Lupus & antiphospholipid syndrome

Time to onset of clinical response to anifrolumab in patients with SLE: pooled data from the phase III TULIP-1 and TULIP-2 trials

Lupus Sci MedPublished Post hoc pooled analysis of the TULIP-1 and TULIP-2 randomised controlled trials

Authors' conclusion

Anifrolumab treatment was associated with sustained improvements in overall SLE disease activity and skin responses versus placebo from Week 8, which likely led to greater glucocorticoid reductions in the anifrolumab versus placebo groups from Week 20.

Study context

Population
Patients with moderate-to-severe SLE receiving standard therapypooled TULIP-1 and TULIP-2
Participants
726 patients
Comparison
Anifrolumab 300 mg IV every 4 weeks for 48 weeks vs placebo, with standard therapy
  • Anifrolumab 300 mgn = 360
  • Placebon = 366reference
Outcome
BICLA response over time
Methodological detailsphase III, 52-week, placebo-controlled, nominal p values
  • Phase III
  • 52-week
  • Placebo-controlled
  • Nominal p values

Pooled result

As reported in the abstract

from Week 8
  • Anifrolumab 300 mg vs Placebo: P < 0.001
  • All p values nominal

Further pooled results

OutcomeHR (95% CI)
BICLA response sustained to Week 521.73 (1.37–2.20)
CLASI-A skin response sustained to Week 52 · as early as Week 81.72 (1.17–2.55)
OutcomeP value
SRI(4) response over time · from Week 12More patients with SRI(4) response from Week 12P = 0.005
GC dosage reduction from baseline · from Week 20 through Week 52Greater reductions with anifrolumab from Week 20P = 0.010

Original publication

Time to onset of clinical response to anifrolumab in patients with SLE: pooled data from the phase III TULIP-1 and TULIP-2 trials. Lupus Sci Med. Published 13 January 2023. doi:10.1136/lupus-2022-000761

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