Completed NA INTERVENTIONAL 4-arm NCT00487227

Effects of Low Doses of Caffeine on Mood, Physiology and Mental Function

Levels of Caffeine Lower Than Those Found in Decaffeinated Beverages Exert Effects on Cognition, Mood, and Autonomic Activity

Sponsor: Northumbria University

Conditions Healthy

Interventions Placebo caffeine

Updated 5 times since 2017 Last updated: Oct 6, 2015 Started: Jun 30, 2005 Completion: Nov 30, 2005

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Healthy and is currently completed. Northumbria University leads this study, which shows 5 recorded versions since 2005 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

5 versions recorded

Sep 2024 — Present [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA
Jun 2018 — Jan 2021 [monthly]

Completed NA
Jan 2017 — Jun 2018 [monthly]

Completed NA

First recorded

Jun 2005

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Northumbria University

Data source: Northumbria University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

No location information available.