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Teens' ACL pain: which nerve block works best?

NCT ID NCT02947633

Symptom relief Sponsor: Children's Hospital Medical Center, Cincinnati 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at two ways to numb the sciatic nerve for pain control after ACL surgery in 141 teenagers. One method used a single injection of anesthetic, while the other used a continuous drip through a small tube. Researchers measured pain scores, medication use, and knee movement to see which approach worked better.

What this could mean

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

Active substance
local anesthetic (sciatic nerve block)
What this could lead to
If successful, this could help teens recover from ACL surgery with less pain and fewer hospital visits.
What could go wrong
This is a small, completed study comparing two techniques, not a new treatment. Results may not apply to all patients or surgeries.

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

141 people

The number who actually took part.

Started

Mar 2015

Finished

Apr 2024

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

10 to 18 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: A subject may be INCLUDED in this study if: 1. The subject is male or female; 2. The subject is of any racial or ethnic group; 3. The subject is age 10 years to 18 years (inclusive); 4. The subject is scheduled for the following: Unilateral ACL reconstruction with a hamstring autograft under general anesthesia on an outpatient basis, and not being performed in conjunction with any other surgical procedures; 5. The subject is American Society of Anesthesiologists (ASA) patient classification I-II; 6. The subject or legally authorized representative has consented to femoral and sciatic peripheral nerve blockade for the procedure and the consent for peripheral nerve blockade has been obtained by a clinician (MD, DO, CRNA or APN) authorized to obtain consent; 7. The subject's legally authorized representative has given written informed consent to participate in the study and when appropriate, the subject has given assent or consent to participate. Exclusion Criteria: A subject will be EXCLUDED from this study if: 1. Additional surgical procedures are being performed concurrently; 2. The subject is ASA classification \> II; 3. The subject has pre-existing allergies to amide local anesthetics; 4. The subject receives sedation preoperatively; 5. The subject is schedule for overnight hospital admission; 6. The subject has any other condition, which in the opinion of the principal investigator, would not be suitable for participation in the study, including but not limited to coagulopathy, preexisting central or peripheral nervous systems disorders, and local infection or sores at the anticipated site of needle insertion; 7. Unsuccessful PNB or CPI catheter placement occurs during the study. -

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Conditions

The condition(s) this trial relates to.

Lacerations

As listed by the trial registrant

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

Anterior cruciate ligament (ACL) tear

Contacts and locations

Locations

  • Cincinnati Children's Hospital Medical Center

    Cincinnati, Ohio, 45229, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.