• Br J Surg · Oct 2020

    Multicenter Study

    Treatment of PERItoneal disease in Stomach Cancer with cytOreductive surgery and hyperthermic intraPEritoneal chemotherapy: PERISCOPE I initial results.

    • R T van der Kaaij, E C E Wassenaar, W J Koemans, K Sikorska, C Grootscholten, M Los, A Huitema, Schellens J H M JHM >Department of Clinical Pharmacology, Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands., Veenhof A A F A AAFA Department of Surgical Oncology, Amsterdam, the Netherlands., K J Hartemink, Aalbers A G J AGJ Department of Surgical Oncology, Amsterdam, the Netherlands., B van Ramshorst, D Boerma, H Boot, and J W van Sandick.
    • Department of Surgical Oncology, Amsterdam, the Netherlands.
    • Br J Surg. 2020 Oct 1; 107 (11): 1520-1528.

    BackgroundThe role of cytoreductive surgery combined with hyperthermic intraperitoneal chemotherapy (HIPEC) in gastric cancer is unknown. This non-randomized dose-finding phase I-II study was designed to assess the safety and feasibility of HIPEC, following systemic chemotherapy, in patients with gastric cancer and limited peritoneal dissemination. The maximum tolerated dose of normothermic intraperitoneal docetaxel in combination with a fixed dose of intraperitoneal oxaliplatin was also explored.MethodsPatients with resectable cT3-cT4a gastric adenocarcinoma with limited peritoneal metastases and/or tumour-positive peritoneal cytology were included. An open HIPEC technique was used with 460 mg/m2 hyperthermic oxaliplatin for 30 min followed by normothermic docetaxel for 90 min in escalating doses (0, 50, 75 mg/m2 ).ResultsBetween 2014 and 2017, 37 patients were included. Of 25 patients who completed the full study protocol, four were treated at dose level 1 (0 mg/m2 docetaxel), six at dose level 2 (50 mg/m2 ) and four at dose level 3 (75 mg/m2 ). At dose level 3, two dose-limiting toxicities occurred, both associated with postoperative ileus. Thereafter, another 11 patients were treated at dose level 2, with no more dose-limiting toxicities. Based on this, the maximum tolerated dose was 50 mg/m2 intraperitoneal docetaxel. Serious adverse events were scored in 17 of 25 patients. The reoperation rate was 16 per cent (4 of 25) and the treatment-related mortality rate was 8 per cent (2 patients, both in dose level 3).ConclusionGastrectomy combined with cytoreductive surgery and HIPEC was feasible using 460 mg/m2 oxaliplatin and 50 mg/m2 normothermic docetaxel.© 2020 BJS Society Ltd Published by John Wiley & Sons Ltd.

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