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RecruitingNCT06232226ADAUpdated Apr 17, 2026

Attention Deficit Hyperactivity Disorder

An interventional study of Patients suffering from the co-occurrence of ADHD and addiction(s) in Attention Deficit Hyperactivity Disorder, Behavior Hyperactive and Behavior Disorders, sponsored by Nantes University Hospital. Recruiting at 3 sites in France. Open to participants aged 18 Years to 99 Years. Per ClinicalTrials.gov, last updated 2026-04-17.

Sponsored by Nantes University Hospital · Not applicable, Interventional, and Other

From the registry’s dates

  • Started Apr 2024; still recruiting 2 years 7 months later.
Phase
Not applicable
Study type
Interventional
Enrollment
80
Allocation
Not applicable
Ages
18 Years to 99 Years
Sex
All
01

Study summary

The ADA cohort aims for the systematic and standardized collection of sociodemographic, clinical and neuropsychological data, during 2 visits (inclusion and 12 months), from patients suffering from the co-occurrence of ADHD (Attention Deficit Hyperactivity Disorder) and addiction(s), in addition to the treatment as usual adapted to each situation.

Read the detailed description

Information on the study and diagnosis of ADHD will be carried out during a medical evaluation consultation, as part of routine care.

The two research visits (inclusion and at 12 months) will be added by the research and will each include:

  • A structured clinical interview with a research professional (traceability of oral consent, administration of structured interviews, collection of self-questionnaires, collection of care from the medical record)
  • A neuropsychological assessment with a neuropsychologist
02

Conditions studied

  • Attention Deficit Hyperactivity Disorder
  • Behavior Hyperactive
  • Behavior Disorders

Keywords

  • Attention Deficit Disorder with Hyperactivity
  • Addictive disorders
  • Neuropsychology
  • Methylphenidate
  • Atomoxetine
  • Functional impairment
  • Symptoms
03

In context

Attention Deficit Disorder with Hyperactivity

1,817 studies on the registry are indexed under Attention Deficit Disorder with Hyperactivity; 296 are open to participants now.

This study's planned enrollment of 80 is above the median of 71 across 1,437 interventional studies indexed under Attention Deficit Disorder with Hyperactivity.

Browse Attention Deficit Disorder with Hyperactivity studies →

Lead sponsor

Nantes University Hospital is the lead sponsor of 839 studies on the registry; 195 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 99 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Patients aged over 18 years
  • For whom a diagnosis of ADHD has been confirmed less than 12 weeks ago
  • For whom the diagnosis of one or more addictive disorder(s) (substance use disorder or behavioral addiction) has been confirmed
  • Meeting the indication for treatment with MPH according to European recommendations (Kooij et al., 2019)
  • For patients who can actually benefit from MPH: who have not yet started taking MPH
  • Social security affiliates

Exclusion criteria

Exclusion Criteria :

  • Presenting disorders of higher cognitive functions (at the discretion of the referring clinician or the investigator making the inclusion), making data collection impossible
  • Presenting difficulties in reading or writing the French language making data collection impossible
  • Unable to commit to being available for the 2 visits planned as part of the cohort
  • Under guardianship or legal protection
  • Patients who have used psychoactive substances within 12 hours prior to their visit
05

Study design

Phase
Not applicable
Primary purpose
Other
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
80 participants (estimated)

Study arms

  • Other
    Neuropsychological assessment

    Determination of the neuropsychological profile

    Other: Patients suffering from the co-occurrence of ADHD and addiction(s)

Interventions

  • OtherPatients suffering from the co-occurrence of ADHD and addiction(s)

    All eligible patients over 18 years, presenting both a diagnosis of ADHD and a diagnosis of at least one addictive disorder (SUD, AUD (Alcohol Use Disorder) and/ or behavioral addiction), starting care in one of the three participating centers, and meeting the indication for treatment with MPH according to European recommendations (J. J. S. Kooij et al., 2019)

06

What researchers measure

Primary outcomes

  1. Functional impairment

    Weiss Functional Impairment Rating Scale (WFIRS-S) (scores of the 7 domains and total score)

    Time frame: Inclusion and 12-month follow-up

Secondary outcomes

  1. Type and severity of ADHD

    Diagnostiscal Interview Voor Attention deficit hyperactivity disorder (DIVA-5)

    Time frame: Inclusion

  2. Symptoms of ADHD

    Adult ADHD Self-Report Scale Symptom Checklist (ASRS-1.1) (inattention and hyperactivity/impulsivity scores)

