Contact information
Research groups
Colleges
Collaborators
-
David Beard
Professor of Musculoskeletal and Surgical Science
-
Cyrus Cooper
Professor of Musculoskeletal Science, University of Oxford
-
Loretta Davies
SITU Trials Portfolio Manager (Operational Lead)
-
Kelechi Eseonu
MSc Taught Programme
-
Kassim Javaid
Professor of Osteoporosis and Adult Rare Bone Diseases
-
Jolet Mimpen
Postdoctoral Research Fellow
-
Paul Monk
Honorary Departmental Clinical Lecturer in Orthopaedics
-
Thomas Perry
Senior Molecular Epidemiologist
-
Sarah Snelling
Professor of Musculoskeletal Science
-
Fiona Watt
Departmental Senior Research Fellow
-
Xiaotian Yang
Researcher
-
Andrew Price
Professor of Orthopaedics Surgery
Stefan Kluzek
MRCP DipSEM PGCert M.Sc D.Phil FFSEM
Clinician Scientist in Sport and Exercise Medicine
knee injuries, knee osteoarthritis; molecular epidemiology; synovitis; metabolic stress-induced joint inflammation
I am a Sport and Exercise Medicine consultant with clinical and research interests in knee injuries, osteoarthritis and metabolic dysregulation. My research explores the role of inflammatory pathways in the development of knee osteoarthritis. I am particularly interested in identifying the mechanisms leading to early cardiovascular mortality in knee osteoarthritis.
As a medical student and junior doctor, I witnessed reduced mortality due to the development of evidence-based secondary prevention in cardiovascular medicine. This inspired my initial research focus on the role of stem cells in cardiac vascularisation and clinical research in cardiopulmonary exercise testing. It also stimulated interest in exercise medicine, population health and musculoskeletal medicine. Seven years ago, I entered higher specialist training in Sport and Exercise Medicine to combine my clinical and research interests.
In my MSc., I performed an extensive systematic review and meta-analysis of the effectiveness of physical activity interventions in patients with knee osteoarthritis. This made me realise that underlying mechanisms driving knee pain, disability and multiple comorbidities required further investigation before I define any new interventions. During the second year of my MSc. programme, I developed my interest in the biomarkers associated with both synovial inflammation and metabolic dysregulation, intending to develop research supporting the secondary prevention of knee osteoarthritis.
My DPhil fellowship was awarded by the Arthritis Research UK Centre of Excellence in Sport, Exercise and Osteoarthritis. My project “Markers of synovial inflammation in cohorts at risk of knee osteoarthritis” provided me with key epidemiological, statistical and laboratory skills. I designed and recruited a prospective study of individuals with recent knee injuries.
During this work, I developed a new sonographic biomarker of synovial inflammation. I tested several molecules previously associated with synovitis in the established knee osteoarthritis as potential risk factors for knee osteoarthritis incidence.
Between 2016 to 2019, a subsequent competitive Clinical Lectureship has allowed me to continue research alongside my clinical training. During this time, I have increased my independent work and developed local and international collaborations to support further research.
I firmly believe that tackling knee osteoarthritis will help us reduce medical comorbidity in middle and older age - and this is the next big frontier of modern medicine after longevity has dramatically increased in the second half of the 20th century.
During my MSc, fellowship, DPhil and lectureship, I demonstrated significant dedication towards discovery, creativity, and innovation in knee injury and osteoarthritis, focusing on early stratification by identifying individuals with a high inflammatory response.
My clinical interests are in knee trauma, osteoarthritis, exercise medicine and musculoskeletal ultrasonography.
Key publications
-
Painful knee but not hand osteoarthritis is an independent predictor of mortality over 23 years follow-up of a population-based cohort of middle-aged women.
Journal article
Kluzek S. et al, (2016), Ann Rheum Dis, 75, 1749 - 1756
-
Behavioural physical activity interventions in participants with lower-limb osteoarthritis: a systematic review with meta-analysis.
Journal article
Williamson W. et al, (2015), BMJ Open, 5
-
MARKERS ASSOCIATED WITH SYNOVIAL INFLAMMATION CAN IDENTIFY WOMEN AT HIGH RISK OF DEVELOPING PAINFUL RADIOGRAPHIC KNEE OSTEOARTHRITIS: A PROSPECTIVE COMMUNITY BASED COHORT
Conference paper
Kluzek S. et al, (2018), OSTEOARTHRITIS AND CARTILAGE, 26, S124 - S125
-
Association of metabolic syndrome with knee and hand osteoarthritis: A community-based study of women.
Journal article
Sanchez-Santos MT. et al, (2019), Semin Arthritis Rheum, 48, 791 - 798
-
Serum cartilage oligomeric matrix protein and development of radiographic and painful knee osteoarthritis. A community-based cohort of middle-aged women.
Journal article
Kluzek S. et al, (2015), Biomarkers, 20, 557 - 564
-
Is osteoarthritis a metabolic disorder?
Journal article
Kluzek S. et al, (2015), Br Med Bull, 115, 111 - 121
-
Associations Between Clinical Evidence of Inflammation and Synovitis in Symptomatic Knee Osteoarthritis: A Cross-Sectional Substudy.
Journal article
Wallace G. et al, (2017), Arthritis Care Res (Hoboken), 69, 1340 - 1348
-
Adipokines as potential prognostic biomarkers in patients with acute knee injury.
