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Could a CPAP machine make lung cancer radiation more accurate?

NCT ID NCT03422302

Symptom relief Sponsor: M.D. Anderson Cancer Center 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Aug 12, 2026 · Updated 3 times

Summary

This study tests whether a CPAP device can reduce tumor movement in lung cancer patients during stereotactic body radiation therapy (SBRT). About 30 participants will use CPAP or deep inspiration breath hold to see which better stabilizes tumors. The goal is to improve treatment precision and potentially reduce damage to healthy tissue.

What this could mean

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

Active substance
Continuous positive airway pressure (CPAP) device
What this could lead to
If it works, this could make radiation therapy for lung cancer more precise by reducing tumor movement during treatment.
What could go wrong
This is a small early-phase pilot study with only 30 participants, so results may not apply broadly. The CPAP device may not reduce tumor motion better than standard breath-holding techniques.

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 30 people

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

Started

Mar 2018

Expected to finish

May 2028

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: * The patient will receive stereotactic body radiotherapy in the Thoracic Radiation Oncolcogy Service at MD Anderson. Exclusion Criteria: * The patient has a contra-indication for using a CPAP device. * The patient has not signed a study-specific informed consent for this study. * The patient is uncooperative. * The patient has reduced consciousness. * The patient has sustained trauma or burns to the face. * The patient has undergone any facial, esophageal, gastric or sinus surgery within the last 3 months. * The patient has idiopathic pulmonary fibrosis (IPF) as documented in their medical history. * Adults who are unable to consent, individuals who are not yet adults, pregnant women and prisoners will be excluded from this study.

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Conditions

The condition(s) this trial relates to.

lung carcinoma lung neoplasm metastatic malignant neoplasm respiratory system cancer respiratory tract neoplasm

As listed by the trial registrant

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

Lung carcinoma Malignant respiratory tract neoplasm Metastatic malignant neoplasm in the lung

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

  • M D Anderson Cancer Center

    RECRUITING

    Houston, Texas, 77030, United States

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