Table of contents

Clinical and epidemiological research

• Extended report: A randomised, double-blind, multicentre, parallel-group, prospective study comparing the pharmacokinetics, safety, and efficacy of CT-P13 and innovator infliximab in patients with ankylosing spondylitis: the PLANETAS study (16 May, 2013)

  Won Park, Pawel Hrycaj, Slawomir Jeka, Volodymyr Kovalenko, Grygorii Lysenko, Pedro Miranda, Helena Mikazane, Sergio Gutierrez-Ureña, MieJin Lim, Yeon-Ah Lee, Sang Joon Lee, HoUng Kim, Dae Hyun Yoo, Jürgen Braun
• Extended report: A randomised, double-blind, parallel-group study to demonstrate equivalence in efficacy and safety of CT-P13 compared with innovator infliximab when coadministered with methotrexate in patients with active rheumatoid arthritis: the PLANETRA study (16 May, 2013)

  Dae Hyun Yoo, Pawel Hrycaj, Pedro Miranda, Edgar Ramiterre, Mariusz Piotrowski, Sergii Shevchuk, Volodymyr Kovalenko, Nenad Prodanovic, Mauricio Abello-Banfi, Sergio Gutierrez-Ureña, Luis Morales-Olazabal, Michael Tee, Renato Jimenez, Omid Zamani, Sang Joon Lee, HoUng Kim, Won Park, Ulf Müller-Ladner
• Extended report: Comparison of two referral strategies for diagnosis of axial spondyloarthritis: the Recognising and Diagnosing Ankylosing Spondylitis Reliably (RADAR) study (13 October, 2012)

  Joachim Sieper, Shankar Srinivasan, Omid Zamani, Herman Mielants, Denis Choquette, Karel Pavelka, Anne Gitte Loft, Pál Géher, Debashish Danda, Tatiana Reitblat, Fabrizio Cantini, Codrina Ancuta, Shandor Erdes, Helena Raffayová, Andrew Keat, J S H Gaston, Sonja Praprotnik, Nathan Vastesaeger
• Extended report: Disease activity assessment in childhood vasculitis: development and preliminary validation of the Paediatric Vasculitis Activity Score (PVAS) (25 October, 2012)

  Pavla Dolezalova, Fiona E Price-Kuehne, Seza Özen, Susanne M Benseler, David A Cabral, Jordi Anton, Jürgen Brunner, Rolando Cimaz, Katheleen M O'Neil, Carol A Wallace, Nicholas Wilkinson, Despina Eleftheriou, Erkan Demirkaya, Marek Böhm, Petra Krol, Raashid A Luqmani, Paul A Brogan
• Extended report: Sustained efficacy of the monoclonal anti-interleukin-1 beta antibody canakinumab in a 9-month trial in Schnitzler's syndrome (19 October, 2012)

  Heleen D de Koning, Joost Schalkwijk, Johanna van der Ven-Jongekrijg, Monique Stoffels, Jos W M van der Meer, Anna Simon
• Extended report: IFNα and its response proteins, IP-10 and SIGLEC-1, are biomarkers of disease activity in systemic lupus erythematosus (31 October, 2012)

  Thomas Rose, Andreas Grützkau, Heike Hirseland, Dörte Huscher, Cornelia Dähnrich, Andrzej Dzionek, Tobias Ozimkowski, Wolfgang Schlumberger, Philipp Enghard, Andreas Radbruch, Gabriela Riemekasten, Gerd-Rüdiger Burmester, Falk Hiepe, Robert Biesen
• Extended report: ASAS modification of the Berlin algorithm for diagnosing axial spondyloarthritis: results from the SPondyloArthritis Caught Early (SPACE)-cohort and from the Assessment of SpondyloArthritis international Society (ASAS)-cohort (8 November, 2012)

  Rosaline van den Berg, Manouk de Hooge, Martin Rudwaleit, Joachim Sieper, Floris van Gaalen, Monique Reijnierse, Robert Landewé, Tom Huizinga, Désirée van der Heijde
• Extended report: Smoking and overweight determine the likelihood of developing rheumatoid arthritis (27 October, 2012)

  Maria J H de Hair, Robert B M Landewé, Marleen G H van de Sande, Dirkjan van Schaardenburg, Lisa G M van Baarsen, Danielle M Gerlag, Paul P Tak
• Extended report: Response to glucocorticoids at 2 weeks predicts the effectiveness of DMARD induction therapy at 3 months: post hoc analyses from the tREACH study (31 October, 2012)

  Pascal Hendrik Pieter de Jong, Rogier A Quax, Margriet Huisman, A H Gerards, Richard A Feelders, Peter B de Sonnaville, Jolanda J Luime, Angelique E Weel, J M Hazes
• Extended report: Healthcare service utilisation costs are reduced when rheumatoid arthritis patients achieve sustained remission (1 November, 2012)

  Cheryl Barnabe, Nguyen Xuan Thanh, Arto Ohinmaa, Joanne Homik, Susan G Barr, Liam Martin, Walter P Maksymowych
• Extended report: Metabolic health in families enriched for longevity is associated with low prevalence of hand osteoarthritis and influences OA biomarker profiles (27 October, 2012)

  Steffan Daniël Bos, Marian Beekman, Andrea B Maier, Morton A Karsdal, Wing-Yee Kwok, Anne Christine Bay-Jensen, Margreet Kloppenburg, P Eline Slagboom, Ingrid Meulenbelt
• Extended report: Long-term work disability in patients with psoriatic arthritis treated with anti-tumour necrosis factor: a population-based regional Swedish cohort study (12 November, 2012)

  Lars Erik Kristensen, Martin Englund, Martin Neovius, Johan Askling, Lennart T H Jacobsson, Ingemar F Petersson
• Extended report: Long-term measurement of anti-adalimumab using pH-shift-anti-idiotype antigen binding test shows predictive value and transient antibody formation (7 January, 2013)

  Pauline A van Schouwenburg, Charlotte L Krieckaert, Theo Rispens, Lucien Aarden, Gerrit Jan Wolbink, Diana Wouters
• Concise report: The genetic contribution to severe post-traumatic osteoarthritis (26 January, 2013)

  Ana M Valdes, Sally A Doherty, Kenneth R Muir, Margaret Wheeler, Rose A Maciewicz, Weiya Zhang, Michael Doherty
• Concise report: The multifaceted clinical presentations and manifestations of Erdheim–Chester disease: comprehensive review of the literature and of 10 new cases (8 February, 2013)

  Giulio Cavalli, Barbara Guglielmi, Alvise Berti, Corrado Campochiaro, Maria Grazia Sabbadini, Lorenzo Dagna
• Concise report: Phosphodiesterase-5 inhibitors for the treatment of secondary Raynaud's phenomenon: systematic review and meta-analysis of randomised trials (20 February, 2013)

  Matthieu Roustit, Sophie Blaise, Yannick Allanore, Patrick H Carpentier, Evren Caglayan, Jean-Luc Cracowski