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Massive study seeks 50,000 to unlock Alpha-1 secrets

NCT ID NCT00500123

Knowledge-focused Sponsor: University of Florida 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 aims to learn more about alpha-1 antitrypsin deficiency, a genetic condition that can affect the lungs and liver. Researchers will enroll up to 50,000 people who are at risk due to symptoms or family history. Participants will complete questionnaires to help track health outcomes and understand the risks and benefits of genetic testing.

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 50,000 people

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

Started

Jan 2001

Expected to finish

Jan 2050

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

Individuals choosing to test at home for alpha-1 antitrypsin deficiency.

Ages

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

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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 of any age at risk for alpha-1 antitrypsin deficiency on the basis of symptoms or family genetic risk. Exclusion Criteria: * Any person who has already had genotype and AAT level testing completed and has a qualified result.

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Conditions

The condition(s) this trial relates to.

alpha 1-antitrypsin deficiency

As listed by the trial registrant

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

Alpha 1 antitrypsin deficiency

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

  • University of Florida

    RECRUITING

    Gainesville, Florida, 32610, United States

More trials for these conditions

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