Caffeine

101 registered clinical trials studyying Caffeine — 12 currently recruiting.

Status	Trial	Sponsor	Phase
Not Yet Recruiting	Sublingual Caffeine on Reducing Recovery Time and Postoperative Agitation in Elderly Patients Undergoing Gener NCT07536568	Cairo University	N/A
Not Yet Recruiting	Caffeine for Infants Born at 28 to 34 Weeks Receiving Respiratory Support NCT07456670	Queen's University	Phase 2
Not Yet Recruiting	Caffeine Strategies and Fat Oxidation NCT07402902	Universidad Rey Juan Carlos	N/A
Active Not Recruiting	Effects of Caffeine Ingestion on Morning Cognitive and 4-km Time Trial Performance in Males NCT07469852	Liverpool John Moores University	Phase 1 / Phase 2
Recruiting	Effects of Variations in Caffeinated Beverages on Well-being NCT07404254	GUAYAKI SUSTAINABLE RAINFOREST PRODUCTS, INC.	N/A
Enrolling By Invitation	Effects of Caffeine Ingestion on Morning Cognitive and Muscle Repeated Sprint Performance in Males NCT07466732	Liverpool John Moores University	EARLY_Phase 1
Recruiting	Effects of Caffeinated Beverages on Well-being NCT07357818	GUAYAKI SUSTAINABLE RAINFOREST PRODUCTS, INC.	N/A
Not Yet Recruiting	The Effects of Caffeine on Exercise Physiology and Time-trial Performance in a Hot Environment NCT07129200	St. Mary's University, Twickenham	N/A
Completed	Oral Caffeine and Spinal-Induced Hypotension NCT07076654	Cairo University	N/A
Not Yet Recruiting	The Repeatability of the Effect of Caffeine Supplementation on Submaximal Physiological Responses and Cycling NCT06935214	St. Mary's University, Twickenham	N/A
Completed	5 vs 10-Minute Chewing of Caffeinated Gum: Plasma Caffeine Pharmacokinetics NCT07386899	Ege University	N/A
Completed	Effect of Low-Dose Caffeine on Performance in Elite Sitting Volleyball Players NCT07056231	Ulaç Can YILDIRIM	N/A
Not Yet Recruiting	Investigating the Acute and Chronic Effects of a Supplement Containing Caffeine, Vitamins, Minerals and Botani NCT06780774	Northumbria University	N/A
Completed	Caffeine and Sport Climbing Performance NCT07333443	University of Alcala	N/A
Completed	Caffeinated Chewing Gum on Special Forces Performance NCT06638372	National Taiwan Sport University	N/A
Completed	The Effect of Turkish Coffee on Postural Control and Hand-eye Coordination in Young Adults NCT06561113	Bezmialem Vakif University	N/A
Completed	Acute Effects of Beetroot Juice and Caffeine Co-ingestion on Lower-limb Strength and Muscular Endurance in Fem NCT06758323	Jose Manuel Jurado Castro	N/A
Completed	Acute Effects of PLT Health Solutions zümXR Extended-Release Caffeine NCT06441695	Applied Science & Performance Institute	N/A
Completed	Caffeinated Chewing Gum & Wrestling Performance NCT06758336	National Taiwan Sport University	N/A
Withdrawn	PK and Safety of Caffeine in Neonates With Hypoxic Ischemic Encephalopathy Receiving Therapeutic Hypothermia NCT05295784	University of Arkansas	Phase 1
Completed	Caffeinated Chewing Gum on 400-meter Performance NCT06430996	Chih-Hui Chiu	N/A
Completed	Caffeine & Bodybuilding Dehydration Ability NCT06431035	Chih-Hui Chiu	N/A
Completed	Caffeinate Chewing Gum on Ice Hockey Performance NCT06557655	National Taiwan Sport University	N/A
Unknown	Caffeine and Training Intensity Quantification NCT06210984	St. Mary's University, Twickenham	N/A
Unknown	Motivational, Affective and Performance Effects of Caffeine Supplementation NCT06321861	Jagiellonian University	N/A
Unknown	Baby-CINO: CaffeINe Treatment Optimisation in Premature Infants NCT06416956	University of Oxford	—
Completed	The Effects of Nitrate, Caffeine, and Cold Exposure on Cardiovascular Function. NCT06602921	Loughborough University	N/A
Completed	Effects of Caffeine Ingestion on the Biomechanics of Healthy Young Subjects NCT06039358	University of Vic - Central University of Catalonia	N/A
Completed	The Turkish Version Of The Brief-Caffeine Expectancy Questionnaire NCT06038903	Eskisehir Technical University	—
Completed	Caffeine, Resistance Exercise and EMG NCT06606652	University of Alcala	N/A
Completed	Effect of Acute Caffeine and Beetroot Juice Intake on Strength, Power, and Muscular Endurance NCT06596395	University of Alcala	N/A
