Clinical trials: Caffeine, completed
Drug Interactions
Open-Label, Multiple-Dose, Non-Randomized Study to Assess Drug-Drug Interactions of Proellex® in Female Subjects
This study will assess possible drug-drug interactions with specific isoenzymes over a total study duration of 6-8 weeks. Blood samples collected pre and post-dose, and urine samples collected post dose will be analyzed.
- Trial name
- NCT00741468
- Testing
- Proellex, CYP1A2 probe, CYP2C9 probe
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Repros Therapeutics Inc.
Birth Weight
Effect of Caffeine on Fetal Growth
The purpose of this study is to determine whether caffeine has any effect on birth weight.
- Trial name
- NCT00131690
- Testing
- Nescafé Gold Blend (exposed), Nescafé Decaffeinated (controls)
- Where
- Denmark
- Volunteers
- 1,200 people
- Sponsor
- The Danish Epdiemiology Science Centre
Liver Cirrhosis
A Study to Compare How Different Substances (Caffeine, Warfarin, Omeprazole, Metoprolol, and Midazolam) Are Handled by the Body of Healthy People and People With Liver Cirrhosis
This study is open to healthy adults and adults with liver cirrhosis. The purpose of this study is to compare how different medicines are handled by the body in people with and without liver cirrhosis.
- Trial name
- NCT05741385
- Testing
- Caffeine, Warfarin sodium, Omeprazole
- Where
- Germany
- Volunteers
- 4 people
- Sponsor
- Boehringer Ingelheim
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
Arthritis, Rheumatoid
A Study to Evaluate the Effect of a Single Dose of CNTO 136 (Sirukumab) on CYP450 Enzyme Activities After Subcutaneous Administration in Patients With Rheumatoid Arthritis
The main purpose of this study is to evaluate the potential effects of a single dose of sirukumab on the pharmacokinetics (what the body does to a drug) of study agents that are specific for cytochrome P450 (CYP) enzymes (CYP3A4…
- Trial name
- NCT01636557
- Testing
- Sirukumab, Midazolam, Warfarin
- Where
- 5 sites in Germany, Moldova and 2 more
- Volunteers
- 12 people
- Sponsor
- Janssen Research & Development, LLC
Pain, Migraine
Efficacy and Safety of Acetaminophen, Aspirin and Caffeine With Sumatriptan in the Acute Treatment of Migraine
The main purpose of this study is to compare the efficacy and safety of aspirin, acetaminophen and caffeine (AAC) with sumatriptan and placebo in the acute treatment of migraine.
- Trial name
- NCT01248468
- Testing
- Aspirin, acetaminophen and caffeine, Sumatriptan
- Where
- 20 sites in United States
- Volunteers
- 752 people
- Sponsor
- Novartis
Health Behavior
The Effects of a Personalized Sleep Improvement App From SleepScore Labs
The study is a single-blinded randomized waitlist controlled trial that aims to assess changes in objective and self-report sleep improvement through use of a dynamic and personalized sleep improvement smartphone app and advice…
- Trial name
- NCT05195359
- Testing
- Dein Schlaf. Dein Tag. sleep improvement application powered by SleepScore
- Where
- Germany
- Volunteers
- 637 people, healthy volunteers welcome
- Sponsor
- ResMed
Physiological Stress
Impact of Supplements on Stress Markers
The goal of this clinical trial is to examine the effects of caffeine, theanine and tyrosine ingestion on markers of stress in healthy college aged individuals that are exposed to a mental stress task.
- Trial name
- NCT05592561
- Testing
- mental stress task
- Where
- United States
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Texas State University
Acute Kidney Injury
Multi-hospital Electronic Decision Support for Drug-associated Acute Kidney Injury
This study is a randomized controlled trial at eight hospitals within the University of Pittsburgh Medical Center-UPMC system. The project will assess the efficacy of a clinical surveillance system augmented with near real-time…
- Trial name
- MEnD-AKI (NCT06264752)
- Testing
- Level A, Level B, Passive Alert
- Where
- 8 sites in United States
- Volunteers
- 698 people
- Sponsor
- University of Pittsburgh
Quality of Work Life, Burn-out
Effect of in Situ Simulation on Quality of Work Life and Multiprofessional Team Effectiveness in the Intensive Care Unit
The lack of specific, personalized training for intensive care workers can lead to a deterioration in quality of life at work, and can result in burnout, absenteeism or wanting to leave the service.
