F. De Keyser

Publication List Details

Period

2000 - 2007

Number

67

Co-Authors

A prospective randomised multicentre study comparing continuous and intermittent treatment with celecoxib in patients with osteoarthritis of the knee or hip (2007)

Luyten, F. P., GEUSENS, Piet, Malaise, M., De Clerck, L., Westhovens, R., Raeman, F., ...

Objective: To compare the effects of continuous and intermittent celecoxib treatment in patients with knee or hip osteoarthritis in flare. Methods: In this 24-week, prospective, randomised,...

A prospective randomised multicentre study comparing continuous and intermittent treatment with celecoxib in patients with osteoarthritis of the knee or hip (2007)

Luyten, F. P., GEUSENS, Piet, Malaise, M., De Clerck, L., Westhovens, R., Raeman, F., ...

Objective: To compare the effects of continuous and intermittent celecoxib treatment in patients with knee or hip osteoarthritis in flare. Methods: In this 24-week, prospective, randomised,...

DAS28 best reflects the physician's clinical judgment of response to infliximab therapy in rheumatoid arthritis patients: validation of the DAS28 score in patients under infliximab treatment (2005)

Cruyssen, B, Van Looy, S, Wyns, B, Westhovens, R, Durez, P, Malaise, M, ...

This study is based on an expanded access program in which 511 patients suffering from active refractory rheumatoid arthritis (RA) were treated with intravenous infusions of infliximab (3 mg/kg+...

Synovial histopathology of psoriatic arthritis, both oligo- and polyarticular, resembles spondyloarthropathy more than it does rheumatoid arthritis (2005)

Kruithof, E, Baeten, D, De Rycke, L, Vandooren, B, Foell, D, Roth, J, ...

At present only few biological data are available to indicate whether psoriatic arthritis (PsA) is part of the spondyloarthropathy (SpA) concept, whether it is a separate disease entity or a...

Infiltration of the synovial membrane with macrophage subsets and polymorphonuclear cells reflects global disease activity in spondyloarthropathy (2005)

Baeten, D, Kruithof, E, De Rycke, L, Boots, A, Mielants, H, Veys, E, ...

Considering the relation between synovial inflammation and global disease activity in rheumatoid arthritis (RA) and the distinct but heterogeneous histology of spondyloarthropathy (SpA) synovitis,...

The lunar achilles as a screening tool for osteoporosis: Comparison with spine DXA (2004)

Poriau, S, De Keyser, F, GEUSENS, Piet

Locomotorisch Centrum, Sijsele Damme, Belgium. Inst Biomed Res, Diepenbeek, Belgium. Univ Hosp, Maastricht, Netherlands.

The lunar achilles as a screening tool for osteoporosis: Comparison with spine DXA (2004)

Poriau, S, De Keyser, F, GEUSENS, Piet

Locomotorisch Centrum, Sijsele Damme, Belgium. Inst Biomed Res, Diepenbeek, Belgium. Univ Hosp, Maastricht, Netherlands.

Dynamic T cell receptor clonotype changes in synovial tissue of patients with early rheumatoid arthritis: Effects of treatment with cyclosporin A (Neoral (R)) (2002)

Vanderborght, A, De Keyser, F, De Backer, M, Malaise, M, Baeten, D, ...

Objective. To study T cell receptor (TCR) repertoire changes in synovial membrane over a 16 week period in patients with early rheumatoid arthritis (RA); and to study the influence of cyclosporin A...

Dynamic T cell receptor clonotype changes in synovial tissue of patients with early rheumatoid arthritis: Effects of treatment with cyclosporin A (Neoral (R)) (2002)

Vanderborght, A, De Keyser, F, De Backer, M, Malaise, M, Baeten, D, ...

Objective. To study T cell receptor (TCR) repertoire changes in synovial membrane over a 16 week period in patients with early rheumatoid arthritis (RA); and to study the influence of cyclosporin A...

A comparative phenotypical analysis of rheumatoid nodules and rheumatoid synovium with special reference to adhesion molecules and activation markers

Elewaut, D., De Keyser, F., De Wever, N., Baeten, D., Van Damme, N., Verbruggen, G., ...

OBJECTIVES—(1)To analyse the in situ expression of adhesion molecules in rheumatoid nodules. (2) To compare the endothelial expression of adhesion molecules in synovial tissue and subcutaneous...

Anti-perinuclear factor compared with the so called "antikeratin" antibodies and antibodies to human epidermis filaggrin, in the diagnosis of arthritides

Vincent, C., De Keyser, F., Masson-Bessiere, C., Sebbag, M., Veys, E., Serre, G.

