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Can genes explain IBD in african americans?

NCT ID NCT01169194

Knowledge-focused Sponsor: Johns Hopkins University Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study aims to find genes that cause inflammatory bowel disease (IBD) specifically in African Americans. Researchers will collect health information and blood samples from 2,400 African Americans, both with and without IBD. No treatment is given—the goal is to better understand the genetic causes of the disease.

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 2,400 people

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

Started

Jun 2003

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

Individuals diagnosed with Inflammatory Bowel Disease

Ages

5 years and older

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: 1. African Americans with a confirmed diagnosis of Inflammatory Bowel Disease (IBD) 2. African Americans without a diagnosis of IBD and without a family history of IBD for comparison purposes Exclusion Criteria: Patients whose IBD cannot be confirmed

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Conditions

The condition(s) this trial relates to.

Crohn disease inflammatory bowel disease ulcerative colitis

As listed by the trial registrant

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

Inflammatory bowel disease

Contacts and locations

Locations

  • Johns Hopkins University School of Medicine

    Baltimore, Maryland, 21231, United States

More trials for these conditions

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