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Can talk therapy tame ADHD and cut crime behind bars?

NCT ID NCT06080373

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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a special type of talk therapy (cognitive-behavioral therapy, or CBT) designed for adults with ADHD who are in prison. Researchers will compare it to a standard prison program and a waitlist. They want to see if the therapy reduces ADHD symptoms, depression, anxiety, and the chance of reoffending after release. About 111 inmates in Spain and Germany will take part.

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 (CBT)
What this could lead to
If it works, this could provide an effective non-drug treatment for ADHD in prisoners, potentially reducing both symptoms and reoffending rates.
What could go wrong
This is an early-stage trial with only 111 participants, and prison settings make follow-up difficult. The therapy may not work better than existing programs.

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.

Participants

About 111 people

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

Expected to start

Sep 2027

An estimate. Start dates often move.

Expected to finish

Sep 2029

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 years and older

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: * To have signed written informed consent to participate in the study * To be between 18 and 65 years of age * To meet the DSM-5 diagnostic criteria for ADHD (American Psychiatric Association, 2013) * To have been convicted of at least one crime under Spanish or German criminal law * To have been incarcerated for at least six months and three or fewer years since the completion of the conviction at the time of eligibility assessment. Exclusion Criteria: * To have a severe personality disorder, psychotic disorder, or pervasive developmental disorder as their primary diagnosis, as the intervention would not meet their clinical needs * To have an IQ of 80 or less, as measured by a standardized IQ test (Raven et al., 1993), due to the complexity of the cognitive components in the CBT program * To have participated in a previous psychological intervention for ADHD; * To not be fluent in Spanish or German, depending on the study site.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

How to take part

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  1. The official record

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