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Investigating the role of dopamine in healthy and pathological gambling: A pharmaco-fMRI study

Investigating the role of dopamine in healthy and pathological gambling: A pharmaco-fMRI study - Dopamine and gambling

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON36024
Enrollment
48
Registered
2011-07-14
Start date
2012-01-03
Completion date
Unknown
Last updated
2024-05-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pathological gambling

Interventions

Each subject will receive a placebo and 400mg sulpiride on separate testing days.

Sponsors

Radboud Universiteit Nijmegen
Lead Sponsor

Eligibility

Age
18 Years to 99 Years

Inclusion criteria

Inclusion criteria: All groups: males volunteers between 18 and 55 years of age, predominant right-handedness Pathological gambling group: *active* pathological gamblers, as assessed by a score >= 5 on the SOGS questionnaire and the presence of 5 or more DSM-IV criteria for the diagnosis of pathological gambling Control group: score

Exclusion criteria

Exclusion criteria: - neurological disorders - DSM-IV axis I psychiatric disorders other than pathological gambling / nicotine dependence - current psychiatric treatment - heart problems - claustrophobia - metallic implants (See p. 14 on the research protocol for more details)

Design outcomes

Primary

MeasureTime frame
- Blood Oxygenation Level Dependent (BOLD) signal as measured with functional magnetic resonance imaging (fMRI) - Behavioral performance on computerized tasks - Psychophysiological recordings, e.g., electrodermal activity, blood pressure, heart rate and eye tracking

Secondary

MeasureTime frame
- Subjective measurements ,e.g., self-report questionnaires, visual analogue scales - Blood plasma levels of prolactin and sulpiride

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)