F. Heldmann

Efficacy of adalimumab in the treatment of axial spondylarthritis without radiographically defined sacroiliitis: Results of a twelve‐week randomized, double‐blind, placebo‐controlled trial followed by an open‐label extension up to week fifty‐two

Hildrun Haibel, Martín Rudwaleit, Joachim Listing et al. · Arthritis & Rheumatism · 2008 · 313 citations

Different response to rituximab in tumor necrosis factor blocker–naive patients with active ankylosing spondylitis and in patients in whom tumor necrosis factor blockers have failed: A twenty‐four–week clinical trial

I.‐H. Song, F. Heldmann, Martín Rudwaleit et al. · Arthritis & Rheumatism · 2010 · 197 citations

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

Treatment of active ankylosing spondylitis with abatacept: an open-label, 24-week pilot study

I-H Song, F. Heldmann, Martín Rudwaleit et al. · Annals of the Rheumatic Diseases · 2011 · 164 citations

High prevalence of anti-CD74 antibodies specific for the HLA class II-associated invariant chain peptide (CLIP) in patients with axial spondyloarthritis

Xenofon Baraliakos, N.T. Baerlecken, Torsten Witte et al. · Annals of the Rheumatic Diseases · 2013 · 80 citations