Search Strategy
This meta-analysis was conducted based on the Preferred Reporting Items
for Systematic Reviews and Meta‐Analyses (PRISMA) statement and the
protocol has been registered in PROPERO (CRD42023454582). We
systematically searched the PubMed, Embase, Web of Science, Cochrane
Central Register of Controlled Trials (CENTRAL) and ClinicalTrials.gov
databases from their inception dates to August 21, 2023. The main search
terms used for retrieval were “gastric” OR “stomach” AND “cancer”
AND “HER2-targeted antibody-drug conjugate”. In addition, the
references cited in the included studies were checked to identify
additional potentially relevant studies. The complete search strategy is
provided in the Supplementary file.