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Sleep secrets of the rural south: key to heart disease?

NCT ID NCT06336525

Knowledge-focused Sponsor: Brigham and Women's Hospital 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at how sleep problems like apnea, insomnia, and poor sleep quality are linked to heart disease and diabetes in rural southern areas. About 3,680 adults already in a larger health study will wear sleep trackers and answer questionnaires. The goal is to understand sleep patterns in these communities so doctors and public health officials can better prevent and manage sleep and heart issues.

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 3,680 people

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

Started

May 2024

Expected to finish

Jan 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

The cohort will consist of a general population sample of adults age 25-64 years residing in 10 counties in the rural Appalachia and Mississippi Delta regions (AMD): Alabama, Mississippi, Louisiana, and Kentucky, with counties sampled proportional to their populations. The projected RURAL Study sample size is 4600 individuals, with approximately equal numbers in each of the four age deciles. The sample is anticipated to include 51.7% women and 48.3% men. The projected racial/ethnic make-up of the sample is 63.8% non-Hispanic white, 32.7% non-Hispanic black, 1.7% Hispanic and 1.8% other.

Ages

25 to 65 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: * All participants in the Risk Underlying Rural Areas Longitudinal (RURAL) Study will be eligible for enrollment in this ancillary study. Exclusion Criteria: * None

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Conditions

The condition(s) this trial relates to.

circadian rhythm sleep disorder Disorders of Excessive Somnolence Fatigue hypersomnia insomnia sleep apnea syndrome Sleep Deprivation

As listed by the trial registrant

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

Fatigue Insomnia Sleep apnea Sleep deprivation Sleep disorders, circadian rhythm Sleepiness, excessive daytime

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Brigham and Women's Hospital

    Boston, Massachusetts, 02115, United States

More trials for these conditions

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