Attention Deficit Hyperactivity Disorder (ADA)

April 14, 2026 updated by: Nantes University Hospital

Addictions and Attention Deficit Disorder With or Without Hyperactivity

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.

Study Overview

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

Study Type

Interventional

Enrollment (Estimated)

80

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

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 :

  • 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

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Other
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Other: Neuropsychological assessment
Determination of the neuropsychological profile
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)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Functional impairment
Time Frame: Inclusion and 12-month follow-up
Weiss Functional Impairment Rating Scale (WFIRS-S) (scores of the 7 domains and total score)
Inclusion and 12-month follow-up

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Symptoms of ADHD
Time Frame: Inclusion and 12-month follow-up
Adult ADHD Self-Report Scale Symptom Checklist (ASRS-1.1) (inattention and hyperactivity/impulsivity scores)
Inclusion and 12-month follow-up
Addictive disorders - gambling disorder
Time Frame: Inclusion and 12-month follow-up
National Opinion research center DSM Screen for gambling problems (NODS)
Inclusion and 12-month follow-up
Addictive disorders - sex addiction
Time Frame: Inclusion and 12-month follow-up
Structured interview adapted from the NODS to explore the diagnostic criteria proposed by Carnes et al in 2012
Inclusion and 12-month follow-up
Addictive disorders - gambling disorder
Time Frame: Inclusion and 12-month follow-up
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
Inclusion and 12-month follow-up
Addictive disorders - eating addiction
Time Frame: Inclusion and 12-month follow-up
Yale Food Addiction Scale (YFAS 2.0)
Inclusion and 12-month follow-up
Psychiatric disorders
Time Frame: Inclusion and 12-month follow-up
MINI-S
Inclusion and 12-month follow-up
Neuropsychological profile - selective attention
Time Frame: Inclusion and 12-month follow-up
D2-R test (CCT standard score, E% standard score and CC standard score)
Inclusion and 12-month follow-up
Neuropsychological profile - short-term and working memory
Time Frame: Inclusion and 12-month follow-up
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))
Inclusion and 12-month follow-up
Neuropsychological profile - inhibition
Time Frame: Inclusion and 12-month follow-up
Stroop test (standardized execution times (naming condition, interference condition), standardized numbers of uncorrected errors (naming condition, interference condition), and standardized interference score)
Inclusion and 12-month follow-up
Neuropsychological profile - spontaneous flexibility
Time Frame: Inclusion and 12-month follow-up
Verbal fluency test (standardized scores for the number of words cited and the number of errors, in both conditions (literal and categorical))
Inclusion and 12-month follow-up
Neuropsychological profile - planning
Time Frame: Inclusion and 12-month follow-up
Zoo test (total profile score)
Inclusion and 12-month follow-up
Psychopathological profile - impulsivity
Time Frame: Inclusion and 12-month follow-up
Urgency, Premeditation (lack of), Perseverance (lack of), Sensation seeking impulsivity behavior scale (UPPS-P) (5 scores)
Inclusion and 12-month follow-up
Psychopathological profile - emotional dysregulation
Time Frame: Inclusion and 12-month follow-up
Difficulties in Emotion Regulation Scale (DERS-16) (5 scores and total score)
Inclusion and 12-month follow-up
Psychopathological profile - sensorial profile
Time Frame: Inclusion and 12-month follow-up
Sensory profile of Winnie Dunn - adult version (category and raw scores in the 4 quadrants)
Inclusion and 12-month follow-up
Psychopathological profile - self-esteem
Time Frame: Inclusion and 12-month follow-up
Rosenberg Self-Esteem Scale (RSES) (total score)
Inclusion and 12-month follow-up
Care received
Time Frame: 12-month follow-up
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).
12-month follow-up
Personal and family medical history
Time Frame: Inclusion
List of somatic, psychiatric and addictive disorders for personal history, list of psychiatric and addictive disorders for family history
Inclusion
Sociodemographics
Time Frame: Inclusion
Age, gender, level of education, professional status, number of children
Inclusion
Type and severity of ADHD
Time Frame: Inclusion
Diagnostiscal Interview Voor Attention deficit hyperactivity disorder (DIVA-5)
Inclusion
Addictive disorders - substance use disorders (including tobacco, alcohol and other substances)
Time Frame: Inclusion and 12-month follow-up
Mini International Neuropsychiatric Interview- Simplified for Diagnostic and Statistical Manual (DSM)-5 (MINI-S)
Inclusion and 12-month follow-up
Quality of life survey
Time Frame: Inclusion and 12-month follow-up
World Health Organization Quality Of Life (WHOQoL-26) (4 scores)
Inclusion and 12-month follow-up

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

April 11, 2024

Primary Completion (Estimated)

December 31, 2026

Study Completion (Estimated)

December 31, 2026

Study Registration Dates

First Submitted

January 22, 2024

First Submitted That Met QC Criteria

January 22, 2024

First Posted (Actual)

January 30, 2024

Study Record Updates

Last Update Posted (Actual)

April 17, 2026

Last Update Submitted That Met QC Criteria

April 14, 2026

Last Verified

April 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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