Exclusion Criteria
Articles were excluded if they met any of the following criteria: (1) Trials with GC/GEJ patients enrolled in single phase I dose-escalation trials; (2) sample sizes of less than 10 patients; (3) reviews, meta-analyses, case reports, conference abstracts, letters, notes, trial registry records, duplicated studies, guidelines, irrelevant articles and nonhuman studies; (4) trials for which data were not available; or (5) trials of medication no longer in development.