Trial · NCT01777568
Supplemental Oxygen in Colorectal Surgery: A Quality Improvement Project
NCT01777568, Not applicable, Completed, The Cleveland Clinic; results first posted 2019-04-05
3 sourcestrials-2026-11-12-0.4.0
Cite this record
ConductScience Library. Supplemental Oxygen in Colorectal Surgery: A Quality Improvement Project. Trials, record NCT01777568. Release trials-2026-11-12-0.4.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT01777568
On this page
Trial
As registered on ClinicalTrials.gov, in the graph's capture of the registry.
- Title
- Supplemental Oxygen in Colorectal Surgery: A Quality Improvement Project
- NCT number
- NCT01777568
- Status
- Completed
- Phases
- Not applicable
- Enrollment
- 5,749 participants, actual
- Lead sponsor
- The Cleveland Clinic
- Conditions
- 30% Oxygen Concentration During Colorectal Surgery, 80% Oxygen Concentration During Colorectal Surgery
- Interventions
- 30% oxygen, 80% oxygen
- First posted
- 2013-01-29
- Last updated
- 2019-04-05
- Results first posted
- 2019-04-05
Source ClinicalTrials.gov
Registered outcomes2
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
| List | Outcome | Time frame | Description |
|---|---|---|---|
| Primary | Number of Participants With One or More Composite Complications | Postoperative 30 days | A composite of complications: 1. surgical sites infection (organ space / deep) 2. Anastomotic leak 3. Intra-abdominal abscess 4. Sepsis 5. Wound dehiscence 6. Death |
| Secondary | Number of Participants With Superficial SSI (Surgical Site Infection) | Postoperative 30 days | superficial SSI (Surgical Site Infection) |
Source ClinicalTrials.gov
Outcomes2
Each outcome the trial posted results for, in ClinicalTrials.gov's words.
| Type | Outcome | Time frame | Population | Units | Measured as |
|---|---|---|---|---|---|
| PRIMARY | Number of Participants With One or More Composite Complications | Postoperative 30 days | Participants | COUNT_OF_PARTICIPANTS | |
| SECONDARY | Number of Participants With Superficial SSI (Surgical Site Infection) | Postoperative 30 days | Participants | COUNT_OF_PARTICIPANTS |
Source ClinicalTrials.gov
Results by group4
Each measurement the trial posted, group by group, in the words and numbers it posted.
| Outcome | Group | Category | Value | Spread | Units |
|---|---|---|---|---|---|
| Number of Participants With One or More Composite Complications | 30% Oxygen | 314 | Participants | ||
| Number of Participants With One or More Composite Complications | 80% Oxygen | 314 | Participants | ||
| Number of Participants With Superficial SSI (Surgical Site Infection) | 30% Oxygen | 183 | Participants | ||
| Number of Participants With Superficial SSI (Surgical Site Infection) | 80% Oxygen | 150 | Participants |
Source ClinicalTrials.gov
Participant flow6
How many started, completed or left each group, period by period.
| Period | Milestone | Group | Participants | Units counted |
|---|---|---|---|---|
| Overall Study | STARTED | 30% Oxygen | 2,853 | |
| Overall Study | STARTED | 80% Oxygen | 2,896 | |
| Overall Study | COMPLETED | 30% Oxygen | 2,853 | |
| Overall Study | COMPLETED | 80% Oxygen | 2,896 | |
| Overall Study | NOT COMPLETED | 30% Oxygen | 0 | |
| Overall Study | NOT COMPLETED | 80% Oxygen | 0 |
Source ClinicalTrials.gov
Adverse events12
Each adverse event the trial posted, group by group: the participants affected out of those at risk.
| Type | Event | Organ system | Group | Affected | At risk | Events |
|---|---|---|---|---|---|---|
| other | uperficial SSI | Infections and infestations | 30% Oxygen | 183 | 2,853 | 183 |
| other | uperficial SSI | Infections and infestations | 80% Oxygen | 150 | 2,896 | 150 |
| serious | SSI (organ space/deep) | Infections and infestations | 30% Oxygen | 112 | 2,853 | 112 |
| serious | SSI (organ space/deep) | Infections and infestations | 80% Oxygen | 118 | 2,896 | 118 |
| serious | Anastomotic leak | Infections and infestations | 30% Oxygen | 36 | 2,853 | 36 |
| serious | Anastomotic leak | Infections and infestations | 80% Oxygen | 34 | 2,896 | 34 |
| serious | Intra-abdominal abscess | Infections and infestations | 30% Oxygen | 143 | 2,853 | 143 |
| serious | Intra-abdominal abscess | Infections and infestations | 80% Oxygen | 133 | 2,896 | 133 |
| serious | sepsis | Infections and infestations | 30% Oxygen | 94 | 2,853 | 94 |
| serious | sepsis | Infections and infestations | 80% Oxygen | 96 | 2,896 | 96 |
1 to 10 of 12Source ClinicalTrials.gov
See all 12 adverse eventsAdverse event totals6
The totals the trial posted for each group.
| Total | Group | Affected | At risk |
|---|---|---|---|
| Total, all-cause mortality | 30% Oxygen | 10 | 2,853 |
| Total, all-cause mortality | 80% Oxygen | 20 | 2,896 |
| Total, other adverse events | 30% Oxygen | 183 | 2,853 |
| Total, other adverse events | 80% Oxygen | 150 | 2,896 |
| Total, serious adverse events | 30% Oxygen | 314 | 2,853 |
| Total, serious adverse events | 80% Oxygen | 314 | 2,896 |
Source ClinicalTrials.gov
Papers3
The papers the trial lists on ClinicalTrials.gov.
Grants0
The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.
None in this release.
Trial comparisons4
Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.
| Comparison | Source |
|---|---|
| 30% Oxygen vs 80% Oxygen: Number of Participants With Superficial SSI (Surgical Site Infection) | Trial comparisons |
| 30% Oxygen vs 80% Oxygen: deaths from any cause | Trial comparisons |
| 30% Oxygen vs 80% Oxygen: Number of Participants With One or More Composite Complications | Trial comparisons |
| 30% Oxygen vs 80% Oxygen: serious adverse events | Trial comparisons |
Tests0
The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.
None in this release.
Source
- Release
- trials-2026-11-12-0.4.0
- Release manifest SHA-256
- 0f4a8d8c48aee2a7573ae0fa94ecbeab70c1adbe449bbc95c424bc7d3e97b9d4
- Registry capture
- 2026-11-12
- Results copy, AACT
- 2026-03-23
- NIH clinical studies file
- 2026-11-13
Source ClinicalTrials.gov
Sources 3
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNone stated
- NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
- NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.
For software
Read this trial from software.
The record and each of its lists are JSON, twenty rows a page. No key.
GET https://conductscience.org/api/trials/v1/NCT01777568
GET https://conductscience.org/api/trials/v1/NCT01777568/registered