# Effects of Caffeine on Reinforcement Learning in Healthy Adults Using PET/MRI

> **NCT06763172** · PHASE4 · RECRUITING · sponsor: **Hsiao-Ying Wey** · enrollment: 12 (estimated)

## Conditions studied

- Healthy
- Caffeine
- Adenosine
- Dopamine D2/3 Receptor Availability

## Interventions

- **DRUG:** Caffeine (200 mg)
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT06763172
- **Lead sponsor:** Hsiao-Ying Wey
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2023-05-17
- **Primary completion:** 2026-12-31
- **Final completion:** 2026-12-31
- **Target enrollment:** 12 (ESTIMATED)
- **Last updated:** 2025-01-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06763172

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06763172, "Effects of Caffeine on Reinforcement Learning in Healthy Adults Using PET/MRI". Retrieved via AI Analytics 2026-07-02 from https://api.ai-analytics.org/clinical/NCT06763172. Licensed CC0.

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