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Sleep therapy study for ADHD teens pulled before start

NCT ID NCT07209969

Knowledge-focused Sponsor: The University of Hong Kong 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
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study was designed to see if cognitive behavioral therapy for insomnia (CBT-I) could help teenagers with ADHD who also have trouble sleeping. It planned to enroll adolescents aged 11-18 with both ADHD and insomnia. However, the trial was withdrawn before any participants were enrolled, so no results are available.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Cognitive Behavioral Therapy for Insomnia (CBT-I)

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Expected to start

Apr 2023

An estimate. Start dates often move.

Expected to finish

Oct 2025

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

12 to 18 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: Adolescents aged 11-18 years old meeting the following inclusion criteria were invited to take part in the present study: 1. Having a clinical diagnosis of ADHD made by health care professionals (psychiatrist, clinical psychologist, or educational psychologist) based on self-report; 2. a DSM-5 diagnosis of insomnia disorder, and a score on ISI ≥ 9 (suggested cut-off for adolescents) (Chung et al., 2011); 3. Those who agreed to keep the same dosage of medication throughout the study up till completion of follow up assessments. Exclusion Criteria: Adolescents were excluded if they met any of the following criteria: 1. A current diagnosis of substance abuse or dependence; a current or past history of manic or hypomanic episode, schizophrenia spectrum disorders, autism spectrum disorders, organic mental disorders, or intellectual disabilities; 2. Having a prominent medical condition known to interfere with sleep continuity and quality (e.g. severe eczema, gastro-oesophageal reflux disease); 3. Having a clinically diagnosed sleep disorder that may potentially contribute to a disruption in sleep continuity and quality, such as narcolepsy, sleep-disordered breathing, and restless leg syndrome, based on self-reported medical history; 4. On an optimal dosage of psychostimulant or nonstimulant ADHD medications for less than a month; 5. Concurrent, regular use of psychotropic medications(s) known to affect sleep continuity and quality (e.g. hypnotics, steroids), except for the use of psychostimulant medication for ADHD; 6. Receiving ongoing pharmacological and psychological treatment for insomnia; 7. With hearing or speech deficit.

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Conditions

The condition(s) this trial relates to.

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

As listed by the trial registrant

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

ADHD Insomnia

Contacts and locations

Locations

  • Child and adolescent outpatient psychiatric clinic of Kwai Chung Hospital

    Hong Kong, Hong Kong

  • Sleep Research Clinic & Laboratory, Department of Psychology, The University of Hong Kong

    Hong Kong, Hong Kong

More trials for these conditions

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