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Clinical Trial Summary

Numerous psychiatric and neurodegenerative diseases like schizophrenia, dependency on drugs of abuse, depression and Parkinson's disease are related to motivational and cognitive deficits in value-based decision making, which frequently persist even after a successful pharmacological treatment. According to current neurobiologic models, cortical dopamine D1 receptors play a crucial role in taking value-based decisions. In this study, it will be investigated whether value-based decisions in healthy volunteers can be improved by stimulation of D1-receptors. For this purpose, a newly developed dopamine D1-agonist will be used, which selectively increases the activities of frontal D1- and D5-receptors. In this double-blind, randomized, placebo-controlled study, the effects of different single doses of PF-06412562, a not yet licensed D1-agonist, on value-based decision making will be compared with placebo. The use of different dosage strengths will allow to investigate a potential relationship between the extent of activity of the D1-receptor and its influence on behavioral indices. Therefore, four parallel groups will be investigated. Each participant takes in a single dose of either PF-06412562 in different doses or placebo. A screening exam will be carried out 1-3 weeks before the drug intake, and a follow-up examination will be carried out approx. 1 week after the drug intake. At all 3 visits in the study centre, several tests for the investigation of value-based decision making will be carried out.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT03181841
Study type Interventional
Source University of Zurich
Contact
Status Completed
Phase Phase 1
Start date May 8, 2017
Completion date December 20, 2017

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