ArticleFrontiers in oncology2022
Efficacy of intra-arterial chemotherapy with sequential anti-PD-1 antibody in unresectable gastric cancer: A retrospective real-world study.
Article in Frontiers in oncology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 10 citations in OpenAlex.
- Quadruple therapy with immunotherapy and chemotherapy as first-line conversion treatment for unresectable advanced gastric adenocarcinoma: A case report.World journal of gastrointestinal oncology · 2025Article
- An innovative treatment approach using iliac artery embolization and implanted port for chemotherapy in a patient with gluteal muscle metastasis of advanced colon cancer: a case report and literature review.Frontiers in oncology · 2025Article
- Association of PD-1 + Treg/PD-1 + CD8 ratio and tertiary lymphoid structures with prognosis and response in advanced gastric cancer patients receiving preoperative treatment.Journal of translational medicine · 2024Article
- Single-cell RNA sequencing reveals the immune microenvironment landscape of osteosarcoma before and after chemotherapy.Heliyon · 2024Article
- Applications of image-guided locoregional transarterial chemotherapy in patients with inoperable colorectal cancer: a review.Frontiers in oncology · 2024Review
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Authors and funding
9 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: The prognosis of unresectable gastric cancer is poor, while the efficacy of anti-PD antibodies has not been evaluated. Methods: Patients with unresectable gastric cancer who received intra-arterial chemotherapy (IAC) with sequential anti-PD-1 antibody as induction therapy in Jinling Hospital were retrospectively analyzed. The primary outcome is R0 resection rate. The secondary outcomes include safety, conversion surgery rate, overall survival (OS) and progression free survival (PFS) after postoperative IAC and anti-PD-1 treatments. Meanwhile, Tumor immunity in the microenvironment (TIME) before and after IAC was comprehensively dissected with multiplex immunofluorescence in order to detect possible mechanisms favoring anti-PD-1 treatment response. Results: Between May 2019 and October 2020, 36 patients received at least one cycle of IAC with sequential anti-PD-1 antibody in our institution. The objective response was achieved in 28 patients (77.8%). Thirty patients (83.3%) successfully underwent conversion surgery, among which R0 resection was managed in 25/30 patients, and 23.3% (7/30) was assessed as pathological complete remission. During the median follow-up period of 19.7 months, patients who underwent R0 resection displayed superior OS (HR 0.14 [95% CI 0.04-0.50], P < 0.0001) and PFS (HR 0.11 [0.03-0.44], P < 0.0001) than those who did not. Grade 3 adverse events (AEs) were only encountered in 19.4% patients, no grade 4 AEs observed. In TIME analysis, the number of tertiary lymphoid structures (TLSs) (P = 0.004) were greatly induced by IAC, as well as CD8 Conclusion: Preoperative IAC with sequential anti-PD-1 antibody exhibited promising clinical benefit for unresectable gastric cancer with remarkable conversion rate and R0 resection rate, and also prolonged survival as postoperative regimen. TIME transformation induced by ICA might mediate the additive effect with the immune checkpoint inhibitor.
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