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Spraying painkiller on diaphragm may stop Post-Surgery shoulder pain

NCT ID NCT07400146

Symptom relief Sponsor: Cedars-Sinai Medical Center 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether spraying a numbing medicine (bupivacaine with epinephrine) over the diaphragm during laparoscopic gynecologic surgery can reduce shoulder pain afterward. About 100 women will be randomly assigned to receive the spray or a placebo. The main goal is to see if pain scores are lower 24 hours after surgery.

What this could mean

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

Active substance
bupivacaine with epinephrine
What this could lead to
If it works, this could offer a simple, low-cost way to reduce bothersome shoulder pain after laparoscopic surgery.
What could go wrong
This is a small, early-phase trial with only 100 participants. The benefit may be small or not apply to all patients. Risks include side effects from the drug.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 100 people

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

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

Aug 2026

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

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: * Provide a signed and dated informed consent form * Stated willingness to comply with all study procedures and availability for the duration of the study * 8 years of age or older * Undergoing laparoscopic surgery at Cedars-Sinai Medical Center with a surgeon in the Minimally Invasive Gynecologic Surgery division. Exclusion Criteria: * Pregnancy * Urgent/non-scheduled surgery * Scheduled for planned or possible concomitant non-gynecologic surgery (e.g., urologic or colorectal procedure) * Baseline shoulder pain * Baseline opioid use * Baseline of chronic pain syndrome * Conversion to open surgery * Allergy or intolerance to bupivacaine, lidocaine (or amide class of anesthetics), oxycodone, acetaminophen, or ibuprofen * Planned post-operative admission

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Conditions

The condition(s) this trial relates to.

Pain, Postoperative Shoulder Pain

As listed by the trial registrant

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

Postoperative pain Shoulder pain

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. 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 ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Cedars Sinai Medical Center

    Los Angeles, California, 90048, United States

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