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Tiny lung cells may hold key to early detection of deadly transplant complication

NCT ID NCT04604522

Knowledge-focused 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at abnormal cells in the lungs of 15 people who developed bronchiolitis obliterans syndrome after a stem cell or lung transplant. Researchers want to understand these cells better so doctors can spot the disease earlier in future patients. Participants will have extra brushings during a routine bronchoscopy to collect cell samples.

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 15 people

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

Started

Aug 2020

Expected to finish

Mar 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.

Who is studied

Patients with BOS who have undergone an allo-HCT or lung allograft.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Allo-HCT recipients undergoing a bronchoscopy at MDACC who consent to undergoing study airway brushings in addition to clinically indicated bronchoscopic procedures (e.g. bronchoalveolar lavage) * 5 patients with advanced BOS - forced expiratory volume in one second (FEV1) =\< 75% predicted and meeting other National Institutes of Health (NIH) criteria (FEV1/forced vital capacity \[FVC\] ratio 0.7, presence of air trapping or graft versus host disease \[GVHD\] of another organ) * 5 patient with early BOS - at least 10% decline in FEV1 from baseline values, with FEV1 \>= 75% predicted, and 1 high-risk feature: * Active systemic chronic GVHD with new early airflow obstruction OR * Respiratory viral infection in last three months with resolution of viral symptoms but new airflow obstruction * 3 patients with no pulmonary impairment (FEV1 within 5% of baseline values) * Lung allograft recipients undergoing a bronchoscopy at Houston Methodist who consent to undergoing study airway brushing sin addition to clinically indicated bronchoscopy procedures * 5 patients with BOS Stage 2 or higher (\>= 35% decline in FEV1 from baseline values) * 5 patient with BOS Stage 0p or 1 (10-35% decline in FEV1 from baseline values) * 3 patients undergoing screening bronchoscopy without decline in FEV1 * patients with undiagnosed lung cancer and chronic obstructive pulmonary disease diagnosed by pulmonary function testing (FEV1/FVC less than the lower limit of normal with \>20 pack-year history of smoking) Exclusion Criteria: * Bronchoscopy performed on emergency basis for life-threatening issues as opposed to routine diagnostic testing * Patient unwilling to give consent for study airway brushings

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Conditions

The condition(s) this trial relates to.

Bronchiolitis Obliterans bronchiolitis obliterans syndrome

As listed by the trial registrant

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

Bronchiolitis obliterans

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

More trials for these conditions

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