European journal of clinical investigation · 2024
Efficacy and safety of benralizumab in eosinophilic granulomatosis with polyangiitis: A meta-analysis of eight studies.
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Spataro Federico, Solimando Antonio Giovanni, Di Girolamo Attilio, Vacca Angelo, Ria Roberto
Аннотация
OBJECTIVE: Eosinophilic granulomatous polyangiitis (EGPA) is a rare autoimmune disease characterized by multisystemic inflammation, with eosinophils playing a central role in its pathogenesis. Traditional management relies heavily on corticosteroids and immunosuppressants, which are associated with significant side effects. The emergence of biologic agents, such as benralizumab, offers targeted therapeutic options by inhibiting the interleukin-5 receptor α, thereby reducing eosinophilic inflammation.
METHODS: This systematic review and meta-analysis comprehensively evaluate the efficacy and safety of benralizumab in EGPA patients, focusing on its ability to reduce oral corticosteroid (OCS) use, facilitate remission and spare immunosuppressants. We searched MEDLINE, LILACS and ISI Web of Science databases for relevant studies up to July 2024.
RESULTS: Eight studies, including both randomized controlled trials (RCTs) and observational studies, were included in the meta-analysis, involving a total of 396 EGPA patients. The pooled analysis demonstrated a significant reduction in OCS dose, with an overall estimated effect of -8.25 mg/day (95% CI, -9.39 to -7.10). Complete remission was achieved in 56.8% of patients, and immunosuppressants were reduced or discontinued in 28.1% of cases. Adverse events (AEs) were reported in 21.9% of patients, with only one discontinuation due to an AE.
CONCLUSION: These findings provide robust evidence supporting the use of benralizumab as an effective and well-tolerated treatment option for EGPA, significantly reducing OCS requirements and offering promising remission rates. Future research should focus on larger, multicentre RCTs to confirm these findings and further elucidate the long-term benefits and safety profile of benralizumab in EGPA.
METHODS: This systematic review and meta-analysis comprehensively evaluate the efficacy and safety of benralizumab in EGPA patients, focusing on its ability to reduce oral corticosteroid (OCS) use, facilitate remission and spare immunosuppressants. We searched MEDLINE, LILACS and ISI Web of Science databases for relevant studies up to July 2024.
RESULTS: Eight studies, including both randomized controlled trials (RCTs) and observational studies, were included in the meta-analysis, involving a total of 396 EGPA patients. The pooled analysis demonstrated a significant reduction in OCS dose, with an overall estimated effect of -8.25 mg/day (95% CI, -9.39 to -7.10). Complete remission was achieved in 56.8% of patients, and immunosuppressants were reduced or discontinued in 28.1% of cases. Adverse events (AEs) were reported in 21.9% of patients, with only one discontinuation due to an AE.
CONCLUSION: These findings provide robust evidence supporting the use of benralizumab as an effective and well-tolerated treatment option for EGPA, significantly reducing OCS requirements and offering promising remission rates. Future research should focus on larger, multicentre RCTs to confirm these findings and further elucidate the long-term benefits and safety profile of benralizumab in EGPA.