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Completed

NCT Number: NCT02841566

Comparative Study of the Link Between the Practice of Gambling and Money and Materialism Among Problem Gamblers and Non-problem Gamblers

The purpose of this study is to to explore the link between materialism and addiction to gambling and money

Completed

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Key information

Conditions

Gambling Behavior Disruptive, Impulse Control, and Conduct Disorders Mental Disorders Risk-Taking

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

CHU de Nantes

Nantes, 44093, France

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

( specific to problem gamblers)

  • subject having at least four diagnostic criteria in "Trouble linked to gambling and money" DSM-5 (APA 2013)
  • subject who had written consent for participation in the EVALADD cohort
  • Subject who has started treatment for a problem with the practice of gambling and money in the addictology and psychiatric department

( specific to non-problem gamblers)

  • Subject playing games of chance and money at least once a year
  • Subject playing games of chance and money less than once per week OR less than € 500 per year
  • Subject having a score of 0-2 at ICJE questionnaire

Exclusion criteria

  • Subject having difficulty reading or writing of the French language
  • Subject having Parkinson's Disease
  • Subject under guardianship

Treatment and study plan

Questionnaire

Other

Primary outcomes

  1. Materialism level among problem gamblers compared to non-problem gamblers

    Time frame: 1 year

    To assess the total score of materialism by the Material Value Scale in 15 items (MVS-15), among a group of non-problem gamblers and a group of problem gamblers.

Sponsors and collaborators

Lead sponsor

Nantes University Hospital

Other

Registry information

Official study title

GAMbling and MAterialism

Acronym: GAMMA

Important dates

Study start
2015
Primary completion
2016
Study completion
2016
First posted
Jul 22, 2016
Registry last updated
Jun 24, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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