Journal article
Kluzek S. et al, (2015), Biomarkers, 20, 519 - 525
-
Risk of Injury in Royal Air Force Training: Does Sex Really Matter?
Journal article
Fallowfield JL. et al, (2020), Mil Med, 185, 170 - 177
-
Towards prevention of post-traumatic osteoarthritis: report from an international expert working group on considerations for the design and conduct of interventional studies following acute knee injury.
Journal article
Watt FE. et al, (2019), Osteoarthritis Cartilage, 27, 23 - 33
Recent publications
-
Student perceptions of novel and traditional anatomy teaching tools in sport and exercise science
Journal article
Noel-Barker NL. et al, (2025), European Journal of Anatomy, 29, 401 - 412
-
Serum sampling proximal to the joint or after exercise influences biomarker concentration and potentially improves understanding of joint microenvironment: a pilot case-control study
Journal article
O'Sullivan O. et al, (2025), F1000Research, 14, 395 - 395
-
Novel Method for Routine Ultrasound-Guided Serum Collection for Biomarker Analysis Around the Knee Joint
Journal article
Kluzek S. and O'Sullivan O., (2025), F1000Research, 14, 68 - 68
-
The Effect of Dark Chocolate Consumption on Arterial Function in Endurance Male Runners: Prospective Cohort Study.
Journal article
Vordos Z. et al, (2024), Sports (Basel), 12
-
Acetabular dysplasia and the risk of developing hip osteoarthritis within 4-8 years: An individual participant data meta-analysis of 18,807 hips from the World COACH consortium.
Journal article
Riedstra NS. et al, (2024), Osteoarthritis Cartilage
-
Motor unit discharge properties of the vastii muscles and their modulation with contraction level depend on the knee-joint angle
Preprint
Valenčič T. et al, (2024)
-
Drawing 2024 to a close, and welcoming in 2025 …
Journal article
Wheeler PC. et al, (2024), British Journal of Sports Medicine, 58, 1473 - 1474
-
Development of methodology to support molecular endotype discovery from synovial fluid of individuals with knee osteoarthritis: The STEpUP OA consortium.
Journal article
Deng Y. et al, (2024), PLoS One, 19
-
Effects of high-dairy versus low-dairy, high-protein and low-calorie diets combined with aerobic exercise on central body fat in overweight women: A pragmatic randomized controlled trial
Journal article
Bodaghabadi Z. et al, (2023), Obesity Medicine, 40, 100492 - 100492
-
Using Randomized Controlled Trials in the Sports Medicine and Performance Environment: Is It Time to Reconsider and Think Outside the Methodological Box?
Journal article
Bullock GS. et al, (2023), J Orthop Sports Phys Ther, 53, 331 - 334
-
Lifetime risk and genetic predisposition to post-traumatic OA of the knee in the UK Biobank.
Journal article
Hollis B. et al, (2023), Osteoarthritis Cartilage
-
The Trade Secret Taboo: Open Science Methods are Required to Improve Prediction Models in Sports Medicine and Performance.
Journal article
Bullock GS. et al, (2023), Sports Med
-
Athlete's foot and associated risk factors: a cross-sectional mixed-methods study.
Journal article
Aliuddin F. et al, (2023), BMJ Mil Health
-
Up front and open, shrouded in secrecy, or somewhere in between? A Meta Research Systematic Review of Open Science Practices in Sport Medicine Research
Preprint
Bullock GS. et al, (2023)
-
Acetabular Dysplasia Is A Risk Factor For Developing Radiographic Hip Osteoarthritis; Data From The World Coach Consortium
Journal article
Riedstra NS. et al, (2023), Osteoarthritis and Cartilage, 31, S248 - S249
-
Lifetime Risk And Genetic Predisposition To Post-Traumatic Osteoarthritis Of The Knee: Time-To-Event And Related Analyses In The Uk Biobank
Journal article
Hollis B. et al, (2023), Osteoarthritis and Cartilage, 31, S63 - S64
-
Pincer Morphology Is A Risk Factor For Developing Radiographic Hip Osteoarthritis; Data From The World Coach Consortium
Journal article
Riedstra NS. et al, (2023), Osteoarthritis and Cartilage, 31, S249 - S250
-
Supportive Evidence For The Potential For Novel Biodiscovery In Osteoarthritis Through The Stepup Oa Consortium
Journal article
Perry TA. et al, (2023), Osteoarthritis and Cartilage, 31, S353 - S354
-
The association between statistical shape variations of the hip and the development of radiographic hip osteoarthritis within 8 years of follow-up: data from 17,738 hips in the world coach consortium.
Journal article
van Buuren MM. et al, (2023), Osteoarthritis and Cartilage, 31, S36 - S38
-
Elbow Injuries Among MLB Pitchers Increased During Covid-19 Disrupted Season, But Not Other Baseball Injuries.
Journal article
Martin C. et al, (2023), Int J Sports Phys Ther, 18, 397 - 408
-
Response to Comment on: “Black Box Prediction Methods in Sports Medicine Deserve a Red Card for Reckless Practice: A Change of Tactics is Needed to Advance Athlete Care”
Journal article
Bullock GS. et al, (2023), Sports Medicine, 53, 297 - 299
-
Use of the behaviour change wheel to improve everyday person-centred conversations on physical activity across healthcare
Journal article
Reid H. et al, (2022), BMC Public Health, 22