta, 562 Heritage Medical Research Center, Edmonton, AB T6G 2S2, Canada
Curr Opin Investig Drugs 1:63-9. 2000..However, the recent development of internationally standardized and validated clinical outcome assessment tools as well as sophisticated magnetic resonance imaging are rekindling interest in these disorders...
HLA and cytokine gene polymorphisms in relation to occurrence of palindromic rheumatism and its progression to rheumatoid arthritisWalter P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
J Rheumatol 29:2319-26. 2002..Our objective was to determine the contribution of HLA and cytokine gene polymorphisms implicated in RA to predisposition to PR and to progression of PR to chronic joint inflammation...
Low-dose infliximab (3 mg/kg) significantly reduces spinal inflammation on magnetic resonance imaging in patients with ankylosing spondylitis: a randomized placebo-controlled studyWalter P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
J Rheumatol 37:1728-34. 2010..The dose recommended for rheumatoid arthritis (3 mg/kg) is also clinically effective for ankylosing spondylitis (AS), although effects on spinal inflammation as defined by MRI have yet to be described in a placebo-controlled trial...
Validation of definitions for structural lesions detected by magnetic resonance imaging in the spine of patients with spondyloarthritisPraveena Chiowchanwisawakit
Address correspondence to Dr W P Maksymowych, 562 Heritage Medical Research Building, University of Alberta, Edmonton, Alberta T6G 2S2, Canada E mail
J Rheumatol Suppl 84:39-47. 2009..Despite rigorous standardization of definitions, substantial calibration is required for vertebral corner erosions and bone spurs...
Validation of definitions for active inflammatory lesions detected by magnetic resonance imaging in the spine of patients with spondyloarthritisSusanne J Pedersen
Address correspondence to Dr W Maksymowych, 562 Heritage Medical Research Building, University of Alberta, Edmonton, Alberta T6G 2S2, Canada E mail
J Rheumatol Suppl 84:35-8. 2009..Despite rigorous standardization of definitions, detection of active inflammatory lesions is difficult and requires substantial calibration...
Ankylosing spondylitis. Not just another pain in the backWalter P Maksymowych
Department of Medicine, University of Alberta, Edmonton
Can Fam Physician 50:257-62. 2004..To review recent developments in diagnosis and treatment of ankylosing spondylitis (AS)...
Update in spondylarthropathyWalter P Maksymowych
University of Alberta, Edmonton, Alberta, Canada
Arthritis Rheum 51:143-6. 2004
High-throughput single-nucleotide polymorphism analysis of the IL1RN locus in patients with ankylosing spondylitis by matrix-assisted laser desorption ionization-time-of-flight mass spectrometryWalter P Maksymowych
University of Alberta, Edmonton, Alberta, Canada
Arthritis Rheum 48:2011-8. 2003....
Impact of age, sex, physical function, health-related quality of life, and treatment with adalimumab on work status and work productivity of patients with ankylosing spondylitisWalter P Maksymowych
University of Alberta, Alberta, Canada
J Rheumatol 37:385-92. 2010..To determine factors associated with work in patients with ankylosing spondylitis (AS)...
Canadian Rheumatology Association Consensus on the use of anti-tumor necrosis factor-alpha directed therapies in the treatment of spondyloarthritisWalter P Maksymowych
The University of Alberta, Edmonton, Canada
J Rheumatol 30:1356-63. 2003..It is the position of the CRA that all therapeutic options should be equally available according to the best judgments of the treating physician and the informed decision of the patient...
Development and Validation of Web-based Training Modules for Systematic Evaluation of Active Inflammatory Lesions in the Spine and Sacroiliac Joints in SpondyloarthritisWalter P Maksymowych
Address correspondence to Dr W P Maksymowych, 562 Heritage Medical Research Building, University of Alberta, Edmonton, Alberta T6G 2S2, Canada E mail
J Rheumatol Suppl 84:48-57. 2009..CONCLUSION: Systematic evaluation of SIJ and spinal inflammation by MRI can be significantly improved using Web-based training modules...
