Morbid ObesityNCT02859597
Use of High Flow Nasal Cannula During Sedation of Morbidly Obese Patients in the Endoscopy Suite
A study testing High flow nasal cannula and Nasal Cannula in people with Morbid Obesity and Noninvasive Ventilation, run by Montefiore Medical Center at 1 site in United States.
Trial summary
This study evaluates the ability of high flow nasal cannula versus nasal cannula to oxygenate morbidly obese patients undergoing moderate to deep sedation for gastrointestinal procedures. Read more about this study
- Who is it for?
- Ages 18 years and olderHealthy volunteers can take part
- Conditions the study is for
- Morbid Obesity, Noninvasive Ventilation, Deep Sedation
- What is being tested?
- High flow nasal cannula and Nasal Cannula
- Type of treatment
- Medical device
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 41 participants
- Where
- 1 siteUnited States
- Study dates
- 28 Dec 2016to 28 Sep 2018
- Phase
- Interventional
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
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 years and older
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- Body Mass Index greater than or equal to 40
- Scheduled for a gastrointestinal endoscopy that requires MAC sedation
Who cannot join
- Body Mass Index less than 40
- Pregnant
- Require either invasive or non-invasive ventilation for respiratory failure
- Use home oxygen
- Ventilation is via a tracheostomy
- The procedure is emergent
Trial locations and contacts
1 site in 1 country.
United States1 site
Montefiore Medical Center
The Bronx, New York, 10467
About this study
Official title: Randomized. Controlled Trial of the Utilization of High Flow Nasal Cannula for Oxygenation of Sedated Morbidly Obese Patients in the Endoscopy Suite
This study evaluates the ability of high flow nasal cannula versus nasal cannula to oxygenate morbidly obese patients undergoing moderate to deep sedation for gastrointestinal procedures.
Read the detailed description
The respiratory physiology of morbidly obese patients is altered due to restriction of the chest wall motion which decreases pulmonary compliance. In addition, anatomical changes lead to an increased incidence of airway obstruction in morbidly obese patients during periods of sedation. Both a typical nasal cannula and high flow nasal cannula provide supplemental oxygen to the patients to prevent desaturation and hypoxia. However, the higher flow rates of high flow nasal cannulas are able to produce allows for washout of carbon dioxide from the respiratory system aiding with ventilation and creates 3 to 5 cm H2O of positive end expiration pressure which helps prevent collapse of the airway aiding with oxygenation.
- Conditions
- Morbid Obesity, Noninvasive Ventilation, Deep Sedation
- Being tested
- High flow nasal cannula, Nasal Cannula
- Medical subject headings
- Obesity, Morbid
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
High flow nasal cannulaDevice
High flow nasal cannula at 50 liters per minute and 50% oxygen will initially be used for oxygenation.
Nasal CannulaDevice
Control group will receive oxygen via standard flow nasal cannula at 5 liters per minute (approximately an FiO2 of 0.35)
| Study group | Role | What they receive |
|---|---|---|
| High Flow Nasal Cannula | Experimental | High flow nasal cannula will be utilized to deliver oxygen to morbidly obese patients undergoing deep sedation for gastrointestinal procedures. Receives: Device: High flow nasal cannula |
| Nasal Cannula | Active comparator | Typical nasal cannula will be utilized to deliver oxygen to morbidly obese patients undergoing deep sedation for gastrointestinal procedures. Receives: Device: Nasal Cannula |
What is being measured
The primary outcome is the main question the study is designed to answer.
Ability to Maintain Oxygenation
The ease at which the Anesthesiologist is able to maintain adequate oxygenation during the period of sedation required for the procedure. the ability of each oxygen device to maintain oxygenation was based on the number of manipulations; more manipulations, the device is less effective at maintaining saturation for this population.
Measured: During the period of sedation, on average up to 1 hour
Secondary outcomes (2)
Number of Participants Requiring Airway Adjuncts During Procedure
The use of airway adjuncts such as oral and nasal airways to insure adequate oxygenation during procedure.
Measured: During the period of sedation, on average up to 1 hour
Number of Participants Who Need an Increase in Fraction of Inspired Oxygen
Need to increase the FiO2 to maintain adequate oxygenation
Measured: During period of sedation, on average up to 1 hour
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted9 Aug 2016 (estimated)
- Study start28 Dec 2016
- Primary completion28 Sep 2018
- Study completion28 Sep 2018
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (6)Papers the sponsor has linked to this study.
- Other trials for Morbid ObesityStudies of the same condition, open and under way.
- More trials run by Montefiore Medical CenterThe sponsor's other registered studies.
