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New Leg-Numbing technique could make surgery more comfortable

NCT ID NCT07366853

Symptom relief Sponsor: General Hospital of Ningxia Medical 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a new method for numbing the leg during foot or ankle surgery. Doctors will use ultrasound to guide a numbing medicine into a specific spot in the thigh. The goal is to see if this approach is safe and works better than the usual method, which targets the back of the knee. 200 adults having leg surgery will take part.

What this could mean

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

Active substance
Ropivacaine hydrochloride (local anesthetic)
What this could lead to
If successful, this could offer a more comfortable and precise nerve block option for patients undergoing leg surgery, potentially reducing pain and improving recovery.
What could go wrong
This is an early feasibility study with only 200 participants. The new approach may not be safer or more effective than the standard method, and there are risks like nerve damage 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

About 200 people

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

Expected to start

Jan 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.

Ages

18 to 65 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: 1. Patients scheduled for elective unilateral surgery below the knee (e.g., internal fixation for ankle, metatarsal, or calcaneal fractures; hallux valgus correction; flatfoot reconstruction). 2. American Society of Anesthesiologists (ASA) physical status class I or II. 3. Aged 18 to 65 years. 4. Ability to understand the study procedure and provide written informed consent. Exclusion Criteria: 1. Contraindications to peripheral nerve block: * Known allergy or history of toxicity to local anesthetics. * Pre-existing neuropathy in the operative limb. * Severe coagulopathy. * Infection at the intended needle puncture site. * Systemic infection. 2. Requirement for simultaneous surgery at a site other than the unilateral lower limb below the knee. 3. Previous surgery or significant scarring in the area of the planned needle insertion for the sciatic nerve block. 4. Body mass index (BMI) \> 35 kg/m². 5. Patients receiving chronic pain therapy or with a history of opioid abuse. 6. Inability to communicate or cooperate with the study assessments (e.g., due to cognitive impairment, language barrier, or psychiatric disorder). 7. Pregnancy or lactation.

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As listed by the trial registrant

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

Adverse effect Feasibility study Safety and effectiveness

How to take part

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  2. The official record

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Contacts and locations

Locations

  • General Hospital of Ningxia Medical University

    Yinchuan, Ningxia, 750004, China

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