Clinical trials: Caffeine, completed
Healthy, Young Adults, Athletic Performance
Effects of an Acute Dose of Caffeine on the Performance of CrossFit Athletes
The goal of this clinical trial was to investigate the effect of an acute dose of caffeine on CrossFit performance in young, healthy male CrossFit athletes.
- Trial name
- NCT06891469
- Testing
- Caffeine administration according to body mass (moderate intake- 7 mg/kg)
- Where
- Greece
- Volunteers
- 12 people
- Sponsor
- Democritus University of Thrace
Panic Disorder, Healthy
Effects of Caffeine on Anxiety, Emotional Processing, Approach-avoidance Behavior, and Interoception in Panic Disorder
The current study is a placebo-controlled, double-blind, randomized controlled study using a cross-over design, including participants with Panic disorder and healthy controls.
- Trial name
- NCT05261594
- Testing
- Caffeine
- Where
- Sweden
- Volunteers
- 83 people, healthy volunteers welcome
- Sponsor
- Uppsala University
Neuroendocrine Tumors
Investigation of the Effects of Diet on the Measurement of Plasma Chromogranin in NET Patients
Measurement of plasma chromogranin A remains the most commonly used biomarkers for both screening and monitoring of patients with gastro-entero-pancreatic neuroendocrine tumours (GEP-NET), despite several limitations that…
- Trial name
- DIB-NET (NCT03288402)
- Testing
- ongoing fasted state, intake of caffeine containing beverages or 5-item English breakfast
- Where
- United Kingdom
- Volunteers
- 346 people, healthy volunteers welcome
- Sponsor
- University Hospitals Coventry and Warwickshire NHS Trust
Brain-derived Neurotrophic Factor (BDNF), Cognitive Function
Whole Coffee Fruit Concentrate Pilot Study 1
The purpose of this pilot study is to evaluate the potential effects of whole coffee fruit concentrate (WCFC, Neurofactor), a product that elevates circulating brain-derived neurotrophic factor (BDNF), on cognition and mood in…
- Conditions
- Brain-derived Neurotrophic Factor (BDNF), Cognitive Function, Affect
- Trial name
- WCFC (NCT01965795)
- Testing
- Whole Coffee Fruit Concentrate (WCFC), Nutrim
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
HIV Infections
Evaluation of Pharmacokinetic Interaction Between GSK3640254 and Caffeine, Metoprolol, Montelukast, Flurbiprofen, Omeprazole, Midazolam, Digoxin, and Pravastatin in Healthy Adults
This is an open-label, single sequence study that is being conducted to investigate the potential drug-drug interaction (DDI) when GSK3640254 is co-administered with a cocktail of cytochrome P450 (CYP) enzymes and transporter…
- Trial name
- NCT04425902
- Testing
- GSK3640254 200 mg, Caffeine 200 mg, Metoprolol 100 mg
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- ViiV Healthcare
Acute Pain Due to Trauma
Paracetamol Vs Caffeine Vs Codeine in the Management of Post Traumatic Pain in Emergencies
The purpose of this study is to: Compare the effect of paracetamol alone against Paracetamol+Codeine association against the association of paracetamol + Cafeine in the treatment of post-traumatic acute pain of the limbs.
- Trial name
- NCT05229965
- Testing
- Paracetamol, Paracetamol Codeine, Paracetamol caféine
- Where
- Tunisia
- Volunteers
- 1,500 people
- Sponsor
- University of Monastir
Sport Medicine
Effects of Rhodiola Rosea Supplementation on Mental Fatigue, Visuo-cognitive Processing, and Strength Performance
This document aims to provide information to request authorization to collect data on the effects of supplementation administered 30 minutes before resistance training on the number of repetitions, execution speed, and perceived…
- Trial name
- Rhodiola Rosea (NCT06853600)
- Testing
- Rhodiola Rosea Capsules
- Where
- Spain
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Universidad de Granada
Cardiopulmonary Arrest
Effect of the Cardio First Angle Device on CPR Outcomes
The investigators conducted a randomized, controlled, single-blinded study of patients undergoing CPR for cardiac arrest in the mixed medical-surgical ICUs of four academic teaching hospitals in Tehran, Iran from June 1 to…
- Trial name
- CFA (NCT02394977)
- Testing
- Compression with Feedback, Standard chest compression
- Volunteers
- 80 people
- Sponsor
- Baqiyatallah Medical Sciences University
Alcoholic Liver Cirrhosis
REVIVE(Randomized Exploratory Clinical Trial to Evaluate the Safety and Effectiveness of Stem Cell Product in Alcoholic Liver Cirrhosis Patient)
If the participant voluntarily agrees to participate in the clinical trial before registration, the investigator conducts a screening test to evaluate the participant's suitability.
- Trial name
- NCT01875081
- Testing
- Livercellgram
- Where
- South Korea
- Volunteers
- 72 people
- Sponsor
- Pharmicell Co., Ltd.
Recurrent Ovarian Cancer
A Drug-drug Interaction Study Of Fluzoparib (SHR3162) on Patients With Recurrent Ovarian Cancer
Primary objective: To evaluate the pharmacokinetic effects of fluzoparib on caffeine, S-warfarin, omeprazole, midazolam, repaglinide and bupropion in patients with recurrent ovarian cancer.
