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New full-body scanner may slash scan times for cancer patients

NCT ID NCT04478318

Knowledge-focused Sponsor: University of California, Davis 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jul 07, 2026 · Updated 3 times

Summary

This study compares a new total-body PET/CT scanner (uEXPLORER) with a conventional PET/CT scanner in 180 adults with lung cancer, lymphoma, or melanoma. Each participant gets scanned on both machines to see if the new scanner can produce equally good images in a shorter time. The goal is to find the minimum scan duration needed for clear images, which could make future scans faster and more comfortable.

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 show that the new scanner provides equally good images in much less time, making scans faster and more comfortable for patients.
What could go wrong
This is an early comparison study, not a treatment trial. It only tests image quality, not whether the new scanner improves health outcomes. Results may not apply to other cancers or scanners.

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

About 180 people

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

Started

Jun 2020

Expected to finish

Dec 2026

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. Ability to understand and willingness to sign an informed consent form. 2. Ability to adhere to the study visit schedule and all protocol requirements. 3. Men and women ≥18 years of age. 4. Diagnosis or suspected diagnosis of lung cancer, melanoma or lymphoma. 5. Patients who have been referred for a PET/CT scan. Exclusion Criteria: 1. Pregnant women. 2. Claustrophobia. 3. Any significant medical condition that in the opinion of the investigator would prevent the subject from participating and/or adhering to study related procedures or interfere with subject safety.

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Conditions

The condition(s) this trial relates to.

lung cancer lung neoplasm lymphoma melanoma

As listed by the trial registrant

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

Fluorodeoxyglucose Lung neoplasm Lymphoma Melanoma Positron emission tomography

Contacts and locations

Locations

  • University of California Davis

    Sacramento, California, 95817, United States

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