Systematic assessment of inflammation by magnetic resonance imaging in the posterior elements of the spine in ankylosing spondylitisWalter P Maksymowych
University of Alberta, Edmonton, Alberta, Canada
Arthritis Care Res (Hoboken) 62:4-10. 2010....
Adalimumab significantly reduces both spinal and sacroiliac joint inflammation in patients with ankylosing spondylitis: a multicenter, randomized, double-blind, placebo-controlled studyRobert G W Lambert
University of Alberta, Edmonton, Alberta, Canada
Arthritis Rheum 56:4005-14. 2007..To compare the efficacy of adalimumab versus placebo in reducing spinal and sacroiliac (SI) joint inflammation, by magnetic resonance imaging (MRI) in patients with active ankylosing spondylitis (AS)...
Osteoporosis case manager for patients with hip fractures: results of a cost-effectiveness analysis conducted alongside a randomized trialSumit R Majumdar
Institute of Health Economics and Department of Medicine, University of Alberta, Edmonton, AB T6G 2B7, Canada
Arch Intern Med 169:25-31. 2009..001). Alongside that trial, we conducted an economic analysis...
Facilitated bone mineral density testing versus hospital-based case management to improve osteoporosis treatment for hip fracture patients: additional results from a randomized trialDonald W Morrish
University of Alberta, Edmonton, Alberta, Canada
Arthritis Rheum 61:209-15. 2009..The second phase of the randomized trial compared a less intensive intervention, facilitated bone mineral density (BMD) testing, with usual care and the case manager intervention...
Association of interleukin 23 receptor variants with psoriatic arthritisProton Rahman
Department of Medicine, Memorial University, 154 Le Marchant Road, St John s, NL, Canada, A1C 5B8
J Rheumatol 36:137-40. 2009..Given the interplay between psoriasis and PsA, we examined the association of IL-23R variants in 2 independent Canadian Caucasian cohorts of patients with psoriatic arthritis (PsA)...
Testing of the preliminary OMERACT validation criteria for a biomarker to be regarded as reflecting structural damage endpoints in rheumatoid arthritis clinical trials: the example of C-reactive proteinStephanie O Keeling
Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
J Rheumatol 34:623-33. 2007..2) To assess the strength of recommendation for inclusion of individual criteria in the draft set...
Clinimetric evaluation of the bath ankylosing spondylitis metrology index in a controlled trial of pamidronate therapyEdwin Jauregui
Heritage Medical Research Centre, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada T6G 2S2
J Rheumatol 31:2422-8. 2004..Lumbar side flexion was the most responsive of the BASMI components. Changes in the BASMI and its individual components did not correlate well with changes in functional outcomes...
Testing of the OMERACT 8 draft validation criteria for a soluble biomarker reflecting structural damage in rheumatoid arthritis: a systematic literature search on 5 candidate biomarkersSilje W Syversen
Heritage Medical Research Building, University of Alberta, Edmonton, Alberta, Canada
J Rheumatol 36:1769-84. 2009..To test the OMERACT 8 draft validation criteria for soluble biomarkers by assessing the strength of literature evidence in support of 5 candidate biomarkers...
Multifaceted intervention to improve diagnosis and treatment of osteoporosis in patients with recent wrist fracture: a randomized controlled trialSumit R Majumdar
Department of Medicine, University of Alberta, Edmonton, Alta
CMAJ 178:569-75. 2008....
Educational intervention to reduce falls and fear of falling in patients after fragility fracture: results of a controlled pilot studyDiana Rucker
Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
Prev Med 42:316-9. 2006..Future strategies must address a number of dimensions beyond simple education...
Steroid injection for osteoarthritis of the hip: a randomized, double-blind, placebo-controlled trialRobert G W Lambert
Department of Radiology and Diagnostic Imaging, University of Alberta, Edmonton, Alberta, Canada
Arthritis Rheum 56:2278-87. 2007..To determine the efficacy of fluoroscopically guided corticosteroid injection for hip osteoarthritis (OA) in a randomized, double-blind, placebo-controlled trial...
