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Regular Diet Versus Extended Low Residue After Colon Surgery

Early Introduction of Regular Diet Versus Extended Low Residue Restriction After Colon Surgery

Who can join

Ages 18 and older · All sexes

Inclusion Criteria:

* Adult patients who have elective colon resection with anastomosis

Exclusion Criteria:

* Patients who have an ostomy as part of their surgery
* Patients who undergo emergency surgery
* Patients who do not follow the enhanced recovery protocol (the standard postoperative protocol for patients undergoing elective colon resection)
* Patients less than 18 years of age
* Vulnerable populations: fetuses, pregnant women, children, cognitively impaired, hospital employees, students, healthy controls, prisoners, and other institutionalized individuals

About the study

The goal of this clinical trial is to learn if a 10 day low-residue diet restriction is better for bowel function and quality of life without increasing complications compared to a 6 week low-residue diet restriction after elective colon resection surgery. The main questions it aims to answer are:

Does a shorter time period of low residue restriction result in a faster return to normal bowel function? Are there any differences in complication rate between a 10 day low-residue diet restriction compared to a 6 week low-residue diet restriction?

Participants will be randomized to one of the two diet plans and will be asked to answer surveys about their bowel function and health care related quality of life at various time points for up to 3 months.

What is being tested

• Short term (10 day) low residue diet restriction (other)
• 6 week low residue diet restriction (other)

Sponsor: Northwell Health · Participants: 222 · Started: Sep 19, 2025

Contact the study team

• Andrea Zimmern, MD · Phone: 516-730-2100

Official record on ClinicalTrials.gov — NCT07083076

Locations in the U.S.

From ClinicalTrials.gov, data retrieved Oct 2, 2026. Each study sets its own eligibility; the study team decides who can join.