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Can hormone cycles explain ADHD symptoms in teen girls?

NCT ID NCT07805382

Knowledge-focused Sponsor: Duke University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 04, 2026 · Last updated Sep 09, 2026 · Updated 1 time

Summary

Researchers at Duke University are studying how natural estrogen changes across the menstrual cycle relate to sleep and ADHD symptoms in girls aged 11 to 15. Participants will wear a Garmin device to track sleep, provide hormone samples, and answer quick surveys about mood and focus. The goal is to see if this approach is practical and to uncover patterns that could 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 study could reveal how hormonal cycles and sleep affect ADHD symptoms in teenage girls, pointing toward personalized care.
What could go wrong
This is a small pilot study focused on feasibility, not treatment effects. Results may not apply broadly, and the measures rely on participant adherence.

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 30 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

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

Female adolescents ages 11-15 with ADHD in the Duke University Health System

Ages

11 to 15 years

Sex

Female participants only

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: * Female; * Ages 11-15; * Within 2 years of first menstrual cycle (menarche); * Parent-reported ADHD diagnosis and T score ≥65 on Inattention and/or Hyperactivity/Impulsivity via Conners * Access to internet and smartphone device with capacity to download the intervention App (iOS and Android); Exclusion Criteria: * Reported psychotic or bipolar disorder, sleep apnea, or restless leg syndrome; * Current suicidality/self-harm; * Plans to initiate/change psychotropic or sleep medications during participation

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Conditions

The condition(s) this trial relates to.

attention deficit hyperactivity disorder, inattentive type attention deficit-hyperactivity disorder

As listed by the trial registrant

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

ADHD

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

  • Duke University Medical Center

    Durham, North Carolina, 27705, United States

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