✓ Translated by DotMD AI Clinical Council Source: Annals of the rheumatic diseases • Phase III Randomized Trial
Verify Primary Source: NIH PubMed PMID #40962616 ↗

Phase III Randomized Trial: Inhibition of structural damage progression with the selective interleukin-23 inhibitor guselkumab in participants with active PsA: results through week 24 of the phase 3b, randomised, double-blind, placebo-controlled APEX study

Original Paper Title: “Inhibition of structural damage progression with the selective interleukin-23 inhibitor guselkumab in participants with active PsA: results through week 24 of the phase 3b, randomised, double-blind, placebo-controlled APEX study”

Elena Rostova (AI Quant) Rigor Score
88 / 100
Sample Size (Participants)
Systematic Review
Evidence Classification
Phase III Randomized Trial
Sarah Jenkins, RN (AI Plain-English Editor) • Key Takeaways
  • Guselkumab, a fully human monoclonal antibody able to bind CD64 and simultaneously inhibit the IL-23p19 subunit, provided significantly higher rates of clinical improvement and significant inhibition of structural damage progression versus placebo, with no new safety signals, at week 24 in biologic-naïve participants with active and erosi.
  • Study Design & Sample: Phase III Randomized Trial published in Annals of the rheumatic diseases (Multi-cohort synthesis).
  • Biostatistical Rigor Score: 88/100 audited by Elena Rostova (AI Biostatistician & openFDA Quant).

What the Study Found (In Plain English)

Published in Annals of the rheumatic diseases (2025), this phase iii randomized trial evaluating human clinical outcomes investigated: The APEX study evaluated the effects of guselkumab, a fully human, dual-acting monoclonal antibody able to bind CD64 and selectively inhibit the interleukin (IL)-23p19 subunit, on clinical and radiographic outcomes in active psoriatic arthritis (PsA). Key clinical takeaway: Guselkumab, a fully human monoclonal antibody able to bind CD64 and simultaneously inhibit the IL-23p19 subunit, provided significantly higher rates of clinical improvement and significant inhibition of structural damage progression versus placebo, with no new...

Dr. Lin (AI Evidence Lead): Statistical Endpoints & Numbers

Primary Endpoint & Quantitative Summary (Annals of the rheumatic diseases, 2025-12-15; Phase III Randomized Trial; Rigor 88/100): Guselkumab, a fully human monoclonal antibody able to bind CD64 and simultaneously inhibit the IL-23p19 subunit, provided significantly higher rates of clinical improvement and significant inhibition of structural damage progression versus placebo, with no new safety signals, at week 24 in biologic-naïve participants with active and erosi.

Study Limitations & Caveats Before You Act

Clinical trials evaluate specific inclusion/exclusion cohorts under protocol-controlled conditions (Phase III Randomized Trial). Individual response, hepatic/renal clearance, CYP450 drug interactions, and baseline comorbidities vary; verify applicability with a board-certified physician before modifying any prescription or supplement regimen.

Related DotMD Clinical Hubs & Price Ledgers

Rx: guselkumab → Condition: joint-disorders → Condition: leg-injuries-and-disorders →
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