Inflammatory Bowel DiseasesCO2-IBDNCT03282786
Comparison of Carbon Dioxide (CO2) to Air Insufflation in Colonoscopy in Patients With Inflammatory Bowel Disease
A study testing carbon dioxide insufflation during colonoscopy in people with Inflammatory Bowel Diseases, run by University Hospital Muenster at 1 site in Germany.
Trial summary
Patients with inflammatory bowel disease (IBD) frequently undergo endoscopic examination and may suffer from diagnostic procedures. Independent from IBD patients, colonoscopy is usually performed using air insufflation, however recent data indicates a superior role of carbon dioxide (CO2) as an insufflation gas during… Read more about this study
- Who is it for?
- Ages 18 to 80 years
- Conditions the study is for
- Inflammatory Bowel Diseases
- What is being tested?
- carbon dioxide insufflation during colonoscopy
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 304 participants
- Where
- 1 siteGermany
- Study dates
- 3 Sep 2017to 31 Jan 2022
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 80 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Patient with inflammatory bowel disease
- Indication for colonoscopy
- Age 18-80 years
- signed consent form
Who cannot join
- Consent form not signed
- Age < 18 or above 80 yrs
- Pregnancy or Breast-Feeding
Trial locations and contacts
1 site in 1 country.
Germany1 site, 1 recruiting
- Recruiting
Unversity Clinic Muenster
Münster, North Rhine-Westphalia, 48149
Frank Lenze, MD, PhD, 00492518458103, frank.lenze@uni-muenster.de
About this study
Patients with inflammatory bowel disease (IBD) frequently undergo endoscopic examination and may suffer from diagnostic procedures. Independent from IBD patients, colonoscopy is usually performed using air insufflation, however recent data indicates a superior role of carbon dioxide (CO2) as an insufflation gas during colonoscopy. Using CO2 leads to a lower degree of patient's discomfort. The role of CO2 as an insufflation gas for colonoscopy in IBD patients remains undetermined, wherefore this study aims to address this issue.
Read the detailed description
Patients with inflammatory bowel disease (IBD) suffer from a chronic inflammatory course of disease. To stage the course of disease endoscopic procedures including colonoscopy may be required and especially IBD patients with their inflamed gut may suffer from repetitive endoscopic examinations including colonoscopy. Independent from IBD patients, colonoscopy is usually performed using air insufflation, however recent data indicates a superior role of carbon dioxide (CO2) as an insufflation gas during colonoscopy. Using CO2 leads to a lower degree of patient's discomfort which has been mainly demonstrated in groups of patients undergoing cancer surveillance colonoscopies and who do not suffer from IBD. Therefore the role of CO2 as an insufflation gas for colonoscopy in IBD patients remains undetermined and this study aims to address this issue. For pain assessment a visual analogue scale will be used. As the primary outcome measure, the investigators will compare the differences in pain level 1h after colonoscopy (comparison of carbon dioxide to air insufflation). For the secondary outcome measure the investigators will compare the differences in pain level 3h, 6h and 24h after colonoscopy (comparison of carbon dioxide to air insufflation).
- Conditions
- Inflammatory Bowel Diseases
- Being tested
- carbon dioxide insufflation during colonoscopy
- Keywords
- Inflammatory Bowel Disease, Crohn's Disease, Ulcerative Colitis, Carbon Dioxide (CO2), Colonoscopy
- Medical subject headings
- Inflammatory Bowel Diseases, Crohn Disease, Colitis, Ulcerative
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
carbon dioxide insufflation during colonoscopyOther
Use of Carbon dioxide instead of air insufflation
| Study group | Role | What they receive |
|---|---|---|
| CD patient with CO2 insufflation | Active comparator | The investigators aim to include 76 Crohn's disease (CD) patients undergoing colonoscopy in whom CO2 insufflation during endoscopy should be used. Receives: Other: carbon dioxide insufflation during colonoscopy |
| CD patient with air insufflation | No intervention | The investigators aim to include 76 Crohn's disease patients undergoing colonoscopy in whom air insufflation during endoscopy should be used. |
| UC patient with CO2 insufflation | Active comparator | The investigators aim to include 76 ulcerative colitis patients (UC) undergoing colonoscopy in whom CO2 insufflation during endoscopy should be used. Receives: Other: carbon dioxide insufflation during colonoscopy |
| UC patient with air insufflation | No intervention | The investigators aim to include 76 ulcerative colitis patients undergoing colonoscopy in whom air insufflation during endoscopy should be used. |
What is being measured
The primary outcome is the main question the study is designed to answer.
