# Dopaminergic Mechanisms Underlying Human Social Behavior

> **NCT04205994** · EARLY_PHASE1 · COMPLETED · sponsor: **University of California, Berkeley** · enrollment: 70 (actual)

## Conditions studied

- Decision Making
- Executive Function
- Dopamine

## Interventions

- **DRUG:** Tolcapone 200 MG
- **OTHER:** Functional Magnetic Resonance Imaging (fMRI)

## Key facts

- **NCT ID:** NCT04205994
- **Lead sponsor:** University of California, Berkeley
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-12-01
- **Primary completion:** 2023-12-31
- **Final completion:** 2023-12-31
- **Target enrollment:** 70 (ACTUAL)
- **Last updated:** 2024-05-16

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04205994

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04205994, "Dopaminergic Mechanisms Underlying Human Social Behavior". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT04205994. Licensed CC0.

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