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Sleep apnea tests may predict endoscopy risks in heavier patients

NCT ID NCT03436381

Knowledge-focused Sponsor: The Cleveland Clinic Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at whether having a higher body mass index (BMI) and using simple sleep apnea screening questionnaires can predict breathing or sedation-related problems during endoscopy. Researchers enrolled 350 adults with a BMI of 25 or higher who were scheduled for an upper endoscopy or colonoscopy. Participants filled out two sleep apnea screening forms before their procedure, and the team tracked any adverse events during the endoscopy.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could help doctors identify patients at higher risk for complications during endoscopy, leading to safer procedures.
What could go wrong
This is an observational study, not a treatment trial. The results may not apply to all patients or settings, and the questionnaires may not be perfectly accurate.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

350 people

The number who actually took part.

Started

Feb 2018

Finished

Dec 2021

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patient presenting to endoscopy unit for routine esophagogastrodudenoscopy, colonoscopy or both who have a BMI equal or greater than 25 kg/m2.

Ages

18 years and older

Sex

Anyone

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Undergoing elective upper endoscopy or colonoscopy 2. Body mass index equal or greater than 25 kg/m2 Exclusion Criteria: 1. Patients \<18 years of age 2. pregnant women 3. lung disease requiring oxygen 4. oxygen saturation less or equal to 90% at the beginning of endoscopy 5. BMI \<25 6. ASA ≥4 7. Inability to obtain consent

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Conditions

The condition(s) this trial relates to.

obesity disorder sleep apnea syndrome

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Adverse event Sleep apnea

Contacts and locations

Locations

  • Cleveland Clinic Florida

    Weston, Florida, 33331, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.