Observational studyFrontiers in immunology2025
Additions of trastuzumab to preoperative chemotherapy or chemoimmunotherapy for patients with potentially resectable stage III to IV
Observational study in Frontiers in immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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10 authors.
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Abstract
Background: Whether the addition of trastuzumab to chemo(immuno)therapy for the preoperative treatment of patients with potentially resectable HER2-positive gastric cancer has clinical benefits remains to be explored. This real-world observational study was designed to evaluate the efficacy and safety of trastuzumab plus chemo(immuno)therapy for neoadjuvant or conversion therapy in patients with potentially resectable HER2-positive gastric cancer. Methods: We retrospectively collected the clinical data of treatment-naïve patients with potentially resectable stage III to IV Results: A total of 40 patients were included in the analysis, specifically, 27 patients (67.5%, 95% CI 0.520-0.799) received preoperative trastuzumab plus chemo(immuno)therapy, and 13 patients (32.5%, 95% CI 0.201-0.480) received chemo(immuno)therapy. All these patients subsequently underwent D2 gastrectomy. Regarding surgical outcomes, TRG0/1 rates were 33.3% (95% CI 0.186-0.522) in the trastuzumab-containing treatment group and 15.4% (95% CI 0.043-0.422) in the chemotherapy/chemoimmunotherapy group. Regarding safety, 66.7% (95% CI 0.478-0.814) of patients in the trastuzumab-containing treatment group and 61.5% (95% CI 0.355-0.823) of patients in the chemotherapy/chemoimmunotherapy group experienced preoperative TRAEs. The probabilities of EFS were not statistically significant between the two groups by the last follow-up. Conclusion: Additions of trastuzumab to preoperative chemotherapy or chemoimmunotherapy resulted in a TRG0/1 rate of 33.3% among patients with potentially resectable HER2-positive gastric cancer, and the combined regimen exhibited a favourable safety profile.
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