Clinical trials: Caffeine, completed
Sleep Apnea, Obstructive, Tonsillectomy
The Effect of Caffeine on Postextubation Adverse Respiratory Events in Children With Obstructive Sleep Apnea (OSA).
This is a research study using caffeine in children who have an obstructive sleep apnea (OSA). OSA means children who stop breathing during their sleep due to obstruction in their airway.
- Conditions
- Sleep Apnea, Obstructive, Tonsillectomy, Adenoidectomy, Postoperative Complications
- Trial name
- OSA (NCT00273754)
- Testing
- Caffeine
- Where
- United States
- Volunteers
- 74 people
- Sponsor
- The University of Texas Health Science Center, Houston
Muscle Power
Effects of Caffeine-based Supplement on Physical Performance
The aim of the study was to determine the acute effects of multi-ingredient pre-workout supple-ment (MIPS) containing: beta-alanine, taurine, caffeine, L-tyrosine, and cayenne pepper (capsaicin) on physical performance in…
- Trial name
- NCT06363669
- Testing
- multi-ingredient pre-workout dietary supplement (caffeine-based)
- Where
- Poland
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University School of Physical Education, Krakow, Poland
Spinal Hypotension, Caffeine
Oral Caffeine and Spinal-Induced Hypotension
Hypotension after spinal anesthesia is critical. Thus several interventions have been proposed to mitigate such effect.
- Trial name
- NCT07076654
- Testing
- Caffeine (200 mg)
- Where
- Egypt
- Volunteers
- 90 people
- Sponsor
- Cairo University
Obesity
Effect of Coffee Consumption on Appetite Traits in Overweight and Obesity
The effect of coffee consumption on appetite is not clear, there are studies that show an effect on the regulation of energy intake, reducing hunger and/or increasing satiety.
- Trial name
- NCT05774119
- Testing
- breakfast with coffee, breakfast with water
- Where
- Mexico
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Guadalajara
Parkinson's Disease, Excessive Daytime Somnolence
Caffeine for Excessive Daytime Somnolence in Parkinson's Disease
Many patients with Parkinson's disease (PD) have sleep problems, including excessive sleepiness during the day. This is probably due to degeneration of sleep-regulating areas in the brain.
- Trial name
- NCT00459420
- Testing
- Caffeine 100-200 mg BID
- Where
- 2 sites in Canada
- Volunteers
- 58 people
- Sponsor
- Ron Postuma
Athletic Performance, Sports Performance
Effects of Afternoon Napping, Caffeine, and Standardised Active Recovery on Evening Athletic Performance
This study evaluated whether afternoon napping, caffeine ingestion, and a standardised active recovery and nutritional protocol could influence evening physical and cognitive performance in healthy university athletes.
- Conditions
- Athletic Performance, Sports Performance, Exercise Performance, Circadian Rhythm
- Trial name
- NAP-CAF-REC (NCT07652424)
- Testing
- Afternoon Nap, Caffeine, Standardised Active Recovery and Nutritional Protocol
- Where
- Tunisia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- The Higher Institute of Sport and Physical Education of Sfax
Protein Deficiency, Training Group, Sensitivity
Effects of a Pre-Workout on Performance, Perceptual Responses, Energy Feelings and Muscular Properties, After a Training Microcycle in Adults.
The investigation will be conducted as a double blinded, randomized, crossover within-participant comparison design with two 1-week intervention periods separated by 2-weeks for wash out, recovery, period.
- Conditions
- Protein Deficiency, Training Group, Sensitivity, Fatigue, Muscular Atrophy
- Trial name
- NCT04147741
- Testing
- Pre-Workout Supplement, Resistance Training, Endurance Training
- Where
- United Kingdom
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Greenwich
Pharyngitis
A Study of Flurbiprofen 8.75 mg Lozenge in Patients With Pharyngitis
The purposes of this study is to demonstrate the analgesic efficacy of flurbiprofen 8.75 mg lozenge compared to its vehicle lozenge and to demonstrate the safety of the flurbiprofen lozenge throughout the course of treating sore…
- Trial name
- NCT01048866
- Testing
- flurbiprofen, acetaminophen 650mg
- Where
- United States
- Volunteers
- 198 people
- Sponsor
- Reckitt Benckiser LLC
Multiple Sclerosis, Stroke
An Assistive Powered Wheelchair: Stage 2 Trial
Preliminary evaluation of an obstacle alerting system to enhance the user's independent mobility by improving their confidence to drive and their safety in driving a powered wheelchair.
- Conditions
- Multiple Sclerosis, Stroke, Cystic Fibrosis, Motor Neurone Disease
- Trial name
- EDUCAT (NCT05292690)
- Testing
- Powered Wheelchair Obstacle Alerting System
- Where
- United Kingdom
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- East Kent Hospitals University NHS Foundation Trust
Atrial Fibrillation, Heart Failure
A Mechanistic Exploratory Study of AF-induced Cardiac Dysfunction and Symptoms
Although the heart rhythm disorder Atrial Fibrillation (AF) affects 2% of the population, the impact it has on an effected individual can be highly variable.
