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New imaging trial aims to sharpen diagnosis for Parkinson's, tumors, and more

NCT ID NCT04706910

Diagnosis Sponsor: University of Alberta 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 phase 3 study is testing an improved PET/CT imaging method using a radioactive tracer called 18F-DOPA. Researchers want to see if it can better detect small lesions and reduce image artifacts in patients with conditions like congenital hyperinsulinism, neuroblastoma, neuroendocrine tumors, Parkinson's disease, Lewy body dementia, and brain tumors. About 800 participants will receive an injection of the tracer, and some will also get a diuretic to improve image quality.

What this could mean

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

Active substance
18F-DOPA (a radioactive tracer) and furosemide (a diuretic) for some participants
What this could lead to
If successful, this could lead to clearer, more accurate PET scans for diagnosing and monitoring several serious diseases.
What could go wrong
This is an imaging optimization study, not a treatment trial. It may not directly improve patient outcomes, and results may not apply to all imaging centers.

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 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 800 people

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

Started

Jan 2021

Expected to finish

Dec 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.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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. Pediatric patients (less than 18 years old) with congenital hyperinsulinism. 2. Pediatric patients (less than 18 years old) with neuroblastoma. 3. Pediatric (less than 18 years old) or Adult patients (18 or older) with known or clinically suspected neuroendocrine tumor. 4. Adult patients (18 or older) with a clinical suspicion of Parkinson's disease or Lewy body dementia. 5. Pediatric (less than 18 years old) or Adult patients (18 or older) with brain tumors. Exclusion Criteria: 1. Unable to obtain consent 2. Weight \>225 kg (weight limitation of PET/CT scanner) 3. Adult patients unable to lie flat for 20-30 minutes to complete the PET-CT session. 4. Young pediatric patients (less than 13 years old) who are unable to lie flat for 20-30 minutes and for whom clinical sedation is contraindicated (as determined by a pediatric anaesthesiologist). 5. Lack of intravenous access 6. History of previous cholecystectomy (excluded from dynamic abdomen sub-study only) 7. Pregnancy

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Conditions

The condition(s) this trial relates to.

brain cancer brain neoplasm Congenital Hyperinsulinism familial hyperinsulinism Lewy body dementia Lewy Body Disease neuroblastoma neuroendocrine neoplasm Parkinson disease

As listed by the trial registrant

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

Brain tumor Congenital hyperinsulinism Lewy body disease Neuroblastoma Neuroendocrine tumors Parkinson disease

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

  • WC Mackenzie Health Science Centre / University of Alberta Hospital

    RECRUITING

    Edmonton, Alberta, T6G 2B7, Canada

More trials for these conditions

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