The impact of MRI on the clinical management of inflammatory arthritidesUlrich Weber
Department of Medicine, Division of Rheumatology, University of Alberta, 562 Heritage Medical Research Centre, Edmonton, Alberta, Canada
Skeletal Radiol 40:1153-73. 2011..Research should focus on the prognostic significance of MRI lesions in larger cohorts and whether adding MRI to routine care improves clinical and radiographic outcome in patients with inflammatory arthritides...
Focal fat lesions at vertebral corners on magnetic resonance imaging predict the development of new syndesmophytes in ankylosing spondylitisPraveena Chiowchanwisawakit
University of Alberta, Edmonton, Alberta, Canada
Arthritis Rheum 63:2215-25. 2011..To support the concept of coupling between inflammation and new bone formation, we tested the hypothesis that focal fat infiltration at a vertebral corner is more likely to evolve into a de novo syndesmophyte...
The Canadian Rheumatology Association/ Spondyloarthritis Research Consortium of Canada treatment recommendations for the management of spondyloarthritis: a national multidisciplinary stakeholder projectWalter P Maksymowych
University of Alberta, Edmonton, Alberta, Canada
J Rheumatol 34:2273-84. 2007..2) To generate a procedural template for the multidisciplinary development of treatment recommendations...
The role of anti-cyclic citrullinated peptide antibodies in predicting progression of palindromic rheumatism to rheumatoid arthritisAnthony S Russell
Department of Medicine, Division of Rheumatology, University of Alberta, Edmonton, Alberta, Canada
J Rheumatol 33:1240-2. 2006..To determine whether the presence of anti-cyclic citrullinated peptide (anti-CCP) antibodies at presentation is of prognostic value in patients with palindromic arthritis...
The responsiveness of generic health status measures as assessed in patients with rheumatoid arthritis receiving infliximabAnthony S Russell
Rheumatic Disease Unit, University of Alberta, Edmonton, Alberta Canada
J Rheumatol 30:941-7. 2003..There was a closer association of the patient centered measures of improvement with changes in pain score than with joint counts...
Prospective observational analysis of the efficacy and safety of low-dose (3 mg/kg) infliximab in ankylosing spondylitis: 4-year followupStephanie Keeling
Department of Medicine, University of Alberta, Canada
J Rheumatol 33:558-61. 2006..CONCLUSION: Low-dose (3 mg/kg) infliximab therapy is associated with sustained effectiveness in patients with AS in the real-world setting...
Use of a case manager to improve osteoporosis treatment after hip fracture: results of a randomized controlled trialSumit R Majumdar
Department of Medicine, 362 Heritage Medical Research Center, University of Alberta, Edmonton AB T6G 2S2, Canada
Arch Intern Med 167:2110-5. 2007..The case manager educated patients, arranged bone mineral density tests, provided prescriptions, and communicated with primary care physicians. The intervention was compared with usual care in a randomized controlled trial...
High prevalence of symptomatic enthesopathy of the shoulder in ankylosing spondylitis: deltoid origin involvement constitutes a hallmark of diseaseRobert G W Lambert
University of Alberta, Edmonton, Alberta, Canada
Arthritis Rheum 51:681-90. 2004..Intense acromial bone edema at the deltoid origin is a hitherto undescribed and highly specific feature of AS. Enthesopathy of the rotator cuff is underrecognized in AS and should be incorporated into instruments measuring enthesitis...
Active inflammatory lesions detected by magnetic resonance imaging in the spine of patients with spondyloarthritis - definitions, assessment system, and reference image setRobert G W Lambert
Address correspondence to Dr R G W Lambert, Department of Radiology and Diagnostic Imaging, University of Alberta, WMC 2A2 41, Edmonton, AB T6G 2B7, Canada E mail
J Rheumatol Suppl 84:3-17. 2009..The system is designed to study the temporal and spatial patterns of inflammation and their relation to the development of structural damage...
