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Scientists dig into tissue samples to unravel lung scarring mystery

NCT ID NCT00084305

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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 17, 2026 · Updated 13 times

Summary

This study collects and analyzes blood, DNA, and tissue samples from 315 adults with pulmonary fibrosis, their relatives, and healthy volunteers. The goal is to learn more about the disease's causes, not to test a new treatment. Researchers hope the findings will guide future therapies.

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 research could reveal new clues about what causes pulmonary fibrosis, potentially pointing toward future treatments.
What could go wrong
This is an observational study, not a treatment trial. It may not directly lead to new therapies, and results may take years to translate into clinical practice.

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

315 people

The number who actually took part.

Started

Jun 2004

Lead sponsor

A government research agency

The lead sponsor is the US National Institutes of Health.

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 pulmonary fibrosis@@@@@@

Ages

18 to 115 years

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: Individuals who are 18 years of age or older with any of the following: * Idiopathic pulmonary fibrosis \[defined by the American Thoracic Society/European Respiratory Society guidelines\], * Familial pulmonary fibrosis \[defined as idiopathic pulmonary fibrosis in two or more first-degree relatives\], * Relatives of patients with hereditary pulmonary fibrosis, * Hermansky-Pudlak syndrome (diagnosed by paucity or deficiency of platelet dense bodies on whole mount electron microscopy or by genetic testing), * Pulmonary fibrosis associated with collagen vascular diseases or autoinflammatory disorders, * Pulmonary fibrosis post-COVID-19 \[i.e., pulmonary fibrosis in an individual recovering from SARS-CoV-2 infection\], or * Healthy research volunteers by history and indicated tests (individuals without history of chronic pulmonary disorder, collagen vascular disease, or bleeding disorder). EXCLUSION CRITERIA: Individuals with any of the following: * Significant inhalational exposure to fibrogenic fibers or dusts or exposure to drugs associated with pulmonary fibrosis, * Uncontrolled ischemic heart disease, * Uncorrectable bleeding diathesis, * Pregnancy or lactation (excluded due to exposure of unnecessary risks), or * Inability to give informed consent (excluded due to exposure of unnecessary risks).

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • National Institutes of Health Clinical Center

    Bethesda, Maryland, 20892, United States

More trials for these conditions

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