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Finding the right dose: nerve block study aims to ease Post-Surgery pain

NCT ID NCT07670078

Symptom relief Sponsor: Cumhuriyet 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Aug 26, 2026 · Updated 7 times

Summary

This study compares three different volumes of a local anesthetic nerve block (SPSIP block) in 90 adults undergoing modified radical mastectomy. The goal is to see which volume best reduces pain and the need for additional painkillers like tramadol. Researchers will also map which areas of the chest become numb with each volume.

What this could mean

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

Active substance
bupivacaine (local anesthetic)
What this could lead to
If successful, this could identify the optimal volume of anesthetic for better pain control after mastectomy, reducing the need for opioids.
What could go wrong
This is a small, early-stage trial (90 participants) comparing different doses, so results may not apply broadly. The block may not work equally well for everyone.

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 90 people

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

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Aug 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: * The study included adult patients over 18 years of age who underwent modified radical mastectomy under general anesthesia and were classified in risk groups I-II-III according to the American Society of Anesthesiologists (ASA) risk classification. Exclusion Criteria: * patients with coagulopathy, * patients with signs of infection at the block application site, * patients with ASA IV * patients with known allergies to any of the study drugs, * patients with ineffective block * patients who could not cooperate during postoperative pain assessment * patients who wanted to withdraw from the study, * patients with alcohol and drug addiction, * patients with musculoskeletal abnormalities * patients with kidney and liver failure * patients with obesity (body mass ≥ 35 kg/m2)

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Conditions

The condition(s) this trial relates to.

Pain, Postoperative

As listed by the trial registrant

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

Facial plane blocks Modified radical mastectomy Post operative pain, acute

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

  • Sivas Cumhuriyet University

    Sivas, Sivas, 58140, Turkey (Türkiye)

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