Den här översättningen är inte klar ännu. Den här sidan är just nu på engelska.

Gå till den engelska sidan

Cure My Disease

Don't miss your cure!

 Log in / Sign up

Laser light could reveal hidden arthritis

NCT ID NCT00748254

Diagnosis Sponsor: University of Michigan Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 is testing whether a new laser-based imaging technique, called photoacoustic tomography (PAT), can help diagnose rheumatoid arthritis. Researchers will scan the finger joints of 113 adults—some with arthritis and some healthy—and compare PAT with MRI and ultrasound. The goal is to see if PAT can accurately detect signs of arthritis.

What this could mean

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

What this could lead to
If successful, this could lead to a new, non-invasive way to detect rheumatoid arthritis earlier and more accurately.
What could go wrong
This is an early feasibility study, not a treatment trial. The technology may not prove accurate enough for routine use.

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.

Participants

About 113 people

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

Started

Dec 2011

Expected to finish

Jan 2027

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.

Who is studied

Subjects are 1) people who are either healthy volunteers or have patients who have rheumatoid arthritis for more than 2 years and who have a rheumatologist who referred them to this study.

Ages

18 years and older

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: * Men and women 18 years of age or older can participate in this study. * Patients can participate in this study if they have had rheumatoid arthritis for more than 2 years and their rheumatologist has referred them to this study. * Patients can participate as a healthy volunteer with a known history of rheumatoid arthritis. Exclusion Criteria: * Patients, who have electrically, magnetically or mechanically activated implants such as heart pacemaker, magnetic surgical clips, prostheses or implanted neurological stimulator. * Pregnant patients. * Patients who is claustrophobic. * Patients with impaired renal function cannot participate in this study such as elevate creatinine clearance, patients on kidney dialysis etc. * Patients with shock hypotension or unstable low blood pressure. * Patients with Rhabdomyolysis. * Patients who have had a contrast enhanced (with gadolinium) MRA (magnetic resonance angiography)/ or MRI within the last 3 months. (Contrast is a medication injected into a vein during a imaging examination that helps produce clearer images/pictures).

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Arthritis rheumatoid are added.

Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

Conditions

The condition(s) this trial relates to.

rheumatoid arthritis

As listed by the trial registrant

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

Arthritis rheumatoid

How to take part

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

  1. The places running it

    1 site. 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

  • Universtity of Michigan Health System

    RECRUITING

    Ann Arbor, Michigan, 48109, United States

More trials for these conditions

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