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Found 86 studies with search of: Caffeine OR Methylxanthine
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Rank Status Study
1 Recruiting Caffeine for Apnea of Prematurity-Sleep (CAP-S) Study
Condition: Apnea of Prematurity
Interventions: Drug: Caffeine citrate injection;   Drug: placebo
2 Active, not recruiting Caffeine for Apnea of Prematurity (CAP)
Condition: Apnea of Prematurity
Intervention: Drug: Caffeine citrate injection
3 Suspended Does Caffeine Affect the Sensitivity of Adenosine Perfusion Scans?
Condition: Coronary Artery Disease
Interventions: Procedure: Cardiac SPECT imaging Rest and Stress;   Drug: Caffeine
4 Completed Efficacy of Caffeine Injection as an Adjuvant to Opioid Therapy in Cancer Pain
Conditions: Cancer;   Pain
Interventions: Drug: Caffeine;   Drug: Normal saline
5 Completed The Role of Tea Catechins and Caffeine in Relation to Energy Metabolism
Condition: Obesity
Interventions: Dietary Supplement: green tea;   Dietary Supplement: Mix of catechins and caffeine;   Dietary Supplement: EGCG;   Dietary Supplement: EGC;   Dietary Supplement: Caffeine;   Dietary Supplement: Placebo
6 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
7 Completed The Effect of Caffeine in Elderly Citizen Following Eight Hour Abstinence From Caffeine Containing Drinks & Foods
Conditions: Healthy;   Elderly
Intervention: Drug: Caffeine
8 Recruiting Effects of Caffeine on Methacholine Challenge and Exhaled Nitric Oxide Levels.
Condition: Asthma
Interventions: Other: caffeine;   Other: No caffeine
9 Completed Caffeine Versus Placebo for Spinal Headaches
Condition: Post Dural Puncture Headache
Interventions: Drug: Caffeine;   Drug: saline
10 Active, not recruiting Effects of Caffeine in Tinnitus
Condition: Tinnitus
Intervention: Dietary Supplement: caffeine
11 Completed Does Caffeine Reduce Dipyridamole-Induced Protection Against Ischemia-Reperfusion Injury?
Conditions: Cardiovascular Disease;   Ischemia-Reperfusion Injury
Interventions: Drug: Dipyridamole;   Drug: caffeine
12 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
13 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
14 Withdrawn Anti-inflammatory Effects of Caffeine in Chronic Obstructive Pulmonary Disease (COPD) Subjects
Condition: Chronic Obstructive Pulmonary Disease
Interventions: Dietary Supplement: Caffeine;   Dietary Supplement: placebo
15 Completed Caffeine and Intermittent Claudication
Condition: Intermittent Claudication
Intervention: Drug: Caffeine 6mg/kg
16 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
17 Suspended The Effect of Caffeine Reduction on Snoring and Quality of Life
Condition: Snoring
Intervention: Behavioral: Caffeine reduction
18 Active, not recruiting Muscle Glycogen Synthesis When Caffeine and Protein is Co-Ingested With Carbohydrates
Condition: Exercise Recovery
Interventions: Dietary Supplement: Carbohydrate;   Dietary Supplement: Carbohydrate and protein ingestion;   Dietary Supplement: Carbohydrate and caffeine ingestion
19 Recruiting Comparison of Caffeine Reduction and Anticholinergic Medications for Treatment of Overactive Bladder
Condition: Overactive Bladder
Interventions: Behavioral: Dietary Caffeine reduction;   Drug: Anticholinergic medication
20 Recruiting Caffeine and Cocaine
Condition: Cocaine Dependence
Interventions: Drug: Caffeine;   Drug: Placebo

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