Clinical trials: Caffeine, completed
Eating Behavior, Obesity
Caffein Consumption and Response Inhibition
With the abundance of energy-dense foods that are designed for ease of consumption in the current environment, it is of importance to better understand the factors that may undermine the control of energy intake at healthy…
- Trial name
- NCT01815203
- Testing
- Caffeine
- Where
- Sweden
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Uppsala University
Postoperative Nausea and Vomiting
Caffeine in the Prevention of Post-operative Nausea and Vomiting
The objective of this study is to determine if caffeine 500 mg intravenously is efficacious when added to standard anti-emetic prophylaxis in the prevention of post-operative nausea and vomiting (PONV) in patients undergoing…
- Trial name
- NCT00130026
- Testing
- Caffeine
- Where
- United States
- Volunteers
- 135 people
- Sponsor
- Beth Israel Deaconess Medical Center
Anesthesia
Test of Excessive Anesthetic Fresh Gas Flow Alerting in the Electronic Medical Record to Reduce Excessive Fresh Gas Flow
The primary objective of this quality improvement intervention is to test the efficacy of excessive fresh gas flow alerting in the electronic medical record for anesthesia providers.
- Trial name
- NCT06138626
- Testing
- Alert
- Where
- United States
- Volunteers
- 336 people
- Sponsor
- Stanford University
Healthy
Drug-Drug Interaction Study With PF-05089771
This study will test the potential for PF-05089771 to interact with a cocktail of drugs
- Trial name
- NCT01934569
- Testing
- Pravastatin, midazolam, losartan, omeprazole, caffeine and PF-05089771
- Where
- Belgium
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Pfizer
Healthy
Development of Minidose Inje Cocktail Method for Simultaneous Evaluating Five Cytochrome P450 Isoforms in Human
The investigators objectives were developing mini dose five-drug cocktail regimen to evaluate potential drug-drug interactions associated with use of a cocktail of caffeine, losartan, omeprazole, dextromethorphan, and midazolam…
- Trial name
- NCT01570569
- Testing
- Omeprazole, Losartan, Dextromethorphan
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Inje University
Weight Loss
An Examination of a Weight Loss Formula on Health
The aim of this study is to examine a novel weight loss formula with and without common stimulants on anthropometry and indices of cardiovascular disease risk.
- Trial name
- NB14 (NCT03395262)
- Testing
- Active with caffeine, Active without caffeine
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Texas A&M University
Cardiovascular Risk
Clinical Trial on the Effects of Caffeine and Taurine From Energy Drinks (EDs) to Parameters of the Cardiovascular System in Humans
The aim of this study is to examine the safety and the effects of EDs at high doses, either alone or in combination with other risk factors such as alcohol intake, physical exercise and sleep deprivation, on cardiovascular…
- Trial name
- NCT01421979
- Testing
- Energy Drink, Taurine, Caffeine
- Where
- Germany
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- University of Hohenheim
Drug-Interactions
Interactions Between Cannabinoids and Cytochrome P450-Metabolized Drugs
This study will evaluate drug-drug interactions between cannabis extracts containing Tetrahydrocannabinol (THC) and THC+ Cannabinoids (CBD) and probe drugs for select CYP450 pathways including: caffeine (CYP1A2), omeprazole…
- Trial name
- NCT04201197
- Testing
- Inje cocktail, THC Cannabis extract, THC/CBD Cannabis Extract
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Caffeine, Athletic Performance
Caffeine Dose and Duration in Habitual Female Users
This study compares the effects of acute (single-session) and short-term (7-day) consumption of different doses of caffeine (3 and 6 mg/kg) on maximal strength, strength endurance, vertical jump, and medicine ball throw…
- Conditions
- Caffeine, Athletic Performance, Resistance Traaining
- Trial name
- NCT07830459
- Testing
- Caffeine 3 mg/kg, Caffeine 6 mg/kg
- Where
- Iran
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Birjand University of Medical Sciences
Rheumatologic Disease
Systemic Sclerosis (SSc) Vasculopathy: Improved Clinical Monitoring and Treatment
Systemic sclerosis (SSc; scleroderma) is a multi-organ systemic disease characterized by activation of immune cells, which results in vascular dysfunction (vasculopathy) and subsequent scarring (fibrosis).
