European journal of nuclear medicine and molecular imaging · 2025
Evaluating Xerostomia as a side effect of [255Ac]Ac-PSMA therapy in prostate cancer: a systematic review and meta-analysis.
СтатьяСистематический обзорМетаанализНазвание и аннотация: Перевод в очереди
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Al-Ibraheem Akram, Moghrabi Serin, Sathekge Mike Machaba, Abdlkadir Ahmed Saad
Аннотация
PURPOSE: This systematic review and meta-analysis evaluates xerostomia occurrence in prostate cancer (PC) patients undergoing [225Ac]Ac-prostate-specific membrane antigen ([225Ac]Ac-PSMA) therapy.
METHODS: Following the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols (PRISMA-P) guidelines, comprehensive electronic searches were conducted across PubMed, Scopus, and Web of Science. The study included articles addressing xerostomia as a side effect of [225Ac]Ac-PSMA therapy in clinical settings, encompassing both tandem and monotherapy strategies. Methodological quality was assessed using the National Institutes of Health (NIH) Assessment Tool. Stata software was employed to perform pooled xerostomia rates, heterogeneity analysis, meta-regression, and publication bias analysis.
RESULTS: Twenty studies met inclusion criteria, comprising 2949 [225Ac]Ac-PSMA cycles administered to 1207 PC patients. For [225Ac]Ac-PSMA monotherapy, the pooled rate of any-grade xerostomia was 84% (95%CI: 69-94%). Grade 1-2 xerostomia had a pooled rate 83% (95%CI: 71-93%), while therapy discontinuation due to xerostomia was 5% (95%CI: 0-13%). Grade 3 xerostomia was evident in 13% (95%CI: 7-20%). [225Ac]Ac/[177Lu]Lu-PSMA tandem therapy resulted in lower pooled rate of 68% for grade 1-2 toxicity (95%CI: 17-100%). Indirect comparison revealed a two-fold decrease in xerostomia risk with tandem protocol compared to monotherapy. Significant heterogeneity was observed, primarily influenced by baseline median prostate-specific antigen values (p = 0.04). Publication bias was present in most xerostomia subgroups, with trim-and-fill analysis adjusting for effect size in specific categories.
CONCLUSION: Xerostomia is most pronounced in patients undergoing [225Ac]Ac-PSMA monotherapy. Tandem approach with [177Lu]Lu-PSMA could reduce xerostomia rates and improve compliance. Further large-scale, prospective studies are necessary for generalization and result consolidation.
METHODS: Following the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols (PRISMA-P) guidelines, comprehensive electronic searches were conducted across PubMed, Scopus, and Web of Science. The study included articles addressing xerostomia as a side effect of [225Ac]Ac-PSMA therapy in clinical settings, encompassing both tandem and monotherapy strategies. Methodological quality was assessed using the National Institutes of Health (NIH) Assessment Tool. Stata software was employed to perform pooled xerostomia rates, heterogeneity analysis, meta-regression, and publication bias analysis.
RESULTS: Twenty studies met inclusion criteria, comprising 2949 [225Ac]Ac-PSMA cycles administered to 1207 PC patients. For [225Ac]Ac-PSMA monotherapy, the pooled rate of any-grade xerostomia was 84% (95%CI: 69-94%). Grade 1-2 xerostomia had a pooled rate 83% (95%CI: 71-93%), while therapy discontinuation due to xerostomia was 5% (95%CI: 0-13%). Grade 3 xerostomia was evident in 13% (95%CI: 7-20%). [225Ac]Ac/[177Lu]Lu-PSMA tandem therapy resulted in lower pooled rate of 68% for grade 1-2 toxicity (95%CI: 17-100%). Indirect comparison revealed a two-fold decrease in xerostomia risk with tandem protocol compared to monotherapy. Significant heterogeneity was observed, primarily influenced by baseline median prostate-specific antigen values (p = 0.04). Publication bias was present in most xerostomia subgroups, with trim-and-fill analysis adjusting for effect size in specific categories.
CONCLUSION: Xerostomia is most pronounced in patients undergoing [225Ac]Ac-PSMA monotherapy. Tandem approach with [177Lu]Lu-PSMA could reduce xerostomia rates and improve compliance. Further large-scale, prospective studies are necessary for generalization and result consolidation.