Clinical trials: Caffeine, completed
Cocaine Dependence
Caffeine and Cocaine
This study is being done to find out if medicines that affect a neurotransmitter (chemical messenger) in the brain called adenosine improve behavioral problems that are related to drug abuse.
- Trial name
- NCT00733993
- Testing
- Caffeine 150 MG, Amphetamine, Caffeine 300 MG
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Virginia Commonwealth University
Parkinson's Disease
Caffeine as a Therapy for Parkinson's Disease
Parkinson's disease is a common neurodegenerative disorder in which patients experience progressive motor disability and many disabling non-motor symptoms.
- Trial name
- NCT01738178
- Testing
- Caffeine
- Where
- 8 sites in Brazil, Canada
- Volunteers
- 119 people
- Sponsor
- McGill University Health Centre/Research Institute of the McGill University Health Centre
Relapsing-Remitting Multiple Sclerosis
An Open-Label Immunogenicity and Pharmacokinetics Study of Daclizumab High Yield Process Prefilled Syringe in Relapsing Remitting Multiple Sclerosis
The primary objective of the study is to assess the immunogenicity of Daclizumab High Yield Process (DAC HYP) 150 mg administered every 4 weeks by subcutaneous (SC) injection using the pre-filled syringe (PFS) in participants…
- Trial name
- OBSERVE (NCT01462318)
- Testing
- Midazolam, Caffeine, S-warfarin
- Where
- 19 sites in United States, Czechia and 2 more
- Volunteers
- 133 people
- Sponsor
- Biogen
Atrial Fibrillation
Prevention of Atrial Fibrillation Following Valvular Replacement With Cardiopulmonary Bypass: a Prospective, Randomized Clinical Study Comparing Oral Caffeine With Placebo
Atrial fibrillation remains a major cause of morbidity following cardiac surgery with cardiopulmonary bypass. Many mechanisms have been implicated.
- Trial name
- NCT01999829
- Testing
- citrate of caffeine
- Where
- France
- Volunteers
- 110 people
- Sponsor
- Assistance Publique Hopitaux De Marseille
Caffeine
Effects of Caffeine on EEG Theta/Beta Ratio and Cognitive Control
Cognitive control driven by the prefrontal cortex (PFC) of the brain is thought to be important for goal-directed control over stimulus-driven processes.
- Trial name
- NCT02940808
- Testing
- Caffeine (200mg)
- Where
- Netherlands
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Leiden University Medical Center
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
Migraine Disorders
Caffeine/Propranolol Intervention for Acute Migraine
This is a research study to assess the safety of caffeine/propranolol at different dose levels. We want to find out what effects, good and/or bad, it has on patients and their migraines.
- Trial name
- NCT01080677
- Testing
- caffeine/propranolol combination tablet
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Stanford University
Postoperative Nausea and Vomiting
Caffeine in the Prevention of Post-operative Nausea and Vomiting
The objective of this study is to determine if caffeine 500 mg intravenously is efficacious when added to standard anti-emetic prophylaxis in the prevention of post-operative nausea and vomiting (PONV) in patients undergoing…
- Trial name
- NCT00130026
- Testing
- Caffeine
- Where
- United States
- Volunteers
- 135 people
- Sponsor
- Beth Israel Deaconess Medical Center
Drug Interaction
Evaluation of the Potential Pharmacokinetic Interactions Between Probe Drugs in the Geneva Phenotyping Cocktail
Phenotyping is an approach largely used for the evaluation of the activity of cytochromes and transporters in vivo. It consists of the administration of probe substances metabolised by a specific cytochrome or transported by…
- Trial name
- NCT02391688
- Testing
- Caffeine, omeprazole, flurbiprofen, dextromethorphan, midazolam, Bupropion, Fexofenadine
- Where
- Switzerland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Jules Desmeules
Mental Fatigue
The Effect of a Caffeine Blend on Reaction Time, Mental Performance and Focus in Athletic Males
This is a cross-over design study in which subjects arrived to the lab and were assigned a supplement to ingest. Prior to ingestion subjects completed baseline reaction time testing along with a questionnaire.
- Trial name
- NCT03019523
- Testing
- Caffeine Blend, Sugar Pill
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Mary Hardin-Baylor
Autonomic Failure, Orthostatic Hypotension
Treatment of Orthostatic Hypotension in Autonomic Failure
The autonomic nervous system serves multiple regulatory functions in the body, including the regulation of blood pressure and heart rate, gut motility, sweating and sexual function.
