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Can a pet stain detector also measure health? UV flashlight study explores new nitric oxide test

NCT ID NCT04903535

Knowledge-focused Sponsor: Indiana 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
Registered, but not yet taking participants.
By invitation only This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 shining a UV flashlight on the skin changes nitric oxide levels, as part of developing a new, noninvasive way to measure certain molecules in the body. Researchers will recruit 150 healthy adults and children, expose their ear lobes, hands, or foreheads to UV light, and measure nitric oxide before and after. The goal is to see if this simple method could replace more invasive current techniques.

What this could mean

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

Active substance
Alonefire SV003 10W 365nm UV Flashlight
What this could lead to
If successful, this could lead to a simpler, noninvasive way to measure nitric oxide in the body, potentially aiding research on various health conditions.
What could go wrong
This is an early feasibility study with only 150 participants. It only measures a temporary change in nitric oxide, not any health outcome. The method may not prove practical or accurate.

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 150 people

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

Started

May 2021

Expected to finish

Dec 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

1 day to 75 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 * Adult males or females age ≥ 1 day and ≤ 75 years at time of enrollment Exclusion Criteria * Subjects meeting the following criteria will be excluded: * Smokers. * Any chronic skin conditions. * Pregnant. * Subjects that are unable or unwilling to cooperate with specimen collection. * Subjects with diagnosis of any medical condition that in the investigator's opinion would make them unsuitable for study participation. * (for subjects ≥ 18) Subjects that lack the capacity to consent for themselves.

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Conditions

The condition(s) this trial relates to.

Unconsciousness

As listed by the trial registrant

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

Healthy Unconscious

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Riley Hospital for Children

    Indianapolis, Indiana, 46202, United States

  • Wells Center for Pediatric Research

    Indianapolis, Indiana, 46202, United States

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