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Breath, blood, and saliva tests could replace sputum for CF lung infections

NCT ID NCT07312734

Knowledge-focused Sponsor: Chris Goss 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jul 02, 2026 · Updated 1 time

Summary

This study looks for better ways to find harmful bacteria in the lungs of people with cystic fibrosis. Traditional sputum tests are becoming harder to use because newer CF treatments reduce mucus. Researchers will collect samples like saliva, blood, urine, and breath from 300 participants to see if these can reliably detect infections.

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 better, easier diagnostic tests for lung infections in people with cystic fibrosis, especially those who cannot produce sputum.
What could go wrong
This is an observational study, not a treatment trial. It may not directly improve health outcomes, and new tests may not prove more accurate than current methods.

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.

Participants

About 300 people

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

Started

Mar 2026

Expected to finish

Aug 2027

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.

Who is studied

Study participants will be recruited at Cystic Fibrosis Foundation's Therapeutics Development Network study sites

Ages

16 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: * ≥ 16 years of age on day of study visit * Documentation of CF Diagnosis * Able to expectorate sputum * Percent predicted FEV1 ≥ 30% Exclusion Criteria: * History of solid organ transplantation * History of active malignancy (or treatment for malignancy) in 12 months prior to the study visit * Pregnant

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Conditions

The condition(s) this trial relates to.

cystic fibrosis

As listed by the trial registrant

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

Cystic fibrosis (CF) New diagnostics

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    9 sites. 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

  • Froedtert & Medical College of Wisconsin

    RECRUITING

    Milwaukee, Wisconsin, 53226, United States

  • Nationwide Children's Hospital

    NOT_YET_RECRUITING

    Columbus, Ohio, 43205, United States

  • The Minnesota Cystic Fibrosis Center

    RECRUITING

    Minneapolis, Minnesota, 55455, United States

  • University of California San Diego

    NOT_YET_RECRUITING

    La Jolla, California, 92037, United States

  • University of Nebraska Medical Center

    NOT_YET_RECRUITING

    Omaha, Nebraska, 69198, United States

  • University of Pennsylvania

    RECRUITING

    Philadelphia, Pennsylvania, 19104, United States

  • University of Pittsburgh Medical Center

    RECRUITING

    Pittsburgh, Pennsylvania, 15224, United States

  • University of Texas Southwestern

    RECRUITING

    Dallas, Texas, 75390, United States

  • Washington University School of Medicine

    RECRUITING

    St Louis, Missouri, 63110, United States

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