A controlled trial to increase detection and treatment of osteoporosis in older patients with a wrist fractureSumit R Majumdar
Department of Medicine, University of Alberta, 2E3 07 Walter Mackenzie Health Sciences Centre, University of Alberta Hospital, 8440 112th Street, Edmonton, Alberta T6G 2B7, Canada
Ann Intern Med 141:366-73. 2004..Despite the high risk for future fractures and the availability of effective treatments, fewer than 10% to 20% of patients who sustain a fragility fracture are tested or treated for osteoporosis...
In vivo microfocal computed tomography and micro-magnetic resonance imaging evaluation of antiresorptive and antiinflammatory drugs as preventive treatments of osteoarthritis in the ratMichael D Jones
Pharmacy and Pharmaceutical Sciences, University of Alberta, Dentistry Pharmacy Centre, Edmonton, Alberta, Canada
Arthritis Rheum 62:2726-35. 2010..To determine whether treatment with an antiresorptive drug in combination with an antiinflammatory drug reduces periarticular bone and soft tissue adaptations associated with the progression of posttraumatic secondary osteoarthritis (OA)...
Sensitivity and specificity of magnetic resonance imaging for axial spondyloarthritisUlrich Weber
Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
Am J Med Sci 341:272-7. 2011..Single MRI lesions suggestive of inflammation can be found in the SIJ and the spine in up to one quarter of healthy controls and young patients with mechanical back pain...
Invasion by Salmonella typhimurium induces increased expression of the LMP, MECL, and PA28 proteasome genes and changes in the peptide repertoire of HLA-B27W P Maksymowych
Departments of Medicine and Medical Microbiology and Immunology, University of Alberta, Edmonton, Canada
Infect Immun 66:4624-32. 1998....
Cost-effectiveness of a multifaceted intervention to improve quality of osteoporosis care after wrist fractureS R Majumdar
Department of Medicine, University of Alberta, Edmonton, AB, Canada
Osteoporos Int 22:1799-808. 2011..An economic analysis of the trial now demonstrates that the intervention tested "dominates" usual care: over a lifetime horizon, it reduces fracture, increases quality-adjusted life years, and saves the healthcare system money...
Persistence, reproducibility, and cost-effectiveness of an intervention to improve the quality of osteoporosis care after a fracture of the wrist: results of a controlled trialS R Majumdar
Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
Osteoporos Int 18:261-70. 2007..Our objective was to examine longer-term outcomes, reproducibility, and cost-effectiveness of this intervention...
Nurse case-manager vs multifaceted intervention to improve quality of osteoporosis care after wrist fracture: randomized controlled pilot studyS R Majumdar
Department of Medicine, University of Alberta, 8440 112th Street, Edmonton, Alberta, T6G 2B7, Canada
Osteoporos Int 22:223-30. 2011....
Clinical and radiological amelioration of refractory peripheral spondyloarthritis by pulse intravenous pamidronate therapyW P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Canada
J Rheumatol 28:144-55. 2001..CONCLUSION: Preliminary data from uncontrolled studies support the efficacy of pamidronate therapy for NSAID refractory SpA and warrant further evaluation in controlled trials...
The dosage of infliximab in the treatment of ankylosing spondylitis: dollars and senseA S Russell
Rheumatic Disease Unit, University of Alberta, Edmonton, Canada
Clin Exp Rheumatol 20:S135-6. 2002....
Ankylosing spondylitis and current disease-controlling agents: do they work?Walter P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Alberta, Canada T6G 2S2
Best Pract Res Clin Rheumatol 16:619-30. 2002..No conclusions can be drawn from the limited studies evaluating methotrexate...
Treatment of refractory symphysitis pubis with intravenous pamidronateW P Maksymowych
Department of Medicine, University of Alberta, Edmonton, Canada
J Rheumatol 28:2754-7. 2001..Remission was also evident in 2 patients on isotope bone scan. Followup has revealed no recurrence. Intravenous pamidronate may constitute a safe and effective treatment option for patients with refractory osteitis pubis...
