Clinical trial Recruiting at 5 sites Phase 2 Interventional Ages 18 and up

Using beetroot juice to improve recovery after colorectal surgery

Official title: Use of Beetroot Juice to Protect Against Postoperative Ileus Following Colorectal Surgery: BEET IT Study

Run by University Hospital, Ghent · NCT05133024 · Data updated 2026-11-12

This study tests if drinking beetroot juice before colorectal surgery can help adults recover faster and reduce complications after the operation.

Quick facts

PhasePhase 2
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment170 (estimated)
SponsorUniversity Hospital, Ghent
Academic / other
Drugs / interventionsradiation
Locations6 sites (Edegem and 5 other locations)
StatusRecruiting
StartedMarch 31, 2021
Main results expectedSeptember 30, 2026
Study endsDecember 30, 2027
Registry record updatedFebruary 10, 2026
Trial IDNCT05133024 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adult patients scheduled for elective laparoscopic colorectal surgery requiring an anastomosis.

Probably not a fit

Patients with a history of inflammatory bowel disease or those currently using gut motility influencing agents may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

The BEET IT study investigates whether preoperative consumption of beetroot juice can enhance gastrointestinal recovery and reduce the duration of postoperative ileus (POI) in adults undergoing laparoscopic colorectal surgery. Participants are randomly assigned to consume either concentrated beetroot juice or a placebo for one week before surgery. The study collects blood, tissue, and fecal samples at various time points to analyze markers related to inflammation, oxidative stress, and gastrointestinal function. Follow-up occurs for three months post-surgery to assess outcomes related to POI.

Why it matters

Potential benefit: If successful, this approach could significantly improve recovery times and reduce complications for patients undergoing colorectal surgery.

How similar studies have gone: While the use of beetroot juice for this specific purpose is novel, other studies have explored the benefits of dietary nitrates in various health contexts with promising results.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adult patients undergoing elective colonic and upper rectum laparoscopic surgery requiring an anastomosis, without the need of conversion

Exclusion Criteria:

General:

* \< 18 years of age
* Pregnancy or breast feeding

Medical:

* Psychiatric pathology capable of affecting comprehension and judgment faculty
* History of inflammatory bowel disease
* Chronic vascular disease affecting the intestines
* Chronic constipation (\<= 2 bowel movements/week)
* Previous abdominal or pelvic radiation treatment
* Recent (\< 3 months before inclusion) or current intra-abdominal infection or inflammation (e.g. diverticulitis, appendicitis, cholecystitis)
* Use of gut motility influencing agents (e.g. tricyclic antidepressants, chronic use of laxatives)
* Use of nitrates (e.g. isosorbide dinitrate, nitroglycerin), including daily consumption of beetroot juice (unless stopped for a month prior to the intervention period)
* Hypotension (\< 100/60 mmHg)
* Uncontrolled diabetes mellitus
* Renal or hepatic insufficiency
* Known allergies or intolerances to beetroot, nitrates/nitrites
* Enrollment in other clinical trials/experiments, unless approved by the Ethics Committee(s)

Surgical:

* History of prior colorectal surgery
* Emergency surgery
* Open surgery
* Colorectal surgery not requiring an anastomosis (e.g. colotomy, wedge resection)
* More than 1 bowel anastomosis planned
* Concomitant surgical procedures required (e.g. resection of liver or lung metastases)
* Protective stoma planned

Where it's running

  • Antwerp University Hospital
    Edegem, Belgium
    Recruiting
  • AZ Sint-Lucas Ghent
    Ghent, Belgium
    Recruiting
  • Ghent University Hospital
    Ghent, Belgium
    Recruiting
  • University Hospital Leuven
    Leuven, Belgium
    Recruiting
  • Vitaz
    Sint-Niklaas, Belgium
    Recruiting
  • Hospital East-Limburg
    Genk, Belgium
    Active not recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.