Clinical trials: Caffeine
Radiation Therapy, Chemoradiotherapy
Application of Intelligent Care Systems in Radiation Therapy: Enhancing Patient Safety and Reducing Anxiety Through System Optimization and Real-Time Blood Data Monitoring
This study aims to evaluate the impact of an intelligent care system on radiation therapy patients, focusing on real-time blood data monitoring, optimized patient education, and internal alert systems.
- Conditions
- Radiation Therapy, Chemoradiotherapy, Anxiety, Adherence
- Trial name
- ICS-RT (NCT06833801)
- Testing
- Real-Time Blood Data Monitoring System (Device/Software Integration), Enhanced Patient Education Materials (Behavioral/Educational Intervention), Internal Warning Signs and Alerts (Behavioral Intervention)
- Where
- Taiwan
- Volunteers
- 100 people
- Sponsor
- Chung Shan Medical University
Caffeine, Sleep
Investigating the Acute and Chronic Effects of a Supplement Containing Caffeine, Vitamins, Minerals and Botanical Extracts on Cognition, Sleep and Wellbeing, in Healthy Volunteers
The aim of the study is to investigate the acute and chronic effects of a supplement containing Caffeine, Vitamins, Minerals and Botanical extracts on cognitive function, sleep and wellbeing, in healthy volunteers.
- Conditions
- Caffeine, Sleep, Cognitive Function, Wellbeing
- Trial name
- NCT06780774
- Testing
- Caffeine, Vitamins, Minerals and Botanical Blend
- Where
- United Kingdom
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Drug Drug Interaction (DDI)
A Study Evaluating the Potential of BMS-984923 to Alter the Systemic Exposure of Three Orally Administered Probe Substrates
The goal of this study is to learn if the investigational drug, BMS-984923 will impact the exposure and clearance of other medications when given together.
- Trial name
- NCT06632990
- Testing
- BMS-984923, Midazolam, Caffeine
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Allyx Therapeutics
Caffeine Dependence, Anxiety
Remote Guided Caffeine Reduction
The purpose of this online research study is to determine whether or not a gradual caffeine reduction program developed at Johns Hopkins can help people reduce their caffeine use.
- Conditions
- Caffeine Dependence, Anxiety, Sleep Disturbance, Gastrointestinal Dysfunction
- Trial name
- NCT04560595
- Testing
- Caffeine Reduction Manual
- Where
- United States
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Healthy, Caffeine
Effects of Caffeine on Reinforcement Learning in Healthy Adults Using PET/MRI
This research study aims to determine whether and how caffeine intake affects learning process through reward feedback compared to placebo.
- Conditions
- Healthy, Caffeine, Adenosine, Dopamine D2/3 Receptor Availability
- Trial name
- Caffeine-RAC (NCT06763172)
- Testing
- Caffeine (200 mg)
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Hsiao-Ying Wey
Beetroot Juice, Caffeine
Acute Effects of Beetroot Juice and Caffeine Co-ingestion on Lower-limb Strength and Muscular Endurance in Females
The aim of this study is to evaluate the acute effects of beetroot juice and caffeine, consumed individually or in combination, on lower-limb strength and muscular endurance in physically active women.
- Conditions
- Beetroot Juice, Caffeine, Placebo, Beetroot Juice with Caffeine Co-ingestion
- Trial name
- NCT06758323
- Testing
- Beetroot juice combined with caffeine (COM)
- Where
- Spain
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Jose Manuel Jurado Castro
Drug Interaction
A Trial to Evaluate the Impact of C21 on the Exposure of 4 Substrates in Healthy Volunteers
This is a single-centre, open-label, fixed-sequence trial to evaluate the impact of C21 on the exposure of CYP1A2, CYP2C9, CYP3A4 and P-gp substrates in healthy volunteers.
- Trial name
- NCT05830799
- Testing
- Drug Drug Interaction
- Where
- Sweden
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Vicore Pharma AB
Caffeine, Control
Caffeinated Chewing Gum & Wrestling Performance
The purpose of this study was to investigate the effect of caffeinated chewing gum on sympathetic nerve activity on wrestling simulation match.
- Trial name
- NCT06758336
- Testing
- caffeine
- Where
- Taiwan
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- National Taiwan Sport University
Influenza
High-risk Influenza Vaccine Alert
The purpose of this study is to assess, prospectively, the effect on flu vaccination rates of salient alerts in the electronic health record that indicate a patient's high risk for flu and its complications.
