Evaluation of Sonelokimab for the Treatment of Patients With Active Psoriatic Arthritis

The ACR50 response criteria was a response of at least 50% improvement from baseline based on both swollen joint count (66 joints) and tender joint count (68 joints), and at least 50% improvement from baseline in at least 3 of the following 5 variables: 1) participant's assessment of arthritis pain (PtAAP) on a Visual Analog Scale (VAS, no pain =0 to severe pain =100); 2) participant's global assessment of disease activity (PtGADA) on a VAS (very well =0 to very poor =100); 3) physician's global assessment of disease activity (phGADA) on a VAS (very well =0 to very poor =100); 4) participant's assessment of physical function as measured by the Health Assessment Questionnaire Disability Index (HAQ-DI) (overall score ranging from 0 [mild disability] to 3 [very severe disability]); and 5) high sensitivity C-reactive protein (hs-CRP, decrease indicates improvement). A non-responder imputation (NRI) method was used for missing data.

The ACR20 response criteria was a response of at least 20% improvement from baseline based on both swollen joint count (66 joints) and tender joint count (68 joints), and at least 20% improvement from baseline in at least 3 of the following 5 variables: 1) PtAAP on a VAS (no pain =0 to severe pain =100); 2) PtGADA on a VAS (very well =0 to very poor =100); 3) phGADA on a VAS (very well =0 to very poor =100); 4) participant's assessment of physical function as measured by the HAQ-DI (overall score ranging from 0 [mild disability] to 3 [very severe disability]); and 5) hs-CRP (decrease indicates improvement). An NRI method was used for missing data. ACR20 response rate at Week 12 was analyzed as a key secondary outcome measure.

The PASI is a validated tool to dynamically assess psoriasis severity. The PASI produces a numeric score that ranges from 0 (no disease) to 72 (maximal disease). A PASI90 response was defined as greater than or equal to 90% improvement (reduction) in PASI score from baseline. An NRI method was used for missing data. PASI90 response at Week 12 was analyzed as a key secondary outcome measure.

The ACR50 response criteria was a response of at least 50% improvement from baseline based on both swollen joint count (66 joints) and tender joint count (68 joints), and at least 50% improvement from baseline in at least 3 of the following 5 variables: 1) PtAAP on a VAS (no pain =0 to severe pain =100); 2) PtGADA on a VAS (very well =0 to very poor =100); 3) phGADA on a VAS (very well =0 to very poor =100); 4) participant's assessment of physical function as measured by the HAQ-DI (overall score ranging from 0 [mild disability] to 3 [very severe disability]); and 5) hs-CRP (decrease indicates improvement). An NRI method was used for missing data.

The ACR70 response criteria was a response of at least 70% improvement from baseline based on both swollen joint count (66 joints) and tender joint count (68 joints), and at least 70% improvement from baseline in at least 3 of the following 5 variables: 1) PtAAP on a VAS (no pain =0 to severe pain =100); 2) PtGADA on a VAS (very well =0 to very poor =100); 3) phGADA on a VAS (very well =0 to very poor =100); 4) participant's assessment of physical function as measured by the HAQ-DI (overall score ranging from 0 [mild disability] to 3 [very severe disability]); and 5) hs-CRP (decrease indicates improvement). An NRI method was used for missing data.

Minimal disease activity was defined as meeting 5 of the following 7 criteria: tender joint count (68 joints) ≤1; swollen joint count (66 joints) ≤1; psoriasis area and severity index ≤1 or psoriasis affecting ≤1% of body surface area; PtAAP ≤15 on a VAS (0 = no pain to 100 = severe pain); PtGADA ≤20 on a VAS (0 = very well to 100 = very poor); HAQ-DI ≤0.5 (overall score ranging from 0 [mild disability] to 3 [very severe disability]); and Leeds Enthesitis Index (LEI) ≤1 (overall score ranging from 0 to 6, with higher scores indicating greater disease severity). An NRI method was used for missing data.

The PASI is a validated tool to dynamically assess psoriasis severity. The PASI produces a numeric score that ranges from 0 (no disease) to 72 (maximal disease). A PASI75 response was defined as greater than or 75% improvement (reduction) in PASI score from baseline. An NRI method was used for missing data.

The PASI is a validated tool to dynamically assess psoriasis severity. The PASI produces a numeric score that ranges from 0 (no disease) to 72 (maximal disease). A PASI100 response was defined as 100% improvement (reduction) in PASI score from baseline. An NRI method was used for missing data.

The mNAPSI is a tool to assess psoriatic nail involvement. Three groups of features (pitting, onycholysis, and oil-drop dyshromia and crumbling) for each fingernail are graded on a scale from 0 to 3. Four features (leukonychia, splinter hemorrhages, hyperkeratosis, and red spots in the lunula) are graded as either present (1) or absent (0) in each fingernail. The total score was calculated by summing the score for each feature and each fingernail and ranged from 0 to 130, with higher scores indicating greater nail disease. A negative change from baseline indicated an improvement in nail disease.