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Research Article

Efficacy of risankizumab across subgroups in patients with active psoriatic arthritis: a post hoc integrated analysis of the phase 3 KEEPsAKE 1 and KEEPsAKE 2 randomized controlled trials

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Article: 2342383 | Received 07 Nov 2023, Accepted 08 Apr 2024, Published online: 18 Apr 2024

Figures & data

Table 1. Baseline demographics and clinical characteristics.

Figure 1. Proportion of patients achieving ACR20 by subgroup. ACR20: ≥20% improvement in American College of Rheumatology criteria; BMI: body mass index; CI: confidence interval; csDMARD: conventional synthetic disease-modifying, anti-rheumatic drug; Dx: diagnosis; hsCRP: high-sensitivity C-reactive protein; PsA: psoriatic arthritis; PBO: placebo; RZB: risankizumab.

Figure 1. Proportion of patients achieving ACR20 by subgroup. ACR20: ≥20% improvement in American College of Rheumatology criteria; BMI: body mass index; CI: confidence interval; csDMARD: conventional synthetic disease-modifying, anti-rheumatic drug; Dx: diagnosis; hsCRP: high-sensitivity C-reactive protein; PsA: psoriatic arthritis; PBO: placebo; RZB: risankizumab.

Figure 2. Proportion of patients achieving ACR50 by subgroup. ACR50: ≥50% improvement in American College of Rheumatology criteria; BMI: body mass index; CI: confidence interval; csDMARD: conventional synthetic disease-modifying, anti-rheumatic drug; Dx: diagnosis; hsCRP: high-sensitivity C-reactive protein; PsA: psoriatic arthritis; PBO: placebo; RZB: risankizumab.

Figure 2. Proportion of patients achieving ACR50 by subgroup. ACR50: ≥50% improvement in American College of Rheumatology criteria; BMI: body mass index; CI: confidence interval; csDMARD: conventional synthetic disease-modifying, anti-rheumatic drug; Dx: diagnosis; hsCRP: high-sensitivity C-reactive protein; PsA: psoriatic arthritis; PBO: placebo; RZB: risankizumab.

Figure 3. Proportion of patients achieving ACR70 by subgroup. ACR70: ≥70% improvement in American College of Rheumatology criteria; BMI: body mass index; CI: confidence interval; csDMARD: conventional synthetic disease-modifying, anti-rheumatic drug; Dx: diagnosis; hsCRP: high-sensitivity C-reactive protein; PsA: psoriatic arthritis; PBO: placebo; RZB: risankizumab.

Figure 3. Proportion of patients achieving ACR70 by subgroup. ACR70: ≥70% improvement in American College of Rheumatology criteria; BMI: body mass index; CI: confidence interval; csDMARD: conventional synthetic disease-modifying, anti-rheumatic drug; Dx: diagnosis; hsCRP: high-sensitivity C-reactive protein; PsA: psoriatic arthritis; PBO: placebo; RZB: risankizumab.

Figure 4. Proportion of patients achieving PASI90 by subgroup. Patients included in the PASI90 analysis had BSA ≥3% at baseline. BSA: body surface area; BMI: body mass index; CI: confidence interval; csDMARD: conventional synthetic disease-modifying, anti-rheumatic drug; Dx: diagnosis; hsCRP: high-sensitivity C-reactive protein; PASI90: ≥90% improvement in Psoriasis Area and Severity Index; PsA: psoriatic arthritis; PBO: placebo; RZB: risankizumab.

Figure 4. Proportion of patients achieving PASI90 by subgroup. Patients included in the PASI90 analysis had BSA ≥3% at baseline. BSA: body surface area; BMI: body mass index; CI: confidence interval; csDMARD: conventional synthetic disease-modifying, anti-rheumatic drug; Dx: diagnosis; hsCRP: high-sensitivity C-reactive protein; PASI90: ≥90% improvement in Psoriasis Area and Severity Index; PsA: psoriatic arthritis; PBO: placebo; RZB: risankizumab.

Figure 5. Proportion of patients achieving MDA by subgroup. BMI: body mass index; CI: confidence interval; csDMARD: conventional synthetic disease-modifying, anti-rheumatic drug; Dx: diagnosis; hsCRP: high-sensitivity C-reactive protein; MDA: minimal disease activity; PsA: psoriatic arthritis; PBO: placebo; RZB: risankizumab.

Figure 5. Proportion of patients achieving MDA by subgroup. BMI: body mass index; CI: confidence interval; csDMARD: conventional synthetic disease-modifying, anti-rheumatic drug; Dx: diagnosis; hsCRP: high-sensitivity C-reactive protein; MDA: minimal disease activity; PsA: psoriatic arthritis; PBO: placebo; RZB: risankizumab.

Figure 6. Proportion of patients achieving DAPSA LDA by subgroup. BMI: body mass index; CI: confidence interval; csDMARD: conventional synthetic disease-modifying, anti-rheumatic drug; DAPSA LDA: Disease Activity in Psoriatic Arthritis Low Disease Activity score of 5–14; Dx: diagnosis; hsCRP: high-sensitivity C-reactive protein; PsA: psoriatic arthritis; PBO: placebo; RZB: risankizumab.

Figure 6. Proportion of patients achieving DAPSA LDA by subgroup. BMI: body mass index; CI: confidence interval; csDMARD: conventional synthetic disease-modifying, anti-rheumatic drug; DAPSA LDA: Disease Activity in Psoriatic Arthritis Low Disease Activity score of 5–14; Dx: diagnosis; hsCRP: high-sensitivity C-reactive protein; PsA: psoriatic arthritis; PBO: placebo; RZB: risankizumab.

Figure 7. Proportion of patients achieving a minimal clinically important difference in pain by subgroup. A minimal clinically important difference in pain was defined as ≥10 mm decrease (on a 100-mm visual analog scale) among patients with baseline pain ≥10 mm. BMI: body mass index; csDMARD: conventional synthetic disease-modifying, anti-rheumatic drug; CI: confidence interval; Dx: diagnosis; hsCRP: high-sensitivity C-reactive protein; PsA: psoriatic arthritis; PBO: placebo; RZB: risankizumab.

Figure 7. Proportion of patients achieving a minimal clinically important difference in pain by subgroup. A minimal clinically important difference in pain was defined as ≥10 mm decrease (on a 100-mm visual analog scale) among patients with baseline pain ≥10 mm. BMI: body mass index; csDMARD: conventional synthetic disease-modifying, anti-rheumatic drug; CI: confidence interval; Dx: diagnosis; hsCRP: high-sensitivity C-reactive protein; PsA: psoriatic arthritis; PBO: placebo; RZB: risankizumab.
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