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Opinion Review
Copyright: ©Author(s) 2026.
World J Gastroenterol. Aug 14, 2026; 32(30): 118763
Published online Aug 14, 2026. doi: 10.3748/wjg.118763
Table 1 Summary of recent systematic reviews and meta-analyses on prophylactic hyperthermic intraperitoneal chemotherapy in gastric cancer
Ref.
Study type
Inclusion period
Included studies
Sample size (HIPEC/control)
Stefano et al[7], 2024Systematic review and meta-analysis1988-202216 RCTs (14 prophylactic + 2 therapeutic)1641
Diamantis et al[8], 2025Systematic Review1988-202114 RCTs + 16 nonRCTs (all prophylactic)RCTs: 1383 (627/756); non-RCTs: 1647 (609/1038)
Chen et al[12], 2025Meta-analysis2004-202212 RCTs (5 therapeutic + 7 prophylactic)1181 (540/641)
D’Acapito et al[15], 2025Systematic Review2010-202413 prospective studies (8 therapeutic + 5 prophylactic)985 [prophylactic: 644 (331/313)]
Zhang et al[16], 2026Systematic review and meta-analysisUntil April 20259 RCTs (all prophylactic)1021 (487/534)
Table 2 Ongoing phase III randomized controlled trials of prophylactic hyperthermic intraperitoneal chemotherapy for gastric cancer
Trial name
Registration number
Eligible population
Intervention
Primary endpoint
Estimated completion
Region
D2 resection and HIPEC in locally advanced gastric carcinoma (GASTRICHIP)NCT01882933Locally advanced gastric cancer (T3/T4/N+ or positive peritoneal cytology)D2 gastrectomy ± HIPEC (oxaliplatin)OSMay 2026France
Efficacy of HIPEC in the treatment of locally advanced gastric cancer after radical gastrectomy with D2 (EHTLAGCRGD2)NCT02356276Locally advanced gastric cancer (cT3/T4, Nx, M0)Surgery + systemic chemotherapy ± repeated paclitaxel HIPEC5-year OSJanuary 2022China
Prophylactic surgery plus HIPEC with CO2 in patients affected by gastric carcinoma (GOETH study)NCT03917173High-risk gastric cancer (T3/T4/N+ or positive peritoneal cytology)Radical gastrectomy ± HIPEC with CO2 (mitomycin C + cisplatin)DFSJune 2025Italy
HIPEC + FLOT vs FLOT alone in patients with gastric cancer and GEJ (PREVENT)NCT04447352Resectable locally advanced gastric/gastroesophageal junction cancer (≥ cT3 any N)Perioperative FLOT ± prophylactic HIPECPFS/DFSMay 2027Germany
Laparoscopic gastrectomy with D2 lymphadenectomy combined with HIPEC or notNCT05871099Patients with locally advanced gastric cancer undergoing laparoscopic D2 radical gastrectomyLaparoscopic (robotic) D2 surgery + HIPEC (2 times) + systemic ± prophylactic HIPEC5-year RFSDecember 2030China


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