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New scanner aims to spot tiny tumors, but study stalls early

NCT ID NCT05513027

Diagnosis Sponsor: Washington University School of Medicine 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
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested a new imaging technique called AWSM-PET/CT that adds a few minutes to a standard PET/CT scan to get clearer pictures of small cancer spots. Researchers planned to enroll cancer patients to see if the new method improved accuracy. However, the study was stopped early after only 11 people took part, so we don't have enough information to know if it works.

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 technology could help doctors find smaller tumors more accurately, potentially improving cancer staging and treatment decisions.
What could go wrong
The study was terminated early with very few participants, so results are limited. The technique is still experimental and may not work better than standard scans.

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

11 people

The number who actually took part.

Started

Mar 2024

Finished

Mar 2026

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: * Adult patient 18 years of age or older * Patient with suspected or pathologically confirmed diagnosis of carcinoma scheduled to undergo standard of care (SOC) PET/CT for initial diagnosis, initial staging, or suspected recurrence. Preference is to enroll those subjects who will undergo biopsy or surgical resection prior to other cancer treatment. * Willing to undergo PET/CT imaging with AWSM-PET. * Patients of child-bearing potential must have a negative urine pregnancy test on the day of the PET/CT scan. Postmenopausal women who self-report as amenorrheic for at least 12 consecutive months are to be considered not of child-bearing potential. * Patients must be able to understand and sign an IRB-approved informed consent form that allows access to prior medical records, participation in the study and chart review follow up. * Patients are able to tolerate up to approximately 30 min of PET imaging. Exclusion Criteria: * For FDG PET/CT only: Patients who have poorly controlled diabetes (fasting blood glucose \> 200 mg/dL obtained directly prior to FDG administration for PET/CT scan) * Patients whose weight or whose body habitus prohibits the AWSM-PET insert device from being placed at the end of the imaging field of view

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Conditions

The condition(s) this trial relates to.

cancer carcinoma neoplasm

As listed by the trial registrant

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

Cancer

Contacts and locations

Locations

  • Washington University School of Medicine

    St Louis, Missouri, 63110, United States

More trials for these conditions

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