Clinical trials: Caffeine
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
Apnea
Prophylactic Versus Therapeutic Caffeine for Apnea of Prematurity
Investigators hypothesized that the timing of caffeine administration in either prophylaxis or treatment of apnea of prematurity will affect the apnea response to caffeine
- Trial name
- NCT02677584
- Testing
- Prophylactic caffeine citrate, Therapeutic caffeine citrate
- Where
- Egypt
- Volunteers
- 180 people
- Sponsor
- Mansoura University Children Hospital
Cognitive Performance
Assessing the Effectiveness of an N-of-1 Platform Using Study of Cognitive Enhancers
The growing consumer-grade molecular and digital wellness market is generating unprecedented volumes of information to support decision-making around individual health.
- Trial name
- NCT04056650
- Testing
- L-theanine, Caffeine supplement, N1 app
- Where
- United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Caffeine Dependence
A Long-term Safety and Efficacy of EnXtra (E-AG-01) in Healthy Adults
The present study has been proposed to investigate the long-term safety and efficacy of EnXtra in healthy adults habituated to caffeine.
- Trial name
- NCT03731286
- Testing
- Alpinia Galanga, Microcellulose crystalline
- Where
- India
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Vedic Lifesciences Pvt. Ltd.
Drug Drug Interaction (DDI)
Drug-Drug Interaction (DDI) Study for TD-9855
This study is designed to assess the effect of fluvoxamine, itraconazole and smoking on the PK disposition of multiple doses TD-9855 in healthy male subjects.
- Trial name
- NCT03432793
- Testing
- TD-9855, Fluvoxamine, Itraconazole
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Theravance Biopharma
Hypertension, Healthy
Effect of Oral Caffeine and L-Citrulline Supplementation on Arterial Function in Healthy Males
Caffeine is an exceedingly popular and consumed pharmacological agent. Although caffeine is primarily consumed from coffee and tea beverages, it is also available in other forms such as sodas, energy drinks, tablets and capsules.
- Trial name
- NCT02214290
- Testing
- Caffeine, L-citrulline
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Florida State University
Advanced Solid Tumors, Excluding Breast Cancer
Pharmacokinetic Drug-drug Interaction Study of Dovitinib (TKI258) in Patients With Advanced Solid Tumors
This is a multi-center, open-label, phase I study to assess the effects of dovitinib (TKI258) on the pharmacokinetics of a cocktail of caffeine, diclofenac, omeprazole and midazolam in patients with advanced solid tumors…
- Trial name
- NCT01596647
- Testing
- caffeine, diclofenac, omeprazole
- Where
- 5 sites in United States
- Volunteers
- 39 people
- Sponsor
- Novartis Pharmaceuticals
Neutrophil Chemotactic Response
Influence of Lifestyle Factors on Neutrophil Migration Pilot Study
This study will determine how common lifestyle practices affect the behavior of neutrophils (a type of immune cell) at shorter time scales than previously possible.
- Trial name
- NCT02411318
- Testing
- Exercise, ProLab 200mg caffeine capsule, Ethanol ingestion
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Arthritis, Pain
Non-cancer Pain and Cognitive Impairment: A Disabling Relationship
To compare the efficacy of long-acting oxycodone to extended-release acetaminophen in older persons with no and mild to moderate cognitive impairment and persistent moderate or higher intensity non-cancer lower extremity…
- Conditions
- Arthritis, Pain, Cognitive Impairment
- Trial name
- NCT01264965
- Testing
- long acting oxycodone, extra strength acetaminophen
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- University of Chicago
cMET-dysregulated Advanced Solid Tumors
A DDI Study to Assess the Effect of INC280 on the PK of Midazolam and Caffeine in Patients With cMET-dysregulated Advanced Solid Tumors
Drg-drug Interaction (DDI) study to assess the effect of INC280 on the pharmacokinetics of midazolam and caffeine in patients with cMET-dysregulated advanced solid tumors
- Trial name
- NCT02520752
- Testing
- INC280, Midazolam, Caffeine
- Where
- 12 sites in United States, Bulgaria and 5 more
- Volunteers
- 37 people
- Sponsor
- Novartis Pharmaceuticals
Prescription Drug Abuse (Not Dependent)
Examining Expectancy Challenges to Prevent Nonmedical Prescription Stimulant Use
Nonmedical prescription stimulant use (NPS) is commonly reported among college students for cognitive enhancement purposes, though it is associated with numerous negative psychological and physical consequences.
