A Prospective Clinical Study of a Cohort of Patients Seeking Treatment for a Behavioral Addiction (EVALADD)

November 21, 2025 updated by: Nantes University Hospital

A Prospective Clinical Study of a Cohort of Pathological Patients Seeking Treatment for a Behavioral Addiction in the University Hospital of Nantes

This research aims to provide a better understanding of the factors associated with the evolution of behavioral addictions, and compliance with care. The investigators thus aim to follow patients with several types of behavioral addictions, based on addictive, sociodemographic, clinical and endophenotypical characteristics, as well as their care adhesion.

Study Overview

Status

Recruiting

Conditions

Study Type

Observational

Enrollment (Estimated)

2720

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

15 years and older (Child, Adult, Older Adult)

Accepts Healthy Volunteers

N/A

Sampling Method

Non-Probability Sample

Study Population

Patients seeking treatment for a behavioral addiction

Description

Inclusion Criteria :

- All consecutive patients seeking treatment at the University Hospital of Nantes for a behavioral addiction and age over 15 will be allowed to participate to the study.

Exclusion Criteria :

  • Cognitive impairment incompatible with the assessment
  • Difficulty for writing or reading the French language, incompatible with the assessement
  • Gardianship

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

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Evolution of behavioral addictions
Time Frame: 8 years
Understand what determines the evolution of behavioral addictions and compliance with care. Study the outcome of patients with behavioral addictions, both in terms of the evolution of of the addictive pathology and associated clinical and endophenotypic characteristics, as well as adherence to care.
8 years

Collaborators and Investigators

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

Sponsor

Nantes University Hospital

Investigators

  • Principal Investigator: Marie GRALL-BRONNEC, MD, Nantes University Hospital

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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)

March 28, 2019

Primary Completion (Estimated)

March 28, 2029

Study Completion (Estimated)

March 28, 2029

Study Registration Dates

First Submitted

November 24, 2010

First Submitted That Met QC Criteria

November 24, 2010

First Posted (Estimated)

November 25, 2010

Study Record Updates

Last Update Posted (Estimated)

November 24, 2025

Last Update Submitted That Met QC Criteria

November 21, 2025

Last Verified

November 1, 2025

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • RC19_0004

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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