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Could a light patch replace painkillers after surgery?

NCT ID NCT07671612

Symptom relief Sponsor: National Taiwan University 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether a special light-emitting patch can reduce pain after urological surgery. 300 adults having kidney or adrenal gland surgery will receive either an active patch, an enhanced version, or a placebo patch. The main goal is to see if the patch lowers pain scores and the need for pain medication 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
photobiomodulation (PBM) patch
What this could lead to
If it works, this could offer a drug-free way to manage pain after surgery, reducing the need for opioids.
What could go wrong
This is an early-stage study with no phase assigned, and the effect may be small or no better than a placebo. The patch is only for short-term use after 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

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 300 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

Mar 2028

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 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: 1. Patients aged 18 years or older undergoing unilateral nephroureterectomy with bladder cuff excision, or adrenalectomy (tumor size \< 3.5 cm). 2. Patients who are capable of clear verbal communication. 3. Patients who are able to provide written informed consent. Exclusion Criteria: 1. Individuals with photosensitive constitution or those currently using photosensitizing medications. 2. Individuals with a known history of severe allergy or contact dermatitis to medical adhesive patches or tapes. 3. Patients with severe psychiatric illness or cognitive impairment. 4. Long-term or high-dose opioid users. 5. Patients utilizing a Patient-Controlled Analgesia (PCA) pump. 6. Individuals with severe hepatic insufficiency or active liver disease. 7. Vulnerable populations, individuals with restricted legal capacity, or those who are unable or unwilling to undergo clinical evaluations.

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As listed by the trial registrant

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

Double-blind randomized controlled study Non-pharmacological intervention Photobiomodulation (PBM) Postoperative pain relief Urological surgery

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites. 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

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • National Taiwan University Cancer Center

    Taipei, Taipei City, 106, Taiwan

  • National Taiwan University Hospital

    Taipei, Taipei City, 100, Taiwan

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