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New 4D scan could sharpen lung cancer radiation

NCT ID NCT01421953

Knowledge-focused Sponsor: University Hospital, Bordeaux 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether a special 4D PET-CT scan can help doctors better target radiation for lung cancer. Seven patients with non-small cell lung cancer received both a standard CT scan and a 4D PET-CT scan before radiotherapy. Researchers compared the tumor volumes identified by each scan to see if the 4D version provided more accurate information for planning treatment.

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 lead to more precise radiation targeting for lung cancer, potentially reducing damage to healthy tissue.
What could go wrong
This is a very small, early-stage study with only 7 participants, so results may not apply to all patients. It focuses on planning, not treatment outcomes.

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

7 people

The number who actually took part.

Start date

Aug 2011

Finished

Nov 2012

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: * age ≥ 18 years old * patients with unresectable non small cell lung cancer having to be treated with radiotherapy or radio-chemotherapy Exclusion Criteria: * neo-adjuvant treatment * patient treated previously with thoracic radiation * patient unable to support 4D PET-CT * pregnant or breast-feeding woman

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Conditions

The condition(s) this trial relates to.

lung cancer lung neoplasm non-small cell lung carcinoma

As listed by the trial registrant

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

Lung cancer Non small cell lung carcinoma

Contacts and locations

Locations

  • CHU Bordeaux - hôpital Pellegrin

    Bordeaux, 33000, France

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