    Time frame: Inclusion and 12-month follow-up

  3. Addictive disorders - substance use disorders (including tobacco, alcohol and other substances)

    Mini International Neuropsychiatric Interview- Simplified for Diagnostic and Statistical Manual (DSM)-5 (MINI-S)

    Time frame: Inclusion and 12-month follow-up

  4. Addictive disorders - gambling disorder

    National Opinion research center DSM Screen for gambling problems (NODS)

    Time frame: Inclusion and 12-month follow-up

  5. Addictive disorders - sex addiction

    Structured interview adapted from the NODS to explore the diagnostic criteria proposed by Carnes et al in 2012

    Time frame: Inclusion and 12-month follow-up

  6. Addictive disorders - gambling disorder

    Structured interview adapted from the NODS to explore the diagnostic criteria proposed in the third section of the DSM-5 for the Internet gaming disorder

    Time frame: Inclusion and 12-month follow-up

  7. Addictive disorders - eating addiction

    Yale Food Addiction Scale (YFAS 2.0)

    Time frame: Inclusion and 12-month follow-up

  8. Psychiatric disorders

    MINI-S

    Time frame: Inclusion and 12-month follow-up

  9. Neuropsychological profile - selective attention

    D2-R test (CCT standard score, E% standard score and CC standard score)

    Time frame: Inclusion and 12-month follow-up

  10. Neuropsychological profile - short-term and working memory

    Digit memory test (standardized scores of numbers of items correctly recalled (direct order, indirect order, ascending order, total), span sizes (direct order, indirect order, ascending order))

    Time frame: Inclusion and 12-month follow-up

  11. Neuropsychological profile - inhibition

    Stroop test (standardized execution times (naming condition, interference condition), standardized numbers of uncorrected errors (naming condition, interference condition), and standardized interference score)

    Time frame: Inclusion and 12-month follow-up

  12. Neuropsychological profile - spontaneous flexibility

    Verbal fluency test (standardized scores for the number of words cited and the number of errors, in both conditions (literal and categorical))

    Time frame: Inclusion and 12-month follow-up

  13. Neuropsychological profile - planning

    Zoo test (total profile score)

    Time frame: Inclusion and 12-month follow-up

  14. Psychopathological profile - impulsivity

    Urgency, Premeditation (lack of), Perseverance (lack of), Sensation seeking impulsivity behavior scale (UPPS-P) (5 scores)

    Time frame: Inclusion and 12-month follow-up

  15. Psychopathological profile - emotional dysregulation

    Difficulties in Emotion Regulation Scale (DERS-16) (5 scores and total score)

    Time frame: Inclusion and 12-month follow-up

  16. Psychopathological profile - sensorial profile

    Sensory profile of Winnie Dunn - adult version (category and raw scores in the 4 quadrants)

    Time frame: Inclusion and 12-month follow-up

  17. Psychopathological profile - self-esteem

    Rosenberg Self-Esteem Scale (RSES) (total score)

    Time frame: Inclusion and 12-month follow-up

  18. Quality of life survey

    World Health Organization Quality Of Life (WHOQoL-26) (4 scores)

    Time frame: Inclusion and 12-month follow-up

  19. Care received

    Effective implementation of treatment with MPH (yes/no) or atomoxetine (yes/no), If no, reasons for not implementing it (for MPH), Care provided (Cognitive remediation / behavioral and cognitive therapy / psychoeducation / other psychosocial intervention (details) / other drug treatment), Reported compliance and misuse for MPH and atomoxetine, Reported compliance for non-drug care, Tolerance: numerical scale from 0 to 10 for the evaluation of the main adverse effects (for MPH and for atomoxetine).

    Time frame: 12-month follow-up

  20. Personal and family medical history

    List of somatic, psychiatric and addictive disorders for personal history, list of psychiatric and addictive disorders for family history

    Time frame: Inclusion

  21. Sociodemographics

    Age, gender, level of education, professional status, number of children

    Time frame: Inclusion

07

Study locations

3 of 3 sites recruiting
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 17, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT06232226
Responsible party
Sponsor
First posted
Jan 30, 2024
Start date
Apr 11, 2024
Primary completion
Dec 31, 2026 (estimated)
Completion
Dec 31, 2026 (estimated)
Last update
Apr 17, 2026

Study contacts

Clémence CABELGUEN, PH
Contact
clemence.cabelguen@chu-nantes.fr
33 2 40 84 61 16

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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