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New study aims to reduce itching from labor pain relief

NCT ID NCT07187427

Symptom relief Sponsor: St. Justine's 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at two common methods of giving fentanyl for pain relief during labor: one injected into the spinal fluid and the other into the epidural space. The goal is to see which method causes less itching, a frequent side effect. Researchers will track itching severity and other side effects like nausea and low blood pressure in 80 women giving birth vaginally.

What this could mean

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

Active substance
fentanyl
What this could lead to
If this trial succeeds, it could help doctors choose the fentanyl injection method that causes less itching during labor, improving comfort for women in childbirth.
What could go wrong
This is a small, early-stage trial with only 80 participants, so results may not apply to all women. The study is not yet recruiting, and the outcome focuses on a side effect rather than a major health benefit.

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 80 people

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

Expected to start

Jan 2026

An estimate. Start dates often move.

Expected to finish

May 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: * Age ≥ 18 years * Vaginal delivery * Gestational age ≥ 37 weeks * Requesting neuraxial analgesia * French or English language Exclusion Criteria: * ASA score \> 3 * Allergy or contraindication to receiving opioids/local anesthesia (morphine or fentanyl) * BMI \> 40 kg/m² * Hepatic or renal failure, * Severe preeclampsia and signs of severity according to the criteria of the American College of Obstetricians and Gynecologists * Maternal hemorrhage (placental abruption, hepatic subcapsular hematoma,...) * Severe scoliosis * Biliary cholestasis or polymorphic eruption of pregnancy * Inability to provide informed consent, either secondary to mental or physical disability or a significant language barrier (inability to understand English or French) * Prior administration of an opioid or opioid misuse

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Conditions

The condition(s) this trial relates to.

hypotensive disorder Nausea Patient Satisfaction Pruritus Urinary Retention

As listed by the trial registrant

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

Fentanyl adverse reaction Fentanyl analgesia Fetal bradycardia during labor Hypotension drug-induced Labor analgesia Nausea and vomitting Neuraxial opioid Opioid analgesic adverse reaction Pruritis Satisfaction, patient Term labour Urinary retention

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

  • Centre Hospitalier Universitaire de Sainte Justine

    Montreal, Quebec, H3T 1C5, Canada

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