Lupus & antiphospholipid syndrome

Clinical and Biomarker Responses to BI 655064, an Antagonistic Anti‐CD40 Antibody, in Patients With Active Lupus Nephritis: A Randomized, Double‐Blind, Placebo‐Controlled, Phase II Trial

Arthritis RheumatolPublished Randomised controlled trial

Authors' conclusion

The trial failed to demonstrate a dose-response relationship for the primary CRR endpoint.

Study context

Population
Patients with active lupus nephritis (LN) receiving mycophenolate and GC
Participants
121 patients
Comparison
BI 655064 120, 180 or 240 mg vs placebo, added to mycophenolate and GC
Primary endpoint
Complete renal response (CRR)
Follow-up
Week 52
Methodological detailsdouble-blind, placebo-controlled, phase II, dose-ranging
  • Double-blind
  • Placebo-controlled
  • Phase II
  • Dose-ranging

Primary result

As reported in the abstract

CRR

Secondary outcomes

CRR · week 26

Confirmed CRR (cCRR, at weeks 46 and 52) · post hoc analysis

Safety

≥1 adverse event — Placebo
97.5%
Infections and infestations (most frequent AEs) — Placebo
60%
Serious infections — 240 mg
20%
Severe infections — 240 mg
10%
≥1 adverse event — BI 655064 (all doses)
85.7-95.0%
Infections and infestations (most frequent AEs) — BI 655064 (all doses)
61.9-75.0%
Serious infections — Other groups
7.5-10%
Severe infections — Other groups
4.8-5.0%

Original publication

Clinical and Biomarker Responses to BI 655064, an Antagonistic Anti‐CD40 Antibody, in Patients With Active Lupus Nephritis: A Randomized, Double‐Blind, Placebo‐Controlled, Phase II Trial. Arthritis Rheumatol. Published 17 August 2023. doi:10.1002/art.42557

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