Caffeine: all 266 studies that test it

Page 3 of 3. Open to participants first (36), then studies with results posted, then the rest; newest registration first within each.

• Study to Evaluate the Effect of Multiple Doses of BIRT 2584 XX Tablets on the Pharmacokinetic Parameters of Warfarin, Omeprazole, Caffeine, and Dextromethorphan in Healthy Male VolunteersCompletedNCT02256813Phase 1
• The Effect of BI 187004 on the Pharmacokinetics of Cytochrome P450 Substrates (Caffeine, Warfarin, Omeprazole, Metoprolol and Midazolam) and a P Glycoprotein Substrate (Digoxin)CompletedNCT02254148Phase 1
• Caffeinated Gum to Prevent Post-Operative Ileus: A Prospective, Randomized, Placebo-controlled TrialWithdrawnNCT02250924Not applicable
• A Study to Evaluate How Daily Dosing With Enzalutamide Affects the Metabolism of Caffeine and Dextromethorphan in Men With Prostate CancerCompletedNCT02225093Phase 1
• Caffeine Disposition After InhalationCompletedNCT02184104Not applicable
• Acetylsalicylic Acid (ASA) + Paracetamol + Caffeine Combination Compared With ASA + Paracetamol as Well as ASA, Paracetamol, and Caffeine in Headache PatientsCompletedNCT02183688Phase 3
• A Study to Evaluate the Effect of Multiple Doses of Isavuconazole on the Pharmacokinetics of Repaglinide and CaffeineCompletedNCT02128321Phase 1
• EIMD Mechanisms Causing Force LossTerminatedNCT02125643Phase 1
• The Effects of Caffeine on Pain-Based Pacing During a Cycling Time-TrialCompletedNCT02115763Phase 1
• Caffeine, Genetic Variation and Athletic PerformanceStatus unknownNCT02109783Not applicable
• High Versus Low Dose of Caffeine for Apnea of PrematurityCompletedNCT02103777Phase 3
• Inhibition of VAP-1 by Caffeine in Healthy Human Volunteers StudyWithdrawnNCT02098785Phase 1
• A Study of Caffeine on Cardiac ArrhythmiasCompletedNCT02095405Not applicable
• Influence of Caffeine on HRV and Exercise Performance in Spinal Cord InjuryCompletedNCT02083328Not applicable
• Effects of Modafinil, Caffeine and Methylphenidate in Healthy VolunteersCompletedNCT02071615Not applicable
• Effect on Energy Metabolism at Cellular Level of Diet Plus Treatment With Ephedrine and Caffeine in ObesityCompletedNCT02048215Phase 3
• Arrhythmic Effects of Hight Dose CaffeineStatus unknownNCT02045992Not applicable
• Evaluation of the Effect of Fasting and Exercise on Uptake of Tc-99m Sestamibi in Breast TissueCompletedNCT01944215Phase 1
• Drug-Drug Interaction Study With PF-05089771CompletedNCT01934569Phase 1
• Repeated Dose Study for the Investigation of Heritability of and Genetic Influences on Drug PharmacokineticsCompletedNCT01845194Phase 1
• Cognitive Hyper-performance - Effects of Stimulating Substances in Chess-playersCompletedNCT01834547Phase 1
• Caffein Consumption and Response InhibitionCompletedNCT01815203Not applicable
• Caffeine as a Therapy for Parkinson's DiseaseCompletedNCT01738178Phase 3
• The Effect of Leptin A-200, Caffeine/Ephedrine and Their Combination Upon Weight Loss and Body Composition in ManCompletedNCT01710722Not applicable
• The Effects of Caffeine on Vestibular Evoked Myogenic Potentials in Healthy SubjectsStatus unknownNCT01693809Phase 4
• Treatment of Low Metabolic Rate Following Bariatric SurgeryCompletedNCT01596907Not applicable
• Pharmacokinetic Drug-drug Interaction Study of Dovitinib (TKI258) in Patients With Advanced Solid TumorsCompletedNCT01596647Phase 1
• Caffeine and Sodium Citrate IngestionCompletedNCT01591226Not applicable
• Drug-drug Interaction Study of Tivantinib (ARQ 197) With Omeprazole, S-warfarin, Caffeine, Midazolam, and Digoxin in Cancer SubjectsCompletedNCT01517399Phase 1
• Effects of Caffeine in Hydration and Energy MetabolismCompletedNCT01477294Not applicable
• Interaction of Caffeine and Hydration on VoiceCompletedNCT01435837Early Phase 1