- Trial name
- NCT03648684
- Testing
- Caffeine-Based Expectancy Challenge
- Where
- United States
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- University of Wyoming
Colitis, Ulcerative, Crohn Disease
Phase 4, Vedolizumab-4002 Post-marketing, Disease-Drug-Drug Interaction Study
The purpose of this study is to evaluate in a step-wise approach the disease drug-drug interaction (DDI) potential for vedolizumab to indirectly affect the exposure of cytochrome P-450 (CYP) substrate drugs by modulating…
- Trial name
- NCT02760615
- Testing
- Caffeine, Losartan, Omeprazole
- Where
- 2 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Takeda
Pain, Postoperative
Caffeine Study for Pain Control Following Total Joint Replacement
A prospective, double blinded, single center, randomized controlled study to evaluate the efficacy of caffeine in combination with acetyl salicylic acid (ASA) in the management of postoperative pain in patients undergoing total…
- Trial name
- NCT04280263
- Testing
- Caffeine
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- Rothman Institute Orthopaedics
Healthy
Pre-workout Supplement Versus Caffeine on Energy Expenditure.
The primary purpose of this study was to examine the acute effects of a multi-ingredient pre-workout supplement versus an ergogenic dose of caffeine (6 mg/kg) on energy expenditure during low-intensity exercise.
- Trial name
- NCT04539054
- Testing
- ENGN Shred, Nutricost caffeine powder, Crystal Light
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Northern Illinois University
Postural Low Back Pain, Mechanical Low Back Pain
To Evaluate the Superiority of Fixed Combination (Orfenadrine 35mg, Acetaminophen 325mg, Caffeine 65mg and Diclofenac Sodium 50mg) Compared to Voltaren® (Diclofenac Sodium 50mg) in the Treatment of Acute Postural Low Back Pain.
The purpose of this study is to determine whether the fixed combination of orphenadrine, acetaminophen, caffeine and diclofenac sodium is more effective in the treatment of an acute episode of mechanical postural low back pain…
- Trial name
- Eiffel (NCT02985671)
- Testing
- orphenadrine, acetaminophen, caffeine and diclofenac sodium, Diclofenac Sodium 50 MG
- Volunteers
- 110 people
- Sponsor
- Ache Laboratorios Farmaceuticos S.A.
Food Consumption and Appetite, Food Habits
Associations Between Genetic Markers of Caffeine Metabolism, Appetite Hormones and Body Weight
The effect of caffeine on appetite and body weight is controversial. Mostly epidemiological studies exist that show either a negative effect (reduction of appetite and body weight) or no effect.
- Conditions
- Food Consumption and Appetite, Food Habits, Caffeine
- Trial name
- NCT04514588
- Testing
- caffeine consumption
- Where
- Greece
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Gkouskou Kalliopi
Amyotrophic Lateral Sclerosis
A Study of GDC-0134 to Determine Initial Safety, Tolerability, and Pharmacokinetic Parameters in Participants With Amyotrophic Lateral Sclerosis
This first-in-human, double-blind, placebo-controlled Phase I study will be conducted in participants with amyotrophic lateral sclerosis (ALS) to explore safety, tolerability, and pharmacokinetic (PK) properties of GDC-0134.
- Trial name
- NCT02655614
- Testing
- GDC-0134, Rabeprazole, Midazolam
- Where
- 10 sites in United States, Canada and 1 more
- Volunteers
- 54 people
- Sponsor
- Genentech, Inc.
High Myopia, Choroid
Effect of Caffeine on Ocular Circulation in High Myopes
To investigate the effect of caffeine on ocular circulation by using Optical Coherence Tomography and Optical Coherence Tomography Angiography.
- Trial name
- NCT03294967
- Testing
- Caffeine, Vitamin E
- Where
- Hong Kong
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Caffeine
Direct Effect of Caffeine on Diaphragmatic Muscles
The mechanism of methylxanthines is thought to increase chemoreceptor responsiveness to CO2 in central nervous system. Besides, effect of methylxanthines on diaphragmatic contractility has also been found in experimental studies.
- Trial name
- NCT04483492
- Testing
- Caffeine citrate
- Where
- Turkey (Türkiye)
- Volunteers
- 56 people
- Sponsor
- Hacettepe University
ADCY5-related Dyskinesia
Caffeine Efficacy in ADCY5-related Dyskinesia
Heterozygous mutations in ADCY5 induce hyperactivity of striatal adenylate cyclase type 5 (AC5), manifesting as early-onset hyperkinetic movement disorders. Numerous treatments have been tried without much efficacy thus far.
- Trial name
- ADCY5-CAF (NCT04469283)
- Testing
- caffeine and movement disorders
- Volunteers
- 20 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris