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Randomized Controlled Trial
. 2011 Feb 8:12:34.
doi: 10.1186/1745-6215-12-34.

Hand-suture versus stapling for closure of loop ileostomy: HASTA-Trial: a study rationale and design for a randomized controlled trial

Thorsten Löffler  1 , Christoph M Seiler, Inga Rossion, Thomas Kijak, Oliver Thomusch, Renè Hodina, Matthias Krüger, Thomas Simon, Thomas Bruckner, Meinhard Kieser, Markus W Büchler, Jürgen Weitz; HASTA Trial Group
Collaborators, Affiliations
Randomized Controlled Trial

Hand-suture versus stapling for closure of loop ileostomy: HASTA-Trial: a study rationale and design for a randomized controlled trial

Thorsten Löffler et al. Trials. .

Abstract

Background: Colorectal cancer is the second most common tumor in developed countries, with a lifetime prevalence of 5%. About one third of these tumors are located in the rectum. Surgery in terms of low anterior resection with mesorectal excision is the central element in the treatment of rectal cancer being the only option for definite cure. Creating a protective diverting stoma prevents complications like anastomotic failure and meanwhile is the standard procedure. Bowel obstruction is one of the main and the clinically and economically most relevant complication following closure of loop ileostomy. The best surgical technique for closure of loop ileostomy has not been defined yet.

Methods/design: A study protocol was developed on the basis of the only randomized controlled mono-center trial to solve clinical equipoise concerning the optimal surgical technique for closure of loop ileostomy after low anterior resection due to rectal cancer.The HASTA trial is a multi-center pragmatic randomized controlled surgical trial with two parallel groups to compare hand-suture versus stapling for closure of loop ileostomy. It will include 334 randomized patients undergoing closure of loop ileostomy after low anterior resection with protective ileostomy due to rectal cancer in approximately 20 centers consisting of German hospitals of all level of health care. The primary endpoint is the rate of bowel obstruction within 30 days after ileostomy closure. In addition, a set of surgical and general variables including quality of life will be analyzed with a follow-up of 12 months. An investigators meeting with a practical session will help to minimize performance bias and enforce protocol adherence. Centers are monitored centrally as well as on-site before and during recruitment phase to assure inclusion, treatment and follow up according to the protocol.

Discussion: Aim of the HASTA trial is to evaluate the efficacy of hand-suture versus stapling for closure of loop ileostomy in patients with rectal cancer.

Trial registration: German Clinical Trial Register Number: DRKS00000040.

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Figures

Figure 1
Figure 1
Stapled side-to-side anastomosis before (a) and after (b) stapling.
Figure 2
Figure 2
Flowchart.
Figure 3
Figure 3
HASTA patient recruitment.
See this image and copyright information in PMC

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