Table of contents

Clinical and epidemiological research

• Extended report: Evaluating relationships between symptom duration and persistence of rheumatoid arthritis: does a window of opportunity exist? Results on the Leiden Early Arthritis Clinic and ESPOIR cohorts (5 January, 2015) Free

  J A B van Nies, R Tsonaka, C Gaujoux-Viala, B Fautrel, A H M van der Helm-van Mil
• Extended Report: Obesity is associated with a lower probability of achieving sustained minimal disease activity state among patients with psoriatic arthritis (15 January, 2014)

  Lihi Eder, Arane Thavaneswaran, Vinod Chandran, Richard J Cook, Dafna D Gladman
• Extended Report: Humoral immune response to vaccines in patients with rheumatoid arthritis treated with tocilizumab: results of a randomised controlled trial (VISARA) (21 January, 2014)

  Clifton O Bingham, Warren Rizzo, Alan Kivitz, Azra Hassanali, Ruchi Upmanyu, Micki Klearman
• Extended Report: Enthesitis in patients with psoriatic arthritis, axial spondyloarthritis and healthy subjects assessed by ‘head-to-toe’ whole-body MRI and clinical examination (3 January, 2014)

  René Panduro Poggenborg, Iris Eshed, Mikkel Østergaard, Inge Juul Sørensen, Jakob M Møller, Ole Rintek Madsen, Susanne Juhl Pedersen
• Extended Report: Development of a health index in patients with ankylosing spondylitis (ASAS HI): final result of a global initiative based on the ICF guided by ASAS (7 January, 2014)

  U Kiltz, D van der Heijde, A Boonen, A Cieza, G Stucki, M A Khan, W P Maksymowych, H Marzo-Ortega, J Reveille, S Stebbings, C Bostan, J Braun
• Extended Report: Impact of allopurinol on risk of myocardial infarction (6 January, 2014)

  L Grimaldi-Bensouda, A Alpérovitch, E Aubrun, N Danchin, M Rossignol, L Abenhaim, P Richette, the PGRx MI Group
• Extended report: Certolizumab pegol in rheumatoid arthritis patients with low to moderate activity: the CERTAIN double-blind, randomised, placebo-controlled trial (15 January, 2014)

  J S Smolen, P Emery, G F Ferraccioli, W Samborski, F Berenbaum, O R Davies, W Koetse, O Purcaru, B Bennett, H Burkhardt
• Extended Report: Glucosamine and chondroitin for knee osteoarthritis: a double-blind randomised placebo-controlled clinical trial evaluating single and combination regimens (6 January, 2014)

  Marlene Fransen, Maria Agaliotis, Lillias Nairn, Milana Votrubec, Lisa Bridgett, Steve Su, Stephen Jan, Lyn March, John Edmonds, Robyn Norton, Mark Woodward, Richard Day,
• Extended Report: Validation of EULAR primary Sjögren's syndrome disease activity (ESSDAI) and patient indexes (ESSPRI) (17 January, 2014)

  Raphaèle Seror, Elke Theander, Johan G Brun, Manel Ramos-Casals, Valeria Valim, Thomas Dörner, Hendrika Bootsma, Athanasios Tzioufas, Roser Solans-Laqué, Thomas Mandl, Jacques-Eric Gottenberg, Eric Hachulla, Kathy L Sivils, Wan-Fai Ng, Anne-Laure Fauchais, Stefano Bombardieri, Guido Valesini, Elena Bartoloni, Alain Saraux, Matija Tomsic, Takayuki Sumida, Susumu Nishiyama, Roberto Caporali, Aike A Kruize, Cristina Vollenweider, Philippe Ravaud, Claudio Vitali, Xavier Mariette, Simon J Bowman,
• Extended Report: A treat-to-target strategy with methotrexate and intra-articular triamcinolone with or without adalimumab effectively reduces MRI synovitis, osteitis and tenosynovitis and halts structural damage progression in early rheumatoid arthritis: results from the OPERA randomised controlled trial (10 January, 2014)

  Mette Bjørndal Axelsen, Iris Eshed, Kim Hørslev-Petersen, Kristian Stengaard-Pedersen, Merete Lund Hetland, Jakob Møller, Peter Junker, Jan Pødenphant, Annette Schlemmer, Torkell Ellingsen, Palle Ahlquist, Hanne Lindegaard, Asta Linauskas, Mette Yde Dam, Ib Hansen, Hans Christian Horn, Christian Gytz Ammitzbøll, Anette Jørgensen, Sophine B Krintel, Johnny Raun, Niels S Krogh, Julia Sidenius Johansen, Mikkel Østergaard, OPERA study group
• Extended Report: Predicting the severity of joint damage in rheumatoid arthritis; the contribution of genetic factors (15 January, 2014)

  Hanna W van Steenbergen, Roula Tsonaka, Tom WJ Huizinga, Saskia le Cessie, Annette HM van der Helm-van Mil
• Extended Report: Evaluating processes underlying the predictive value of baseline erosions for future radiological damage in early rheumatoid arthritis (15 January, 2014)

  Jessica A B van Nies, Hanna W van Steenbergen, Annemarie Krabben, Wouter Stomp, Tom W J Huizinga, Monique Reijnierse, Annette H M van der Helm-van Mil
• Extended Report: Effectiveness of TNF inhibitor switch in RA: results from the national Swedish register (15 January, 2014)

  Katerina Chatzidionysiou, Johan Askling, Jonas Eriksson, Lars Erik Kristensen, Ronald van Vollenhoven, for the ARTIS group
• Extended Report: The specificity of ultrasound-detected bone erosions for rheumatoid arthritis (20 January, 2014)

  Ahmed S Zayat, Karen Ellegaard, Philip G Conaghan, Lene Terslev, Elizabeth M A Hensor, Jane E Freeston, Paul Emery, Richard J Wakefield
• Concise report: Recent infections are associated with decreased risk of rheumatoid arthritis: a population-based case-control study (5 February, 2015)

  Maria E C Sandberg, Camilla Bengtsson, Lars Klareskog, Lars Alfredsson, Saedis Saevarsdottir
• Concise report: Urate crystal deposition in asymptomatic hyperuricaemia and symptomatic gout: a dual energy CT study (30 January, 2015)

  Nicola Dalbeth, Meaghan E House, Opetaia Aati, Paul Tan, Christopher Franklin, Anne Horne, Gregory D Gamble, Lisa K Stamp, Anthony J Doyle, Fiona M McQueen