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RESEARCH PAPER ANALYSIS

Efficacy and Safety of Anti-GD2 Immunotherapy with Dinutuximab Beta in the Treatment of Relapsed/Refractory High-Risk Neuroblastoma.

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PMID40459700
JournalTargeted oncology
Publication Date2025-06-03
Ingested2026-08-02 12:04 AM
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ABSTRACT

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BACKGROUND: High-risk neuroblastoma (HR-NB) is associated with a poor prognosis. Standard first-line maintenance therapy with anti-disialoganglioside 2 (GD2) monoclonal antibodies, such as dinutuximab beta, has improved survival rates; however, approximately 50% of patients experience relapse and ~15% have disease that is refractory to induction therapy. OBJECTIVE: This systematic literature review aimed to evaluate response rates, survival outcomes, and safety in patients with relapsed or refractory (R/R) HR-NB receiving dinutuximab beta as maintenance therapy. PATIENTS AND METHODS: We searched the PubMed, Embase, and Cochrane Library databases and regulatory reports from inception to 1 September 2024, and included studies of patients with R/R HR-NB in which dinutuximab beta (± isotretinoin) was used as maintenance therapy and that reported objective response or survival rates. Studies of dinutuximab beta plus chemotherapy combinations were excluded. RESULTS: We included nine publications/reports representing seven studies and 442 patients receiving dinutuximab beta. Across studies, the mean age was 5.1-6.4 years, and most patients were male. Reporting of response varied across studies between best response and end-of-treatment response. Best response rates with dinutuximab beta were 28.6-54.8%. All studies reported overall survival (OS), but follow-up times varied. Where reported, 3-year OS rates for patients receiving dinutuximab beta were 54-86% overall, with better OS rates reported for refractory than relapsed patients. Adverse events were frequent but manageable. CONCLUSIONS: Maintenance therapy for patients with R/R HR-NB with dinutuximab beta as monotherapy or in combination with isotretinoin demonstrated efficacy and acceptable safety. Further studies are needed in patients previously treated with anti-GD2 therapies to evaluate efficacy and impact on target antigens.

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PATIENT-FRIENDLY SUMMARY

Efficacy and Safety of Anti-GD2 Immunotherapy with Dinutuximab Beta in the Treatment of Relapsed/Refractory High-Risk Neuroblastoma.

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