- Trial name
- Scleroderma (NCT02530996)
- Testing
- BH4, Vasculopathy assessment
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
L-theanine
Theanine and Caffeine on Neurophysiology of Attention
L-theanine and caffeine are nutritional compounds that are naturally found in tea. Our recent findings using an EEG paradigm are consistent with the findings of others, indicating that intake of L-theanine and caffeine reduce the…
- Trial name
- THECNA (NCT02770105)
- Testing
- Theanine, Caffeine, Theanine-Caffeine Combination
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Texas Tech University
Caffeine Use Disorder (DSM-5 Condition for Further Study)
Treatment for Caffeine Dependence
Recent research has shown that some individuals become addicted to or dependent on caffeine and are unable to quit or reduce caffeine consumption despite a persistent desire to do so.
- Trial name
- NCT01951872
- Testing
- Manual-based treatment for caffeine dependence
- Where
- United States
- Volunteers
- 82 people
- Sponsor
- Johns Hopkins University
Caffeine, Heart Rate Variability
Effect of Caffeine on Heart Rate Variability in Newborns
The aim of this study was to evaluate the impact of caffeine treatment, given either orally or intravenously, on heart rate variability in newborns.
- Conditions
- Caffeine, Heart Rate Variability, Apnoea of Newborn, Newborn
- Trial name
- NCT04869176
- Testing
- Electrocardiogram, Monitoring of vital functions, Caffeine Citrate 5 mg/kg
- Where
- Slovenia
- Volunteers
- 25 people
- Sponsor
- University of Ljubljana
Excessive Daytime Sleepiness, Disorders of Excessive Somnolence
Feasibility and Acceptability of a 6-Week Myofunctional and Physical Activity Program for University Students With Excessive Daytime Sleepiness
The aim of this clinical trial is to examine the feasibility, acceptability and safety of a 6-week intervention (MYOPAP) which includes oropharyngeal myofunctional therapy, physical activity guidance, and sleep hygiene education…
- Trial name
- MYOPAP (NCT07879859)
- Testing
- MYOPAP Program
- Where
- Kuwait
- Volunteers
- 14 people
- Sponsor
- Kuwait University
Energy Drinks
Effects of Energy Drinks
This study is designed to test the efficacy of energy drinks. This is a double-blinded, crossover, randomized clinical trial, measuring the effect of the test drinks compared with placebo drink in 200 participants aged 18-70…
- Trial name
- NCT02727920
- Testing
- Energy drink
- Where
- United States
- Volunteers
- 228 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Asthma, Asthma Attack
Evaluating Asthma Exacerbation-induced Changes in Lung Function With a Home-based Spirometer
The investigators will study the use of a home-based spirometer (Spirobank Smart spirometer) that connects to a smartphone app (VitalFlo) in teenagers with persistent asthma to determine if clinically significant changes in lung…
- Conditions
- Asthma, Asthma Attack, Asthma, Allergic
- Trial name
- NCT03705325
- Testing
- Spirobank Smart spirometer
- Where
- 2 sites in United States
- Volunteers
- 44 people
- Sponsor
- VitalFlo Inc.
Diabetes Mellitus, Hyperglycemia
DPBRN Blood Sugar Testing in Dental Patients
The principal goal of this study was to assess the feasibility of plasma glucose testing in private dental practice. A second aim was was to assess prevalence of plasma glucose abnormalities in dental patients seen by (DPBRN)…
- Trial name
- NCT01201460
- Where
- 7 sites in United States, Denmark
- Volunteers
- 498 people, healthy volunteers welcome
- Sponsor
- Dental Practice-Based Research Network
Narcolepsy
The Effect of Caffeine on the Narcoleptic Patients
Caffeine may be playing a beneficial role in patients with narcolepsy. However, the relationship between caffeine and its effects on narcoleptic patients has not been examined, and it is also unclear whether caffeine provides a…
- Trial name
- NCT02832336
- Testing
- Vivarin, Fiber
- Where
- Saudi Arabia
- Volunteers
- 16 people
- Sponsor
- King Saud University
Healthy
Timing of Meal and Caffeine Intake on Substrate Use and Exercise Efficiency
During the past decades, considerable emphasis has been directed to analyzing the potential role of caffeine on substrate use and exercise performance.
- Trial name
- NCT04106752
- Testing
- Caffeine
- Where
- Lebanon
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- American University of Beirut Medical Center
Unauthorized Data Access
The Effectiveness of Email Alerting on Reducing Employees' Unauthorized Access to Protected Health Information
To assess the effectiveness of email warnings on reducing repeated unauthorized access to Protected Health Information (PHI), a randomized trial was conducted in a large academic medical center to understand the effectiveness of…
- Trial name
- NCT05251844
- Testing
- receiving an email
- Where
- United States
- Volunteers
- 444 people
- Sponsor
- Protenus, Inc.