Clinical trials: Caffeine-Related Disorders
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
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
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
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
Healthy
Salivary Proteome and Sensitivity to Bitterness
This study aims to establish whether the protein composition of healthy males contribute to their sensitivity to the bitterness of caffeine.
- Trial name
- PROTAMER (NCT01079338)
- Testing
- caffeine
- Volunteers
- healthy volunteers welcome
- Sponsor
- Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
Prematurity, Respiratory Disease
Caffeine as an Adjuvant Therapy for Late Preterm Infants With Respiratory Distress
Use of caffeine citrate in late-preterm infants with respiratory distress is questionable. Oliphant and colleagues found in a recently published study that caffeine therapy use in late-preterm infants at a loading dose of 20 and…
- Conditions
- Prematurity, Respiratory Disease, Ventilator Lung; Newborn
- Trial name
- CAT/LPT (NCT06026163)
- Testing
- Caffeine citrate
- Where
- 2 sites in Saudi Arabia
- Volunteers
- 134 people
- Sponsor
- Ministry of Health, Saudi Arabia
Caffeine, Placebo - Control
Acute Caffeine Intake in Older Adults
Evidence regarding the ergogenic effects of caffeine is well-established in young adults, but evidence in older adults remains scarce, particularly during dynamic resistance exercise.
- Trial name
- CAF+OLD (NCT07711665)
- Testing
- Caffeine
- Where
- Spain
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Alcala
Healthy
Effects of Low Doses of Caffeine on Mood, Physiology and Mental Function
It is often assumed that levels of caffeine found in 'decaffeinated' beverages are below any psychopharmacological threshold. However, recent findings indicate that caffeine doses as low as 9 mg may be psychoactive.
- Trial name
- NCT00487227
- Testing
- caffeine
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Northumbria 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
Sickle Cell Disease
Drug Interaction Study of GBT440 With Caffeine, S-warfarin, Omeprazole, and Midazolam in Healthy Subjects
The purpose of this study to evaluate the effect of concomitant administration of GBT440 on caffeine (a CYP1A2 probe substrate), S warfarin (a CYP2C9 probe substrate), omeprazole (a CYP2C19 probe substrate), and midazolam (a…
- Trial name
- NCT02567682
- Testing
- GBT440
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Global Blood Therapeutics
Fat Metabolism, Sport Nutrition
The Effects of Acute Chicory Coffee Consumption on Exercise Performance and Metabolism
The goal of this clinical trial is to evaluate the acute effects of chicory coffee on metabolism and exercise performance in healthy, moderately active male participants aged 18-25.
- Conditions
- Fat Metabolism, Sport Nutrition, Exercise Metabolism, Inflammation
- Trial name
- NCT07094191
- Testing
- Chicory Coffee (Caffeine-free, polyphenol-rich beverage from roasted chicory root), arabica coffee, no beverage control
- Where
- Turkey (Türkiye)
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Fatma Özsel Özcan
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
Athletic Performance
Effect of Caffeinated Chewing Gum on Vertical Jump Performance in Female Volleyball Players
This study aimed to examine the acute effects of caffeine intake through caffeinated chewing gum on the vertical jump performance of professional female volleyball players.
- Trial name
- CAF-GUM (NCT07240506)
- Testing
- Caffeinated chewing gum
- Where
- Turkey (Türkiye)
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Muttalip Ayar
Caffeine, Affect
Evaluating the Role of Expectations in Response to Caffeine Consumption: An RCT
The purpose of this project is to examine the effect of expectancy on mood and alertness after consumption of caffeine "treatment" or placebo "control" pill, given that participants know their probability for receiving the…
- Conditions
- Caffeine, Affect, Cognitive Ability, General, Mood
- Trial name
- NCT02461693
- Testing
- Caffeine
- Volunteers
- 205 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Symptomatic Irreversible Pulpitis
Preoperative Acetaminophen- Caffeine- Codeine Combination and Anaesthetic Success in Patients With Acute Pulpitis
The aim of the study is to evaluate the effect of preoperative administration of acetaminophen- codeine -caffeine combination on the success of the inferior alveolar nerve block versus bacetaminophen alone or placebo in patients…
- Trial name
- NCT04202406
- Testing
- Acetaminophen and codeine and caffeine, Acetaminophen
- Where
- Egypt
- Volunteers
- 69 people
- Sponsor
- Cairo 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
Obesity
Weight Loss Maintenance of a New Bioactive Compound (Metobes-Long)
The objective of the present study was to investigate the acute and sub-chronic effect of a supplement containing green tea extract, capsaisin, caffeine, tyrosine and calcium or placebo taken t.i.d on thermogenesis, body fat…
- Trial name
- NCT00302276
- Testing
- Metobes-compound
- Where
- Denmark
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Overactive Bladder
Caffeine Reduction and Overactive Bladder Symptoms
A. Statement of Objective: To conduct a randomized trial to evaluate the impact of caffeine restriction on Overactive Bladder(OAB) symptoms including urinary frequency, nocturia, incontinence episodes, symptom severity and bother…
- Trial name
- NCT00754260
- Testing
- Caffeine reduction
- Where
- 2 sites in United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of New Mexico
Pain
The Effect of Caffeine on Acupuncture Analgesia With the Human Pain Model
This is a single center, double blind, randomized, parallel-group study to assess the effect of 200mg caffeine,400mg caffeine and decaffeinated on acupuncture analgesia with the human pain model.
- Trial name
- NCT02577770
- Testing
- acupuncture, 200mg caffeine, 400mg caffeine
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Chengdu University of Traditional Chinese Medicine
Cognitive Function and Memory
Cognitive Effects of a Dietary Supplement With PQQ, GABA, Caffeine, and B-Vitamins in Healthy Postmenopausal Women: A Randomized Controlled Trial
Various food supplements have been shown to improve cognitive function. However, there is limited data on the impact of these supplements on postmenopausal women.
- Trial name
- NCT06748989
- Testing
- Cortexium food supplement
- Where
- Hungary
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- FEMPHARMA Kft.