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Annals of Surgical Oncology

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Phase II Trial of Laparoscopic Hyperthermic Intraperitoneal Chemoperfusion for Peritoneal Carcinomatosis or Positive Peritoneal Cytology in Patients with Gastric Adenocarcinoma

Brian Badgwell MD, MS, Mariela Blum MD, Prajnan Das MD, Jeannelyn Estrella MD, Xuemei Wang MS, Linus Ho MD, Keith Fournier MD, Richard Royal MD, Paul Mansfield MD, Jaffer Ajani MD
Gastrointestinal Oncology
Volume 24, Issue 11 / October , 2017



The aim of this phase II study was to perform neoadjuvant hyperthermic intraperitoneal chemoperfusion (HIPEC) via a minimally invasive approach without cytoreduction for patients with gastric cancer and positive peritoneal cytology or low-volume peritoneal carcinomatosis.


Patients with gastric or gastroesophageal adenocarcinoma and positive peritoneal cytology or radiologically occult peritoneal carcinomatosis after systemic chemotherapy received laparoscopic HIPEC with mitomycin C 30 mg and cisplatin 200 mg. Patients whose peritoneal disease resolved were offered gastrectomy. The primary endpoint was overall survival (OS), with secondary endpoints of HIPEC complications and gastrectomy rate.


We enrolled 19 patients (6 with positive peritoneal cytology only and 13 with peritoneal carcinomatosis) and treated them with 38 laparoscopic HIPEC procedures. Patients had received a median of 8 cycles (range 3–12) of systemic chemotherapy prior to enrollment. Fourteen patients were also treated with chemoradiotherapy before or between cycles of HIPEC. The complication rate for HIPEC was 11% (4 of 38 procedures), the 30-day mortality rate was 0%, and the median length of hospital stay after HIPEC was 3 days (range 2–6). Five patients went on to receive gastrectomy. The median follow-up was 18.9 months, the median OS from the date of diagnosis of metastatic disease was 30.2 months, and the median OS from the first laparoscopic HIPEC was 20.3 months.


Laparoscopic HIPEC was well tolerated, and an encouraging number of patients demonstrated an absence of peritoneal disease after HIPEC and were able to undergo gastrectomy. Comparative studies will be required to clarify survival benefits.

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