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Found 24 studies with search of: Open Studies | caffeine
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Rank Status Study
1 Recruiting Efficacy of Caffeine, With and Without Biperiden, as a Maintenance Treatment for Cocaine Dependence
Condition: Cocaine Dependence
Interventions: Drug: caffeine;   Drug: Biperiden;   Drug: Placebo
2 Recruiting The Impact of Caffeine on Brachial Endothelial Function in Healthy Subjects and in Patients With Ischemic Heart Disease
Condition: Coronary Disease
Interventions: Drug: Caffeine;   Drug: Placebo
3 Recruiting The Effects of Caffeine and L-theanine Both Alone and in Combination on Cerebral Blood Flow, Cognition and Mood
Conditions: Cognitive Function;   Mood
Intervention: Dietary Supplement: Caffeine and L-theanine
4 Recruiting Caffeine for Excessive Daytime Somnolence in Parkinson's Disease
Conditions: Parkinson's Disease;   Excessive Daytime Somnolence
Interventions: Drug: Caffeine 100-200 mg BID;   Drug: placebo
5 Recruiting The Effect of Caffeine Reduction on Snoring and Quality of Life
Condition: Snoring
Intervention: Behavioral: Caffeine reduction
6 Recruiting Comparison of Caffeine Reduction and Anticholinergic Medications for Treatment of Overactive Bladder
Condition: Overactive Bladder
Interventions: Behavioral: Dietary Caffeine reduction;   Drug: Anticholinergic medication
7 Recruiting Caffeine and Cocaine
Condition: Cocaine Dependence
Interventions: Drug: Caffeine;   Drug: Placebo
8 Recruiting Caffeine Reduction and Overactive Bladder Symptoms
Condition: Overactive Bladder
Intervention: Behavioral: Reduction in caffeine intake
9 Recruiting Efficacy of Caffeine, With and Without Biperiden, in the Detoxification of Cocaine Dependent Patients
Condition: Cocaine Related Disorders
Interventions: Drug: Caffeine;   Drug: Biperiden;   Drug: Placebo
10 Recruiting Magnetic Resonance Imaging (MRI) and Neurodevelopmental Outcomes in Preterm Infants Following Administration of High-Dose Caffeine
Conditions: Apnea of Prematurity;   Intraventricular Hemorrhage;   White Matter Injury
Intervention: Drug: Caffeine citrate
11 Not yet recruiting Development of Cocktail for Measuring the Activity of Important Cytochrome P450 Enzymes
Condition: Cytochrome P450 Phenotype and Genotype Metrics
Interventions: Drug: Tramadol;   Drug: Omeprazole, losartan, caffeine;   Drug: Tramadol, omeprazole, losartan, caffeine
12 Recruiting Assessment and Treatment of Caffeine Dependence
Conditions: Self-identified Problematic Caffeine Use;   DSM-IV Substance Dependence as Applied to Caffeine
Intervention: Behavioral: Individualized caffeine cessation instructions
13 Recruiting Caffeine's Effect on Regadenoson Administration With Single Photon Emission Computed Tomography (SPECT) Myocardial Perfusion Imaging (MPI)
Condition: Coronary Artery Disease (CAD)
Interventions: Drug: regadenoson;   Drug: overencapsulated caffeine;   Radiation: technetium;   Drug: placebo
14 Not yet recruiting Validation Study of Multiple Probe Compounds for Drug Interaction Evaluation
Condition: Healthy Volunteer
Interventions: Drug: Ketoconazole;   Drug: Fluconazole;   Drug: Rifampin;   Drug: Quinidine;   Drug: Gemfibrozil;   Drug: Fluvoxamine;   Drug: Rosiglitazone;   Drug: Flurbiprofen;   Drug: Omeprazole;   Drug: Caffeine;   Drug: Dextromethorphan;   Drug: Midazolam;   Drug: Rosuvastatin
15 Not yet recruiting Effects of Coffee on Hepatic Steatosis Induced by a High Fructose Diet
Condition: Hepatic Steatosis
Interventions: Dietary Supplement: Ctl;   Dietary Supplement: High fructose diet; no coffee;   Dietary Supplement: fully torrefied, caffeine-free coffee;   Dietary Supplement: partially torrefied, caffeine-free coffee;   Dietary Supplement: Partially torrefied, caffeinated coffee
16 Recruiting Measuring Placebo Effect by Elimination and Investigating Mechanism of Action
Conditions: Placebo Effect;   Placebo Mechanisms of Action
Intervention: Drug: caffeine/placebo
17 Recruiting Treatment of Orthostatic Hypotension in Autonomic Failure
Conditions: Autonomic Failure;   Orthostatic Hypotension
Interventions: Drug: Atomoxetine;   Drug: Acarbose;   Drug: Pyridostigmine Bromide;   Drug: Yohimbine;   Drug: Midodrine HCl;   Drug: placebo;   Drug: Modafinil;   Drug: Octreotide;   Other: water intake;   Drug: Diphenhydramine Hydrochloride;   Drug: Ranitidine HCL;   Drug: Tranylcypromine;   Drug: Ergotamine/ Caffeine;   Drug: Celecoxib;   Drug: Pseudoephedrine;   Drug: Methylphenidate;   Drug: Indomethacin;   Drug: Ibuprofen;   Drug: Oxymetazoline 0.05% nasal solution;   Dietary Supplement: Bovril;   Drug: Acetazolamide;   Drug: Rivastigmine tartrate;   Drug: Carbidopa/levodopa;   Device: abdominal binder;   Device: abdominal binder (sham)
18 Recruiting Study of Surgical Mesh for Inguinal Hernia Repair
Condition: Hernia, Inguinal
Intervention: Device: Biomerix Revive™ (surgical mesh for inguinal hernia repair)
19 Recruiting Genetic Causes of Panic Disorder
Condition: Panic Disorder
Intervention:
20 Recruiting Acute and Residual Effects of Caffeinated Beer
Conditions: Neurobehavioral Manifestations;   Drug Related Sleep Disturbance;   Alcohol Intoxication
Interventions: Drug: Caffeinated Alcoholic Beer;   Drug: Non-Caffeinated Alcoholic Beer;   Drug: Caffeinated Non-Alcoholic Beer;   Drug: Non-Caffeinated, Non-Alcoholic Beer

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