Clinical trials: Caffeine
Caffeine and Resistance Exercise
Acute Caffeine Intake and Velocity Metrics
The purpose of this study was to determine whether the acute ergogenic effects of caffeine differ according to the velocity metric used to assess strength performance against different relative loads.
- Trial name
- CAF+Vel (NCT07701395)
- Testing
- Caffeine
- Where
- Spain
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of Alcala
Autism Spectrum Disorder
Psycho-educational Program to Enhance Alerting Consciousness and Seeking Support Among Family Caregivers Having Children With Autism
The goal of this study is to evaluate the effect of a psycho-educational program to enhance alert consciousness and seeking support among family caregivers having children with autism.
- Trial name
- NCT07604532
- Testing
- Psycho-educational Program
- Where
- 2 sites in Egypt
- Volunteers
- 50 people
- Sponsor
- Ain Shams University
Healthy
How Does Altering the Timing of Pre-exercise Low-dose Caffeine Ingestion Affect Endurance Exercise Performance
Investigate how manipulating the time between caffeine ingestion and exercise may alter exercise performance and cognition
- Trial name
- NCT02985606
- Testing
- Caffeine powder -60, Caffeine powder -30, Caffeine powder 0
- Where
- United Kingdom
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Exeter
Energy Metabolism, Heart Rate
Effects of a Thermogenic Dietary Supplement on Metabolic, Hemodynamic, and Mood Responses
This a randomized, double blind, placebo controlled, crossover design study which measures the effect of an available thermogenic dietary supplement on resting energy expenditure (REE), blood pressure and heart rate, and mood…
- Conditions
- Energy Metabolism, Heart Rate, Blood Pressure, Mood
- Trial name
- NCT03678116
- Testing
- Caffeine (plus Teacrine and Cayenne), Caffeine (plus Teacrine)
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Mary Hardin-Baylor
Caffeine, Sleep Deprivation
Real-Time Caffeine Optimization During Total Sleep Deprivation
Sleep deprivation (SD) has a powerful degrading effect on cognitive performance, particularly psychomotor vigilance (PV) and reaction time. Caffeine is well known to be an effective countermeasure to the effects of SD.
- Conditions
- Caffeine, Sleep Deprivation, Shift-Work Related Sleep Disturbance
- Trial name
- NCT04399083
- Testing
- Caffeine
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Preterm Birth, Caffeine
Caffeine for Infants Born at 28 to 34 Weeks Receiving Respiratory Support
The goal of this pilot clinical trial is to test if it is possible to conduct a larger study on the use of caffeine in preterm infants who need help with their breathing.
- Conditions
- Preterm Birth, Caffeine, Neonatal Outcomes
- Trial name
- CARES-Pilot (NCT07456670)
- Testing
- Caffeine
- Where
- Canada
- Volunteers
- 62 people
- Sponsor
- Queen's University
Asthma
Effects of Caffeine on Methacholine Challenge and Exhaled Nitric Oxide Levels.
To investigate whether or not the ingestion of caffeine with alter airway responsiveness to methacholine and/or change the level of exhaled nitric oxide.
- Trial name
- NCT01057875
- Testing
- caffeine, No caffeine
- Where
- Canada
- Volunteers
- 15 people
- Sponsor
- University of Saskatchewan
Sleep Inertia, Caffeine
Delayed-release Bedtime Caffeine and Sleep Inertia Symptoms Immediately Upon Awakening
Sleep inertia (sometimes also referred to as sleep drunkenness) is a disabling state of increased sleepiness, impaired mood and reduced vigilance immediately upon awakening.
- Conditions
- Sleep Inertia, Caffeine, Placebo
- Trial name
- NCT04975360
- Testing
- Caffeine
- Where
- Switzerland
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Autonomic Nervous System Imbalance
Caffeine and the Autonomic Nervous System
Caffeine consumption has been linked to dysfunction of the autonomic nervous system. In this study the investigators analyze the effects of caffeine containing drinks (including energy drinks and coffee) on ECG based parameters…
- Trial name
- NCT04886869
- Testing
- caffeine
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- LMU Klinikum
Shift Work
Effects of Operational Naps on Blood Pressure and Performance Among Night Shift Workers
Night shift work schedules disrupt sleep and have a negative impact on cardiovascular health. Most who work in public safety occupations and in healthcare work night shifts.