Genetics of ankylosing spondylitis and rheumatoid arthritis: where are we at currently, and how do they compare?W P Maksymowych
Alberta Heritage Foundation for Medical Research, Professor of Medicine, University of Alberta, Canada
Clin Exp Rheumatol 27:S20-5. 2009..In AS, genes involved in response to IL12/IL23, and in endoplasmic reticulum peptide presentation, have been identified, but a full genomewide association study has not yet been reported...
Mandatory pharmacosurveillance--a Canadian model for access to therapy and researchS G Barr
Department of Medicine, University of Calgary, Canada
Clin Exp Rheumatol 22:S39-43. 2004..The clinic data sheets are available at www. altarheum.com. The program also provides a sustainable model for promoting observational research on therapeutics in general...
The clinical assessment of patients with psoriatic arthritis: results of a reliability study of the spondyloarthritis research consortium of CanadaDafna D Gladman
The Psoriatic Arthritis Program, University of Toronto, Toronto, Ontario, Canada
J Rheumatol 31:1126-31. 2004..To evaluate whether rheumatologists experienced in psoriatic arthritis (PsA) assess peripheral and axial involvement in the same way and to consider core clinical measurements that should be included in clinical trials in PsA...
Reporting process of randomized controlled trialsWalter P Maksymowych
CMAJ 170:1375. 2004
Mandatory pharmacovigilanceWalter P Maksymowych
CMAJ 168:672; discussion 672-3. 2003
Clues to pathogenesis of spondyloarthropathy derived from synovial fluid mononuclear cell gene expression profilesJieruo Gu
University of California Los Angeles, 90095, USA
J Rheumatol 29:2159-64. 2002..CONCLUSION: Previous data postulating UPR in SpA are based on in vitro experiments with transfected cell lines. Our patient derived data suggest that it also occurs in vivo in the macrophages of SpA joints...
Bisphosphonates for arthritis--a confusing rationaleWalter P Maksymowych
J Rheumatol 30:430-4. 2003
Scoring inflammatory activity of the spine by magnetic resonance imaging in ankylosing spondylitis: a multireader experimentCédric Lukas
Department of Internal Medicine, Division of Rheumatology, University Hospital Maastricht, The Netherlands
J Rheumatol 34:862-70. 2007..We investigated feasibility, inter-reader reliability, sensitivity to change, and discriminatory ability of 3 different scoring methods for MRI activity and change in activity of the spine in patients with AS...
International spondyloarthritis interobserver reliability exercise--the INSPIRE study: I. Assessment of spinal measuresDafna D Gladman
Division of Rheumatology, University of Toronto, Toronto, Ontario, Canada
J Rheumatol 34:1733-9. 2007..To determine whether the axial measures used in primary ankylosing spondylitis (AS) were reproducible for both AS and psoriatic arthritis (PsA) with axial disease...
Is there a preferred method for scoring activity of the spine by magnetic resonance imaging in ankylosing spondylitis?Desiree van der Heijde
Department of Internal Medicine, Division of Rheumatology, University Hospital Maastricht and CAPHRI Research Institute, University Maastricht, The Netherlands d vanderheijde kpnplanet nl
J Rheumatol 34:871-3. 2007..The Berlin and SPARCC methods were preferred most frequently. The development of a new method combining the best elements of all methods is an additional possibility...
Association of interleukin-23 receptor variants with ankylosing spondylitisProton Rahman
Memorial University, St John s, Newfoundland, Canada
Arthritis Rheum 58:1020-5. 2008....
Evaluation of the patient acceptable symptom state as an outcome measure in patients with ankylosing spondylitis: data from a randomized controlled trialMaxime Dougados
Hôpital Cochin and University of Paris, Paris, France
Arthritis Rheum 59:553-60. 2008..To evaluate the feasibility/acceptability, reliability, external validity, and discriminant capacity of the Patient Acceptable Symptom State (PASS) concept in patients with active ankylosing spondylitis (AS)...
