Lupus & antiphospholipid syndrome

Impact of Glucocorticoid Dose on Complete Response, Serious Infections, and Mortality During the Initial Therapy of Lupus Nephritis: A Systematic Review and Meta‐Analysis of the Control Arms of Randomized Controlled Trials

Arthritis RheumatolPublished Systematic review and meta-analysis of the control arms of randomised controlled trials

Authors' conclusion

A higher exposure to glucocorticoids during the initial therapy of LN was associated with better renal outcomes at the cost of increased infections and death.

Study context

Population
Patients with biopsy-proven lupus nephritis (LN) in RCT control arms receiving protocolized GC with mycophenolic acid analogs or CYC
Participants
3,231 patients50 RCT arms
Comparison
Initial GC regimens with MMF analogs or CYC
Outcome
Predicted rates of CR, serious infections and death
Methodological detailsmeta-analysis of proportions, meta-regression, subgroup meta-analysis
  • Meta-analysis of proportions
  • Meta-regression
  • Subgroup meta-analysis

Pooled result

As reported in the abstract

GroupValueSerious infectionsDeath
Prednisone 25 mg/day19.5% (95% CI 7.3–31.5)3.2% (95% CI 2.4-4.0)0.2% (95% CI 0.0-0.4)
Prednisone 60 mg/day34.6% (95% CI 16.9–52.3)12.1% (95% CI 9.3-14.9)2.7% (95% CI 0.0-5.3)

Value

Prednisone 25 mg/day19.5% (95% CI 7.3–31.5)
Prednisone 60 mg/day34.6% (95% CI 16.9–52.3)

Serious infections

Prednisone 25 mg/day3.2% (95% CI 2.4-4.0)
Prednisone 60 mg/day12.1% (95% CI 9.3-14.9)

Death

Prednisone 25 mg/day0.2% (95% CI 0.0-0.4)
Prednisone 60 mg/day2.7% (95% CI 0.0-5.3)

Further pooled results

OutcomePrednisone 25 mg/dayPrednisone 60 mg/day
Serious infections and death (predicted rates)Value = serious infections3.2% (95% CI 2.4–4.0)12.1% (95% CI 9.3–14.9)
Death0.2% (95% CI 0.0-0.4)2.7% (95% CI 0.0-5.3)

Adding GC pulses

Increased the rates of complete response (CR) and death but not serious infections

Dose-response · six months

Dose-response gradient between initial GC dosage and all outcomes, after accounting for GC pulses, underlying immunosuppressant and baseline proteinuria

Original publication

Impact of Glucocorticoid Dose on Complete Response, Serious Infections, and Mortality During the Initial Therapy of Lupus Nephritis: A Systematic Review and Meta‐Analysis of the Control Arms of Randomized Controlled Trials. Arthritis Rheumatol. Published 28 June 2024. doi:10.1002/art.42920

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