Publications by authors named "Heikki Relas"

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Interchangeability of patient pain, fatigue and global scores in patients with spondyloarthritis - a registry-based simulation study.
Stylianos Georgiadis, Daniela Di Giuseppe, Almut Scherer, Merete Lund Hetland, Gareth T Jones, Heikki Relas

BMC Rheumatol· July 2025

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The relationship between lifestyle factors and outcome of treatment with TNFα inhibitors in axial spondyloarthritis - results from 14 European countries.
Gareth T Jones, Ovidiu Rotariu, Ross MacDonald, Brigitte Michelsen, Bente Glintborg, Heikki Relas

BMC Rheumatol· July 2025

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Disparities in the organisation of national healthcare systems for treatment of patients with psoriatic arthritis and axial spondyloarthritis across Europe.
Brigitte Michelsen, Mikkel Østergaard, Michael John Nissen, Adrian Ciurea, Burkhard Möller, Heikki Relas

Health Policy· June 2025

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Handling of missing component information for common composite score outcomes used in axial spondyloarthritis research when complete-case analysis is unbiased.
Christos Polysopoulos, Stylianos Georgiadis, Lykke Midtbøll Ørnbjerg, Almut Scherer, Daniela Di Giuseppe, Heikki Relas

BMC Med Res Methodol· February 2025

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Interstitial Lung Disease in Patients With Rheumatoid Arthritis or Psoriatic Arthritis Initiating Biologics and Controls: Data From 5 Nordic Registries.
Sella Aarrestad Provan, Lotta Ljung, Eirik Klami Kristianslund, Brigitte Michelsen, Till Uhlig, Heikki Relas

J Rheumatol· November 2024

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Effectiveness of secukinumab in radiographic and non-radiographic axial spondyloarthritis: a European routine-care observational study.
Sara Nysom Christiansen, Simon Horskjær Rasmussen, Mikkel Ostergaard, Marion Pons, Brigitte Michelsen, Heikki Relas

RMD Open· July 2024

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Sex Differences in the Effectiveness of First-Line Tumor Necrosis Factor Inhibitors in Psoriatic Arthritis: Results From the European Spondyloarthritis Research Collaboration Network.
Pasoon Hellamand, Marleen G H van de Sande, Lykke M Ørnbjerg, Thomas Klausch, Kari K Eklund, Heikki Relas

Arthritis Rheumatol· April 2024

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Patient-Reported Outcomes (PROs) and PRO Remission Rates in 12,262 Biologic-Naïve Patients With Psoriatic Arthritis Treated With Tumor Necrosis Factor Inhibitors in Routine Care.
Lykke M Ørnbjerg, Kathrine Rugbjerg, Stylianos Georgiadis, Simon H Rasmussen, Lennart Jacobsson, Heikki Relas

J Rheumatol· April 2024

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Health-related quality of life and self-reported health status in adolescents with chronic health conditions before transfer of care to adult health care: an international cohort study.
Mira Kallio, Anna Tornivuori, Päivi J Miettinen, Kaija-Leena Kolho, Heikki Relas

BMC Pediatr· March 2024

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One-Third of European Patients With Axial Spondyloarthritis Reach Pain Remission With Routine Care Tumor Necrosis Factor Inhibitor Treatment.
Lykke Midtbøll Ørnbjerg, Kathrine Rugbjerg, Stylianos Georgiadis, Simon Horskjær Rasmussen, Ulf Lindström, Heikki Relas

J Rheumatol· August 2023

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Impact of TNF inhibitor medication on working ability in axial spondyloarthritis: an observational national registry-based cohort study.
Anna-Mari Hokkanen, Kalle Aaltonen, Heikki Relas, Jarno Rutanen, Aulikki Kononoff

Rheumatol Adv Pract· May 2023

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Corrigendum to 'Predictors of ASDAS-CRP inactive disease in axial spondyloarthritis during treatment with TNF-inhibitors: data from the EuroSpA collaboration' [Seminars in Arthritis and Rheumatism 56 (2022) 1-13/152081].
Lykke M Ørnbjerg, Louise Linde, Stylianos Georgiadis, Simon H Rasmussen, Ulf Lindström, Heikki Relas

