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Brain's attention hub revealed in new study

NCT ID NCT06041048

Knowledge-focused Sponsor: University of California, Davis 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at a small part of the brain called the locus coeruleus, which helps control attention. Researchers will use special MRI scans to measure its activity in 40 healthy adults. The goal is to better understand how this area works, which may help with conditions like ADHD in the future.

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.

Phase

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 40 people

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

Started

Oct 2023

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.

Ages

18 to 60 years

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: * Between the ages of 18 - 60 years of age, * Typically developing, healthy adult Exclusion Criteria: * History of schizophrenia, other forms of psychosis, * Specific or focal neurological disorder or severe alcohol or drug use disorder within the past 5 years * History of left ventricular hypertrophy or in patients with mitral valve prolapse who have experienced the mitral valve prolapse syndrome when previously receiving CNS stimulants, or who have had recent history of myocardial infarction or unstable angina. * Volunteers with known hypersensitivity to modafinil or armodafinil or its inactive ingredients * Known allergy/sensitivity or any hypersensitivity to components of modafinil or its formulation * Inability to swallow tablets or tolerate oral medication; * Pregnant or nursing (participants will be required to have a negative pregnancy test) * Contraindication for MRI scanning (metal implants, pacemakers, metal foreign bodies, or pregnancy) * Use of psychotropic medication within the past week * Claustrophobic and not comfortable being in a small space may also not want to participate

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As listed by the trial registrant

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

Attention - no condition is being assessed - healthy adults

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 California, Davis

    RECRUITING

    Sacramento, California, 95817, United States