This site became the new on June 19th. Learn more.
Show more Menu IMPORTANT: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study. Read more... Menu IMPORTANT: Talk with a trusted healthcare professional before volunteering for a study. Read more... Menu
Give us feedback

Gastrografin in Postoperative Ileus (GAP)

This study has been completed.
Information provided by (Responsible Party):
A/Prof Ian Bissett, University of Auckland, New Zealand Identifier:
First received: July 24, 2012
Last updated: July 2, 2014
Last verified: July 2014

After abdominal surgery there is a period of unavoidable dysfunction of the gut. During this time patients are often unable to eat and drink, and do not pass any flatus or stool. Though this resolves within a few days for most, there are a significant number (around 30%) who go on to have a prolonged period of this dysfunction known clinically as postoperative ileus. It has been clearly shown that this group of patients have worse health outcomes and spend a longer time in hospital.

The aim of this study is to trial a drug - gastrografin - in the management of prolonged postoperative ileus. Gastrografin is safe, economical, readily available, and has been used with great success in the similar condition of bowel obstruction. It is predicted that gastrografin will shorten the duration of a prolonged postoperative ileus, thus affording affected patients a better outcome from surgery.

Condition Intervention Phase
Prolonged Postoperative Ileus Drug: Gastrografin Drug: Placebo Phase 2 Phase 3

Study Type: Interventional
Official Title: Randomised Double-blind Placebo-controlled Trial of Gastrografin in the Therapeutic Management of Prolonged Postoperative Ileus Following Elective Surgery.

Resource links provided by NLM:

Further study details as provided by A/Prof Ian Bissett, University of Auckland, New Zealand:

Primary Outcome Measures:
  • Time from diagnosis (and administration of study drug) to resolution of prolonged postoperative ileus.

Secondary Outcome Measures:
  • Length of hospital stay (days) [ Time Frame: Days ]

Study Start Date: September 2012
Study Completion Date: July 2014
Primary Completion Date: July 2014 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Gastrografin Drug: Gastrografin
Placebo Comparator: Placebo Drug: Placebo


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Age > 18 years.
  • Current inpatient following elective laparoscopic or open surgery.
  • Classified as having prolonged postoperative ileus.
  • Able to understand risks/benefits of the study.
  • Able to give informed consent.

Exclusion Criteria:

  • Pregnancy.
  • ASA of 4 or greater.
  • Previous allergic reaction to gastrografin or iodinated contrast agents.
  • Manifest hyperthyroidism.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01648972

New Zealand
Auckland City Hospital
Auckland, AKL, New Zealand, 1010
Sponsors and Collaborators
University of Auckland, New Zealand
  More Information

Responsible Party: A/Prof Ian Bissett, Associate Professor, University of Auckland, New Zealand Identifier: NCT01648972     History of Changes
Other Study ID Numbers: UOA-ggRCT1
Study First Received: July 24, 2012
Last Updated: July 2, 2014

Additional relevant MeSH terms:
Intestinal Obstruction
Intestinal Diseases
Gastrointestinal Diseases
Digestive System Diseases processed this record on August 17, 2017