Clinical trials: Caffeine, completed
Dysmenorrhea
Study to Assess the Safety and Efficacy of Etoricoxib Versus Ibuprofen in the Treatment of Dysmenorrhea (MK-0663-145 AM1)
This is a study to determine the overall analgesic effect of a single oral dose of etoricoxib compared to ibuprofen in participants with moderate-to-severe primary dysmenorrhea.
- Trial name
- NCT01462370
- Testing
- Etoricoxib, Ibuprofen, Acetaminophen 250 mg, isopropylantipyrine 150 mg and anhydrous caffeine 50 mg
- Volunteers
- 139 people
- Sponsor
- Organon and Co
Maternal Care Patterns
Depressed Mothers in Rural Areas: Web-Facilitated Cognitive Behavioral Treatment
Low income mothers of young children represent a disadvantaged group who are at exceptional risk for depressive syndromes and who have increasingly limited access to mental health services.
- Trial name
- Mom-NetRCT (NCT01535352)
- Testing
- Mom-Net, Coach-facilitated Treatment as Usual
- Where
- 2 sites in United States
- Volunteers
- 266 people
- Sponsor
- Oregon Research Institute
Mental Fatigue
Effect of Phytochemicals From Theobroma Cacao on Mental Energy
The purpose of this study is to determine which substances in cocoa produces changes in mental energy. This is a double blind study.
- Trial name
- NCT01651793
- Testing
- Caffeinated cocoa, Cocoa, Caffeine
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Georgia
Sleep Deprivation
Age-related Changes in Sleep-wake Regulation
A sleep deprivation protocol combined with state-of-the-art, simultaneous positron emission tomography and magnetic resonance spectroscopy imaging will be employed to investigate the effects of sleep deprivation and aging on…
- Trial name
- NCT03813082
- Testing
- Prolonged wakefulness
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Cytochrome, Pharmacokinetics
Pharmacokinetic Study to Investigate Low-dose Combinations of a Cocktail of Seven Drugs for Simultaneous Phenotyping of Cytochromes
The purpose of this study is to assess whether a cocktail of seven approved drugs (so-called "Basel cocktail") can be used for simultaneous phenotyping of CYP1A2, CYP2B6, CYP2C9, CYP2C19, CYP2D6, CYP2E1 and CYP3A4.
- Trial name
- NCT01187862
- Testing
- caffeine, efavirenz, losartan, omeprazole, metoprolol, chlorzoxazone and midazolam
- Where
- Switzerland
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Polycythemia Vera
Hepcidin Mimetic in Patients With Polycythemia Vera (REVIVE)
This is a Phase 2 study with an open-label dose escalation phase followed by a blinded withdrawal phase and an open label extension.
- Trial name
- NCT04057040
- Testing
- PTG-300
- Where
- 16 sites in United States, India
- Volunteers
- 70 people
- Sponsor
- Protagonist Therapeutics, Inc.
Cholelithiases, Nursing Caries
The Effect of Early Mobilization and Fluid Consumption on Bowel Movements After Cholecystectomy
Objective: The aim of this study was to determine the effect of early mobilization with consumption of tea, coffee, and warm water on bowel movements in patients who had laparoscopic cholecystectomy surgery.
- Conditions
- Cholelithiases, Nursing Caries, Perioperative Complication, Bowel Ileus
- Trial name
- NCT05800886
- Testing
- Early mobilization and tea consumption, Early mobilization and coffee consumption, Early mobilization and warm water consumption
- Where
- Turkey (Türkiye)
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Gazi University
Athletic Performance, Caffeine
Caffeine and Wrestling Performance in Male Wrestlers of Different Weight Classes: A Randomized Crossover Trial
Caffeine is commonly used by athletes to improve performance, but not everyone responds to it in the same way. In weight-class sports like wrestling, athletes are grouped by body weight.
- Conditions
- Athletic Performance, Caffeine, Wrestling
- Trial name
- CAFF-WREST (NCT07889661)
- Testing
- Caffeine
- Where
- Iran
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Islamic Azad University, Abadan Branch
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
Pre Diabetes
Abscisic Acid Effects on Glucose Homeostasis and Insulin Sensitivity
The purpose of this study is to determine the effects of oral abscisic acid (ABA) on glucose metabolism in subjects with defined prediabetes.
