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Which block beats breast surgery pain? ESP vs RIB showdown

NCT ID NCT06177665

Symptom relief Sponsor: Kocaeli University 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compared two types of nerve blocks—erector spinae plane (ESP) and rhomboid intercostal (RIB)—for managing pain after breast surgery. 84 patients received one of the blocks before their operation. Researchers measured how much morphine they needed afterward and their pain scores. The goal was to see which block provides better pain relief.

What this could mean

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

Active substance
bupivacaine
What this could lead to
If one block works better, it could lead to better pain control and less morphine use after breast surgery.
What could go wrong
This is a small, completed trial comparing two established techniques. The results may not apply to all surgeries or patients, and individual responses vary.

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

84 people

The number who actually took part.

Started

Jul 2023

Finished

Jun 2024

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 who will undergo unilateral breast-conserving surgery (BCS) or modified radical mastectomy (MRM) with or without axillary lymph node dissection * Patients undergoing elective surgery * ASA (American Society of Anesthesiologists) physical status classification I-III Exclusion Criteria: * Use of anticoagulants * Allergy to the medications to be used * Patients who use analgesic drugs due to a history of chronic pain * ASA (American Society of Anesthesiologists) physical status classification IV-V * Patients with psychiatric disorders * Presence of infection in the area where the block will be applied * Presence of deformity in the patient's spinal, paraspinal and area where the block will be applied * The patient does not accept the block application or cannot cooperate with the patient

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Conditions

The condition(s) this trial relates to.

agnosia pain agnosia Pain, Postoperative

As listed by the trial registrant

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

Analgesia Postoperative pain

Contacts and locations

Locations

  • Kocaeli University

    Kocaeli, Turkey (Türkiye)

More trials for these conditions

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