Completed NA INTERVENTIONAL 4-arm NCT01376882

Cognitive and Cerebral Blood Flow Effects of 2-week Caffeine Abstinence or Maintenance

Behavioural and Cerebral Haemodynamic Effects of Caffeine Withdrawal and Caffeine Administration Following 2-week Maintenance or Abstinence

Sponsor: Northumbria University

Conditions Caffeine Withdrawal Cerebral Haemodynamics Cognitive Function Mood

Interventions Caffeine Caffeine and Placebo Placebo Placebo and Caffeine

Updated 6 times since 2017 Last updated: Mar 28, 2013 Started: Mar 31, 2011 Primary completion: Mar 31, 2013 Completion: Mar 31, 2013

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

Listed as NCT01376882, this NA trial focuses on Caffeine Withdrawal and Cerebral Haemodynamics and remains completed. Sponsored by Northumbria University, it has been updated 6 times since 2011, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

6 versions recorded

Sep 2025 — Present [monthly]

Completed NA
Sep 2024 — Sep 2025 [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA
Jun 2018 — Jan 2021 [monthly]

Completed NA

▶ Show 1 earlier version

Jan 2017 — Jun 2018 [monthly]

Completed NA

First recorded

Mar 2011

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

• Newcastle upon Tyne, United Kingdom