Spondyloarthritis & psoriatic arthritis

Guselkumab provides sustained domain-specific and comprehensive efficacy using composite indices in patients with active psoriatic arthritis

Rheumatology (Oxford)Published Pooled analysis of the DISCOVER-1 and DISCOVER-2 phase 3 randomised trials

Authors' conclusion

Treatment with guselkumab provided robust and sustained benefits across multiple PsA domains through 1 year, indicating that guselkumab is an effective therapy for the diverse manifestations of PsA.

Study context

Population
Patients with active PsADISCOVER-1 n = 381
Comparison
Guselkumab 100 mg Q4W or Q8W vs placebo
Outcome
Efficacy by composite indices:
  • DAPSA
  • Psoriatic Arthritis Disease Activity Score (PASDAS)
  • Minimal disease activity (MDA)
  • Very low disease activity (VLDA)
Follow-up
Through week 52
Methodological detailsplacebo-controlled, placebo crossover to guselkumab at week 24, non-responder imputation through week 52
  • Placebo-controlled
  • Placebo crossover to guselkumab at week 24
  • Non-responder imputation through week 52

Pooled result

As reported in the abstract

DAPSA low disease activity (LDA) and remission, PASDAS LDA and VLDA, MDA, and VLDA · week 24

Greater proportions of guselkumab- than placebo-treated patients achieved each index

all unadjusted P < 0.05

Further pooled results

OutcomeGuselkumab Q4WGuselkumab Q8W
Composite index response rates · week 52Non-responder imputation for missing data
DAPSA LDA54.2%52.5%
DAPSA remission18.2%17.6%
PASDAS LDA45.3%41.9%
PASDAS VLDA16.9%19.5%
MDA35.9%30.7%
VLDA13.1%14.4%

Composite index response rates after crossover to guselkumab · week 24 through week 52

Placebo-crossover: response rates for all composite indices increased after switching to guselkumab

Original publication

Guselkumab provides sustained domain-specific and comprehensive efficacy using composite indices in patients with active psoriatic arthritis. Rheumatology (Oxford). Published 29 June 2022. doi:10.1093/rheumatology/keac375

Composed by AI from the published abstract and checked against it. How Briefs are made →

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