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Scientists hunt for genetic clues to biliary atresia, top cause of liver transplants in kids

NCT ID NCT03273049

Knowledge-focused Sponsor: University of Pittsburgh 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Aug 11, 2026 · Updated 3 times

Summary

This study aims to uncover the genetic and developmental causes of biliary atresia, a rare condition that leads to liver failure in newborns and accounts for half of all childhood liver transplants worldwide. Researchers will analyze DNA from 1,100 children who have had or need a liver transplant due to biliary atresia. By identifying key genes and pathways, they hope to better understand why the disease occurs and potentially guide future treatments.

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 uncover the genetic roots of biliary atresia, pointing toward better ways to diagnose or treat this rare liver disease in children.
What could go wrong
This is an observational study, not a treatment trial. It may not directly lead to new therapies, and findings might not apply to all patients.

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 1,100 people

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

Started

Jul 2016

Expected to finish

Jul 2035

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 who have had a liver transplantation due to a diagnosis of biliary atresia.

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: * living individuals who were diagnosed with Biliary Atresia and received or are about to receive a liver transplant from multiple participating centers (Children's Hospital of Pittsburgh, Kings College Hospital, Children's Hospital of Birmingham, and Hospital Sírio-Libanês). Exclusion Criteria: * No child participant in the care of the state will be enrolled, nor will patients in the care of temporary or informal guardians be enrolled

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Conditions

The condition(s) this trial relates to.

biliary atresia

As listed by the trial registrant

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

Biliary atresia

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

  • UPMC Children's Hospital of Pittsburgh

    RECRUITING

    Pittsburgh, Pennsylvania, 15224, United States

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