Comparison of colonoscopy related abdominal pain 1 hour after examination assessed by a visual analogue pain scale in patients with inflammatory bowel disease
For pain assessment a visual analogue scale will be used. For the primary outcome measure, the investigators will compare the difference in pain level 1 hour after colonoscopy (comparison of carbon dioxide to air insufflation).
Measured: Pain level assessment 1 hour after colonoscopy
Secondary outcomes (1)
Comparison of colonoscopy related abdominal pain 3 hours, 6 hours and 24 hours after examination assessed by a visual analogue pain scale in patients with inflammatory bowel disease
For pain assessment a visual analogue scale will be used. For the secondary outcome measure, the investigators will compare the differences in pain level 3 hours, 6 hours and 24 hours after colonoscopy (comparison of carbon dioxide to air insufflation).
Measured: Pain level assessment 3 hours, 6 hours and 24 hours colonoscopy
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted14 Sep 2017
- Study start3 Sep 2017
- Primary completion1 Aug 2021 (estimated)
- Study completion31 Jan 2022 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Inflammatory Bowel DiseasesStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Diagnosis
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind
- Who is masked
- Participant, Care provider, Investigator
- Enrolment
- 304 participants (estimated)
Sponsor and investigators
- Lead sponsor
- University Hospital Muenster
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Frank Lenze, MD, Principal investigator, Department of Medicine B, University Hospital Muenster
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03282786
- Sponsor's protocol ID
- 2017-191-f-S
- Acronym
- CO2-IBD
- Status last verified
- Jun 2020
- First submitted
- 5 Sep 2017
- Last updated
- 16 Jun 2020
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Undecided
Study at a glance
From the registry record, last updated by the sponsor on 16 Jun 2020. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Comparison of Carbon Dioxide (CO2) to Air Insufflation in Colonoscopy in Patients With Inflammatory Bowel Disease
- ClinicalTrials.gov ID
- NCT03282786
- Acronym / sponsor ID
- CO2-IBD / 2017-191-f-S
- Conditions
- Inflammatory Bowel Diseases
- Keywords
- Inflammatory Bowel Disease, Crohn's Disease, Ulcerative Colitis, Carbon Dioxide (CO2), Colonoscopy
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 304 participants (estimated)
- Lead sponsor
- University Hospital MuensterUniversity, hospital or other
- Study start
- 3 Sep 2017 (actual)
- Primary completion
- 1 Aug 2021 (estimated)
- Study completion
- 31 Jan 2022 (estimated)
- First posted
- 14 Sep 2017 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Patients with inflammatory bowel disease (IBD) frequently undergo endoscopic examination and may suffer from diagnostic procedures. Independent from IBD patients, colonoscopy is usually performed using air insufflation, however recent data indicates a superior role of carbon dioxide (CO2) as an insufflation gas during colonoscopy. Using CO2 leads to a lower degree of patient's discomfort. The role of CO2 as an insufflation gas for colonoscopy in IBD patients remains undetermined, wherefore this study aims to address this issue.
