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

Study acronym: REaCT-NSQIP
StatusActive, Not Recruiting
PhasePhase 4
Started2018-10-23
View on ClinicalTrials.gov ↗
Record status
This record was last updated June 16, 2026 (before its estimated August 2026 completion). Its status may not reflect the trial's current state.

Amendment history

2026-06-15
Study Status v13
Primary completion pushed: 2026-05 → 2026-08
Completion pushed: 2026-07 → 2026-10
2026-01-28
Recruiting→Active, Not Recruiting Study Status, Study Design, Contacts/Locations v12
Trial statusRecruiting→Active, Not Recruiting
Study sites7→6
2025-11-14
Study Status v11
Primary completion date2025-09→2026-05
Completion date2026-12→2026-07
2025-07-21
Study Status, Contacts/Locations v10
Study sitesdetails revised at 1 of 7 sites
2025-06-23
Study Identification, Study Status, Study Design, Contacts/Locations, References v9
Enrollment target452→630
Study sites6→7
Show 8 earlier versions
2025-03-18
Study Status, Study Design, Contacts/Locations, References v8
Enrollment target432→452
Study sites5→6
Publicationsdetails revised at 1 of 2 entries
2024-04-02
Study Status, Contacts/Locations v7
Study sites1→5
2023-05-10
Study Status v6
Primary completion date2023-09→2025-09
Completion date2024-12→2026-12
2022-04-19
Study Status, Contacts/Locations v5
Primary completion date2022-09-04→2023-09
Completion date2023-12→2024-12
2020-10-20
Study Status v4
Primary completion date2020-09-04→2022-09-04
Completion date2021-12→2023-12
2020-05-26
Study Status v3
Re-verified, no change to tracked fields
2019-03-01
Not Yet Recruiting→Recruiting Study Status, Contacts/Locations v2
Trial statusNot Yet Recruiting→Recruiting
Start dateestimated 2018-10-01→confirmed 2018-10-23
Study sitesdetails revised at 1 of 1 site
2018-09-27
Study Status v1
Start date2018-09-04→2018-10-01
2018-09-06
Original filing
The REaCT NSQIP will compare oral antibiotics vs. no antibiotics, which are two standards of care treatments for preoperative preparation of the bowel prior to colorectal surgery
Trial Details
NCT Number NCT03663504
Lead Sponsor Ottawa Hospital Research Institute
Conditions Elective Colon Surgery
Enrollment 630 participants
Start Date 2018-10-23
Primary Completion 2026-08 (estimated)
Study Completion 2026-10 (estimated)
Updated on ClinicalTrials.gov 2026-06-16