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CF gene carriers may face hidden organ risks

NCT ID NCT05474417

Knowledge-focused Sponsor: Philip Polgreen 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Sep 04, 2026 · Updated 2 times

Summary

This study looks at whether people who carry one copy of the cystic fibrosis gene (CF carriers) have early signs of kidney or pancreas problems. Researchers will compare 1250 CF carriers and non-carriers using blood tests, urine and stool samples, and surveys. The goal is to see if carriers have higher risks for conditions like diabetes or kidney disease.

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 this study finds clear links, it could lead to earlier monitoring or preventive care for CF carriers at risk of kidney or pancreas problems.
What could go wrong
This is an early observational study, not a treatment trial. It may not find strong evidence, and results may not apply to all CF carriers.

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 1,250 people

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

Started

Dec 2021

Expected to finish

Dec 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

CF Carriers and Controls who are not CF carriers.

Ages

18 to 100 years

Sex

Anyone

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.

CF Carrier Inclusion Criteria: * A CF Carrier identified via genetic testing Control Inclusion Criteria: * No previous CF carrier test results Exclusion Criteria: * CF patient status * Unable to speak English * Currently pregnant * Unable to provide written informed consent * Prisoner status * Currently taking any medications for the treatment of diabetes

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Conditions

The condition(s) this trial relates to.

kidney disorder pancreas disorder

As listed by the trial registrant

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

Carrier state Kidney diseases Pancreatic disease

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 Iowa Hospitals and Clinics

    RECRUITING

    Iowa City, Iowa, 52242, United States

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