OBJECTIVE—Antiperinuclear factor (APF), "antikeratin antibodies" ("AKA"), and antibodies to human epidermis filaggrin (AFA), are highly specific serological markers of rheumatoid arthritis (RA),...

Comparative study of the synovial histology in rheumatoid arthritis, spondyloarthropathy, and osteoarthritis: influence of disease duration and activity

Baeten, D, Demetter, P, Cuvelier, C, Kruithof, E, Van Damme, N, ...

OBJECTIVES—To compare the macroscopic and microscopic characteristics of synovial tissue in rheumatoid arthritis (RA), spondyloarthropathy (SpA), and osteoarthritis (OA) after exclusion of possible...

Subclinical gut inflammation in spondyloarthropathy patients is associated with upregulation of the E-cadherin/catenin complex

Demetter, P, Baeten, D, De Keyser, F, De Vos, M, Van Damme, N, Verbruggen, G, ...

OBJECTIVE—Previously an upregulation of E-cadherin and its associated molecules α-catenin, β-catenin and plakoglobin has been demonstrated in clinically overt inflammatory bowel disease (IBD)....

Effects of a loading dose regimen of three infusions of chimeric monoclonal antibody to tumour necrosis factor α (infliximab) in spondyloarthropathy: an open pilot study

Kruithof, E., Baeten, D., De Keyser, F., Mielants, H., Veys, E.

OBJECTIVE—To evaluate the efficacy and safety of a loading dose regimen of three intravenous infusions with infliximab in patients with active spondyloarthropathy.
METHODS—A monocentre,...

Detection and identification of antinuclear antibodies (ANA) in a large and consecutive cohort of serum samples referred for ANA testing

Peene, I, Meheus, L, Veys, E, De Keyser, F

OBJECTIVE—To provide data on (a) the probability of detecting antinuclear antibodies (ANA) in a large and consecutive cohort of serum samples referred for ANA testing and (b) the probability of...

Flow cytometric analysis of gut mucosal lymphocytes supports an impaired Th1 cytokine profile in spondyloarthropathy

Van Damme, N, De Vos, M, Baeten, D, Demetter, P, Mielants, H, Verbruggen, G, ...

OBJECTIVE—To quantify the fraction of gut mucosal lymphocytes expressing the T helper type 1 (Th1) cytokines, interferon γ (IFNγ) and interleukin (IL)2, and the Th2 cytokines, IL4 and IL10, at...

Impaired Th1 cytokine production in spondyloarthropathy is restored by anti-TNFα

Baeten, D, Van Damme, N, Kruithof, E, De Vos, M, Mielants, H, ...

OBJECTIVES—To evaluate the effect of anti-TNFα on the Th1 and Th2 cytokines in patients with spondyloarthropathy (SpA).
METHODS—Peripheral blood mononuclear cells (PBMC) were obtained from...

Anti-Ro52 reactivity is an independent and additional serum marker in connective tissue disease

Peene, I, Meheus, L, De Keyser, S, Humbel, R, Veys, E, De Keyser, F

Methods: Over a two year period, 1727 consecutive antinuclear antibody (ANA) positive serum samples were analysed in parallel by double immunodiffusion with thymus/spleen nuclear extract and by line...

Repeated infusions of infliximab, a chimeric anti-TNFα monoclonal antibody, in patients with active spondyloarthropathy: one year follow up

Kruithof, E, Baeten, D, Herssens, A, De Keyser, F, Mielants, H, ...

Background: In a pilot study, the anti-tumour necrosis factor α monoclonal antibody, infliximab, induced a rapid and significant improvement in global, peripheral, and axial disease manifestations...

Anti-Saccharomyces cerevisiae IgA antibodies are raised in ankylosing spondylitis and undifferentiated spondyloarthropathy

Hoffman, I, Demetter, P, Peeters, M, De Vos, M, Mielants, H, Veys, E, ...

Objectives: To investigate whether anti-Saccharomyces cerevisiae antibodies (ASCA), a marker for Crohn's disease (CD), are present in spondyloarthropathies (SpA) and in the subgroups ankylosing...

Systematic safety follow up in a cohort of 107 patients with spondyloarthropathy treated with infliximab: a new perspective on the role of host defence in the pathogenesis of the disease?

Baeten, D, Kruithof, E, Herssens, A, Mielants, H, ...

