A total of approximately 500 patients with active psoriatic arthritis in an estimated 80 to 100 trial centers are to be enrolled. Selection of centers will be made by the sponsor's medical section. To increase the quality of the data and to reduce distribution of the data collected, centers to be included will be those which can enroll at least 5 patients. Care will be taken to ensure a balanced regional distribution. The proposed observation period for the trial is approx. 52 weeks per patient. Estimated patient enrolment is also 52 weeks. The duration of the follow-up period will be extended from approx. 52 weeks to approx. 100 weeks to gain further information about the long-term use of Otezla®. For this extension of the follow-up period 2 new visits (visits 6 and 7) are proposed.Thus, proposed duration from first patient in (FPI) to last patient out (LPO) is 36 months-
Study Type
OBSERVATIONAL
Enrollment
526
Rheumatology at Struenseehaus
Altona, Hamburg, Germany
Klinikum Stephansplatz
Hamburg, Germany
Percentage of patients with an improvement of ≥ 1 points on the Physician's Global Assessment (PGA) scale on visit 3 compared to baseline on the Physician's Global Assessment scale (PGA; scale from 0-4)
Physician's global assessment (PGA) will be measured on a VAS scale ranging from 0 to 4. Primary endpoint is the percentage of patients with an improvement of minimum 1 point on this VAS scale after about 6 months (visit 3)
Time frame: Up to approximately 7 months
Percentage of patients with an improvement of ≥ 1 points on the Patient Global Assessment (PaGA) scale on visits 1 to 7 compared to baseline
Patient Global Assessment will be measured on a VAS scale ranging from 0 to 5. The percentage of patients with an improvement of minimum 1 point will be measured throughout the study.
Time frame: Up to approximately 104 weeks
Percentage of patients with an improvement of ≥ 1 points on the Physician's Global Assessment (PGA) scale on visits 1, 2, 4, 5, 6, 7 compared to baseline
Additionally to the primary endpoint the improvement of the PGA of minimum 1 point will be measured throughout the study.
Time frame: Up to approximately 104 weeks
Efficacy of the treatment with regard to rheumatic changes measured with Tender Joint Count (TJC) on visits 1 to 7 compared to baseline
Tender Joint Count will be measured throughout the study and compared to baseline.
Time frame: Up to approximately 104 weeks
Efficacy of the treatment with regard to rheumatic changes measured with Swollen Joint Count (SJC) on visits 1 to 7 compared to baseline
Swollen Joint Count will be measured throughout the study and compared to baseline.
Time frame: Up to approximately 104 weeks
Efficacy of the treatment with regard to rheumatic changes measured with Visual Analog Scale (VAS) on visits 1 to 7 compared to baseline- Pain
Visual Analog Scale; scale from 0-100 to question how the patient feels subjectively about their pain (0 = no pain, 100 = worst imaginable pain)
Time frame: Up to approximately 104 weeks
Psoriatic arthritis Impact of Disease (PsAID) questionnaire on visits 1, 2, 3, 5 and 7 compared to baseline
Improvement of the Impact of Disease (PsAID) will be measured during visit 1, 2 and 5 and compared to baseline
Time frame: Up to approximately 104 weeks
Hannover Functional Ability Questionnaire (FFbH) on visits 1, 2, 3, 5 and 7 compared to baseline
Composite score to measure functional improvement will be measured during visits 1, 2 and 5 and compared to baseline
Time frame: Up to approximately 104 weeks
Patient Preference Questionnaire (PPQ) on visits 3, 5 and 7
The therapy preference of the patient will be measured compared to his previous systemic therapy
Time frame: Up to approximately 104 weeks
Assessment of psoriatic skin changes (Body Surface Area, BSA) on visits 1 to 7
Extension of the psoriatic plaques will be measured by body surface area (BSA) throughout the study
Time frame: Up to approximately 104 weeks
Adverse Events (AEs)
Number of subjects with adverse events
Time frame: Up to approximately 104 weeks
Efficacy of the treatment with regard to rheumatic changes measured with Visual Analog Scale (VAS) on visits 1 to 7 compared to baseline- Enthesitis
Visual Analog Scale; scale from 0-100 to question how the patient feels subjectively about their enthesitis (0 = no enthesitis, 100 = worst imaginable enthesitis)
Time frame: Up to approximately 104 weeks
Efficacy of the treatment with regard to rheumatic changes measured with Visual Analog Scale (VAS) on visits 1 to 7 compared to baseline- Joints
Visual Analog Scale; scale from 0-100 to question how the patient feels subjectively about their joints (0 = no affected joints, 100 = heavily affected joints)
Time frame: Up to approximately 104 weeks
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