Detailed description
Patients with inflammatory bowel disease (IBD) suffer from a chronic inflammatory course of disease. To stage the course of disease endoscopic procedures including colonoscopy may be required and especially IBD patients with their inflamed gut may suffer from repetitive endoscopic examinations including colonoscopy. Independent from IBD patients, colonoscopy is usually performed using air insufflation, however recent data indicates a superior role of carbon dioxide (CO2) as an insufflation gas during colonoscopy. Using CO2 leads to a lower degree of patient's discomfort which has been mainly demonstrated in groups of patients undergoing cancer surveillance colonoscopies and who do not suffer from IBD. Therefore the role of CO2 as an insufflation gas for colonoscopy in IBD patients remains undetermined and this study aims to address this issue. For pain assessment a visual analogue scale will be used. As the primary outcome measure, the investigators will compare the differences in pain level 1h after colonoscopy (comparison of carbon dioxide to air insufflation). For the secondary outcome measure the investigators will compare the differences in pain level 3h, 6h and 24h after colonoscopy (comparison of carbon dioxide to air insufflation).
Study design
- Primary purpose
- Diagnosis
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind (participant, care provider, investigator)
- Number of arms
- 4
| Arm | Type | Receives |
|---|---|---|
| CD patient with CO2 insufflation | Active comparator | Other: carbon dioxide insufflation during colonoscopyThe investigators aim to include 76 Crohn's disease (CD) patients undergoing colonoscopy in whom CO2 insufflation during endoscopy should be used. |
| CD patient with air insufflation | No intervention | –The investigators aim to include 76 Crohn's disease patients undergoing colonoscopy in whom air insufflation during endoscopy should be used. |
| UC patient with CO2 insufflation | Active comparator | Other: carbon dioxide insufflation during colonoscopyThe investigators aim to include 76 ulcerative colitis patients (UC) undergoing colonoscopy in whom CO2 insufflation during endoscopy should be used. |
| UC patient with air insufflation | No intervention | –The investigators aim to include 76 ulcerative colitis patients undergoing colonoscopy in whom air insufflation during endoscopy should be used. |
Who may qualify
- Ages
- 18 to 80 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (4 listed)
- Patient with inflammatory bowel disease
- Indication for colonoscopy
- Age 18-80 years
- signed consent form
Key exclusion criteria (3 listed)
- Consent form not signed
- Age < 18 or above 80 yrs
- Pregnancy or Breast-Feeding
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| carbon dioxide insufflation during colonoscopyUse of Carbon dioxide instead of air insufflation | Other | CD patient with CO2 insufflation, UC patient with CO2 insufflation |
Primary outcome
Comparison of colonoscopy related abdominal pain 1 hour after examination assessed by a visual analogue pain scale in patients with inflammatory bowel disease
Time frame: Pain level assessment 1 hour after colonoscopy
For pain assessment a visual analogue scale will be used. For the primary outcome measure, the investigators will compare the difference in pain level 1 hour after colonoscopy (comparison of carbon dioxide to air insufflation).
1 secondary outcome
Comparison of colonoscopy related abdominal pain 3 hours, 6 hours and 24 hours after examination assessed by a visual analogue pain scale in patients with inflammatory bowel disease
Time frame: Pain level assessment 3 hours, 6 hours and 24 hours colonoscopy
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 16 Jun 2020.
- Individual participant dataSharing planned: Undecided
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Frank Lenze, MD principal investigator
Department of Medicine B, University Hospital Muenster
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing carbon dioxide insufflation during colonoscopy in people with Inflammatory Bowel Diseases, run by University Hospital Muenster at 1 site in Germany.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 4 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: status not confirmed, as of the sponsor's last update on 16 Jun 2020. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Germany. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
Contact Frank Lenze, MD (0049-251-8358103, frank.lenze@uni-muenster.de), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Comparison of colonoscopy related abdominal pain 1 hour after examination assessed by a visual analogue pain scale in patients with inflammatory bowel disease (time frame: Pain level assessment 1 hour after colonoscopy). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 16 Jun 2020; AzTrials last refreshed its copy on 7 Nov 2026.