PsO/PsA transition
Study details
Study purpose: Comparison of immunologic profile (lymph node biopsy, blood sampling and possibly skin or synovium biopsy) between psoriasis and arthritis psoriatica
Symptoms/Diagnose: PsA
Disease phase: Psoriasis and/or psoriatic arthritis
Indication/Medication: Patients with PsO and/or PsA, possibly with indication for starting new biologicals (for second sampling several weeks after starting therapy).
