Clinical Trials on Caffeine Withdrawal

Total 346 results

Ain Shams University

Completed

Consumption Status of Caffeine and Adverse Effects Experience Among Anesthetists

Caffeine | Caffeine Withdrawal | Caffeine Dependence

Egypt
Psychiatric Hospital of the University of Basel
Swiss National Science Foundation

Completed

Influence of Caffeine Consumption on the Human Circadian System (CICAFF)

Sleep | Circadian Rhythm | Caffeine | Caffeine Withdrawal

Switzerland
Iovate Health Sciences International Inc
Citruslabs

Completed

Effect of Different Dosages of Paraxanthine, the Major Caffeine Metabolite, on Energy and Focus

Caffeine Withdrawal | Energy | Focus

United States
Northumbria University

Completed

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

Cognitive Function | Mood | Caffeine Withdrawal | Cerebral Haemodynamics

United Kingdom
Johns Hopkins University
National Institute on Drug Abuse (NIDA)

Completed

Remote Guided Caffeine Reduction

Sleep Disorder | Diarrhea | Anxiety Disorders | Insomnia | Sleep Initiation and Maintenance Disorders | Anxiety | Sleep Disturbance | Gastrointestinal Dysfunction | Heartburn | Caffeine | Caffeine Withdrawal | Caffeine; Sleep Disorder | Caffeine Dependence | Caffeine-Induced Anxiety Disorder | Caffeine-Induced Sleep... and other conditions

United States
Nordlandssykehuset HF
King's College London; University Hospital of North Norway

Terminated

The Effects of Caffeine Withdrawal on Migraine

Migraine | Caffeine Withdrawal

Norway
Western University, Canada

Completed

The Acute Effects of Exercise and Caffeine on Working Memory During Acute Caffeine Deprivation

Caffeine Withdrawal | Acute Exercise | Memory Deficits

Canada
St. Mary's University, Twickenham

Not yet recruiting

Caffeine and Training Intensity Quantification

Caffeine
St Mary's University College

Not yet recruiting

The Effects of Caffeine on Heart Rate and Heart Rate Variability

Caffeine
Wake Forest University Health Sciences
The Hershey Company

Completed

Effects of a Cocoa Shot on the Human Brain 2

Caffeine

United States
Technical University of Lisbon

Completed

Effects of Caffeine in Hydration and Energy Metabolism

Caffeine

Portugal
National Taiwan Sport University

Completed

Caffeine Supplementation Improves the Cognitive Abilities and Shooting Performance of Trained E-sports Players

Caffeine | Placebo

Taiwan
Vedic Lifesciences Pvt. Ltd.

Completed

A Long-term Safety and Efficacy of EnXtra (E-AG-01) in Healthy Adults

Caffeine Dependence

India
Carolin Reichert
Pontificia Universidad Catolica de Chile; Swiss National Science Foundation; University...

Completed

Effects of Caffeine on Sleep-wake Regulation in Teenagers

Caffeine | Adolescence

Switzerland
University of Lausanne Hospitals
Hôpital du Valais; Federal Food Safety and Veterinary Office

Completed

Study on Sodium and Caffeine in Children and Adolescents

Caffeine | Sodium

Switzerland
Yu-Shiuan Lin

Recruiting

Does Caffeine Facilitate Human Reward Learning Behaviors? (ADoRe)

Caffeine

Switzerland
Chih-Hui Chiu

Completed

Effects of Caffeinated Gum on a Basketball-specific Tests in Basketball Players

Caffeine

Taiwan
University of Castilla-La Mancha

Completed

Effects Of Caffeine On Cognitive Performance

Caffeine

Spain
University of Oklahoma

Completed

Caffeine and Cerebrovascular Reactivity

Caffeine

United States
University Hospital Inselspital, Berne

Completed

Effect of Caffeine on Myocardial Oxygenation (Coffee-O2)

Caffeine

Switzerland
Clarkson University
Isagenix International LLC

Completed

The Effects of e+Shots Energy Beverage on Mental Energy

Caffeine
Hacettepe University

Unknown

Direct Effect of Caffeine on Diaphragmatic Muscles

Caffeine

Turkey
Chih-Hui Chiu

Completed

Caffeinated Gum Softball Performance

Caffeine

Taiwan
Leiden University Medical Center

Completed

Effects of Caffeine on EEG Theta/Beta Ratio and Cognitive Control

Caffeine

Netherlands
Mayo Clinic

Recruiting

Effects of Energy Drinks on Sleep and Cardiovascular Health

Healthy | Caffeine

United States
Ain Shams University

Completed

Caffeine Intake Inrelation to Perioperative Analgesic Consumption

Analgesia | Caffeine

Egypt
Wake Forest University Health Sciences
The Hershey Company

Completed

Effects of a Cocoa Shot on the Human Brain

Caffeine | Flavonoids

United States
University of Sao Paulo
Fundação de Amparo à Pesquisa do Estado de São Paulo

Completed

Neurophysiological Reserve With Caffeine Manipulation

Caffeine | Placebo

Brazil
University of Exeter
VDF FutureCeuticals Inc.

