# Influence of Caffeine Consumption on the Human Circadian System

> **NCT05409339** · NA · COMPLETED · sponsor: **Psychiatric Hospital of the University of Basel** · enrollment: 20 (actual)

## Conditions studied

- Caffeine
- Caffeine Withdrawal
- Sleep
- Circadian Rhythm

## Interventions

- **DRUG:** Caffeine
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT05409339
- **Lead sponsor:** Psychiatric Hospital of the University of Basel
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2016-05-09
- **Primary completion:** 2017-10-08
- **Final completion:** 2017-12-17
- **Target enrollment:** 20 (ACTUAL)
- **Last updated:** 2022-06-08

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05409339

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05409339, "Influence of Caffeine Consumption on the Human Circadian System". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT05409339. Licensed CC0.

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