Completed	Effects Of Caffeine On Cognitive Performance NCT05995314	University of Castilla-La Mancha	N/A
Completed	Effects of Caffeinated Gum on a Basketball-specific Tests in Basketball Players NCT06016985	Chih-Hui Chiu	N/A
Recruiting	Caffeine Optimization Versus Standard Caffeine Dosage (2B-2) NCT05588934	University of Arizona	N/A
Recruiting	Effects of Caffeine on Reinforcement Learning in Healthy Adults Using PET/MRI NCT06763172	Hsiao-Ying Wey	Phase 4
Completed	Effects of Caffeine, L-Theanine, and Diaphragmatic Breathing on Esports Players' Performance NCT06621797	Hacettepe University	N/A
Unknown	Consequences of Caffeine Intake in Sleep Restricted Teenagers NCT05790161	Psychiatric Hospital of the University of Basel	N/A
Completed	Caffeine and Hypoxia During Exercise in Males and Females NCT05764018	Jozef Stefan Institute	N/A
Completed	Improving Cognition With Neurodegradation Countermeasure NCT05715073	University of South Carolina	N/A
Completed	A Clinical Trial to Assess the Efficacy of a Plant-based Energy Shot on Focus and ADHD-like Symptoms NCT05857956	Proper Wild, Inc.	N/A
Completed	Effects of Energy Drinks on Sleep and Cardiovascular Health NCT05503732	Mayo Clinic	N/A
Unknown	The Effects of Caffeine on Heart Rate and Heart Rate Variability NCT05521386	St Mary's University College	N/A
Completed	Caffeine Dose: Performance and Recovery NCT07090421	Ulaç Can YILDIRIM	N/A
Completed	Effects of Caffeine on Upper Extremity Performance NCT05916352	Cyprus International University	N/A
Completed	Caffeine Citrate Use and Electronic Activity of the Diaphragm (EDI) Changes NCT05393817	Seoul St. Mary's Hospital	—
Completed	Sleep Deprivation Study NCT05560620	NeuroCatch Inc.	N/A
Completed	Caffeinated Gum Softball Performance NCT06079996	Chih-Hui Chiu	N/A
Active Not Recruiting	Does Caffeine Facilitate Human Reward Learning Behaviors? NCT05325502	Yu-Shiuan Lin	N/A
Recruiting	The Caffeine Therapy in the Fetal to Neonatal Transition NCT05454332	Hospital de Clinicas de Porto Alegre	Phase 4
Completed	Caffeine Intake Inrelation to Perioperative Analgesic Consumption NCT05330754	Ain Shams University	—
Completed	Consumption Status of Caffeine and Adverse Effects Experience Among Anesthetists NCT05323578	Ain Shams University	—
Completed	Carbohydrate Rinsing and Caffeine Gum on Performance of Romanian Deadlifts Performance NCT05900349	National Taiwan Sport University	N/A
Completed	Caffeine Supplementation, Resistance Training and Blood Antioxidant Status NCT05230303	The Jerzy Kukuczka Academy of Physical Education in Katowice	N/A
Completed	Caffeine Supplementation Improves the Cognitive Abilities and Shooting Performance of Trained E-sports Players NCT05521347	National Taiwan Sport University	N/A
Unknown	Placebo Effects Investigated by Different Experimental Designs NCT04317157	University of Sao Paulo	N/A
Completed	Caffeine vs. ALA in BMS Treatment. (BMS: Burning Mouth Syndrome. ALA: Alpha-Lipoic Acid.) NCT06195137	Lu Jiang	N/A
Completed	Changes in Metabolic Rate and Perceptual Indicators After Acute Ingestion of Paraxanthine NCT05811923	Lindenwood University	N/A
Completed	Energy Drink Effects on Performance, Mood, and Cardiovascular Outcomes NCT05559372	Nathaniel Jenkins	N/A
Completed	Can Coffee/Caffeine Improve Post-Operative Gastrointestinal Recovery NCT04547868	Sunnybrook Health Sciences Centre	N/A
Completed	Target Weaning Oxygen to Determine Cafffeine Duration for AOP NCT04868565	Children's Hospital of Chongqing Medical University	Phase 4
Unknown	Pain Management After Shoulder Arthroplasty NCT04872270	Rothman Institute Orthopaedics	Phase 3
Completed	The Effects of Caffeine on Physical Performance of Ice Hockey Players NCT05170139	Universidad de Zaragoza	N/A
Completed	Influence of Caffeinated and Non-caffeinated Pre-workout Supplements on Resistance Exercise Performance NCT04712578	Texas Tech University	N/A
Completed	Real-Time Caffeine Optimization During Total Sleep Deprivation NCT04399083	University of Arizona	N/A
Completed	Caffeine and Cerebrovascular Reactivity NCT04730193	University of Oklahoma	EARLY_Phase 1
Suspended	Effect of Caffeine Supplementation and Personalized Insoles on Females NCT04642131	Universidad de Zaragoza	N/A