Completed

The Effect of a Peat and Apple Extract on Muscle ATP and Exercise Performance (APEX)

Caffeine and Endurance Performance

United Kingdom
Jagiellonian University
University School of Physical Education, Krakow, Poland; The Jerzy Kukuczka...

Recruiting

Motivational, Affective and Performance Effects of Caffeine Supplementation

Caffeine | Affect | Goals

Poland
University of Sao Paulo
Newcastle University

Not yet recruiting

Placebo Effects Investigated by Different Experimental Designs

Caffeine | Placebo | Baseline

Brazil
PepsiCo Global R&D

Completed

Comparison of Plasma Caffeine Concentration After Oral Consumption of Caffeinated Beverages With Varied Bioactive Compounds in Healthy Volunteers

Plasma Caffeine Concentration

United States
University of Waterloo
Canadian Institutes of Health Research (CIHR); Centers for Disease Control...

Completed

Validation of a 24-hour Caffeine Intake Recall

Caffeine-Related Disorders

Canada
University of South Carolina

Completed

Improving Cognition With Neurodegradation Countermeasure

Cognitive Change | Caffeine | Hemodynamics | TeaCrine

United States
Eskisehir Technical University

Completed

The Turkish Version Of The Brief-Caffeine Expectancy Questionnaire

Caffeine | Adaptation | Expectations | Language

Turkey
Chiang Mai University

Unknown

The Effect of Dosage of Caffeine on Intraocular Pressure

Intraocular Pressure | Caffeine Dosage

Thailand
Universidad Francisco de Vitoria
Universidad Miguel Hernandez de Elche; Universidad Rey Juan Carlos; University...

Completed

Acute Caffeine Ingestion on Futsal Performance (CAFFFUTSAL)

Caffeine | Placebo

Spain
G. d'Annunzio University
Institute for Scientific Information on Coffee; Italian Istituto Nazionale...

Completed

Genetic Determinants of Cardiovascular Response to Coffee Drinking

Caffeine

Italy
The Jerzy Kukuczka Academy of Physical Education...

Completed

Caffeine Supplementation, Resistance Training and Blood Antioxidant Status

Caffeine

Poland
Texas Tech University
Legion Athletics, Inc

Completed

Influence of Caffeinated and Non-caffeinated Pre-workout Supplements on Resistance Exercise Performance

Caffeine | Resistance Training | Dietary Supplements

United States
University Medical Center Goettingen

Completed

Neuroplastic Alterations of the Motor Cortex by Caffeine

Caffeine | Cortical Excitability | Brain Stimulation

Germany
National Taiwan Sport University

Completed

Carbohydrate Rinsing and Caffeine Gum on Performance of Romanian Deadlifts Performance

Caffeine | Carbohydrate

Taiwan
University of Alabama at Birmingham

Completed

Evaluating the Role of Expectations in Response to Caffeine Consumption: An RCT

Mood | Cognitive Ability, General | Caffeine | Affect
VA Salt Lake City Health Care System

Completed

Gabapentin vs Chlordiazepoxide for Ambulatory Alcohol Withdrawal

Alcohol Withdrawal

United States
University Hospital, Montpellier
Centre Hospitalier Universitaire de Nīmes

Completed

Evaluation of the Management of Tramadol Use Disorders

Withdrawal

France
Chih-Hui Chiu
National Science and Technology Council

Enrolling by invitation

Caffeinated Chewing Gum on 400-meter Performance

Caffeine | Placebo

Taiwan
Sunnybrook Health Sciences Centre

Active, not recruiting

Can Coffee/Caffeine Improve Post-Operative Gastrointestinal Recovery

Caffeine | Postoperative Ileus

Canada
Astellas Pharma Global Development, Inc.
Basilea Pharmaceutica International Ltd

Completed

A Study to Evaluate the Effect of Multiple Doses of Isavuconazole on the Pharmacokinetics of Repaglinide and Caffeine

Healthy Subjects | Pharmacokinetics of Caffeine | Pharmacokinetics of Repaglinide

United States
Universidad de Zaragoza

Completed

The Effects of Caffeine on Physical Performance of Ice Hockey Players (cafhoc)

Athletic Performance | Caffeine

Spain
St. Petersburg Bekhterev Research Psychoneurological...

Completed

Pregabalin for Opiate Withdrawal Syndrome

Opioid Withdrawal

Russian Federation

Clinical Trials on Caffeine Withdrawal

Sponsors and Collaborators

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Drug Interventions

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CROs in Zambia

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Rare Diseases

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