- Trial name
- NCT04718740
- Testing
- fluzoparib
- Where
- China
- Volunteers
- 33 people
- Sponsor
- Jiangsu HengRui Medicine Co., Ltd.
Healthy
The Effects of Caffeine on Human Spinal Motoneurons
This study evaluates the effects of orally ingested, commercially available, coffee (3 mg/kg of caffeine) on the excitability of human spinal motoneurons of the lower leg.
- Trial name
- NCT04891393
- Testing
- Coffee, Decaffeinated coffee
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Temple University
Irritable Bowel Syndrome
Tritordeum-based Foods for IBS Symptoms
People with irritable bowel syndrome (IBS), especially those with diarrhea (IBS-D), often describe worsening symptoms after eating certain foods.
- Trial name
- TritoinIBS (NCT05307185)
- Testing
- Tritordeum-based food
- Where
- Italy
- Volunteers
- 135 people
- Sponsor
- Azienda Ospedaliera Specializzata in Gastroenterologia Saverio de Bellis
Solid Tumors
Drug-drug Interaction Study of Tivantinib (ARQ 197) With Omeprazole, S-warfarin, Caffeine, Midazolam, and Digoxin in Cancer Subjects
The purpose of this study is to determine the effects of tivantinib on the pharmacokinetics of omeprazole, s-warfarin, caffein, midazolam, or digoxin in patients with cancer.
- Trial name
- NCT01517399
- Testing
- tivantinib, omeprazole, s-warfarin
- Where
- United States
- Volunteers
- 28 people
- Sponsor
- Daiichi Sankyo
Shift-Work Sleep Disorder, Insomnia
Fire Fighter Fatigue Management Program: Operation Healthy Sleep
Firefighters work some of the most demanding schedules known under highly stressful and demanding conditions. The need to work frequent extended shifts and long work weeks leads to acute and chronic partial sleep deprivation as…
- Conditions
- Shift-Work Sleep Disorder, Insomnia, Restless Leg Syndrome, Obstructive Sleep Apnea
- Trial name
- NCT01988129
- Testing
- Sleep disorders education and screening
- Where
- United States
- Volunteers
- 1,189 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Apnea of Prematurity, Premature Newborn
Effect of Feedings on Caffeine in Premature Infants
Almost all infants born <29 weeks gestational age develop apnea of prematurity and are treated with caffeine. Type of diet and disease states may be significant contributors of variability in caffeine metabolism and…
- Conditions
- Apnea of Prematurity, Premature Newborn, Caffeine
- Trial name
- NCT02293824
- Testing
- Caffeine
- Where
- 2 sites in United States
- Volunteers
- 50 people
- Sponsor
- Duke University
Anxiety Disorders, Mood Disorders
Efficacy of Sleep Interventions for Posttraumatic Stress Disorder (PTSD)
The purpose of this research study is to evaluate and compare the effects of experimental treatments aimed at improving insomnia and nightmares in men and women military veterans between the ages of 18 and 60 years old, and who…
- Conditions
- Anxiety Disorders, Mood Disorders, Insomnia, Nightmares
- Trial name
- EASI-P (NCT00393874)
- Testing
- Behavioral Sleep Intervention, Prazosin
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- University of Pittsburgh
Cognitive Functions
Cognitive Functions in Women's National Sitting Volleyball Players
This study investigates the effects of a multidimensional, 13-component sleep hygiene optimization intervention on cognitive performance (executive functions, cognitive flexibility, and psychomotor speed) and objective sleep…
- Trial name
- NCT07857720
- Testing
- Multidimensional Sleep Hygiene Optimization Protocol
- Where
- Turkey (Türkiye)
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Abant Izzet Baysal University
Cognitive Performance, Gaming Performance
Citicoline Dose on Energy Drink Efficacy
The purpose of this study is to determine how the doses of cognitive-enhancing ingredients such as citicoline and caffeine effect the efficacy of acute energy drink consumption for improving cognitive performance (primary…
- Conditions
- Cognitive Performance, Gaming Performance, Blood Pressure, Heart Rate
- Trial name
- NCT06890962
- Testing
- Energy drink consumption
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Nathaniel Jenkins
Dementia
Behavioral Sleep Intervention in Adult Family Homes
Sleep disturbances are widespread among demented residents of board and care homes and are a leading cause for transfer into nursing homes.
- Trial name
- NCT00393627
- Testing
- Sleep Education Program
- Where
- United States
- Volunteers
- 47 people
- Sponsor
- University of Washington
Use of Sleep Medications
Reducing the Unnecessary Use of Heavily Marketed Medications: A Randomized Controlled Trial
Prescribing decisions by clinicians are often thought to be simple: a patient's clinical problem leads a prescriber to choose the optimal treatment.
- Trial name
- NCT00788346
- Testing
- Computerized alerts, Alerts Plus Detailing
- Where
- United States
- Volunteers
- 257 people, healthy volunteers welcome
- Sponsor
- VA Boston Healthcare System