Johanna Callhoff

Ustekinumab for the treatment of patients with active ankylosing spondylitis: results of a 28-week, prospective, open-label, proof-of-concept study (TOPAS)

Denis Poddubnyy, Kay‐Geert Hermann, Johanna Callhoff et al. · Annals of the Rheumatic Diseases · 2014 · 255 citations

Effect of continuous versus on-demand treatment of ankylosing spondylitis with diclofenac over 2 years on radiographic progression of the spine: results from a randomised multicentre trial (ENRADAS)

Joachim Sieper, Joachim Listing, Denis Poddubnyy et al. · Annals of the Rheumatic Diseases · 2015 · 223 citations · Full text

Which spinal lesions are associated with new bone formation in patients with ankylosing spondylitis treated with anti-TNF agents? A long-term observational study using MRI and conventional radiography

Xenofon Baraliakos, F. Heldmann, Johanna Callhoff et al. · Annals of the Rheumatic Diseases · 2013 · 192 citations · Full text

Determinants of diagnostic delay in axial spondyloarthritis: an analysis based on linked claims and patient-reported survey data

Imke Redeker, Johanna Callhoff, Falk Hoffmann et al. · Lara D. Veeken · 2019 · 143 citations

Comorbidities in Patients with Rheumatoid Arthritis and Their Association with Patient-reported Outcomes: Results of Claims Data Linked to Questionnaire Survey

Andres Luque Ramos, Imke Redeker, Falk Hoffmann et al. · The Journal of Rheumatology · 2019 · 110 citations · Full text