Semin Arthritis Rheum· February 2023

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Exposure to specific tumour necrosis factor inhibitors and risk of demyelinating and inflammatory neuropathy in cohorts of patients with inflammatory arthritis: a collaborative observational study across five Nordic rheumatology registers.
Benedicte Delcoigne, Tine Iskov Kopp, Elizabeth V Arkema, Karin Hellgren, Sella Aarrestad Provan, Heikki Relas

RMD Open· February 2023

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Do patient-reported measures of disease activity in rheumatoid arthritis vary between countries? Results from a Nordic collaboration.
Bénédicte Delcoigne, Sella Aarrestad Provan, Hilde Berner Hammer, Daniela Di Giuseppe, Thomas Frisell, Heikki Relas

Rheumatology (Oxford)· November 2022

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The impact of a csDMARD in combination with a TNF inhibitor on drug retention and clinical remission in axial spondyloarthritis.
Michael Nissen, Bénédicte Delcoigne, Daniela Di Giuseppe, Lennart Jacobsson, Merete Lund Hetland, Heikki Relas

Rheumatology (Oxford)· November 2022

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Correction to: Do patient-reported measures of disease activity in rheumatoid arthritis vary between countries? Results from a Nordic collaboration.
Bénédicte Delcoigne, Sella Aarrestad Provan, Hilde Berner Hammer, Daniela Di Giuseppe, Thomas Frisell, Heikki Relas

Rheumatology (Oxford)· November 2022

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Predictors of ASDAS-CRP inactive disease in axial spondyloarthritis during treatment with TNF-inhibitors: Data from the EuroSpA collaboration.
Lykke M Ørnbjerg, Louise Linde, Stylianos Georgiadis, Simon H Rasmussen, Ulf Lindström, Heikki Relas

Semin Arthritis Rheum· October 2022

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The occurrence of multiple treatment switches in axial spondyloarthritis. Results from five Nordic rheumatology registries.
Daniela Di Giuseppe, Ulf Lindström, Kalle Aaltonen, Heikki Relas, Sella Provan

Rheumatology (Oxford)· August 2022

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European bio-naïve spondyloarthritis patients initiating TNF inhibitor: time trends in baseline characteristics, treatment retention and response.
Sara Nysom Christiansen, Lykke Midtbøll Ørnbjerg, Simon Horskjær Rasmussen, Anne Gitte Loft, Johan Askling, Heikki Relas

Rheumatology (Oxford)· August 2022

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Short-term, intermediate-term and long-term risks of acute coronary syndrome in cohorts of patients with RA starting biologic DMARDs: results from four Nordic countries.
Benedicte Delcoigne, Lotta Ljung, Sella A Provan, Bente Glintborg, Merete Lund Hetland, Heikki Relas

Ann Rheum Dis· June 2022

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Adalimumab and sulfasalazine in alleviating sacroiliac and aortic inflammation detected in PET/CT in patients with axial spondyloarthritis: PETSPA.
Juha-Pekka Kaijasilta, Anne M Kerola, Riitta Tuompo, Heikki Relas, Antti Loimaala

Immun Inflamm Dis· February 2022

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Patients with psychiatric diagnoses have lower quality of life than other patients with juvenile rheumatic disease: a prospective study.
Silja Kosola, Heikki Relas

Rheumatology (Oxford)· December 2021

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Effectiveness and treatment retention of TNF inhibitors when used as monotherapy versus comedication with csDMARDs in 15 332 patients with psoriatic arthritis. Data from the EuroSpA collaboration.
Ulf Lindström, Daniela Di Giuseppe, Bénédicte Delcoigne, Bente Glintborg, Burkhard Möller, Heikki Relas

Ann Rheum Dis· November 2021

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Cost-effectiveness of abatacept, tocilizumab and TNF-inhibitors compared with rituximab as second-line biologic drug in rheumatoid arthritis.
Saara Huoponen, Kalle J Aaltonen, Jaana Viikinkoski, Jarno Rutanen, Heikki Relas

PLoS One· March 2020

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Granulocyte colony-stimulating factor- and chemotherapy-induced large-vessel vasculitis: six patient cases and a systematic literature review.
Kirsi Taimen, Samu Heino, Ia Kohonen, Heikki Relas, Riikka Huovinen

Rheumatol Adv Pract· February 2020

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