International spondyloarthritis interobserver reliability exercise--the INSPIRE study: II. Assessment of peripheral joints, enthesitis, and dactylitisDafna D Gladman
Centre for Prognosis Studies in the Rheumatic Diseases, University of Toronto, Toronto, Ontario, Canada
J Rheumatol 34:1740-5. 2007..To determine whether the assessments of peripheral joints and enthesitis were reproducible for both AS and PsA with axial disease, and whether dactylitis assessment is reproducible in patients with PsA...
Rheumatoid arthritis association with the FCRL3 -169C polymorphism is restricted to PTPN22 1858T-homozygous individuals in a Canadian populationWilliam G Newman
University of Manchester, Manchester, UK
Arthritis Rheum 54:3820-7. 2006..The aim of this study was to investigate these associations in a Canadian Caucasian cohort of RA cases and healthy controls...
The cost-effectiveness of infliximab (Remicade) in the treatment of ankylosing spondylitis in CanadaGisela Kobelt
European Health Economics SAS, Mulhouse, France
J Rheumatol 33:732-40. 2006..To estimate the cost-effectiveness of the treatment of ankylosing spondylitis (AS) with infliximab (Remicade) in Canada over the long term, with both international and Canadian treatment regimens...
A randomized, multicenter, double-blind, placebo-controlled phase 2 trial of ISA247 in patients with chronic plaque psoriasisRobert Bissonnette
Innovaderm Research, Montreal, Canada
J Am Acad Dermatol 54:472-8. 2006..Use of current oral calcineurin inhibitors for the treatment of psoriasis is limited by toxicity...
Costs and quality of life of patients with ankylosing spondylitis in CanadaGisela Kobelt
European Health Economics SAS, Mulhouse, France
J Rheumatol 33:289-95. 2006..Our findings provide information on the burden of AS and a baseline for assessing the cost-effectiveness of the new biological agents in this indication...
Application of the OMERACT filter to scoring methods for magnetic resonance imaging of the sacroiliac joints and the spine. Recommendations for a research agenda at OMERACT 7Desiree M F M Van der Heijde
Department of Internal Medicine, Division of Rheumatology, University Hospital Maastricht, University Maastricht, 6202 AZ Maastricht, The Netherlands
J Rheumatol 32:2042-7. 2005..Research on assessing structural damage was considered less important. The specific process and results of this initiative are discussed...
Serum levels of matrix metalloproteinase 3 and macrophage colony-stimulating factor 1 correlate with disease activity in ankylosing spondylitisChunhua Yang
University of California Los Angeles, USA
Arthritis Rheum 51:691-9. 2004..CONCLUSION: MMP-3 and M-CSF are potentially useful markers of AS disease activity...
Lack of linkage of IL1RN genotypes with ankylosing spondylitis susceptibilityLi Jin
University of Cincinnati Cincinnati, OH, USA
Arthritis Rheum 50:3047-8. 2004
Definitions and validation criteria for biomarkers and surrogate endpoints: development and testing of a quantitative hierarchical levels of evidence schemaMarissa N Lassere
Department of Rheumatology, St George Hospital, University of New South Wales, Sydney, Australia
J Rheumatol 34:607-15. 2007..Our objective was to review the literature on biomarkers and surrogates to develop a hierarchical schema that systematically evaluates and ranks the surrogacy status of biomarkers and surrogates; and to obtain feedback from stakeholders...
Detection of high levels of 2 specific isoforms of 14-3-3 proteins in synovial fluid from patients with joint inflammationRuhangiz T Kilani
Department of Surgery, University of British Columbia, Vancouver, British Columbia, Canada
J Rheumatol 34:1650-7. 2007....
Therapy for ankylosing spondylitis: new treatment modalitiesJ Braun
Rheumazentrum Ruhrgebiet, Landgrafenstr.15, 44652, Herne, Germany
Best Pract Res Clin Rheumatol 16:631-51. 2002..Hopefully, both agents will be approved soon for the short-term treatment of severe SpA. In parallel, studies should be performed to document the long-term efficacy and safety of this treatment...
Magnetic resonance imaging for spondyloarthritis--avoiding the minefieldWalter P Maksymowych
J Rheumatol 34:259-65. 2007
