Can a simple IV drip replace nerve blocks for breast surgery pain?

NCT ID NCT07823244

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 16, 2026 · Last updated Sep 17, 2026 · Updated 1 time

Summary

Researchers are testing whether an intravenous lidocaine infusion works as well as a thoracic paravertebral nerve block for helping women recover after breast cancer surgery. The trial enrolls 112 adults scheduled for mastectomy or breast-conserving surgery. Participants receive one of the two pain relief methods at random, and both they and their doctors do not know which one. The study measures recovery quality and pain scores over the first two days after surgery.

What this could mean

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

Active substance
intravenous lidocaine infusion compared with a thoracic paravertebral nerve block
What this could lead to
If intravenous lidocaine works as well as the nerve block, it could offer a simpler, less invasive option for pain relief after breast cancer surgery.
What could go wrong
The trial is small and early, so results may not apply to all patients. Lidocaine infusions can cause side effects like dizziness or irregular heartbeat, and the nerve block may still prove more effective.

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 112 people

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

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Sep 2029

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 75 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: * Adult ASA I-III patients between the age 18 to 75 years scheduled for primary breast cancer surgery-simple mastectomy and modified radical mastectomy with sentinel lymph node biopsy +/- axillary dissection. Exclusion Criteria: * Patient refusal, patients unable to comprehend QoR15 form, total body weight less than 40 Kg, local skin site infection, coagulopathy, history of allergy to local anaesthetics, and patients with hepatic, renal and cardiac dysfunction will be excluded.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

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.

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  3. A doctor treating you

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Contacts and locations

Locations

  • Mahidol University

    Bangkok Noi, Bangkok, 10700, Thailand

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