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2018 ASCO Annual Meeting!

Session: Gastrointestinal (Colorectal) Cancer

Type: Oral Abstract Session

Time: Tuesday June 5, 9:45 AM to 12:45 PM

Location: Hall D1

A UNICANCER phase III trial of hyperthermic intra-peritoneal chemotherapy (HIPEC) for colorectal peritoneal carcinomatosis (PC): PRODIGE 7.


Gastrointestinal (Colorectal) Cancer

2018 ASCO Annual Meeting

Abstract No:

J Clin Oncol 36, 2018 (suppl; abstr LBA3503)

Author(s): François Quenet, Dominique Elias, Lise Roca, Diane Goere, Laurent Ghouti, Marc Pocard, Olivier Facy, Catherine Arvieux, Gerard Lorimier, Denis Pezet, Frederic Marchal, Valeria Loi, Pierre Meeus, Hélène De Forges, Trevor Stanbury, Jacques Paineau, Olivier Glehen, UNICANCER-GI Group and the French BIG-Renape Group; Institut Régional du Cancer de Montpellier, Montpellier, France; Gustave Roussy, Villejuif, France; Institut Regional du Cancer Montpellier Val d'Aurelle, Montpellier, France; Institut Gustave Roussy, Villejuif, France; Centre Hospitalier PURPAN, Toulouse, France; Hopital Lariboisiere AP-HP, Service de Chirurgie Digestie et Cancérologie, Paris, France; CHU DU BOCAGE, Dijon, France; CHU La Tronche, Grenoble, France; ICO Paul Papin, Angers, France; CHU, Clermond-Ferrand, France; Institut de Cancérologie de Lorraine, Nancy, France; Hôpital Tenon, Paris, France; Centre Léon Bérard, Lyon, France; Institut régional du Cancer de Montpellier (ICM), Montpellier, France; UNICANCER, Paris, France; ICO René Gauducheau, Nantes, France; Centre Hospitalier Lyon-Sud, Hospices Civils de Lyon, Pierre-Bénite, France

Abstract Disclosures


Background: Promising results have been obtained during the last decade using cytoreductive surgery (CRS) plus HIPEC for selected patients with colorectal PC who are amenable to complete macroscopic resection. This is the first trial to evaluate the specific role of HIPEC, after CRS, for the treatment of PC of colorectal origin. Methods: Prodige 7 is a randomized phase III, multicenter trial. Patients with histologically proven and isolated PC, peritoneal cancer index (PCI) ≤25 were eligible. Randomization (1:1) was stratified by center, complete macroscopic resection (R0/1 vs R2), and neoadjuvant systemic chemotherapy. Patients were treated with CRS plus HIPEC with oxaliplatin or CRS alone, in association with systemic chemotherapy. The primary endpoint was the overall survival (OS). Secondary endpoints were relapse-free survival (RFS) and toxicity. 264 patients were required to show a gain in median OS from 30 to 48 months (HR = 0.625) with a two-sided α = 0,046 and 80% power. Results: 265 patients from 17 centers were included between February 2008 and January 2014: 132 in Arm without HIPEC and 133 in Arm with HIPEC. The median age was 60 years (range: 30-74). Baseline characteristics were well balanced. The overall post-operative mortality rate was 1.5% and was not different between the two arms. The morbidity rates did not differ statistically at 30 days. At 60 days, the grade 3-5 morbidity rate was significantly higher with HIPEC (24.1% vs. 13.6%, p= 0.030). After a median follow up of 63.8 months (95% CI: 58.9-69.8), the median OS was 41.2 months (95% CI 35.1-49.7) in the non-HIPEC Arm and 41.7 months (95% CI: 36.2-52.8) in the HIPEC Arm, HR = 1.00 (95% CI: 0.73-1.37) p = 0.995. The median RFS was 11.1 months (95% CI: 9-12.7) in non-HIPEC Arm and 13.1 months (95% CI: 12.1-15.7) in HIPEC Arm, HR = 0.90 (95% CI: 0.69-1.90) (p = 0.486), whilst the 1-year RFS rates were 46.1% in non-HIPEC Arm and 59 % in the HIPEC Arm. Conclusions: The therapeutic curative management of PC from colorectal cancer by CRS shows satisfactory survival results. While the addition of HIPEC with oxaliplatin does not influence the OS. Clinical trial information: NCT00769405

Other Abstracts in this Sub-Category:


1. Preoperative chemoradiotherapy and postoperative chemotherapy with capecitabine +/- oxaliplatin in locally advanced rectal cancer: Final results of PETACC-6.

Meeting: 2018 ASCO Annual Meeting Abstract No: 3500 First Author: Hans-Joachim Schmoll
Category: Gastrointestinal (Colorectal) Cancer - Local-Regional


2. Modified FOLFOX6 with or without radiation in neoadjuvant treatment of locally advanced rectal cancer: Final results of the Chinese FOWARC multicenter randomized trial.

Meeting: 2018 ASCO Annual Meeting Abstract No: 3502 First Author: Yanhong Deng
Category: Gastrointestinal (Colorectal) Cancer - Local-Regional


3. RIA: Randomized phase II study comparing induction (I) mFOLFOX6 with or without aflibercept followed by chemoradiation (CRT) and total mesorectal excision (TME) in high risk-rectal cancer. GEMCAD 14-02 trial.

Meeting: 2018 ASCO Annual Meeting Abstract No: 3518 First Author: Carlos Fernandez-Martos
Category: Gastrointestinal (Colorectal) Cancer - Local-Regional