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Could a tiny dose of morphine make C-Section recovery less painful?

NCT ID NCT06797973

Symptom relief Sponsor: Anne Juul Wikkelsø Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 11, 2026 · Updated 1 time

Summary

This study is testing whether adding a small amount of morphine to the standard spinal anesthesia can improve pain control after a planned C-section, without causing serious side effects for mothers or babies. About 1,300 women will be randomly assigned to receive either morphine or a placebo (salt water) in their spinal injection. All participants will also get standard painkillers after surgery. Researchers will track pain levels, side effects, and any serious complications.

What this could mean

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

Active substance
morphine
What this could lead to
If it works, this could provide a simple way to reduce pain after C-section without needing extra strong painkillers.
What could go wrong
This is a phase 4 trial, so the drug is already approved, but the low dose may not work well enough, or side effects like nausea or breathing problems could outweigh benefits.

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 1,312 people

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

Started

Jul 2025

Expected to finish

Jun 2027

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: * Patients ≥ 18 years * Singleton pregnancy * Scheduled for planned caesarean section performed under spinal anaesthesia * Written informed consent Exclusion Criteria: * Allergy to or contraindications towards trial medication * Patients planned for postoperative epidural due to expected difficult postoperative pain management * Patients planned for combined spinal-epidural as primary anaesthesia * Inability to understand and read Danish * Previous inclusion in the trial

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Conditions

The condition(s) this trial relates to.

Pain, Postoperative

As listed by the trial registrant

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

Caesarean section Postoperative pain

How to take part

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

  1. The places running it

    9 sites. 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

  • Aarhus University Hospital

    RECRUITING

    Aarhus, 8200, Denmark

  • Copenhagen University Hospital - Amager and Hvidovre, Hvidovre

    RECRUITING

    Hvidovre, 2650, Denmark

  • Copenhagen University Hospital - Herlev and Gentofte, Herlev

    RECRUITING

    Herlev, 2730, Denmark

  • Copenhagen University Hospital - North Zealand, Hillerød

    RECRUITING

    Hillerød, 3400, Denmark

  • Copenhagen University Hospital - Rigshospitalet

    RECRUITING

    Copenhagen, 2100, Denmark

  • Regional Hospital Horsens

    RECRUITING

    Horsens, 8700, Denmark

  • University Hospital of Southern Denmark - Lillebælt Hospital, Kolding

    RECRUITING

    Kolding, 6000, Denmark

  • University Hospital of Southern Denmark - Odense University Hospital

    RECRUITING

    Odense C, 5000, Denmark

  • Zealand University Hospital

    RECRUITING

    Roskilde, 4000, Denmark

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