Filip De Keyser

Validation of a manual ability questionnaire in patients with systemic sclerosis (2009)

Smith, Vanessa, Arat, Seher, De Keyser, Filip, Houssiau, Frédéric A, ...

OBJECTIVE: To adapt and validate a manual ability questionnaire, the ABILHAND, developed through the Rasch methodology in patients with systemic sclerosis (SSc). METHODS: The original version of the...

Clinical Observations programme in SpA: disease parameters, treatment options and practical management issues (2009)

Elewaut, Dirk, VAN DEN BOSCH, FILIP, Verbruggen, August, De Keyser, Filip, Vander Cruyssen, Bert, Mielants, Herman

Spondyloarthritides (SpAs) are a cluster of chronic inflammatory rheumatic diseases that typically involve inflammation of axial and peripheral joint or tendon and ligament insertions, distinct...

Juvenile-onset systemic lupus erythematosus: different clinical and serological pattern than adult-onset systemic lupus erythematosus (2009)

Hoffman, IEA, Lauwerys, BR, De Keyser, Filip, Huizinga, TWJ, Isenberg, D, Cebecauer, L, ...

Objective: To investigate differences in clinical signs and symptoms, and in antinuclear antibodies ( ANA), between patients with juvenile-onset and adult-onset systemic lupus erythematosus (SLE)....

Reversible changes in serum immunoglobulin galactosylation during the immune response and treatment of inflammatory autoimmune arthritis (2009)

Van Beneden, Katrien, Coppieters, Ken, Laroy, W, De Keyser, Filip, Hoffman, Ilse, VAN DEN BOSCH, FILIP, ...

Objectives: Improved DNA sequencer-aided fluorophore-assisted carbohydrate electrophoresis (DSA-FACE) technology was used to monitor the changes in the galactosylation status of serum immunoglobulins...

Validation of a manual ability questionnaire in patients with systemic sclerosis (2009)

Vanthuyne, Marie, Smith, Vanessa, Arat, Seher, Westhovens, Rene, De Keyser, Filip, Houssiau, Frederic, ...

Objective. To adapt and validate a manual ability questionnaire, the ABILHAND, developed through the Rasch methodology in patients with systemic sclerosis (SSc). Methods. The original version of the...

Melanoma inhibitory activity, a biomarker related to chondrocyte anabolism, is reversibly suppressed by proinflammatory cytokines in rheumatoid arthritis (2009)

VANDOOREN, BERNARD, Cantaert, Tineke, Van Lierop, MJ, Bos, E, De Rycke, Leen, Veys, Eric, ...

Objective: In mice, melanoma inhibitory activity (MIA) is a chondrocyte-specific molecule with similar regulation to collagen type II. As MIA is a small secreted protein, its value as cartilage...

Classification models for disease: the effect of associations between markers on calculating the risk for disease by likelihood ratio products (2009)

Wittoek, Ruth, De Keyser, Filip, Boonen, A, De Vlam, Kurt, Vastesaeger, Nathan, Mielants, Herman, ...

The risk, for disease or a bad prognosis cart be calculated by means of prediction or classification models that take into account multiple variables. Different methods exist to construct such...

Melanoma Inhibitory Activity, a biomarker related to chondrocyte anabolism, is reversibly suppressed by proinflammatory cytokines in rheumatoid arthritis (2008)

Cantaert, Tineke, Van Lierop, Marie-José, Bos, Ebo, De Rycke, Leen, Veys, Eric M, ...

OBJECTIVE: In mice, melanoma inhibitory activity (MIA) is a chondrocyte-specific molecule with a similar regulation as collagen type II. As MIA is a small secreted protein, we assessed its value as...

Over-representation of construction-related occupations in male patients with systemic sclerosis (2008)

Smith, Vanessa, Vanthuyne, M., Vander Cruyssen, Bert, Van Praet, Jens, Vermeiren, F., Smets, H., ...

Aims: Based on preliminary observations, we tested the hypothesis that construction-related occupations are associated with systemic sclerosis (SSc). Methods: The professional occupation of 91...

CARD15 variants determine an early disturbed response of monocytes to Adherent-invasive Escherichia coli strain LF82 in Crohn’s Disease (2007)

PEETERS, HARALD, Bogaert, Sara, Laukens, Debby, Rottiers, Pieter, De Keyser, Filip, Darfeuille-Michaud, A, ...

Caspase activation and recruitment domain 15 (CARD15) and Toll-like receptor 4 (TLR4) are respectively intracellular and membrane-bound receptors for bacterial cell wall components [respectively...

Prediction of dose escalation for rheumatoid arthritis patients under infliximab treatment (2006)

Cruyssen, Bert Vander, Meeus, Jeroen, Wyns, Bart, Durez, Patrick, ...

Rheumatoid arthritis (RA) is a chronic inflammatory joint disease that leads to irreversible joint destruction. To prevent this, new biological therapies, such as infliximab, have been successfully...

Four-year follow-up of infliximab therapy in rheumatoid arthritis patients with long-standing refractory disease: attrition and long-term evolution of disease activity (2006)

Van Looy, Stijn, Wyns, Bart, Durez, Patrick, Van Den Bosch, Filip, ...

Although there is strong evidence supporting the short-term efficacy and safety of anti-tumour necrosis factor-alpha agents, few studies have examined the long-term effects. We evaluated 511 patients...