- Trial name
- NCT04987723
- Testing
- Holter monitoring, stress echocardiography, Cardiac MRI
- Where
- United Kingdom
- Volunteers
- 106 people
- Sponsor
- Barts & The London NHS Trust
Cognitive Performance, Sleep Quality
The Effect of Caffeinated Chewing Gum on Cognitive Performance in Night-shift Emergency Physicians
This study aimed to examine the impact of caffeinated chewing gum on the cognitive performance of night-shift emergency physicians in a partially sleep-deprived state.
- Trial name
- NCT06693505
- Testing
- caffeinated chewing gum
- Where
- Taiwan
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Muscle Spasticity, Stroke
Multi-channel Stimulation for Post Stroke Spasticity (MUSTS)
Over 87,000 people have a first stroke in the UK each year; about 70% of victims have altered arm function and about 40% are left with a non-functional arm.
- Trial name
- MUSTS (NCT02907775)
- Testing
- ShefStim, Electrodes
- Where
- United Kingdom
- Volunteers
- 16 people
- Sponsor
- Sheffield Teaching Hospitals NHS Foundation Trust
Overweight, Obesity
A Study to Test Whether BI 456906 (Survodutide) Influences the Amount of Bupropion, Caffeine and Midazolam in the Blood in People With Overweight or Obesity
This study is open to adults with overweight or obesity who are otherwise healthy. People can join the study if they have a body mass index of 27 to 39.9 kg/m2 and a body weight over 70 kg.
- Trial name
- NCT06564441
- Testing
- Survodutide, Bupropion, Caffeine
- Where
- Belgium
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Boehringer Ingelheim
Infection, Coronavirus, Infections
Xofluza-Wearables Feasibility-Study
The goal of this prospective, interventional, single-center study is to assess whether the early detection of Influenza with smart wearable device algorithms and alerting, rapid testing, and subsequent Baloxavir treatment…
- Conditions
- Infection, Coronavirus, Infections, Influenza, Transplant
- Trial name
- NCT06161454
- Testing
- Baloxavir Marboxil
- Where
- United States
- Volunteers
- 498 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Philadelphia
Type 1 Diabetes Mellitus
The Effect of Cocoa Flavanol on the BOLD Response and Cognitive Function in Type 1 Diabetes
Type 1 Diabetes (T1D) is associated with microvascular changes in the brain, which can cause cognitive dysfunction. Cocoa flavanols (CF) can stimulate vasodilation, resulting in enhanced cerebral blood flow and better cognitive…
- Trial name
- NCT03452605
- Testing
- cocoa flavanol supplementation
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Vrije Universiteit Brussel
Neurobehavioral Manifestations, Drug Related Sleep Disturbance
Acute and Residual Effects of Caffeinated Beer
The aim of this study is to develop information about the acute and residual effects of a new product being targeted to young adults.
- Conditions
- Neurobehavioral Manifestations, Drug Related Sleep Disturbance, Alcohol Intoxication
- Trial name
- NCT00515294
- Testing
- Caffeinated Alcoholic Beer, Non-Caffeinated Alcoholic Beer, Caffeinated Non-Alcoholic Beer
- Where
- United States
- Volunteers
- 154 people, healthy volunteers welcome
- Sponsor
- Boston University
Energy, Focus
Effect of Different Dosages of Paraxanthine, the Major Caffeine Metabolite, on Energy and Focus
Research has shown that acute ingestion of Paraxanthine (1,7-dimethylxanthine, PXN) can enhance various markers of focus, including memory, reaction time, and attention in healthy adults.
- Conditions
- Energy, Focus, Caffeine Withdrawal
- Trial name
- NCT06117280
- Testing
- Paraxanthine 200 mg, Paraxanthine 300 mg
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Iovate Health Sciences International Inc
Growth Hormone Deficiency, Dwarfism
rhGH Therapy on Hepatic Drug Metabolism
The purpose of the study is to understand the effect of rhGH therapy on hepatic drug metabolism in children with idiopathic growth hormone deficiency.
- Trial name
- NCT00458991
- Testing
- Dextromethorphan and Caffeine
- Where
- 4 sites in United States
- Volunteers
- 9 people
- Sponsor
- University of Louisville
Obesity
"Pecos" B-adrenergic and PPAR-G Stimulation Upregulates Lipid Metabolism in Human Subcutaneous Fat
This study compares four treatments to see which one causes the most weight loss, fat loss, loss of abdominal fat and improvement in blood tests like cholesterol.
- Trial name
- NCT00377975
- Testing
- Ephedrine, Pioglitazone, Caffeine
- Where
- United States
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Pennington Biomedical Research Center
Withdrawal Symptoms
The Potentially Addictive Properties of Soda: A Feasibility Study
The purpose of this study to investigate the addictive properties of soda and other sugar sweetened beverages (SBBs) in teenagers aged 13-18 years.
- Trial name
- NCT02044757
- Testing
- SSB withdrawal
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University of California, Berkeley