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Cannabis Users' stomachs checked before surgery: surprising findings?

NCT ID NCT06567873

Knowledge-focused Sponsor: Hospital for Special Surgery, New York 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at 40 people who used cannabis within a month before surgery. Researchers used a bedside ultrasound to measure stomach contents and volume, checking if cannabis use leads to delayed stomach emptying. The goal was to better understand how cannabis might affect surgical safety.

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

40 people

The number who actually took part.

Started

May 2025

Finished

Oct 2025

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

The study population will be comprised of patients scheduled for surgery at HSS who meet the following inclusion criteria and none of the exclusion criteria.

Ages

18 to 99 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Any patient reporting preoperative cannabis usage within 1 month of surgery date Exclusion Criteria: * Patient refusal to participate * Patient with gastric bypass or any other gastric surgery * Large hiatal hernia * Patients with large ascites * Patients on peritoneal dialysis * Emergency surgery * Pre-existing diagnosis of gastroparesis * Parkinson's disease * Diabetes * Currently taking metformin * Chronic kidney disease stage 3 or higher * Creatinine ≥ 1.2 * Esophageal surgery * Currently taking GLP1 agonist medication

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Conditions

The condition(s) this trial relates to.

cannabis dependence

As listed by the trial registrant

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

Cannabis use Gastric ultrasound Point-of-care ultrasound

Contacts and locations

Locations

  • Hospital for Special Surgery

    New York, New York, 10021, United States

More trials for these conditions

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