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Before or after? study tests best timing for shoulder surgery nerve block to cut pain and opioids

NCT ID NCT07689448

Symptom relief Sponsor: Istinye University Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 08, 2026 · Last updated Jul 09, 2026 · Updated 1 time

Summary

This study compares giving a nerve block before versus after arthroscopic rotator cuff repair surgery to see which timing provides better pain control and recovery. Participants are adults undergoing this shoulder surgery who receive an interscalene nerve block. The trial measures pain levels, opioid use, hospital stay length, and functional recovery to determine if one approach is superior.

What this could mean

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

Active substance
interscalene nerve block
What this could lead to
If timing before surgery proves better, it could lead to a standard practice that reduces pain and opioid use after shoulder surgery.
What could go wrong
This is a small, single-center study with 42 participants, so results may not apply broadly. The difference between groups might be small or not clinically meaningful.

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.

Participants

About 42 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Oct 2026

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.

Who is studied

Adult patients undergoing primary arthroscopic rotator cuff repair for repairable rotator cuff tears at a single tertiary referral center. Participants received ultrasound-guided interscalene nerve block either before surgical incision or after completion of surgery according to routine perioperative practice.

Ages

18 years and older

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: * Adults aged 18 years or older. * Patients undergoing primary arthroscopic rotator cuff repair. * Presence of a repairable small-, medium-, or large-sized rotator cuff tear confirmed by clinical and imaging evaluation. * Receipt of an ultrasound-guided interscalene nerve block as part of perioperative pain management. * Ability to provide informed consent and comply with study follow-up requirements. Exclusion Criteria: * Irreparable rotator cuff tears. * Partial-thickness rotator cuff tears not requiring repair. * Revision rotator cuff repair procedures. * Concomitant shoulder procedures that could substantially influence postoperative pain or functional outcomes (e.g., shoulder arthroplasty, fracture fixation). * Previous surgery on the affected shoulder. * Contraindications to interscalene nerve block, including local anesthetic allergy, infection at the injection site, or severe neurologic disease affecting the brachial plexus. * Chronic opioid use or opioid dependence before surgery. * Inability to complete study questionnaires or follow the postoperative rehabilitation protocol. * Missing baseline or follow-up data required for outcome assessment.

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Conditions

The condition(s) this trial relates to.

agnosia Pain, Postoperative Rotator Cuff Injuries rotator cuff syndrome

As listed by the trial registrant

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

Interscalene blocks Rotator cuff tear repair Rotator cuff tears

How to take part

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  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

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Contacts and locations

Locations

  • Istinye University Bahcesehir Liv Research and Training Hospital

    Istanbul, Turkey (Türkiye)

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