Clinical trials: Caffeine, completed
Soreness, Muscle, Performance Enhancing Product Use
Acute Study on Muscle Soreness, Damage, and Performance
The acute study will evaluate pre- and post-exercise ingestion of a multi-ingredient supplement in a randomized, double-blind, placebo-controlled, crossover design.
- Conditions
- Soreness, Muscle, Performance Enhancing Product Use, Damage Muscle
- Trial name
- NCT04230226
- Testing
- Pre-workout plus and protein recovery plus
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Pharmanex
Hand Skill, Relative
Impact of Energy Drinks on the Manual Dexterity of Final Year Dental Students
This study aims to test the hypothesis that there was a relationship between the consumption of energy drinks and the manual dexterity skills of final year dental students.
- Trial name
- NCT02535143
- Testing
- Test Cavity Preparation, Taurine, Post intervention test cavity
- Where
- Saudi Arabia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Riyadh Colleges of Dentistry and Pharmacy
Cortical Excitability, Brain Stimulation
Neuroplastic Alterations of the Motor Cortex by Caffeine
Caffeine is a psychostimulant drug. It acts as a competitive antagonist at adenosine receptors, which modulate cortical excitability as well.
- Conditions
- Cortical Excitability, Brain Stimulation, Caffeine
- Trial name
- NCT04011670
- Testing
- 200 mg caffeine tablet, Non-active tablet
- Where
- Germany
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Medical Center Goettingen
Interstitial Lung Disease, Interstitial Pulmonary Fibrosis
Enhancing Physical Activity in Patients With Interstitial Lung Disease
The level of physical activity (PA) has been shown to be an important predictor for morbidity and mortality in patients with chronic respiratory diseases such as COPD and more recently Idiopathic Pulmonary Fibrosis.
- Trial name
- NCT04138173
- Testing
- Tele coaching intervention
- Where
- Belgium
- Volunteers
- 40 people
- Sponsor
- KU Leuven
Sleep Disturbance, Sleep Deprivation
Impact of Bed Provision and Sleep Education
Investigators will recruit up to 100 families (children aged 8-12 years and their primary caregivers) from the Philadelphia-area Beds for Kids charity program, which provides beds, bedding, and sleep education to…
- Conditions
- Sleep Disturbance, Sleep Deprivation, Sleep, Insomnia
- Trial name
- NCT04536766
- Testing
- Enhanced Sleep Health Education, Beds for Kids Standard Program
- Where
- United States
- Volunteers
- 90 people
- Sponsor
- Saint Joseph's University, Philadelphia
Healthy
Impact of AMATEA™️ on Physiological Measures and Gaming Performance in Active Gamers: a Placebo Controlled, Double-blind, Randomized Study
AMATEA™ is a patented dietary supplement consisting of a unique blend of caffeine and polyphenol antioxidants; standardized at 20% caffeine, 30% chlorogenic acids (similar to green coffee).
- Trial name
- NCT04234529
- Testing
- AMATEA™, Caffeine
- Where
- United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- University of Memphis
Apnea, Preterm Infants
High Versus Low Dose of Caffeine for Apnea of Prematurity
The optimum caffeine dose for apnea of prematurity has not been well investigated so the objective of the study is to compare high versus low dose of caffeine citrate to facilitate successful extubation in mechanically ventilated…
- Trial name
- NCT02103777
- Testing
- Caffeine citrate
- Where
- Egypt
- Volunteers
- 120 people
- Sponsor
- Mansoura University Children Hospital
Mental Fatigue, Alertness
Effect of Coffeeberry on Mood and Cognitive Performance
The primary aim of this randomised, double-blind, placebo-controlled, cross-over study is to assess the short-term cognitive effects of two beverages containing 100 and 300 mg coffeeberry extract (obtained from the fruit of the…
- Conditions
- Mental Fatigue, Alertness, Mood, Cognition
- Trial name
- NCT04975802
- Testing
- Coffeeberry, Caffeine
- Where
- United Kingdom
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- PepsiCo Global R&D
Irritable Bowel Syndrome
Effect of Pilates Exercises on Patients With Irritable Bowel Syndrome
purpose: to investigate the effect of pilates exercises on patients with irritable bowel syndrome. Methods sixty patients with IBS will be recruited and randomly assigned into two groups, group A and group B.
- Trial name
- NCT05832801
- Testing
- ( Traditional dietary advice ), (Pilates exercises)
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Cairo University
Cognition, Mood
Investigation of the Acute Effects of Nepalese Pepper Extract (Zanthoxylum Armatum DC) on Cognitive Function, Mood and Gaming Performance in Young, Healthy, Competitive Gamers
The goal of this clinical trial is to learn if a Nepalese Pepper Extract (Zanthoxlum Armatum, ZA) supplement can improve cognitive performance and mental abilities in competitive gamers aged 16 to 34.