- Trial name
- NCT00223691
- Testing
- Atomoxetine, Acarbose, Pyridostigmine Bromide
- Where
- United States
- Volunteers
- 389 people
- Sponsor
- Vanderbilt University
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
Dietary Supplements, Heart Rate/Drug Effects
Caffeine and Sodium Citrate Ingestion
A positive ergogenic effect of sodium citrate and caffeine ingestion in a short-term, high-intensity exercise task was shown by several studies. These studies were conducted with healthy, able-bodied subjects.
- Conditions
- Dietary Supplements, Heart Rate/Drug Effects, Lactic Acid/Metabolism, Physical Education and Training/Methods
- Trial name
- NCT01591226
- Testing
- Caffeine, Sodium Citrate, Mannitol
- Where
- Switzerland
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Swiss Paraplegic Research, Nottwil
Healthy
Relative Bioavailability of Ibuprofen From a Single Fixed Dose Combination Tablet of Ibuprofen and Caffeine Compared to Single Tablets of Ibuprofen and Ibuprofen Lysinate
To investigate the relative bioavailability of ibuprofen from a (FDC) film-coated tablet of ibuprofen and caffeine vs. a tablet of ibuprofen (Brufen®) and a tablet of ibuprofen lysinate (Nurofen Immedia®).
- Trial name
- NCT01879371
- Testing
- Ibuprofen+caffeine FDC, Ibuprofen (Nurofen Immedia®), Ibuprofen (Brufen®)
- Where
- Germany
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Boehringer Ingelheim
Pain, Postoperative, Tooth Diseases
Efficacy and Safety of Ibuprofen and Caffeine in Dental Pain
The primary objective of this study is to compare the efficacy of a combination product containing ibuprofen 400 mg and caffeine 100 mg versus either ingredient alone as well as placebo for the treatment of post-surgical dental…
- Trial name
- NCT01929031
- Testing
- ibuprofen + caffeine, ibuprofen, caffeine
- Where
- United States
- Volunteers
- 562 people
- Sponsor
- Boehringer Ingelheim
L-theanine
Theanine and Caffeine on Neurophysiology of Attention
L-theanine and caffeine are nutritional compounds that are naturally found in tea. Our recent findings using an EEG paradigm are consistent with the findings of others, indicating that intake of L-theanine and caffeine reduce the…
- Trial name
- THECNA (NCT02770105)
- Testing
- Theanine, Caffeine, Theanine-Caffeine Combination
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Texas Tech University
Atopic Dermatitis
Open Label, Drug-Drug Interaction (DDI) Study of Dupilumab (REGN668/SAR231893) in Patients With Moderate to Severe Atopic Dermatitis (AD)
This is an open-label, single-sequence DDI study designed to examine the effects of dupilumab on the pharmacokinetics of selected cytochrome P450 substrates in adult patients with moderate to severe AD.
- Trial name
- NCT02647086
- Testing
- Dupilumab, Midazolam, Omeprazole
- Where
- 5 sites in United States
- Volunteers
- 14 people
- Sponsor
- Regeneron Pharmaceuticals
Vertigo, Diseases, Vestibular
Effect of Caffeine Intake in Vestibular Function
Objective: Assess the effect of caffeine in the following vestibular function tests: Cervical Vestibular Evoked Potential (cVEMP), Ocular Vestibular Evoked Potential(oVEMP) and Caloric Test.
- Conditions
- Vertigo, Diseases, Vestibular, Caffeine
- Trial name
- NCT02825199
- Testing
- Caffeine, Non caffeine
- Where
- Brazil
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Instituto Brasiliense de Otorrinolaringologia
Sleep Apnea, Obstructive, Tonsillectomy
The Effect of Caffeine on Postextubation Adverse Respiratory Events in Children With Obstructive Sleep Apnea (OSA).
This is a research study using caffeine in children who have an obstructive sleep apnea (OSA). OSA means children who stop breathing during their sleep due to obstruction in their airway.
- Conditions
- Sleep Apnea, Obstructive, Tonsillectomy, Adenoidectomy, Postoperative Complications
- Trial name
- OSA (NCT00273754)
- Testing
- Caffeine
- Where
- United States
- Volunteers
- 74 people
- Sponsor
- The University of Texas Health Science Center, Houston
Hepatitis C, Chronic
Drug Drug Interaction Study Between BI 201335 and BI 207127 in Chronic Hepatitis C Infected Patients
To evaluate the drug-drug interactions between BI 201335 and BI 207127 as well as their combined effect on CYP probe drug substrates and on tenofovir and raltegravir in treatment naive or prior treatment relapse patients with…
- Trial name
- NCT01525628
- Testing
- midazolam, BI 201335, tenofovir
- Where
- 16 sites in United States, Canada and 1 more
- Volunteers
- 72 people
- Sponsor
- Boehringer Ingelheim