arthritis psoriatica
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Man and woman older than 18 year en younger than 75 year 2. Diagnosis of Psoriatic arthritis with involvement of the peripheral joints 3. Failure on etanercept therapy as measured by PASI and DAS 4. Indication for treatment with etanercept according to the LABAG guidelines 5. Active disease despite treatment with methotrexate and etanercept, MTX >_ 15 mg/wk in a stable dosis during 3 months; still active skin lesions despite MTX and etanercept treatment 5. Corticosteroids (max 10 mg/day) en NSAID*s stable dose. 6. Signed informed consent.
Exclusion criteria
Exclusion criteria: 1. Rheumatoid arthritis and/or other autoimmune diseases 2. Pregnancy / breastfeeding. 3. TBC/ hepatitis b or c or other chronic infections. 4. Contraindications for TNF-alpha like a malignancy or a chronic demyelinating disease. 5. No participation in another study. 6. No PUVA or vitamine D treatment during 1 month before and during the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Primary 1. Amount of apoptotic cells 2. Evaluation of cellular infiltrates | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary 1. Clinical improvement; DAS response criteria, PASI skin score. | — |
Countries
Netherlands