# Comparing No Mechanical Bowel Preparation With Oral Antibiotics Alone in Patients Undergoing Elective Colon Surgery

> **NCT03663504** · PHASE4 · ACTIVE_NOT_RECRUITING · sponsor: **Ottawa Hospital Research Institute** · enrollment: 630 (actual)

## Conditions studied

- Elective Colon Surgery

## Interventions

- **OTHER:** No Preparation
- **DRUG:** Neomycin and Flagyl

## Key facts

- **NCT ID:** NCT03663504
- **Lead sponsor:** Ottawa Hospital Research Institute
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2018-10-23
- **Primary completion:** 2026-05
- **Final completion:** 2026-07
- **Target enrollment:** 630 (ACTUAL)
- **Last updated:** 2026-01-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03663504

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03663504, "Comparing No Mechanical Bowel Preparation With Oral Antibiotics Alone in Patients Undergoing Elective Colon Surgery". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT03663504. Licensed CC0.

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