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One injection or many? a test to ease breast surgery pain

NCT ID NCT07763756

Symptom relief Sponsor: Antalya City 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 13, 2026 · Last updated Aug 14, 2026 · Updated 1 time

Summary

This trial asks whether a single nerve block can match the pain relief of multiple nerve blocks after breast cancer surgery. Women aged 18-65 scheduled for breast cancer surgery will receive either one or several injections of a local anesthetic near the spine. The study measures pain intensity, opioid use, side effects, and patient satisfaction to see which approach offers better recovery.

What this could mean

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

Active substance
Intertransverse process block (nerve block) with bupivacaine
What this could lead to
If effective, a single injection could provide pain relief comparable to multiple injections, simplifying the procedure and potentially reducing risks.
What could go wrong
This is a small, early-stage trial, and results may not apply to all patients. Nerve blocks carry risks like bleeding, infection, or nerve damage, though rare.

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 60 people

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

Expected to start

Nov 2026

An estimate. Start dates often move.

Expected to finish

Sep 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 to 65 years

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: * Female patients aged 18-65 years * ASA physical status I-III * Scheduled for elective breast cancer surgery * Body mass index (BMI) between 18 and 35 kg/m² * Ability to understand and use the patient-controlled analgesia (PCA) device * Ability to provide written informed consent Exclusion Criteria: * Refusal to participate * Allergy to local anesthetics * Infection at the injection site * Coagulopathy or ongoing anticoagulant therapy * Chronic opioid use or opioid dependence * Severe hepatic or renal insufficiency * Pregnancy or breastfeeding * Cognitive impairment or inability to communicate pain scores * Body mass index (BMI) \<18 or \>35 kg/m²

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm Pain, Postoperative

As listed by the trial registrant

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

Breast cancer Intertransverse process block Mastectomy Postoperative pain Regional anaesthesia

How to take part

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

  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

    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.

More trials for these conditions

Other studies related to the condition(s) this trial covers.