Diagnostic value of anti-human citrullinated fibrinogen ELISA and comparison with four other anti-citrullinated protein assays (2006)

Vander Cruyssen, Bert, Cantaert, Tineke, Nogueira, Leonor, Clavel, Cyril, De Rycke, Leen, Dendoven, Amélie, ...

Abstract We studied the diagnostic performance of the anti-human citrullinated fibrinogen antibody (AhFibA) ELISA for rheumatoid arthritis (RA) in a consecutive cohort (population 1) and evaluated...

Four-year follow-up of infliximab therapy in rheumatoid arthritis patients with long-standing refractory disease: attrition and long-term evolution of disease activity (2006)

Cruyssen, Bert, Van Looy, Stijn, Wyns, Bart, Westhovens, Rene, Durez, Patrick, Van Den Bosch, Filip, ...

Abstract Although there is strong evidence supporting the short-term efficacy and safety of anti-tumour necrosis factor-α agents, few studies have examined the long-term effects. We evaluated 511...

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)

Van Looy, Stijn, Wyns, Bart, Durez, Patrick, Van Den Bosch, Filip, ...

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...

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)

Vander Cruyssen, Bert, Van Looy, Stijn, Wyns, Bart, Westhovens, Rene, Durez, Patrick, Van Den Bosch, Filip, ...

Abstract 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...

Tumor necrosis factor-α blockade in ankylosing spondylitis: a potent but expensive anti-inflammatory treatment or true disease modification? (2005)

Van Den Bosch, Filip, De Keyser, Filip, Mielants, Herman, Veys, Eric M

Abstract Blocking tumor necrosis factor-α either with monoclonal antibodies or with soluble receptor constructs has been proven to be effective with an acceptable safety profile in patients with...

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

Kruithof, Elli, Baeten, Dominique, De Rycke, Leen, Vandooren, Bernard, Foell, Dirk, Roth, Johannes, ...

Abstract 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, Dominique, Kruithof, Elli, De Rycke, Leen, Boots, Anemieke M, Mielants, Herman, Veys, Eric M, ...

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

CARD15 polymorphisms are associated with anti-Saccharomyces Cerevisiae antibodies in Caucasian Crohn’s disease patients (2005)

Vander Cruyssen, Bert, PEETERS, HARALD, Hoffman, IEA, Laukens, Debby, Coucke, Paul, Marichal, Denis, ...

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...

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

Baeten, Dominique, Kruithof, Elli, De Rycke, Leen, Boots, Anemieke M, Mielants, Herman, Veys, Eric M, ...

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

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

Kruithof, Elli, Baeten, Dominique, De Rycke, Leen, Vandooren, Bernard, Foell, Dirk, Roth, Johannes, ...

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...

Tumor necrosis factor-α blockade in ankylosing spondylitis: a potent but expensive anti-inflammatory treatment or true disease modification?

Van Den Bosch, Filip, De Keyser, Filip, Mielants, Herman, Veys, Eric M

Blocking tumor necrosis factor-α either with monoclonal antibodies or with soluble receptor constructs has been proven to be effective with an acceptable safety profile in patients with rheumatoid...

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

Vander Cruyssen, Bert, Van Looy, Stijn, Wyns, Bart, Westhovens, Rene, Durez, Patrick, Van Den Bosch, Filip, ...

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...

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

Baeten, Dominique, Kruithof, Elli, De Rycke, Leen, Boots, Anemieke M, Mielants, Herman, Veys, Eric M, ...

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

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

Kruithof, Elli, Baeten, Dominique, De Rycke, Leen, Vandooren, Bernard, Foell, Dirk, Roth, Johannes, ...

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...

Tumor necrosis factor-α blockade in ankylosing spondylitis: a potent but expensive anti-inflammatory treatment or true disease modification?

Van Den Bosch, Filip, De Keyser, Filip, Mielants, Herman, Veys, Eric M

Blocking tumor necrosis factor-α either with monoclonal antibodies or with soluble receptor constructs has been proven to be effective with an acceptable safety profile in patients with rheumatoid...

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

Vander Cruyssen, Bert, Van Looy, Stijn, Wyns, Bart, Westhovens, Rene, Durez, Patrick, Van Den Bosch, Filip, ...

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...

Diagnostic value of anti-human citrullinated fibrinogen ELISA and comparison with four other anti-citrullinated protein assays

Vander Cruyssen, Bert, Cantaert, Tineke, Nogueira, Leonor, Clavel, Cyril, De Rycke, Leen, Dendoven, Amélie, ...

We studied the diagnostic performance of the anti-human citrullinated fibrinogen antibody (AhFibA) ELISA for rheumatoid arthritis (RA) in a consecutive cohort (population 1) and evaluated the...

Four-year follow-up of infliximab therapy in rheumatoid arthritis patients with long-standing refractory disease: attrition and long-term evolution of disease activity

Cruyssen, Bert Vander, Van Looy, Stijn, Wyns, Bart, Westhovens, Rene, Durez, Patrick, Van Den Bosch, Filip, ...

Although there is strong evidence supporting the short-term efficacy and safety of anti-tumour necrosis factor-α agents, few studies have examined the long-term effects. We evaluated 511 patients...