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Brain DiseasesNCT04954248

Pilot Study for PET/MR Imaging of Covid-19

A study testing Injected radiotracer with PET Insert in people with Brain Diseases and Covid19, run by Stanford University at 1 site in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

The primary goal of this project is to study the feasibility of a prototype brain-dedicated PET insert for an MR scanner for simultaneous acquisition of PET/MR images of metabolism and perfusion in Covid-19 negative and positive/once positive subjects. Read more about this study

Who is it for?
Ages 21 years and olderHealthy volunteers can take part
Conditions the study is for
Brain Diseases, Covid19
What is being tested?
Injected radiotracer with PET Insert
Could I receive a placebo?
No, everyone receives an active treatment
How many people
3 participants
Where
1 siteUnited States
Study dates
1 Jul 2022to 20 Sep 2023
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 21 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Whole body radiation dose in the last year of less than 5000 mrem determined via subject verbal history reporting
  • Must be at least 21 years of age
  • Deemed healthy to endure duration of imaging study as confirmed via study PI
  • Proof of COVID-19 viral or antibody testing within the timeframe of >20 days but <=180 days prior to scan.

Who cannot join

  • History of non-MRI compatible surgeries, implants, or activities
  • Pregnant or nursing
  • History of allergic reactions to PET radiotracers (via patient verbal report and /or medical record review.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Stanford University

    Palo Alto, California, 94305

Other trials in United States

About this study

Official title: Pilot Study for Simultaneous PET-MR Imaging of Covid-19 Associated Neurological Complications Using a Brain Dedicated PET Insert

The primary goal of this project is to study the feasibility of a prototype brain-dedicated PET insert for an MR scanner for simultaneous acquisition of PET/MR images of metabolism and perfusion in Covid-19 negative and positive/once positive subjects. This study serves as a pilot study for establishing an imaging protocol for combined PET and MR derived functional information as well as MRI acquired anatomical information.

Read the detailed description

This study is a non-randomized non-treatment study. The intention of this work is an assessment of the PET insert technology, and not, for example, to perform a treatment assessment or drug assessment. This work will actively recruit 10 individuals (5 Covid-19 negative and 5 Covid-19 previously positive in the last 180 days) to perform imaging of the brain with an FDA-approved radiotracer.

Being tested
Injected radiotracer with PET Insert
Medical subject headings
Brain Diseases, COVID-19

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Injected radiotracer with PET InsertDiagnostic test

    1. Informed consent will be obtained before beginning any study procedures.
    2. Participants will receive a small quantity of an FDA approved radiotracer. The PET insert is placed within a 3T MRI scanner, where PET and MRI imaging will be completed.
Study groups in NCT04954248
Study groupRoleWhat they receive
Covid-19 Negative/Uninfected PopulationExperimental5 participants will be recruited, injected with radiopharmaceutical, and imaged on the 3T PETMR with PET insert.
Receives: Diagnostic Test: Injected radiotracer with PET Insert
Covid-19 Positive/Infected PopulationExperimental5 participants will be recruited, injected with radiopharmaceutical, and imaged on the 3T PETMR with PET insert.
Receives: Diagnostic Test: Injected radiotracer with PET Insert

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Image quality of PET/MR

    The key specific measurement is that resulting PET/MR images are of high quality, with comparable or better resolution and noise than that seen in other published articles.

    Measured: Up to 24 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 Jul 2021
  2. Study start1 Jul 2022
  3. Primary completion19 Aug 2023
  4. Study completion20 Sep 2023

Why it stopped: The associated funding source was ended, and the proposed duration of the study ended.

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Device feasibility
Allocation
Non-randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
3 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04954248
Sponsor's protocol ID
IRB-59616
Status last verified
Mar 2026
First submitted
7 Jul 2021
Last updated
17 Mar 2026
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
Yes

Questions about this trial

What is this clinical trial studying?

A study testing Injected radiotracer with PET Insert in people with Brain Diseases and Covid19, run by Stanford University at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 17 Mar 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study was stopped early (reason given: The associated funding source was ended, and the proposed duration of the study ended.). Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Image quality of PET/MR (time frame: Up to 24 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Mar 2026.

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