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Can a small pressure drop make prolapse surgery less painful?

NCT ID NCT07786337

Symptom relief Sponsor: University of Calgary Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 26, 2026 · Last updated Aug 27, 2026 · Updated 1 time

Summary

This trial asks whether using a lower gas pressure (10 mm Hg) inside the abdomen during laparoscopic uterosacral suspension surgery—a procedure to correct pelvic organ prolapse—can reduce post-operative pain compared to the standard pressure (15 mm Hg). About 164 adults scheduled for this surgery will be randomly assigned to one of the two pressure levels. Researchers will measure pain scores and painkiller use in the days after surgery, while also checking that surgeons still have good visibility to perform the procedure safely.

What this could mean

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

Active substance
Low intraabdominal pressure (10 mm Hg) versus standard pressure (15 mm Hg) during laparoscopic surgery
What this could lead to
If lower pressure works, it could offer a simple way to ease pain after laparoscopic prolapse surgery without compromising surgeon visibility.
What could go wrong
This is a relatively small trial, and lower pressure might not reduce pain enough to matter—or it could make it harder for surgeons to see, potentially affecting safety or outcomes.

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

About 164 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Feb 2028

An estimate. End dates often move.

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 years and older

Sex

Female participants only

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: * ≥18 years of age * planned laparoscopic uterosacral suspension surgery of the uterus or vaginal vault * patients with planned concomitant prolapse, hysterectomy, or anti-incontinence surgeries will be included Exclusion Criteria: * non-urogynecologic procedures, or conversion to open abdominal surgery will be excluded as additional or alternative sites of pain may contribute to possible confounding for the primary outcome of postoperative pain

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Conditions

The condition(s) this trial relates to.

pelvic organ prolapse

As listed by the trial registrant

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

Pelvic organ prolapse

How to take part

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  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

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