Spondyloarthritis & psoriatic arthritis

The evolving demographics of participants in psoriatic arthritis phase III randomised controlled trials of b/tsDMARDs: A systematic review

Semin Arthritis RheumPublished Systematic review of randomised controlled trials

Authors' conclusion

Despite the expansion of countries from which PsA RCT participants were recruited from, non-white participants continue to be under-represented.

Study context

Population
Participants in placebo-controlled phase III randomised controlled trials (RCTs) of b/tsDMARDs in peripheral psoriatic arthritis (PsA) published up to 1 June 202234 RCTs from 33 reports
Comparison
2000-2004 vs 2015-2019
Outcome
Evolving demographics of participants (sex, race, countries, disease activity) over time
Methodological detailsplacebo-controlled phase III RCTs, descriptive statistics
  • Placebo-controlled phase III RCTs
  • Descriptive statistics

Pooled result

As reported in the abstract

Participant demographics by trial initiation period
Female participants, 2000-2004
29.0-43.7%
Female participants, 2015-2019
46.0-58.8%
Number of countries, 2000-2004
1-8
Number of countries, 2015-2019
2-46
White participants, 2000-2004
90.0-98.0%
White participants, 2015-2019
80.9-97.3%
SJC and TJC, 2000-2004
13.9 to 24.6
SJC, 2015-2019
7.0-13.9
TJC, 2015-2019
12.9-24.9

Original publication

The evolving demographics of participants in psoriatic arthritis phase III randomised controlled trials of b/tsDMARDs: A systematic review. Semin Arthritis Rheum. Published 14 February 2023. doi:10.1016/j.semarthrit.2023.152175

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