Pediatric rheumatology

Efficacy of initial combination with belimumab in newly diagnosed childhood-onset lupus nephritis: a single-centre historical control study

Lupus Sci MedPublished Historical control study

Main finding · PERRResult — go to the resultχ2 3.965

Authors' conclusion

This study reported for the first time the effectiveness of combined belimumab therapy in a Chinese cohort of patients with cLN.

Study context

Population
Children aged 5–17 years with newly diagnosed childhood-onset LN (cLN), Chinese cohort
Participants
101 children
Comparison
Initial combination with belimumab vs standard immunotherapy
  • Belimumabn = 38
  • Standard immunotherapyn = 63reference
Outcome
Primary efficacy renal response (PERR)
Follow-up
12 months
Methodological detailssingle-centre
  • Single-centre

Main finding

PERR

χ2

3.965

P = 0.046

By group

As reported in the abstract

Secondary outcomes

CRR · 12 months

χ2 4.679 · P = 0.031

LLDAS · 12 months

χ2 27.84 · P < 0.001

DORIS remission · 12 months

χ2 6.626 · P = 0.01

GC dose ≤7.5 mg/day

χ2 19.737 · P < 0.001

SLE Disease Activity Index (SLEDAI) and glucocorticoid (GC) dose reduction
P < 0.05

SLEDAI and GC dose reduction

Faster and greater reductions in SLEDAI and GC dose with belimumab

Safety

OutcomeBelimumabStandard immunotherapy
eGFR decline of 30% or more · 12 monthsNo worsening of renal function in belimumab group0 events6.3%

Serious adverse events

None reported in either group

Infection

No significant difference between groups

Original publication

Efficacy of initial combination with belimumab in newly diagnosed childhood-onset lupus nephritis: a single-centre historical control study. Lupus Sci Med. Published 15 December 2024. doi:10.1136/lupus-2024-001350

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