• Caffeine Citrate for the Treatment of Apnea Associated With Bronchiolitis in Young InfantsCompletedNCT01435486Not applicable
• Ibuprofen Versus Ibuprofen Plus Caffeine in the Treatment of Migraine.WithdrawnNCT01426971Phase 3
• Clinical Study of Caffeine for Apnea of PrematurityCompletedNCT01408173Phase 3
• Cognitive and Cerebral Blood Flow Effects of 2-week Caffeine Abstinence or MaintenanceCompletedNCT01376882Not applicable
• Effects of Theobromine and Caffeine on Mood, Cognition and Blood PressureCompletedNCT01288547Not applicable
• Effects of Caffeine on Women's Sexual ArousalWithdrawnNCT01242046Not applicable
• Pharmacokinetic Study to Investigate Low-dose Combinations of a Cocktail of Seven Drugs for Simultaneous Phenotyping of CytochromesCompletedNCT01187862Phase 1
• Efficacy and Safety Study to Compare Ibuprofen + Caffeine With Ibuprofen Alone in the Treatment of HeadacheStatus unknownNCT01172405Phase 3
• Neurophysiological Reserve With Caffeine ManipulationCompletedNCT01167478Not applicable
• The Effect of Caffeine in Elderly Citizen Following Eight Hour Abstinence From Caffeine Containing Drinks & FoodsCompletedNCT01048515Phase 4
• Caffeine for Apnea of Prematurity-Sleep (CAP-S) StudyCompletedNCT01020357Phase 3
• The Effects of Caffeine and L-theanine Both Alone and in Combination on Cerebral Blood Flow, Cognition and MoodCompletedNCT00981955Phase 4
• Development of Cocktail for Measuring the Activity of Important Cytochrome P450 EnzymesTerminatedNCT00981929Not applicable
• Chicago Social Drinking ProjectActive, not recruitingNCT00961792Not applicable
• AZD2066 Cocktail StudyCompletedNCT00930306Phase 1
• Anti-inflammatory Effects of Caffeine in Chronic Obstructive Pulmonary Disease (COPD) SubjectsWithdrawnNCT00826566Not applicable
• Caffeine Versus Placebo for Spinal HeadachesWithdrawnNCT00809627Not applicable
• Determine the Effect of Multiple Doses of AZD7325, CYP StudyCompletedNCT00790114Phase 1
• Effects of Caffeine in TinnitusCompletedNCT00628316Not applicable
• The Impact of Caffeine on Brachial Endothelial Function in Healthy Subjects and in Patients With Ischemic Heart DiseaseCompletedNCT00564824Phase 3
• A Possible Therapeutic Role for Adenosine During InflammationCompletedNCT00513110Phase 1
• Efficacy of Caffeine, With and Without Biperiden, as a Maintenance Treatment for Cocaine DependenceStatus unknownNCT00495183Phase 4
• Efficacy of Caffeine, With and Without Biperiden, in the Detoxification of Cocaine Dependent PatientsCompletedNCT00495092Phase 2/3
• Effects of Low Doses of Caffeine on Mood, Physiology and Mental FunctionCompletedNCT00487227Not applicable
• A Placebo-controlled Study to Investigate the Safety, and Pharmacokinetics of Oral GSK626616AC in Healthy SubjectsCompletedNCT00443170Phase 1
• Does Caffeine Reduce Dipyridamole-Induced Protection Against Ischemia-Reperfusion Injury?CompletedNCT00430170Phase 4
• "Pecos" B-adrenergic and PPAR-G Stimulation Upregulates Lipid Metabolism in Human Subcutaneous FatCompletedNCT00377975Phase 2
• Hepatic Drug Biotransformation in Children With Obstructive Sleep ApneaCompletedNCT00310323Not applicable
• B181: Stimulation of Thermogenesis by Bio-Active Food IngredientsCompletedNCT00302289Phase 1
• Treatment of Orthostatic Hypotension in Autonomic FailureCompletedNCT00223691Phase 1
• Does Caffeine Affect the Sensitivity of Adenosine Perfusion Scans?CompletedNCT00205166Not applicable
• The Effect of Caffeine on Ischemic PreconditioningCompletedNCT00184912Not applicable
• Caffeine for Apnea of Prematurity (CAP)CompletedNCT00182312Phase 3
• Metabolic Capacity of Israeli PopulationsStatus unknownNCT00162383Not applicable
• The Effect of Caffeine in Elderly CitizensCompletedNCT00117520Phase 4

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