- Trial name
- EONN (NCT07217769)
- Testing
- No-nap, 15-min nap, 30-min nap
- Where
- United States
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Neurologic Symptoms
Fasciculations in Healthy Adults After Consumption of Caffeine: an Ultrasound Study
Fasciculations are clinically defined as spontaneous intermittent contractions of a portion of muscles. Depending on associated symptoms they may be a sign of lower motor neuron disorder.
- Trial name
- NCT05977920
- Testing
- Caffeine
- Where
- Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Zurich Regional Health Center
Caffeine and Resistance Exercise
Reproducibility of Acute Caffeine Effect
Introduction: Various studies have evaluated and verified the ergogenic effect of acute caffeine intake on sports performance, specifically on strength and power performance.
- Trial name
- NCT06606639
- Testing
- Caffeine
- Where
- Spain
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Alcala
Headache
Efficacy and Safety Study to Compare Ibuprofen + Caffeine With Ibuprofen Alone in the Treatment of Headache
Based on established therapeutic effect of ibuprofen in the treatment of headache attacks, and the action of caffeine in promoting better results when combined with treatments of first choice in the treatment of headache, this…
- Trial name
- NCT01172405
- Testing
- Ibuprofen plus caffeine, Ibuprofen
- Volunteers
- 144 people
- Sponsor
- Mantecorp Industria Quimica e Farmaceutica Ltd.
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
Healthy
The Effect of Coffee on People with High Intensity Exercise and the Characteristics of Caffeine Metabolism
The purpose of this project is to explore the relationship between the effect of coffee on exercise performance and caffeine metabolism.
- Trial name
- NCT06712667
- Testing
- Caffeine content
- Where
- China
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Shenzhen Institutes of Advanced Technology ,Chinese Academy of Sciences
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
Musculoskeletal Pain
Efficacy and Safety of the Combination of Ketoprofen and Cyclobenzaprine and Caffeine in Osteomuscular Treatment
The purpose of this study is to evaluate the safety and efficacy of an association with one anti-inflammatory and one muscle relaxant plus caffeine compared to one anti-inflammatory plus caffeine in the treatment of osteomuscular…
- Trial name
- NCT02862977
- Testing
- ketoprofen and cyclobenzaprine association with caffeine, Cyclobenzaprine with caffeine
- Where
- 6 sites in Brazil
- Volunteers
- 414 people
- Sponsor
- EMS
HIV Infections
Study on Effects of BMS-955176 on the Pharmacokinetics of Probe Substrates
The purpose of the study is to study the effects of BMS-955176 on the single-dose PK parameters of probe substrates caffeine, metoprolol, montelukast, flurbiprofen, omeprazole, midazolam, digoxin, and pravastatin
- Trial name
- NCT02578277
- Testing
- CYP and transporter probe substrates, BMS-955176, BMS-955176 plus CYP and transporter probe substrates
- Where
- United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- ViiV Healthcare
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
Solid Tumor Malignancies
A Study to Evaluate the Effects of ASA404 Alone or in Combination With Taxane-based Chemotherapies on the Pharmacokinetics of Drugs in Patients With Advanced Solid Tumor Malignancies
The purpose of this study is to evaluate the potential inhibitory effects of ASA404 on CYP1A2, CYP2C9, CYP3A4 and CYP2C19 mediated metabolism on the respective probe drugs caffeine, diclofenac, simvastatin, and omeprazole…
- Trial name
- NCT01290380
- Testing
- ASA404, DMXAA, DXAA
- Where
- 2 sites in United States
- Volunteers
- 54 people
- Sponsor
- Novartis Pharmaceuticals