Completed	Effect of Caffeine on Myocardial Oxygenation NCT04585854	Insel Gruppe AG, University Hospital Bern	N/A
Completed	Genetics in the Effect of Caffeine on Fat Oxidation NCT05975489	Universidad Francisco de Vitoria	N/A
Completed	Remote Guided Caffeine Reduction NCT04560595	Johns Hopkins University	N/A
Unknown	Associations Between Genetic Markers of Caffeine Metabolism, Appetite Hormones and Body Weight NCT04514588	Gkouskou Kalliopi	N/A
Completed	Acute Caffeine Ingestion on Futsal Performance NCT04852315	Universidad Francisco de Vitoria	N/A
Completed	Neuroplastic Alterations of the Motor Cortex by Caffeine NCT04011670	University Medical Center Goettingen	N/A
Unknown	Direct Effect of Caffeine on Diaphragmatic Muscles NCT04483492	Hacettepe University	—
Completed	Delayed-release Bedtime Caffeine and Sleep Inertia Symptoms Immediately Upon Awakening NCT04975360	University of Zurich	N/A
Completed	Protocol PERCAF 2018 NCT03859882	Institut de Recherche Biomedicale des Armees	N/A
Completed	Fluids Affecting Bladder Urgency and Lower Urinary Symptoms NCT03625492	University of Michigan	N/A
Completed	The Effects of Iontophoresis in Women With Gynoid Hidrolipodystrophy. NCT03556917	Universidade Norte do Paraná	Phase 2 / Phase 3
Completed	Effects of Caffeine on Sleep-wake Regulation in Teenagers NCT04321785	Carolin Reichert	N/A
Completed	Acute Effects of Fitness Drink Formulas on Energy Expenditure and Fat Metabolism NCT04455009	University of Central Florida	N/A
Completed	The Effect of Caffeine Ingestion in Prevention of Postoperative Ileus After Caesarean Section. NCT03815877	Ain Shams University	N/A
Completed	Effect of Caffeine on Heart Rate Variability in Newborns NCT04869176	University of Ljubljana	N/A
Unknown	Caffeine for Preterm Infants With Apnea of Prematurity(AOP) NCT03298347	Daping Hospital and the Research Institute of Surgery of the Third Military Medical University	N/A
Completed	Study on Sodium and Caffeine in Children and Adolescents NCT02900261	University of Lausanne Hospitals	—
Completed	The Impact of Caffeine on Cognition in Schizophrenia NCT02832401	Nova Scotia Health Authority	N/A
Completed	Influence of Caffeine Consumption on the Human Circadian System NCT05409339	Psychiatric Hospital of the University of Basel	N/A
Completed	Effects of Caffeine on EEG Theta/Beta Ratio and Cognitive Control NCT02940808	Leiden University Medical Center	N/A
Completed	Effect of Caffeine Intake in Vestibular Function NCT02825199	Instituto Brasiliense de Otorrinolaringologia	Phase 4
Completed	The Effects of e+Shots Energy Beverage on Mental Energy NCT03850275	Clarkson University	N/A
Completed	Evaluating the Role of Expectations in Response to Caffeine Consumption: An RCT NCT02461693	University of Alabama at Birmingham	N/A
Withdrawn	Metabolic and Genetic Impacts of Energy Drinks in Youth NCT03512496	University of Calgary	N/A
Completed	Effect of Feedings on Caffeine in Premature Infants NCT02293824	Duke University	—
Completed	"The Effects of Caffeine on Overactive Bladder Symptoms and Mental Health in Postmenopausal Women" NCT02180048	Loma Linda University	N/A
Completed	Influence of Caffeine on HRV and Exercise Performance in Spinal Cord Injury NCT02083328	Swiss Paraplegic Research, Nottwil	N/A
Completed	Effects of a Cocoa Shot on the Human Brain 2 NCT02080845	Wake Forest University Health Sciences	N/A
Completed	Early Versus Routine Caffeine Administration in Extremely Preterm Neonates NCT01783561	Sharp HealthCare	Phase 4
Completed	Effects of a Cocoa Shot on the Human Brain NCT01924481	Wake Forest University Health Sciences	N/A
Completed	Caffeine Citrate for the Treatment of Apnea Associated With Bronchiolitis in Young Infants NCT01435486	Hamad Medical Corporation	N/A
Completed	Neurophysiological Reserve With Caffeine Manipulation NCT01167478	University of Sao Paulo	N/A
Completed	Effects of Caffeine in Hydration and Energy Metabolism NCT01477294	Technical University of Lisbon	N/A
Completed	Genetic Determinants of Cardiovascular Response to Coffee Drinking NCT01330680	G. d'Annunzio University	N/A
Completed	The Effect of Caffeine on Ischemic Preconditioning NCT00184912	Radboud University Medical Center	N/A