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New study tests better pain relief for knee surgery patients

NCT ID NCT07242339

Symptom relief Sponsor: Kanuni Sultan Suleyman Training and Research Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 ways to numb the knee after surgery: a standard nerve block versus a standard block plus an extra block for the back of the knee. Fifty adults having knee arthroscopy were randomly assigned to one of the two methods. Researchers measured pain levels, painkiller use, and side effects in the first 24 hours 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
bupivacaine
What this could lead to
If successful, this could show that adding a second nerve block provides better pain relief after knee surgery, reducing the need for strong painkillers.
What could go wrong
This is a small, completed study with only 50 participants, so results may not apply to everyone. The extra block may not improve pain enough to justify the added risk.

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

50 people

The number who actually took part.

Started

Nov 2025

Finished

Apr 2026

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

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: * Age ≥ 18 years * ASA physical status I-III * Scheduled for elective knee arthroscopy under spinal anesthesia * Ability to provide written informed consent Exclusion Criteria: * Coagulopathy or bleeding diathesis * Current use of anticoagulant therapy * Known allergy or contraindication to local anesthetics used in the study * History of diabetes mellitus with neuropathy or other neuropathic disorders * Contraindications to regional anesthesia techniques * Refusal to participate

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As listed by the trial registrant

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

Postoperative pain management

Contacts and locations

Locations

  • Health Science University İstanbul Kanuni Sultan Süleyman Education and Training Hospital

    Istanbul, küçükçekmece, 34303, Turkey (Türkiye)

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