# The Effects of Caffeine on Heart Rate and Heart Rate Variability

> **NCT05521386** · NA · UNKNOWN · sponsor: **St Mary's University College** · enrollment: 16 (estimated)

## Conditions studied

- Caffeine

## Interventions

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

## Key facts

- **NCT ID:** NCT05521386
- **Lead sponsor:** St Mary's University College
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-09-01
- **Primary completion:** 2023-03-31
- **Final completion:** 2023-04-30
- **Target enrollment:** 16 (ESTIMATED)
- **Last updated:** 2022-08-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05521386

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05521386, "The Effects of Caffeine on Heart Rate and Heart Rate Variability". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT05521386. Licensed CC0.

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