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Cancer imaging study pulled before starting

NCT ID NCT04488224

Knowledge-focused Sponsor: University of Sydney 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 Results may not be published yet.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
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled This study
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This status has not been confirmed recently, so it may be out of date.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 study aimed to test a new device that rotates patients horizontally to take CT images for guiding radiation therapy in cancer patients. It was designed for adults with certain cancers, but the trial was withdrawn before enrolling anyone. The goal was to see if the images were good enough for treatment planning.

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

Early phase 1

The earliest testing in people: a first look at safety, in a very small group.

Expected to start

Sep 2025

An estimate. Start dates often move.

Finished

Dec 2025

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. Cancer patients that are receiving radiation therapy that are able to be imaged with the Nano-X PRS with one of the following tumour sites: 1. in the head/neck region 2. in the chest/abdomen/pelvic region with fast CBCT used for standard of care image guidance and is aged 60 years or older 3. in the chest/abdomen/pelvic region not receiving CBCT for standard of care image guidance and is aged 70 years or older 4. diagnosis of lung cancer with stage II-IV 2. ≥18 years of age 3. ECOG Performance Status 0-2 4. Must be able to communicate fluently in English to: i. Receive instructions from operators of the PRS for safety entering and leaving the Patient Rotation System and required conduct during the during the rotation session, and ii. Communicate their level of comfort or distress to operators of the equipment. 5. Signed, written informed consent or approved alternative, non-contact method for informed consent. Exclusion Criteria: 1. Pregnant women 2. Patients for whom attaining informed consent would not be possible, including mentally impairment 3. Patients with severe vertigo or recent a diagnosis of Benign Paroxysmal Positioning Vertigo.

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Conditions

The condition(s) this trial relates to.

cancer neoplasm

As listed by the trial registrant

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

Cancer

More trials for these conditions

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