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Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Caffeine on Human Spinal Motoneurons

ClinicalTrials.gov ID: NCT04891393

Public ClinicalTrials.gov record NCT04891393. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Nov 11, 2026, 11:04 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study evaluates the effects of orally ingested, commercially available, coffee (3 mg/kg of caffeine) on the excitability of human spinal motoneurons of the lower leg.

Study identification

NCT ID
NCT04891393
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Lead sponsor
Temple University
Other
Enrollment
20 participants

Conditions and interventions

Conditions

Interventions

Dietary Supplement

Eligibility (public fields only)

Age range
18 Years to 70 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 1, 2021 (Actual)
Primary completion
Mar 28, 2022 (Actual)
Completion
Mar 28, 2022 (Actual)
Last update posted
Apr 8, 2022

2021 – 2022

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Temple University Philadelphia Pennsylvania 19122 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04891393, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 8, 2022 · Synced Nov 11, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04891393 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →