, Volume 15, Issue 1, pp 339-344
Date: 18 Oct 2007

Pharmacokinetics of Oxaliplatin During Open Versus Laparoscopically Assisted Heated Intraoperative Intraperitoneal Chemotherapy (HIPEC): An Experimental Study

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Hyperthermic intraperitoneal chemotherapy (HIPEC) is being evaluated for patients with minimal residual or no residual disease after primary surgery and chemotherapy for stage III ovarian carcinoma. The technical feasibility of the laparoscopic approach for HIPEC has been demonstrated in a previous study. An experimental study on the porcine model was carried out to compare oxaliplatin pharmacokinetics during a laparoscopic-assisted procedure versus the coliseum technique for HIPEC.


Adult pigs received an HIPEC procedure that was based on 460 mg/m2 of oxaliplatin over 30 minutes with a perfusate heated at 41°C to 43°C. The HIPEC drains were placed in the upper and lower quadrants of the abdomen. Peritoneal fluid and blood samples were collected every 10 minutes during the procedure, and the pharmacokinetics of oxaliplatin was studied.


Two groups of 10 adult pigs were studied. All the procedures were successfully completed with an adequate intra-abdominal temperature and distribution. No major technical problems were encountered. At the end of the HIPEC, 41.5% of the molecule was absorbed in the laparoscopic group compared with 33.4% in the laparotomy group (P = .0543). Peritoneal oxaliplatin half-life (T½) was significantly faster in the laparoscopic procedure (median, 37.5 vs. 59.3 minutes, P = .02). The area under the curve ratio of peritoneal to plasma reflects a more important oxaliplatin crossing through the peritoneal barrier in the laparoscopic procedure (ratio, 16.4 in the closed procedure vs. 28.1 in the open one; P = .03).


This study confirms the technical feasibility and reliability of the laparoscopic approach for HIPEC, and it extends knowledge concerning peritoneal drug absorption. Oxaliplatin absorption is far higher with laparoscopy in terms of time course in peritoneal perfusion. Clinical application in selected patients may be expected after further experimental investigation designed to define the adequate drug dosage.