- Conditions
- Cognition, Mood, Gaming Performance, Fatigue
- Trial name
- NCT07047105
- Testing
- Nepalese Pepper (Zanthoxylum Armatum) extract 150mg, Nepalese Pepper (Zanthoxylum Armatum) extract 300mg, Caffeine 75mg
- Where
- United Kingdom
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Diabetes Mellitus, Type 1
Sleep Promotion to Improve Diabetes Management in Adolescents With T1D
Adolescents with type 1 diabetes (T1D) are at increased risk for problems with adherence and suboptimal glycemic control, and novel approaches are needed to improve outcomes in this high-risk population.
- Trial name
- NCT02786953
- Testing
- Sleep Promotion
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Vanderbilt University Medical Center
Healthy
Food Matrix Effect on Flavanol Absorption, Metabolism and Excretion: Methylxanthines
Dietary intervention study in healthy young adult males to evaluate concentration of flavanol metabolites in plasma and urine after single acute intakes of methylxanthines.
- Trial name
- NCT03526107
- Testing
- CF Control, CF-Theobromine, CF-Caffeine
- Where
- 2 sites in United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Aerial Duel Performance in Soccer Players
Combined Caffeine and Rhodiola Rosea on Aerial Duel Performance in Soccer
This study will examine whether caffeine (CAF) and Rhodiola rosea (RHO) supplementation, taken alone or in combination, can improve explosive performance and soccer-specific aerial duel performance in trained male soccer players.
- Trial name
- CCRP-AD (NCT07458594)
- Testing
- Caffeine, Rhodiola rosea extract
- Where
- 2 sites in China
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Beijing Sport University
Atrial Fibrillation
Prevention of Atrial Fibrillation Following Valvular Replacement With Cardiopulmonary Bypass: a Prospective, Randomized Clinical Study Comparing Oral Caffeine With Placebo
Atrial fibrillation remains a major cause of morbidity following cardiac surgery with cardiopulmonary bypass. Many mechanisms have been implicated.
- Trial name
- NCT01999829
- Testing
- citrate of caffeine
- Where
- France
- Volunteers
- 110 people
- Sponsor
- Assistance Publique Hopitaux De Marseille
Healthy Volunteers
Energy Drink Habituation Effects on Young Adults
The consumption of energy drinks has significantly increased in recent years but their adverse effects are not yet efficiently known.
- Trial name
- NCT04223167
- Testing
- Red Bull Energy Drink, Water
- Where
- Turkey (Türkiye)
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Aydin Adnan Menderes University
Sleep Hygiene
Sleep Hygiene Education in Associate Degree Health Sciences Students: A Randomized Controlled Trial
This randomized controlled trial evaluated the effect of a Transtheoretical Model-guided sleep hygiene education program on sleep hygiene behaviors, sleep quality, and sleep hygiene knowledge among associate degree health…
- Trial name
- NCT07190872
- Testing
- sleep hygiene education
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people
- Sponsor
- Bilecik Seyh Edebali Universitesi
Hypertension
The Feasibility of a Web-based Application to Monitor Home Blood Pressure
Control of hypertension remains one of the most important interventions available to clinicians to reduce risk of cardiovascular disease, kidney disease and stroke.
- Trial name
- NCT03116815
- Testing
- Direct input of home blood pressure readings via MyChart
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Loyola University
Anxiety
Disentangling Anxiety Sensitivity and Anxiety-induced Physiological Stress Response
The proposed study aims to investigate experimentally anxiety sensitivity and physiologic sensations associated with anxiety using a paradigm combining hydrocortisone, caffeine, and a set of social stress challenges.
- Trial name
- NCT02372110
- Testing
- HPA, ANS stimulation
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Texas at Austin
Dancesport Performance
Effects of Combined Rhodiola Rosea and Caffeine Supplementation on Dancesport Performance
This study evaluates the effects of caffeine, Rhodiola rosea, and their combined supplementation on dancesport-specific performance in male collegiate dancesport athletes.
- Trial name
- RHO-CAF-DanceS (NCT07690085)
- Testing
- Caffeine, Rhodiola Rosea Capsules, Standardized cowboy-dance-specific training program
- Where
- China
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Beijing Sport University
Effect of Drug
Whole Coffee Cherry Study
There has been increasing interest in natural dietary supplements that may support healthy cognition. Recent studies have demonstrated promising effects of bioactive phytochemicals (e.g., polyphenols) on cardiovascular and…
- Trial name
- WCCE (NCT04986956)
- Testing
- Whole coffee cherry extract
- Where
- United States
- Volunteers
- 323 people, healthy volunteers welcome
- Sponsor
- Auburn University