Clinical trials: Caffeine, completed
Adolescent Idiopathic Scoliosis
Oral Caffeine Use for Pain Management in AIS Patients After Spinal Fusion
Prospective, randomized control trial To determine if oral caffeine decreases the frequency of opioid demand in children with adolescent idiopathic scoliosis after their spinal fusion surgery To compare pain scale ratings, number…
- Trial name
- NCT04950660
- Testing
- Caffeine Tablet
- Where
- United States
- Volunteers
- 61 people
- Sponsor
- Children's Mercy Hospital Kansas City
Healthy
Effects of Repeated Doses of Foliglurax on Drug Metabolizing Enzymes in Healthy Subjects
The purpose of this study is to help determine which types of drugs that may interact with foliglurax
- Trial name
- NCT04275115
- Testing
- Drug Cocktail, Foliglurax, midazolam iv
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- H. Lundbeck A/S
CYP1A2 Polymorphism, Caffeine and Resistance Exercise
Caffeine, CYPA12 and Resistance Exercise
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
- NCT06610110
- Testing
- Caffeine
- Where
- 2 sites in Spain
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Alberto Pérez-López
Resistance Training, Caffeine
Influence of Caffeinated and Non-caffeinated Pre-workout Supplements on Resistance Exercise Performance
This study is a randomized, double-blind, placebo-controlled crossover trial examining the effects of caffeinated and non-caffeinated pre-workout supplements on resistance exercise performance.
- Conditions
- Resistance Training, Caffeine, Dietary Supplements
- Trial name
- NCT04712578
- Testing
- Caffeinated pre-workout supplement, Non-caffeinated pre-workout supplement
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Texas Tech University
Retinopathy of Prematurity
Synergistic Pharmacologic Intervention for Prevention of ROP (SPIPROP Study)
Phase 2, open-label, randomized, multi-center studies in infants and premature infants are necessary to determine treatment and preventative strategies for ROP.
- Trial name
- SPIPROP (NCT02344225)
- Testing
- Caffeine citrate, Ibuprofen, Ketorolac
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- State University of New York - Downstate Medical Center
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
Colorectal Neoplasms
ENDO-AID Assisted Tandem Colonoscopy RCT
This study hypothesizes that more adenomas will be detected using the ENDO-AID assisted Colonoscopy compared to conventional colonoscopy.
- Trial name
- NCT05013125
- Testing
- ENDO-AID CADe assisted Colonoscopy
- Where
- Hong Kong
- Volunteers
- 360 people
- Sponsor
- Chinese University of Hong Kong
Obesity Prevention, Bariatric Surgery Complications
Efficacy of Intermittent Fasting Versus Continuous Caloric Restriction in the Treatment of Significant Weight Regain After Bariatric Surgery
Intermittent fasting has gained relevance in recent years because it allows for significant weight loss with improvement in cardiovascular risk factors similar to calorie-restricted diets without people having to track calories…
- Conditions
- Obesity Prevention, Bariatric Surgery Complications, Intermittent Fasting
- Trial name
- NCT06766747
- Testing
- Intermittent Fasting, Continuous calorie restriction
- Where
- Colombia
- Volunteers
- 16 people
- Sponsor
- Hospital Universitario San Ignacio
Alcohol-Related Disorders, Drinking and Driving
Interaction of Alcohol With Energy Drinks
The main objective of the project is to assess whether there is an interaction between the effects of ethanol and energy drinks on driving performance.
- Trial name
- AEDED (NCT02771587)
- Testing
- Alcohol and energy drink, Alcohol, Energy drink
- Where
- 2 sites in Spain
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Parc de Salut Mar
Healthy
Genetic Information and Dietary Intake Behaviour
This study's primary objective is to determine if providing individuals with personal genetic information impacts dietary intake behaviour.
- Trial name
- NCT01353014
- Testing
- Dietary advice with genetic information, General dietary recommendations
- Where
- Canada
- Volunteers
- 138 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Healthy
Influence of Coffee Consumption on BIA-derived Body Composition Parameters
Body composition analysis is frequently used in both clinical and research settings for evaluation of nutritional status and follow-up.
- Trial name
- NCT03745508
- Testing
- Instant Coffee
- Where
- Canada
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Attention Difficulties
Guayusa: The Effect of an Herbal Extract on Alertness and Mental Fatigue
The primary objective of this randomized, double-blind, placebo-controlled, cross-over study is to assess the acute effects of a novel ingredient, guayusa on alertness and mental fatigue compared to a placebo.
- Trial name
- NCT05530915
- Testing
- Gel capsule
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- PepsiCo Global R&D
Sleep
The RELAX TO SLEEP Study
Sleep is a biological process essential for health. Being hospitalized can exacerbate common sleep difficulties in children. Factors that contribute to sleep disturbances during hospitalization include environmental…
- Trial name
- NCT01734148
- Testing
- Relax To Sleep Program
- Where
- Canada
- Volunteers
- 48 people
- Sponsor
- The Hospital for Sick Children
Healthy
Effects of Commonly Used Medications on Mood and Choice
This non-treatment study will examine how commonly used prescription or over-the-counter medications may influence mood and medication preference.
- Trial name
- NCT03652740
- Testing
- Methylphenidate, Nicotine
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Enuresis, Nocturnal, Enuresis
MyPad - Intelligent Bladder Pre-void Alerting System
Development a 'dry alarm' that can help children and adolescents become dry at night.
- Trial name
- MyPad (NCT04280887)
- Testing
- MyPad
- Where
- United Kingdom
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Lancashire Teaching Hospitals NHS Foundation Trust
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 Subjects
The Effects of Coffee
In this study, participants will be eligible to participate in a paid research study that will examine the effects of regular coffee drinking. The study takes approximately 2 hours total, 55 min. on 2 separate days.
- Trial name
- NCT00336271
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- American University
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
Type 1 Diabetes
Effects of Acute Intake of Caffeinated Beverages in Type 1 Diabetes
The aim of this pilot study is to determine the impact of caffeine-enhanced energy drinks on blood glucose excursion on heart rate, blood pressure, cardiac output and cognitive performance in patients with type 1 diabetes.
- Trial name
- REDBULL (NCT01805700)
- Testing
- Caffeine enhanced energy drink, Glucose drink
- Where
- United Kingdom
- Volunteers
- 20 people
- Sponsor
- The Royal Bournemouth Hospital
Athletes
The Acute Effects of Combined Caffeine and Sodium Bicarbonate Consumption on Isometric Mid-thigh Pull
The aim of this study was to investigate the effects of isolated and combined caffeine and sodium bicarbonate consumption on acute isometric mid-thigh pull (IMTP) strength, and verify whether they are cumulative, neutral or…
- Trial name
- NCT05883046
- Testing
- Performance-Enhancing Substances, Baseline (Control)
- Where
- Turkey (Türkiye)
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Bozok University