- Trial name
- ABA (NCT04722354)
- Testing
- Hyperinsulemic euglycemic clamp, Muscle Biopsy, Oral abscisic acid (ABA)
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- AdventHealth Translational Research Institute
Caffeine, Cognitive Change
Acute Effects of PLT Health Solutions zümXR Extended-Release Caffeine
This will be a (2 visit) double-blind, randomized, crossover design clinical study to assess the potential benefits of ER-CAFF versus IR-CAFF by assessing its impact on side effect profiles, mood states, alertness, and cognitive…
- Conditions
- Caffeine, Cognitive Change, Mood, Mood Change
- Trial name
- NCT06441695
- Testing
- xumXR extended release caffeine, immediate release caffeine
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Applied Science & Performance Institute
Healthy
Pre-Workout on Exercise Performance and Cognition
The purpose of this study is to determine the effects of four different pre-workout beverages as compared to placebo on muscular strength and endurance, perceived energy and cognitive performance in healthy adult males.
- Trial name
- NCT02255201
- Testing
- Master Performance Blend Dose 1, Master Performance Blend Dose 2, Performance Energy Blend
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Miami Research Associates
Overactive Bladder
Safety and Effectiveness of a Non-invasive Neuromodulation Device on Urgency Urinary Incontinence in Overactive Bladder
The purpose of this study is to evaluate the change from baseline between the active and sham treatment groups in the treatment of urgency (urinary) incontinence episodes (leaks).
- Trial name
- Beacon (NCT01369485)
- Testing
- (VERV™ System)
- Where
- 14 sites in United States
- Volunteers
- 163 people
- Sponsor
- Ethicon Endo-Surgery
Healthy Participants
Estimation of the Effect of Multiple Dose Ritlecitinib (PF-06651600) on the Pharmacokinetics of a Single Dose of Caffeine in Healthy Participants
This will be a Phase 1, 2 period, fixed sequence, multiple-dose, open-label study of the effect of ritlecitinib on caffeine PK in healthy participants.
- Trial name
- NCT04655040
- Testing
- Caffeine, Ritlecitinib
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Pfizer
Healthy Participants
A Study to Estimate the Effect of Multiple Dose Abrocitinib on Caffeine, Efavirenz, and Omeprazole in Healthy Participants
This is a Phase 1, open-label, multiple dose, single fixed-sequence, 2-period study to evaluate the effect of abrocitinib on the pharmacokinetics (PK) of caffeine, efavirenz and omeprazole in healthy adult participants.
- Trial name
- NCT05067439
- Testing
- Abrocitinib, Omeprazole, Caffeine
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Pfizer
Chronic Pain
AZD2066 Cocktail Study
The aims of this study are to examine the effect of repeated doses of AZD2066 and of caffeine, bupropion, tolbutamide, omeprazole, metoprolol and midazolam on the blood concentrations of each other
- Trial name
- NCT00930306
- Testing
- AZD2066, Caffeine, Tolbutamide
- Where
- 2 sites in United Kingdom
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Plasma Caffeine Concentration
Comparison of Plasma Caffeine Concentration After Oral Consumption of Caffeinated Beverages With Varied Bioactive Compounds in Healthy Volunteers
This is a Phase 1, double blind, randomized, controlled, cross-over trial. The primary outcome is to quantify the incremental area-under-the-concentration-curve (iAUC) for plasma caffeine after oral consumption of caffeinated…
- Trial name
- NCT04281758
- Testing
- Beverage
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- PepsiCo Global R&D
Focus: to Compare a Commercially Available Energy Drink, B Vitamins, Caffeine Alone, and Placebo for Effectiveness on Perceived Energy Level and Wakefulness
Efficacy of Energy Shots and Caffeine for Energy and Wakefulness Levels
The line of "5-hour Energy"® products are available over-the-counter as energy supplements. The appeal of these products involves ease of use, low caloric value, and the absence of sugar to prevent a "crash" later in the day.
- Trial name
- NCT01755299
- Testing
- Regular "5-hour Energy", Decaf "5-hour Energy", Compounded concentrated caffeine liquid
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- ProMedica Health System
Diabetes Mellitus, Type 2
Experimental Studies of the Effects of Caffeine on Glucose Regulation
This project contains experimental studies of the effects of the drug caffeine on glucose regulation in adults who have Type 2 diabetes.
- Trial name
- NCT00432887
- Testing
- caffeine administration
- Volunteers
- 150 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
ADHD
Preschool ADHD On-line Behavioral Treatment
The primary goal of the proposed project is to test the feasibility of parent and teacher/childcare providers use of the ADHD web portal-integrated behavioral treatment modules with preschool children with ADHD in order to…
- Trial name
- NCT04402528
- Testing
- Behavioral tools integrated within mehealth for ADHD software
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati