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Which pain block works best after belly surgery?

NCT ID NCT05446727

Symptom relief Sponsor: Jagiellonian 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested two types of nerve blocks—Quadratus Lumborum (QL) and Erector Spinae (ESP)—to see which provides better pain relief after abdominal surgery. 100 adults having surgery for colorectal, prostate, or kidney cancer, or gallbladder removal, received one of the blocks before surgery. Researchers measured how much extra pain medicine they needed and their pain scores afterward.

What this could mean

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

Active substance
ropivacaine injection
What this could lead to
If one block works better, it could lead to better pain control and less opioid use after abdominal surgery.
What could go wrong
This is a small, completed study comparing two techniques. Results may not apply to all surgeries or patients. Both blocks have risks like infection or allergic reaction.

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

100 people

The number who actually took part.

Started

May 2022

Finished

Dec 2023

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 90 years

Sex

Anyone

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 requiring abdomen surgery * Patients of age 18 and over * BMI \< 40 * Patients who are expected to stay in-hospital overnight after surgery Exclusion Criteria: * Patient refusal * Contraindications to paravertebral blocks: Infection at the site of needle insertion, empyema, allergy to local anesthetic drugs, and tumor occupying the thoracic paravertebral space, coagulopathy, bleeding disorder or therapeutic anticoagulation * Known allergy to local anesthetics * Inability to provide informed consent * Inability to use a PCA due to languate or comprehension barriers * BMI \>= 40 * Any patient on opioids for greater than or equal to 3 months duration prior to surgery * Patients with chronic pain syndromes

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Conditions

The condition(s) this trial relates to.

Acute Pain cholelithiasis colorectal cancer kidney cancer Pain, Postoperative prostate cancer renal carcinoma

As listed by the trial registrant

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

Anesthetics, local Pain, acute Postoperative pain

Contacts and locations

Locations

  • Jagiellonian University

    Krakow, Maloposkie, 31-501, Poland

More trials for these conditions

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