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Modifying PEST for Psoriatic Arthritis Screening

A Multicenter, Prospective, Study to Evaluate the Impact of Modifying the Validated Psoriasis Epidemiology Screening Tool (PEST) on the Potential Diagnosis of Psoriatic Arthritis in Adult Patients With Moderate-to-severe Plaque Psoriasis in Canada ("ScreenX")

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06382051
Acronym
ScreenX
Enrollment
502
Registered
2024-04-24
Start date
2025-01-23
Completion date
2026-12-31
Last updated
2026-09-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Plaque Psoriasis, Psoriatic Arthritis

Keywords

Psoriasis, Psoriatic Arthritis, PsA, Plaque Psoriasis, PsO, Implementation Science, Psoriasis Epidemiology Screening Tool

Brief summary

The purpose of this study is to assess the impact of adding two questions and pictures to the validated PEST on the potential diagnosis of PsA in participants with moderate-to-severe plaque PsO in Canada.

Detailed description

Patients will be enrolled in the study for up to 120 days and will be asked to fill-out a PsA screening questionnaire at their first dermatologist visit. Patients screening positive for PsA will have a second visit with a rheumatologist where a full PsA diagnosis assessment will be performed. A remote 'end of study' (EOS) visit will be conducted by the dermatologist to document the patient's biologic Disease-Modifying Antirheumatic Drugs (bDMARDs) treatment choice and status.

Interventions

DIAGNOSTIC_TESTPEST Screening group

PEST Screening group

Sponsors

Novartis Pharmaceuticals
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
SCREENING
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

Key inclusion criteria: 1. Moderate-to-severe plaque PsO patients who are candidates for bDMARDs, according to physician's clinical judgement at the time of patient enrollment. 2. Adult patients at the time of informed consent signature 3. Patients able to understand and willing to comply with protocol requirements, instructions, and restrictions 4. Residents of Canada Key

Exclusion criteria

1. Patients who have previously screened positive for PsA through PEST. 2. Patients who have been diagnosed with PsA. 3. Patients who have been diagnosed with inflammatory arthritis unrelated to PsA (rheumatoid arthritis, reactive arthritis, enteropathic arthritis, axial spondyloarthritis) 4. Patients treated with a bDMARD for moderate-to-severe plaque PsO or any other medical condition within the last 6 months prior to patient enrollment.

Design outcomes

Primary

MeasureTime frameDescription
Positive Predictive Value (PPV) for PEST and PEST+2 in adult patients with moderate-to-severe plaque PsO who are candidates for bDMARDsUp to approximately 1 yearTo assess the impact of adding two questions (morning stiffness and low back or buttock pain) to the validated PEST for the potential diagnosis of PsA in moderate-to-severe plaque PsO patients who are candidates for biologic disease-modifying antirheumatic drugs (bDMARDs) The primary clinical question of interest is: Can the addition of two questions to PEST pertaining to presence of morning stiffness and low back or buttock pain (i.e., PEST+2) allow for improved screening and diagnosis of PsA in patients with moderate-to-severe plaque PsO?

Secondary

MeasureTime frameDescription
Proportion of patients scoring negative on PEST and positive on PEST+2 with a confirmed new PsA diagnosis or suspicion of PsA by a rheumatologistUp to approximately 1 yearTo estimate the proportion of patients with a confirmed or suspected PsA diagnosis referred by dermatologists using PEST+2 only
Proportion of patients with a confirmed new PsA diagnosis or suspicion of PsA by a rheumatologistUp to approximately 1 yearProportion of patients with a new PsA diagnosis or suspicion of PsA, confirmed by the rheumatologist who scored: 1. Negative on PEST and positive on PEST+pictures 2. Negative on PEST+2 and positive on PEST+pictures+2 will be evaluated to assess the impact of adding pictures as reference to guide patients answering the screening questions (question 1, 3, and 5)
Proportion of patients with a false positive score between each groupUp to approximately 1 yearProportion of patients with false positive score between each group will be evaluated: 1. PEST+2 vs. PEST+pictures+2 2. PEST+pictures vs. PEST 3. PEST+pictures+2 vs. PEST
Description of the baseline characteristics of the positive screening score and negative screening score patients for both PEST and PEST+2 testsUp to approximately 1 yearDescription of the baseline characteristics (i.e., patient age, biological sex, years since plaque PsO diagnosis, medical history, disease characteristics, concomitant treatments, height, weight, etc.) of the positive screening score and negative screening score patients for both PEST and PEST+2 tests will be evaluated to determine patient's baseline characteristics.
Patient acceptability/user experience of the PEST+2 questionnaireUp to approximately 1 yearSummary scores of the patient acceptability questionnaire of PsA screening questionnaires and a categorical presentation of question-by-question responses at Visit 1
Administration of dermatologist quantitative surveysUp to approximately 1 yearAdministration of dermatologist quantitative surveys, as well as open-ended qualitative questions to assess the acceptability and feasibility of the PEST+pictures+2 from the perspective of dermatologists
Qualitative interview with selected dermatologistsUp to approximately 1 yearBrief 1:1 qualitative interview with selected dermatologists (maximum 12) to assess their knowledge, beliefs, and attitudes towards PsA screening (e.g., motivation to screen)
Intervention Appropriateness Measure (IAM)Up to approximately 1 yearTo assess the appropriateness of the PEST+2 from the perspective of rheumatologists

Countries

Canada

Contacts

CONTACTNovartis Pharmaceuticals
novartis.email@novartis.com+41613241111
STUDY_DIRECTORNovartis Pharmaceuticals

Novartis Pharmaceuticals

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 10, 2026