Background: Recent studies with infliximab indicate the therapeutic potential of tumour necrosis factor α blockade in spondyloarthropathy (SpA). Because defective host defence is implicated in the...

Tumour necrosis factor α independent disease mechanisms in rheumatoid arthritis: a histopathological study on the effect of infliximab on rheumatoid nodules

Baeten, D, De Keyser, F, Veys, E, Theate, Y, Houssiau, F, Durez, P

Background: It has been suggested that the immunopathology of rheumatoid nodules parallels that of inflamed synovium in rheumatoid arthritis (RA).

Technical validation of cDNA based microarray as screening technique to identify candidate genes in synovial tissue biopsy specimens from patients with spondyloarthropathy

Rihl, M, Baeten, D, Seta, N, Gu, J, De Keyser, F, Veys, E, ...

Objectives: To validate the use of cDNA based microarray on synovial biopsies by analysing the experimental variability due to amplification of RNA, reproducibility of the assay, heterogeneity of the...

CARD15 polymorphisms are associated with anti-Saccharomyces cerevisiae antibodies in caucasian Crohn's disease patients

Cruyssen, B Vander, Peeters, H, Hoffman, I E A, Laukens, D, Coucke, P, Marichal, D, ...

Carriage of CARD15 gene polymorphisms and the serological marker anti-Saccharomyces cerevisiae antibodies (ASCA) are two markers for Crohn's disease (CD). Similar phenotypes have been associated with...

The proportion of Th1 cells, which prevail in gut mucosa, is decreased in inflammatory bowel syndrome

Van Damme, N, De Keyser, F, Demetter, P, Baeten, D, Mielants, H, Verbruggen, G, ...

T lymphocytes and their cytokines have an important role in the regulation of immune responses in the gut and in the pathogenesis of intestinal inflammation such as in Crohn's disease. The aim of...

Specific antinuclear antibodies are associated with clinical features in systemic lupus erythematosus

Hoffman, I, Peene, I, Meheus, L, Huizinga, T, Cebecauer, L, Isenberg, D, ...

Methods: A consecutive cohort of 289 patients with SLE was included; 235 fulfilled ACR criteria for SLE and were further analysed. ANA profiles were determined by line immunoassay and by indirect...

Radiological sacroiliitis, a hallmark of spondylitis, is linked with CARD15 gene polymorphisms in patients with Crohn's disease

Peeters, H, Vander, C, Laukens, D, Coucke, P, Marichal, D, ...

Background: Sacroiliitis is a common extraintestinal manifestation of Crohn's disease but its association with the HLA-B27 phenotype is less evident. Polymorphisms in the CARD15 gene have been linked...

Rheumatoid factor and anticitrullinated protein antibodies in rheumatoid arthritis: diagnostic value, associations with radiological progression rate, and extra-articular manifestations

De Rycke, L, Peene, I, Hoffman, I, Kruithof, E, Union, A, Meheus, L, ...

Background: Autoantibodies such as rheumatoid factor (RF) and anticitrullinated protein antibodies can be detected in rheumatoid arthritis (RA) sera.

Colon mucosa of patients both with spondyloarthritis and Crohn's disease is enriched with macrophages expressing the scavenger receptor CD163

Demetter, P, De Vos, M, Van Huysse, J A, Baeten, D, Ferdinande, L, Peeters, H, ...

Objective: To investigate macrophages and other antigen presenting cells in gut mucosa from patients with SpA and Crohn's disease, given the relationship between both entities.

Rheumatoid factor, but not anti-cyclic citrullinated peptide antibodies, is modulated by infliximab treatment in rheumatoid arthritis

De Rycke, L, Verhelst, X, Kruithof, E, Hoffman, I, Veys, E, ...

Patients and methods: 62 patients with refractory RA were treated with infliximab combined with methotrexate. At baseline and week 30, serum samples were tested for IgM RF by two agglutination...

Histological evidence that infliximab treatment leads to downregulation of inflammation and tissue remodelling of the synovial membrane in spondyloarthropathy

Kruithof, E, Baeten, D, Mielants, H, Veys, E, De Keyser, F

Objective: To confirm and extend the immunopathological evidence of effects of infliximab on the synovium in active spondyloarthropathy.

CARD15 gene polymorphisms in patients with spondyloarthropathies identify a specific phenotype previously related to Crohn's disease

Laukens, D, Peeters, H, Marichal, D, Vander, C, Mielants, H, Elewaut, D, ...

Background: The association between spondyloarthropathy and Crohn's disease is well known. A risk for evolution to Crohn's disease has already been shown in the subgroup of patients with...