- Trial name
- NCT05492786
- Testing
- Alert, Salient alert features, High-risk Text
- Where
- United States
- Volunteers
- 80,452 people
- Sponsor
- Geisinger Clinic
Coronary Artery Disease (CAD)
Caffeine's Effect on Regadenoson Administration With Single Photon Emission Computed Tomography (SPECT) Myocardial Perfusion Imaging (MPI)
Observe whether the administration of caffeine prior to regadenoson will affect the interpretation of test results in subjects with coronary artery disease (CAD) undergoing SPECT MPI
- Trial name
- NCT00826280
- Testing
- regadenoson, overencapsulated caffeine, technetium
- Where
- 25 sites in United States
- Volunteers
- 347 people
- Sponsor
- Astellas Pharma Inc
Exercise Response
Caffeine Mouth Rinse on Salivary Immunoglobulin A, Lactoferrin and A-Amylase Levels
The goal of this clinical trial is to investigate the effects of the mouth rinse form of caffeine (400 mg) on salivary lactoferrin, α-amylase and secretory immunoglobulin-a levels after incremental exercise in young amateur…
- Trial name
- NCT06704711
- Testing
- Caffeine 300 MG, Exercise
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Gaziantep
3 Placebo Groups in a Cycle Ergometer Session With Healthy Participants
"How Awareness and Subjectivity Modulate the Placebo Effect"
This study consists of a three-group experimental design (active placebo, passive placebo, control) with the primary outcome being perceived fatigue during a cycle ergometer training session.
- Trial name
- AS-m-P (NCT06533137)
- Testing
- Neutral ginger-flavored drink described as energizing, hypoglycemic, caffeine-based drink, Neutral ginger-flavored drink
- Where
- Italy
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Fondazione Don Carlo Gnocchi ETS
Substrate Oxidation, Energy Expenditure
Exercise-Induced Rates of Fat Oxidation with and Without Ingestion of a Caffeine-Based Energy Drink
The purpose of this study is to evaluate acute changes in rates of fat oxidation during exercise with and without the ingestion of a caffeine-based energy drink.
- Conditions
- Substrate Oxidation, Energy Expenditure, Reaction Time, Cognition
- Trial name
- EDX (NCT06308731)
- Testing
- Caffeine-Based Energy Drink
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Lindenwood University
Healthy Volunteers
Study of Human Non-Shivering Thermogenesis and Basal Metabolic Rate
Background: Changes in how a person's body burns energy or calories can affect their weight over time. The lowest level of energy the body needs to function is called basal metabolic rate.
- Trial name
- NCT01950520
- Testing
- Propranolol, Pindolol, Dantrolene
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Hypercapnia
Influence of Caffeine on Psychomotor Vigilance and Carbon Dioxide Tolerance During Graded Hypercapnia
The aim of this randomized, double-blind, placebo-controlled crossover trial is to determine the effects of caffeine vs. placebo on psychomotor vigilance and carbon dioxide tolerance during graded hypercapnia.
- Trial name
- C3F (NCT06636825)
- Testing
- Graded hypercapnia, Caffeine
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Behavioral Pharmacology of Cannabinoids
The Pharmacodynamics of Cannabinoid-Caffeine Combinations
Cannabis and caffeine are two of the most commonly consumed psychoactive substances in the world, with many consumers reporting positive impacts on energy, alertness, and focus.
- Trial name
- NCT05478863
- Testing
- Oral THC, Oral CBD, Oral Caffeine
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Exercise
Caffeine Supplementation on Movement Patterns and Reactive Agility in Rugby Sevens Matches
Caffeine is widely used by rugby players for its performance-enhancing effects. The main questions it aims to answer are: (1) the impact of caffeine supplementation on various performance metrics, including distance covered at…
- Trial name
- NCT06612463
- Testing
- Caffeine 6mg/kg
- Where
- Taiwan
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- National Taiwan Sport University
Esports, Caffeine
Effects of Caffeine, L-Theanine, and Diaphragmatic Breathing on Esports Players' Performance
The purpose of this study is to investigate whether caffeine, L-theanine (a natural amino acid found in tea), and diaphragmatic breathing exercises can help improve the game performance of esports players.
- Conditions
- Esports, Caffeine, L-theanine
- Trial name
- CLD Esports St (NCT06621797)
- Testing
- Intervention 1: Dietary Supplement - Caffeine Supplement, Intervention 2: Dietary Supplement - Caffeine + L-Theanine Supplement, Intervention 3: Dietary Supplement - Caffeine Supplement + Diaphragmatic Breathing Exercises
- Where
- Turkey (Türkiye)
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Advanced Solid Tumors, Metastatic Melanoma
Pharmacokinetic Drug-drug Interaction Study of Encorafenib and Binimetinib on Probe Drugs in Patients With BRAF V600-mutant Melanoma or Other Advanced Solid Tumors
This is an open-label, 3-arm, fixed-sequence study to evaluate the effect of single and multiple oral doses of encorafenib in combination with binimetinib on the single oral dose pharmacokinetics (PK) of cytochrome P450 (CYP)…
- Trial name
- NCT03864042
- Testing
- losartan, dextromethorphan, caffeine
- Where
- 29 sites in United States, Belgium and 3 more
- Volunteers
- 56 people
- Sponsor
- Pfizer
Caffeine and Resistance Training
Caffeine and Resistance Training in Young Adults
Introduction: Several studies have evaluated and confirmed the ergogenic effect of acute caffeine intake on sports performance, specifically on strength and power performance.
- Trial name
- NCT06610136
- Testing
- Caffeine plus Resistance training
- Where
- Spain
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Alcala