# Does Serotonin System Stimulation Increase Pro-social Behavior? - A Comparative Pharmacological Neuroscientific Study in Healthy Humans

> **NCT06081179** · PHASE1 · COMPLETED · sponsor: **University of Zurich** · enrollment: 122 (actual)

## Conditions studied

- Healthy

## Interventions

- **DRUG:** Psilocybin
- **DRUG:** 3,4 Methylenedioxymethamphetamine
- **DRUG:** Methylphenidate

## Key facts

- **NCT ID:** NCT06081179
- **Lead sponsor:** University of Zurich
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-10-24
- **Primary completion:** 2025-09-22
- **Final completion:** 2025-09-22
- **Target enrollment:** 122 (ACTUAL)
- **Last updated:** 2025-11-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06081179

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06081179, "Does Serotonin System Stimulation Increase Pro-social Behavior? - A Comparative Pharmacological Neuroscientific Study in Healthy Humans". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT06081179. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*