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Guselkumab Meets Primary, Key Secondary Endpoints in Phase 4 STAR Study of Axial PsA
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Fusion42 · 27 September 2026 · Fusion42 review
Guselkumab met primary and key secondary endpoints in the Phase 4 STAR study, showing improvement in axial symptoms and reduction in MRI-confirmed inflammation for biologic-naïve adults with axial psoriatic arthritis.
This Wire brief sits within Fusion42's coverage of Biotech.
◆ ◆ The Wire takeaway
You face a new standard of evidence for psoriasis arthritis treatments that includes objective MRI endpoints alongside patient symptoms. This trial's design opens the door to more rigorous product differentiation through imaging biomarkers.
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1 source · 26 Sep 2026
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