Clinical trials: Caffeine
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
Athletic Performance, Cognitive Performance
Effects of Different Doses of Caffeine on Physical and Cognitive Performance in Female Handball Players
This study investigates how different doses of caffeine affect physical and cognitive performance in female handball players. Caffeine is widely used as a performance-enhancing substance, but its effects may vary depending on the…
- Conditions
- Athletic Performance, Cognitive Performance, Healthy Adult Females
- Trial name
- NCT07562256
- Testing
- Caffeine 3 mg/kg, Caffeine 6 mg/kg
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Sinop University
Spinal Hypotension, Vasopressor
Caffeine and Prophylactic Noradrenaline Requirement During Cesarean Delivery
Spinal anesthesia is the preferred regional technique in obstetric practice because it provides high maternal satisfaction and eliminates the need for airway manipulation.
- Trial name
- NCT07655245
- Testing
- Caffeine (200 mg)
- Where
- Egypt
- Volunteers
- 62 people
- Sponsor
- Cairo University
Atopic Dermatitis
Study to Investigate the Effect of Rocatinlimab (AMG 451) on the Pharmacokinetics of Multiple Cytochrome P450 (CYP450) Substrates in Participants With Moderate to Severe Atopic Dermatitis
The primary objective of the study is to evaluate the pharmacokinetics (PK) of multiple cytochrome P450 (CYP450) substrates alone and in combination with rocatinlimab in participants with moderate to severe atopic dermatitis (AD).
- Trial name
- NCT05891119
- Testing
- Caffeine, Metoprolol, Midazolam
- Where
- 7 sites in United States
- Volunteers
- 21 people
- Sponsor
- Amgen
Concussion, Brain, Sleep Disorder
Addressing Sleep in Adolescents Post-Concussion ("ASAP Study")
Hundreds of thousands of adolescents experience protracted recoveries from concussion, which can affect all aspects of their lives and create family and societal burden.
- Trial name
- ASAP (NCT05736692)
- Testing
- Brief Sleep Intervention
- Where
- United States
- Sponsor
- Children's Hospital Medical Center, Cincinnati
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
Functional Constipation
Core-Based Movement and Nutritional Counselling for Stress and Metabolic Outcomes in Overweight Women With Functional Constipation
This study will investigate the effect of core-based movement and nutritional counselling on stress, serum cortisol, and lipid profile in overweight women with functional constipation.
- Trial name
- NCT07694830
- Testing
- Guideline-Based Nutritional Counselling, Core-Based Movement Exercise Program
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Cairo University
Alzheimer Disease, Mild Cognitive Impairment
Investigating Brain Insulin Resistance in Alzheimer Disease with IntraNasal Insulin : a Multimodal Neuroimaging Study
Using simultaneous multimodal neuroimaging (FDG-PET, fMRI, EEG), this research project will aim to further investigate in vivo brain insulin signalling by exploring the effects of acute INI administration on neurometabolic and…
- Trial name
- Memori³ (NCT06391853)
- Testing
- Insulin
- Volunteers
- healthy volunteers welcome
- Sponsor
- Erasme University Hospital
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
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
Primary Dysmenorrhea
Effect of Functional Exercises on Pain and Quality of Life in Females With Primary Dysmenorrhea
The aim of the study will be to investigate the effect of functional exercises on pain and quality of life in females with primary dysmenorrhea.
- Trial name
- NCT06317532
- Testing
- Lifestyle modification advice, Functional exercises
- Where
- Egypt
- Volunteers
- 58 people
- Sponsor
- Cairo University
Energy, Fatigue
A Clinical Trial to Assess the Effects of a Vitamin Shot on Energy Levels
This is a virtual, single-arm clinical trial that will last 30 days. Participants will drink 1 bottle of the Vitamin Energy® shot daily and complete questionnaires at baseline, Day 7, Day 14, and Day 30.
- Conditions
- Energy, Fatigue, Mood, Weight Loss
- Trial name
- NCT06019858
- Testing
- Vitamin Energy Shot
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Vitamin Energy®
Energy Metabolism
Acute Effects of Caffeine on Mitochondrial Function in Peripheral Blood Mononuclear Cells
This randomized, double-blind, placebo-controlled crossover study will evaluate the acute effects of caffeine consumption on substrate utilization, resting energy metabolism, and mitochondrial function in peripheral blood…
- Trial name
- MITOCAFFEINE (NCT07873047)
- Testing
- Caffeine (5 mg/kg)
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Pontificia Universidad Catolica de Chile
Caffeine
Caffeine Supplementation, Resistance Training and Blood Antioxidant Status
The purpose of this study is to verify the effect of acute caffeine intake on resistance training volume and blood antioxidant status, in a randomised, double-blind, placebo-controlled crossover trial.
- Trial name
- NCT05230303
- Testing
- Caffeine supplementation
- Where
- Poland
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- The Jerzy Kukuczka Academy of Physical Education in Katowice
Apnea of Prematurity
MICropsampling for CAffeine in PREMature Newborns
Caffeine is one of the top five most prescribed drugs in neonatology. Caffeine has many beneficial impacts on preterm infants (cardiac, neurologic and pulmonary). One of these beneficial impacts is to prevent apnea.
- Trial name
- MICCAPREM (NCT07779915)
- Testing
- collection of an extra drop of capillary blood
- Where
- 2 sites in France
- Volunteers
- 40 people
- Sponsor
- University Hospital, Limoges
Chronic Insomnia, Depression Disorders
Effect of WBT for CI With Depression
This randomized controlled trial aims to explore the therapeutic effects of Well-Being Therapy (WBT) on patients with Chronic Insomnia accompanied by depressive symptoms.
- Trial name
- NCT06968013
- Testing
- Well-Being Therapy, Sleep Hygiene Education
- Where
- China
- Volunteers
- 84 people
- Sponsor
- Xuanwu Hospital, Beijing
Kidney Injury, Pre-Term
Improving Preterm Kidney Outcomes With Caffeine
This study is being done to see if additional caffeine citrate (20 milligrams per kilogram IV bolus) helps babies with low kidney oxygenation already being treated with caffeine citrate (20 milligrams per kilogram IV bolus on day…
- Trial name
- NCT07262060
- Testing
- Caffeine citrate
- Where
- United States
- Volunteers
- 114 people
- Sponsor
- University of Wisconsin, Madison
Healthy Elderly Citizens
The Effect of Caffeine in Elderly Citizens
The study investigated the effect of caffeine on physical performance in healthy citizens aged over 70 years. The main hypothesis was that 6 mg/kg caffeine would improve cycling endurance at 65% of expected maximal heart rate.
- Trial name
- NCT00117520
- Testing
- Caffeine
- Where
- Denmark
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Herning Hospital
Sleep Deprivation
Effect of Sleep Deprivation on Sensory Integration of Balance, Fall Risk and Postural Stability
Sleepiness caused by sleep deprivation may increase the risk of injuries and damages during physical activity. Individual data so far indicates worsening of postural stability and control with females exhibiting better static…
- Trial name
- NCT05170191
- Testing
- Sleep Deprivation
- Where
- Pakistan
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Foundation University Islamabad
Cardiovascular Diseases, Hypertension
The Acute Effect of and Energy Drink vs. Water Consumption on MAP, HR, and Energy Metabolism
The objective of this protocol is to investigate the effect of consumption of a commercially available energy drink beverage on blood pressure, heart rate, and energy metabolism
- Conditions
- Cardiovascular Diseases, Hypertension, Diet
- Trial name
- NCT06330649
- Testing
- Energy Drink, Water Control
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- The University of Texas at Arlington
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