- Conditions
- Quality of Work Life, Burn-out, Simulation
- Trial name
- EFFIQUASS (NCT06944821)
- Testing
- In-situ simulation, Role-playing using a simulation scenario, Questionnaires
- Where
- 2 sites in France
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Healthy
Effects of Modafinil, Caffeine and Methylphenidate in Healthy Volunteers
In this study the investigators compare three stimulants to each other. The effects of these agents on cognitive performance (eg, attention and memory) and on the brain are being measured.
- Trial name
- MKM (NCT02071615)
- Testing
- Methylphenidate 20 mg tablet given once by mouth, modafinil 200mg tablet given once by mouth, caffein 200mg tablet given once by mouth
- Where
- Germany
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
Headache, Pregnancy Related
Acute Headache Treatment in Pregnancy: Occipital Nerve Block vs PO Acetaminophen With Caffeine
This is an open label randomized controlled trial evaluating response to bupivacaine occipital nerve block compared to Tylenol/Caffeine cocktail in treatment of pregnant patients seeking care of headache.
- Conditions
- Headache, Pregnancy Related, Occipital Nerve Block
- Trial name
- NCT03951649
- Testing
- Occipital Nerve Block
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Dietary Supplements
Safety of a Ready to Drink Supplement
This study will examine a Ready to Drink (RTD) supplement.
- Trial name
- NB10 (NCT03032549)
- Testing
- RTD
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Texas A&M University
Headache, Tension-Type
A Pharmacokinetic Study of an Experimental Paracetamol Formulation
This PK study is designed to show bioequivalence between the study treatments.
- Trial name
- NCT01476176
- Testing
- Experimental paracetamol, Paracetamol marketed formulation
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Medication Overuse Headache
Medication Overuse Headache (MOH) and an Innovative Approach
Appropriate delivery of quality healthcare requires constant monitoring of the patient during follow up, particularly in the presence of chronic diseases.
- Trial name
- COMOESTAS (NCT02435056)
- Testing
- IEPR Approach
- Volunteers
- 690 people
- Sponsor
- IRCCS National Neurological Institute "C. Mondino" Foundation
Advanced Solid Tumors, Metastatic Melanoma
Pharmacokinetic Drug-drug Interaction Study of Encorafenib and Binimetinib on Probe Drugs in Patients With BRAF V600-mutant Melanoma or Other Advanced Solid Tumors
This is an open-label, 3-arm, fixed-sequence study to evaluate the effect of single and multiple oral doses of encorafenib in combination with binimetinib on the single oral dose pharmacokinetics (PK) of cytochrome P450 (CYP)…
- Trial name
- NCT03864042
- Testing
- losartan, dextromethorphan, caffeine
- Where
- 29 sites in United States, Belgium and 3 more
- Volunteers
- 56 people
- Sponsor
- Pfizer
Whiplash
Chronic Whiplash Associated Disorders: Disability, Pain (Beliefs), Central Sensitization and Brain Activity
This is a cross-sectional case-control study in which 70 patients with chronic whiplash associated disorders will be recruited and compared to 70 healthy pain-free controls.
- Trial name
- NCT04204525
- Testing
- Quantitative sensory testing
- Where
- Belgium
- Volunteers
- 120 people
- Sponsor
- University Ghent
Supraventricular Tachycardia (SVT), Atrial Fibrillation
A Study of Caffeine on Cardiac Arrhythmias
Stimulants and drugs are often associated with cardiac effects. Caffeine, a therapeutic xanthine, has been described as a sympathomimetic and has shown to have stimulatory effects on the heart.
- Trial name
- CACOA-HEART (NCT02095405)
- Testing
- Caffeine
- Where
- Canada
- Volunteers
- 160 people
- Sponsor
- Ottawa Heart Institute Research Corporation
Cirrhosis
A Study to Detect Advanced Liver Disease Via AI-enabled Electrocardiogram
The overall objectives of this study are to determine the effectiveness of ACE 2.0 model in early detection of advanced liver fibrosis, and to determine the acceptance and barriers for use of an AI-enabled algorithm for…
- Trial name
- ADVANCE (NCT05782283)
- Testing
- ACE (AI-Cirrhosis-ECG) 2.0
- Where
- United States
- Volunteers
- 248 people
- Sponsor
- Mayo Clinic
Prenatal Care
Computerized Cardiotocography and Maternal Coffee Habits
The study includes pregnant women referred for foetal antepartum computerized cardiotocography (cCTG) monitoring as outpatients.
- Trial name
- NCT05564910
- Where
- Italy
- Volunteers
- 134 people, healthy volunteers welcome
- Sponsor
- University of Campania Luigi Vanvitelli