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Key clinical point: Guselkumab significantly reduced inflammatory and collagen biomarker levels, correlating with improvements in joint and overall disease activity over 2 years in biologic-naive patients with psoriatic arthritis (PsA).
Major finding: Over 2 years, reductions in C-reactive protein, interleukin-6, matrix metalloproteinase (MMP)–degradation type 1 collagen (C1M), and MMP-degradation type VI collagen (C6M) levels correlated with improved Disease Activity in Psoriatic Arthritis (correlation coefficient [r], 0.26-0.30; P < .05). Additionally, reductions in C1M, MMP-degradation type III collagen, MMP-degradation type IV collagen, and C6M levels correlated with improved Psoriatic Arthritis Disease Activity Scores (r, 0.27-0.31; P < .05).
Study details: This post hoc analysis of the phase 3 DISCOVER-2 trial included 739 biologic-naive patients with active PsA who were randomly assigned to receive guselkumab (100 mg every 4 or 8 weeks) or placebo with a crossover to 100 mg guselkumab every 4 weeks at week 24.
Disclosures: This DISCOVER-2 study was funded by Janssen Research & Development, LLC. Four authors reported being employees of Janssen and owning stock or stock options in Johnson & Johnson. Others declared having ties with various sources.
Source: Siebert S, Schett G, Raychaudhuri SP, et al. Correlation of changes in inflammatory and collagen biomarkers with durable guselkumab efficacy through 2 years in participants with active psoriatic arthritis: Results from a phase III randomized controlled trial. Ther Adv Musculoskelet Dis. 2024;16:1-20. Source
Key clinical point: Guselkumab significantly reduced inflammatory and collagen biomarker levels, correlating with improvements in joint and overall disease activity over 2 years in biologic-naive patients with psoriatic arthritis (PsA).
Major finding: Over 2 years, reductions in C-reactive protein, interleukin-6, matrix metalloproteinase (MMP)–degradation type 1 collagen (C1M), and MMP-degradation type VI collagen (C6M) levels correlated with improved Disease Activity in Psoriatic Arthritis (correlation coefficient [r], 0.26-0.30; P < .05). Additionally, reductions in C1M, MMP-degradation type III collagen, MMP-degradation type IV collagen, and C6M levels correlated with improved Psoriatic Arthritis Disease Activity Scores (r, 0.27-0.31; P < .05).
Study details: This post hoc analysis of the phase 3 DISCOVER-2 trial included 739 biologic-naive patients with active PsA who were randomly assigned to receive guselkumab (100 mg every 4 or 8 weeks) or placebo with a crossover to 100 mg guselkumab every 4 weeks at week 24.
Disclosures: This DISCOVER-2 study was funded by Janssen Research & Development, LLC. Four authors reported being employees of Janssen and owning stock or stock options in Johnson & Johnson. Others declared having ties with various sources.
Source: Siebert S, Schett G, Raychaudhuri SP, et al. Correlation of changes in inflammatory and collagen biomarkers with durable guselkumab efficacy through 2 years in participants with active psoriatic arthritis: Results from a phase III randomized controlled trial. Ther Adv Musculoskelet Dis. 2024;16:1-20. Source
Key clinical point: Guselkumab significantly reduced inflammatory and collagen biomarker levels, correlating with improvements in joint and overall disease activity over 2 years in biologic-naive patients with psoriatic arthritis (PsA).
Major finding: Over 2 years, reductions in C-reactive protein, interleukin-6, matrix metalloproteinase (MMP)–degradation type 1 collagen (C1M), and MMP-degradation type VI collagen (C6M) levels correlated with improved Disease Activity in Psoriatic Arthritis (correlation coefficient [r], 0.26-0.30; P < .05). Additionally, reductions in C1M, MMP-degradation type III collagen, MMP-degradation type IV collagen, and C6M levels correlated with improved Psoriatic Arthritis Disease Activity Scores (r, 0.27-0.31; P < .05).
Study details: This post hoc analysis of the phase 3 DISCOVER-2 trial included 739 biologic-naive patients with active PsA who were randomly assigned to receive guselkumab (100 mg every 4 or 8 weeks) or placebo with a crossover to 100 mg guselkumab every 4 weeks at week 24.
Disclosures: This DISCOVER-2 study was funded by Janssen Research & Development, LLC. Four authors reported being employees of Janssen and owning stock or stock options in Johnson & Johnson. Others declared having ties with various sources.
Source: Siebert S, Schett G, Raychaudhuri SP, et al. Correlation of changes in inflammatory and collagen biomarkers with durable guselkumab efficacy through 2 years in participants with active psoriatic arthritis: Results from a phase III randomized controlled trial. Ther Adv Musculoskelet Dis. 2024;16:1-20. Source