Spondyloarthritis & psoriatic arthritis

Safety of Guselkumab With and Without Prior Tumor Necrosis Factor Inhibitor Treatment: Pooled Results Across 4 Studies in Patients With Psoriatic Arthritis

J RheumatolPublished Pooled analysis of 4 randomised controlled trials

Authors' conclusion

The safety profile of GUS in TNFi-experienced patients was consistent with that in TNFi-naïve patients, which remained favorable for up to 2 years.

Study context

Population
Patients with active PsA, tumor necrosis factor inhibitor (TNFi)-naïve and TNFi-experienced, from the Phase 2, DISCOVER-1, DISCOVER-2 and COSMOS studies1,138 TNFi-naïve, 416 TNFi-experienced
Participants
1,554 patients
Comparison
Guselkumab 100 mg Q4W or Q8W vs placebo, by prior TNFi exposure
  • Guselkumab (GUS) Q4Wn = 373
  • GUS Q8Wn = 664
  • Placebo (PBO)n = 517reference
Outcome
Time-adjusted AE rates (events/100 PY) and clinical laboratory findings
Follow-up
PBO-controlled period (week 24) and through end of study (≤ 2 years)
Methodological detailsplacebo-controlled, crossover from placebo to GUS at week 24, phase II/III
  • Placebo-controlled
  • Crossover from placebo to GUS at week 24
  • Phase II/III

Pooled result

As reported in the abstract

AE rate, events/100 PY, by prior TNFi use · week 24

Further pooled results

AE rate, events/100 PY, all GUS-treated patients (incl. PBO crossover), long-term · end of study (≤ 2 years)

Safety

Adverse event (AEs) leading to discontinuation, serious AEs, other AEs of interest, elevated hepatic transaminases, decreased neutrophil counts · week 24 and end of study

Consistent between PBO and GUS-treated patients through week 24 regardless of prior TNFi use; remained low through end of studies

Original publication

Safety of Guselkumab With and Without Prior Tumor Necrosis Factor Inhibitor Treatment: Pooled Results Across 4 Studies in Patients With Psoriatic Arthritis. J Rheumatol. Published 15 January 2023. doi:10.3899/jrheum.220928

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