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New pain pump method could offer better relief after surgery

NCT ID NCT05091905

Symptom relief Sponsor: University of California, San Diego 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Aug 25, 2026 · Updated 3 times

Summary

This study is testing two methods of giving pain medicine through a small tube placed near a nerve after surgery. One method gives a steady, low-dose drip, while the other gives larger doses at set times. The goal is to see which method provides better pain control and lasts longer. About 140 people having arm or foot/ankle 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
What this could lead to
If successful, this could lead to a better way to manage pain after surgery, potentially reducing the need for opioids and improving patient comfort.
What could go wrong
This is a phase 4 study comparing two established techniques, so the differences may be small. Individual responses to pain and medication can vary widely, and the results may not apply to all types of surgery.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

60 people

The number who actually took part.

Started

Mar 2022

Finished

Mar 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: \- patients undergoing ulnar and/or radial fracture open reduction internal fixation or painful foot and/or ankle surgery with a planned infraclavicular or popliteal sciatic perineural catheter, respectively, for postoperative analgesia Exclusion Criteria: * daily opioid use within the previous 4 weeks * clinical neuro-muscular deficit of either the brachial plexus (infraclavicular) or sciatic nerve (sciatic catheters) and its branches and/or innervating muscles * morbid obesity \[body mass index \> 35 kg/m2\] * surgery outside of the ipsilateral sciatic and saphenous nerve distributions for sciatic catheters \[e.g., iliac crest bone graft\] * pregnancy * incarceration

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Conditions

The condition(s) this trial relates to.

Accidental Injuries injury Pain, Postoperative radius fracture ulna fracture

As listed by the trial registrant

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

Pain, acute postoperative Trauma injury

Contacts and locations

Locations

  • UCSD Medical Center

    San Diego, California, 92103, United States

More trials for these conditions

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