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Timing is everything: new study aims to make stomach scopes smoother

NCT ID NCT07471893

Symptom relief Sponsor: Huizhou First Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 the best time to give a combination of two sedatives (remimazolam and remifentanil) during a painless stomach scope exam. 342 healthy adults took part to see if changing when the drugs are given reduces side effects like coughing, body movement, and drops in blood pressure or oxygen. The goal is to make the procedure safer and more comfortable.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

342 people

The number who actually took part.

Started

May 2024

Finished

Dec 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.

Ages

18 to 60 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * ASA physical status Ⅰ/Ⅱ, BMI 18-24kg/m², scheduled for elective diagnostic painless gastroscopy Exclusion Criteria: * (1) Allergy to remimazolam, remifentanil, BZDs, or opioids; (2) Difficult airway (Mallampati class Ⅲ/Ⅳ,limited mandibular movement, or restricted neck extension);(3)Severe cardiovascular/cerebrovascular/respiratory/hepatic/renal dysfunction;(4)Pregnancy/lactation;(5)Chronic use of sedatives/analgesics/psychotropic drugs; (6) Preoperative pulmonary infection/respiratory failure; (7) Inability to provide informed consent or complete follow-up.

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As listed by the trial registrant

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

Healthy volunteers

Contacts and locations

Locations

  • Huizhou First People's Hospital

    Huizhou, Guangdong, China

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