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New scan could reveal hidden joint inflammation in arthritis patients

NCT ID NCT03546335

Knowledge-focused Sponsor: Robert Flavell, MD, PhD 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 early study tests a radioactive imaging agent called 89Zr-Cimzia in 10 people with rheumatoid arthritis. The goal is to see if it can highlight inflamed joints on a PET scan, comparing painful joints to pain-free ones. The study is currently suspended, and it is exploratory, meaning it aims to gather information rather than treat the disease.

What this could mean

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

Active substance
89Zr-DFO-Certolizumab pegol (a radioactive imaging agent)
What this could lead to
If successful, this could lead to a new way to see inflammation in joints using PET scans, helping doctors better understand and monitor rheumatoid arthritis.
What could go wrong
This is a very early, small study with only 10 participants. It is currently suspended, and the imaging agent is experimental. It may not show clear differences between painful and pain-free joints.

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 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

About 10 people

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

Started

Oct 2018

Expected to finish

Mar 2029

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. Age \> 18 years old. 2. Ability to read and understand written informed consent document. 3. Patients with clinical diagnosis of rheumatoid arthritis. Exclusion Criteria: 1. For patients planning to be imaged on PET (positron emission tomography) / MRI (magnetic resonance imaging) (PET/MR) scanner, exclusion criteria will include any contra-indication to MRI, including permanent pacemaker, implantable metallic device/ prosthetic, aneurysm clip, non-removable piercing, or severe claustrophobia. 2. Any medical condition that would compromise the imaging acquisition, in the opinion of the investigator. 3. Patients who have had a study involving radiation within one year of enrolling in this study. 4. Patients who are pregnant (female patients of childbearing age will be tested prior to injection of imaging agent - positive test will exclude from participating in the study). 5. Patients who are breastfeeding. 6. Patients who cannot confirm that they will use reliable contraceptive methods for 90 days. 7. Patients treated with TNF-alpha inhibitor therapy. 8. Females of child-bearing age (\<50 years old), until data from the dose-finding study has been reviewed by the UCSF Radiation Safety Committee and explicit written permission has been provided by the UCSF Radiation Safety Committee to open the window of potential female participants to ages 18 years and older.

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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.

Rheumatoid arthritis

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

    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

  • University of California, San Francisco

    San Francisco, California, 94143, United States

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