- 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
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 41 participants (actual)
Sponsor and investigators
- Lead sponsor
- Montefiore Medical Center
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Jay S Berger, MD, Principal investigator, Montefiore Medical Center
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT02859597
- Sponsor's protocol ID
- 2016-6677
- Status last verified
- Apr 2020
- First submitted
- 4 Aug 2016
- Last updated
- 16 Apr 2020
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
- FDA-regulated device
- Yes
- Individual data sharing
- No
Publications
Berzin TM, Sanaka S, Barnett SR, Sundar E, Sepe PS, Jakubowski M, Pleskow DK, Chuttani R, Sawhney MS. A prospective assessment of sedation-related adverse events and patient and endoscopist satisfaction in ERCP with anesthesiologist-administered sedation. Gastrointest Endosc. 2011 Apr;73(4):710-7. doi: 10.1016/j.gie.2010.12.011. Epub 2011 Feb 12.
PubMed 21316669Nishimura M. High-Flow Nasal Cannula Oxygen Therapy in Adults: Physiological Benefits, Indication, Clinical Benefits, and Adverse Effects. Respir Care. 2016 Apr;61(4):529-41. doi: 10.4187/respcare.04577.
PubMed 27016353Corley A, Caruana LR, Barnett AG, Tronstad O, Fraser JF. Oxygen delivery through high-flow nasal cannulae increase end-expiratory lung volume and reduce respiratory rate in post-cardiac surgical patients. Br J Anaesth. 2011 Dec;107(6):998-1004. doi: 10.1093/bja/aer265. Epub 2011 Sep 9.
PubMed 21908497Kabon B, Nagele A, Reddy D, Eagon C, Fleshman JW, Sessler DI, Kurz A. Obesity decreases perioperative tissue oxygenation. Anesthesiology. 2004 Feb;100(2):274-80. doi: 10.1097/00000542-200402000-00015.
PubMed 14739800Standards of Practice Committee of the American Society for Gastrointestinal Endoscopy; Lichtenstein DR, Jagannath S, Baron TH, Anderson MA, Banerjee S, Dominitz JA, Fanelli RD, Gan SI, Harrison ME, Ikenberry SO, Shen B, Stewart L, Khan K, Vargo JJ. Sedation and anesthesia in GI endoscopy. Gastrointest Endosc. 2008 Nov;68(5):815-26. doi: 10.1016/j.gie.2008.09.029. No abstract available.
PubMed 18984096Rigg JD, Watt TC, Tweedle DE, Martin DF. Oxygen saturation during endoscopic retrograde cholangiopancreatography: a comparison of two protocols of oxygen administration. Gut. 1994 Mar;35(3):408-11. doi: 10.1136/gut.35.3.408.
PubMed 8150356
Study at a glance
From the registry record, last updated by the sponsor on 16 Apr 2020. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Randomized. Controlled Trial of the Utilization of High Flow Nasal Cannula for Oxygenation of Sedated Morbidly Obese Patients in the Endoscopy Suite
- ClinicalTrials.gov ID
- NCT02859597
- Acronym / sponsor ID
- 2016-6677
- Conditions
- Morbid Obesity, Noninvasive Ventilation, Deep Sedation
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 41 participants (actual)
- Lead sponsor
- Montefiore Medical CenterUniversity, hospital or other
- Study start
- 28 Dec 2016 (actual)
- Primary completion
- 28 Sep 2018 (actual)
- Study completion
- 28 Sep 2018 (actual)
- First posted
- 9 Aug 2016 (estimated)
- Results
- Posted 16 Apr 2020
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study evaluates the ability of high flow nasal cannula versus nasal cannula to oxygenate morbidly obese patients undergoing moderate to deep sedation for gastrointestinal procedures.
