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Impulsivity in Pathological Gambling

3. juni 2013 opdateret af: Timothy Fong MD, University of California, Los Angeles

Impulsivity in Pathological Gambling: A Cross Sectional Analysis on Tests of Impulsivity Between Pathological Gamblers and a Non-pathological Control Group.

The purpose of the this study is to compare pathological gamblers versus non-pathological gamblers using tests that measure different components of impulsivity. We aim to invite a total of 120 individuals to participate in this study.

Impulsivity has been described as the cognitive inability to delay gratification, a failure to inhibit behavioral action or acting without forethought about consequences. Impulsivity has also been seen as a personality trait characterized by risk-taking or sensation seeking behavior. Pathological gamblers demonstrate aspects of impulsivity; they act without thinking, have difficult inhibiting urges to gamble and desire immediate gratification. The goal of this project is to clarify which components of impulsivity are associated with pathological gambling. Non-treatment seeking, pathological gamblers and controls will be recruited from the community and local casinos. Each participant will be administered a battery of tests that represent different operational definitions of impulsivity.

Studieoversigt

Status

Afsluttet

Betingelser

Detaljeret beskrivelse

Personality traits of impulsivity will be measured with the Barrett Impulsiveness Scale and the NEO Personality Inventory-Revised. Behavioral components of impulsivity will be tested through delay and probability discounting tasks. Finally, measures of frontotemporal functioning are also included in a neuropsychology and neurocognitive battery. Recent studies have shown that these areas of the brain function differently in pathological gamblers; thus, the following neuropsychology/neurocognitive tests have been included: Attention/Information Processing Speed (via Simple Reaction Time Task and Continuous Performance Task), Episodic Memory (via Hopkins Verbal Learning Test-Revised and Brief Visuospatial Memory Test), Executive/Frontal Lobe Measures (via Wechsler Memory Scale-III, Choice Reaction Time Task, Working Memory Task (N-back), Probabilistic Reversal Learning Task, and Stop-Signal Task). Between group comparisons on this battery of impulsivity tests will be made to clarify which components of impulsivity are associated with pathological gambling. Secondly, within-group analyses will be performed to correlate impulsivity to gambling severity. Lastly, an exploratory analysis of subtyping pathological gamblers by performances on tasks of impulsivity and types of gambling will be conducted.

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

120

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Forenede Stater
    • California
      • Los Angeles, California, Forenede Stater, 90095
        • UCLA Neuropsychiatric Institute

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Community Sample

Beskrivelse

Inclusion Criteria:

Inclusion Criteria for Pathological Gamblers:

  • 18 years or older
  • Be able to speak, read and write in English
  • Current diagnosis of pathological gambling (using DSM-IV criteria)
  • South Oaks Gambling Screen (SOGS) score of 5 or above during screening
  • Recent gambling activity -- at least once within one week prior to enrollment.
  • Voluntarily given informed consent and signed the informed consent document.
  • Not currently seeking treatment for gambling

Inclusion Criteria For Control Participants:

  • 18 years or older
  • Be able to speak, read and write in English
  • South Oaks Gambling Screen (SOGS) score of 5 or less during screening
  • Voluntarily given informed consent and signed the informed consent document
  • Does not meet diagnosis of pathological gambling by DSM-IV criteria
  • Not currently seeking treatment for gambling

Exclusion Criteria:

Exclusion Criteria for all participants:

  • Current treatment for pathological gambling, excluding involvement with Gamblers Anonymous
  • Ongoing medication for any psychiatric disorders, including anti-psychotics, antidepressants, mood stabilizers, anxiolytics or sedative/hypnotics.
  • Dependence by DSM-IV criteria on any psychoactive substance, excluding caffeine or nicotine
  • Presence of clinically unstable medical disorders that could harm the subject if not treated immediately.
  • Presence of any neurological or psychiatric disorders (as assessed by the SCID or MINI and BDI-II) that would require immediate treatment.
  • Test positive urine toxicology for illicit drugs prior to enrollment
  • Hamilton Depression Scale score of >17

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Kohorter og interventioner

Gruppe / kohorte
1
Pathological Gamblers
2
Non-Pathological Gamblers

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Barratt Impusivity Scale
Tidsramme: 12 months
12 months

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

University of California, Los Angeles

Samarbejdspartnere

National Institute on Drug Abuse (NIDA)

Efterforskere

  • Ledende efterforsker: Timothy W. Fong, M.D., UCLA Gambling Studies Program

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Hjælpsomme links

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. marts 2007

Primær færdiggørelse (Faktiske)

1. august 2009

Studieafslutning (Faktiske)

1. august 2009

Datoer for studieregistrering

Først indsendt

20. december 2007

Først indsendt, der opfyldte QC-kriterier

20. december 2007

Først opslået (Skøn)

24. december 2007

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

4. juni 2013

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

3. juni 2013

Sidst verificeret

1. juni 2013

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • PA-00-004
  • K23DA019522 (U.S. NIH-bevilling/kontrakt)

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

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Betingelser

Sjældne sygdomme

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Placeringer

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