Detailed description
The respiratory physiology of morbidly obese patients is altered due to restriction of the chest wall motion which decreases pulmonary compliance. In addition, anatomical changes lead to an increased incidence of airway obstruction in morbidly obese patients during periods of sedation. Both a typical nasal cannula and high flow nasal cannula provide supplemental oxygen to the patients to prevent desaturation and hypoxia. However, the higher flow rates of high flow nasal cannulas are able to produce allows for washout of carbon dioxide from the respiratory system aiding with ventilation and creates 3 to 5 cm H2O of positive end expiration pressure which helps prevent collapse of the airway aiding with oxygenation.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| High Flow Nasal Cannula | Experimental | Device: High flow nasal cannulaHigh flow nasal cannula will be utilized to deliver oxygen to morbidly obese patients undergoing deep sedation for gastrointestinal procedures. |
| Nasal Cannula | Active comparator | Device: Nasal CannulaTypical nasal cannula will be utilized to deliver oxygen to morbidly obese patients undergoing deep sedation for gastrointestinal procedures. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (2 listed)
- Body Mass Index greater than or equal to 40
- Scheduled for a gastrointestinal endoscopy that requires MAC sedation
Key exclusion criteria (6 listed)
- Body Mass Index less than 40
- Pregnant
- Require either invasive or non-invasive ventilation for respiratory failure
- Use home oxygen
- Ventilation is via a tracheostomy
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 |
|---|---|---|
| High flow nasal cannulaHigh flow nasal cannula at 50 liters per minute and 50% oxygen will initially be used for oxygenation. | Device | High Flow Nasal Cannula |
| Nasal CannulaControl group will receive oxygen via standard flow nasal cannula at 5 liters per minute (approximately an FiO2 of 0.35) | Device | Nasal Cannula |
Primary outcome
Ability to Maintain Oxygenation
Time frame: During the period of sedation, on average up to 1 hour
The ease at which the Anesthesiologist is able to maintain adequate oxygenation during the period of sedation required for the procedure. the ability of each oxygen device to maintain oxygenation was based on the number of manipulations; more manipulations, the device is less effective at maintaining saturation for this population.
2 secondary outcomes
Number of Participants Requiring Airway Adjuncts During Procedure
Time frame: During the period of sedation, on average up to 1 hour
Number of Participants Who Need an Increase in Fraction of Inspired Oxygen
Time frame: During period of sedation, on average up to 1 hour
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 16 Apr 2020.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Background: PubMed 21316669Berzin TM, Sanaka S, Barnett SR, Sundar E, Sepe PS, Jakubowski M, Pleskow DK, Chuttani R, Sawhney MS. A prospective assessment of sedation-related adverse events and patient and endoscopist satisfaction in ERCP with anesthesiologist-administered sedation. Gastrointest Endosc. 2011 Apr;73(4):710-7. doi: 10.1016/j.gie.2010.12.011. Epub 2011 Feb 12.
- Background: PubMed 27016353Nishimura M. High-Flow Nasal Cannula Oxygen Therapy in Adults: Physiological Benefits, Indication, Clinical Benefits, and Adverse Effects. Respir Care. 2016 Apr;61(4):529-41. doi: 10.4187/respcare.04577.
- Background: PubMed 21908497Corley A, Caruana LR, Barnett AG, Tronstad O, Fraser JF. Oxygen delivery through high-flow nasal cannulae increase end-expiratory lung volume and reduce respiratory rate in post-cardiac surgical patients. Br J Anaesth. 2011 Dec;107(6):998-1004. doi: 10.1093/bja/aer265. Epub 2011 Sep 9.
- Background: PubMed 14739800Kabon B, Nagele A, Reddy D, Eagon C, Fleshman JW, Sessler DI, Kurz A. Obesity decreases perioperative tissue oxygenation. Anesthesiology. 2004 Feb;100(2):274-80. doi: 10.1097/00000542-200402000-00015.
- Background: PubMed 18984096Standards of Practice Committee of the American Society for Gastrointestinal Endoscopy; Lichtenstein DR, Jagannath S, Baron TH, Anderson MA, Banerjee S, Dominitz JA, Fanelli RD, Gan SI, Harrison ME, Ikenberry SO, Shen B, Stewart L, Khan K, Vargo JJ. Sedation and anesthesia in GI endoscopy. Gastrointest Endosc. 2008 Nov;68(5):815-26. doi: 10.1016/j.gie.2008.09.029. No abstract available.
- Background: PubMed 8150356Rigg JD, Watt TC, Tweedle DE, Martin DF. Oxygen saturation during endoscopic retrograde cholangiopancreatography: a comparison of two protocols of oxygen administration. Gut. 1994 Mar;35(3):408-11. doi: 10.1136/gut.35.3.408.
- Individual participant dataSharing planned: No
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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.
Jay S Berger, MD principal investigator
Montefiore Medical Center
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing High flow nasal cannula and Nasal Cannula in people with Morbid Obesity and Noninvasive Ventilation, run by Montefiore Medical Center at 1 site in United States.
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 2 inclusion and 6 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: finished, as of the sponsor's last update on 16 Apr 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 United States. 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?
Yes. Results are posted in the registry (first posted 16 Apr 2020). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Ability to Maintain Oxygenation (time frame: During the period of sedation, on average up to 1 hour). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT02859597, which also lists 6 linked publications.
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 Apr 2020; AzTrials last refreshed its copy on 8 Nov 2026.