Large-scale testing (Phase 3)Ended earlyNCT03022838What this trial is testingThe Effects of Caffeine Withdrawal on MigraineWho this might be right forMigraineCaffeine Withdrawal Nordlandssykehuset HF 10
Early research (Phase 1)Study completedNCT00338195What this trial is testingAssessment and Treatment of Caffeine DependenceWho this might be right forSelf-identified Problematic Caffeine UseDSM-IV Substance Dependence as Applied to Caffeine Johns Hopkins University 94
Large-scale testing (Phase 3)Study completedNCT05170464What this trial is testingThe Acute Effects of Exercise and Caffeine on Working Memory During Acute Caffeine DeprivationWho this might be right forAcute ExerciseCaffeine WithdrawalMemory Deficits Western University, Canada 7
Not applicableStudy completedNCT01951872What this trial is testingTreatment for Caffeine DependenceWho this might be right forCaffeine Use Disorder (DSM-5 Condition for Further Study) Johns Hopkins University 82
Not applicableStudy completedNCT01376882What this trial is testingCognitive and Cerebral Blood Flow Effects of 2-week Caffeine Abstinence or MaintenanceWho this might be right forCognitive FunctionMoodCerebral Haemodynamics+1 more Northumbria University 110
Not applicableStudy completedNCT04025060What this trial is testingReducing Sugar-sweetened Beverage Consumption Among ChildrenWho this might be right forPediatric ObesityDiet, Food, and Nutrition George Washington University 29
Not applicableStudy completedNCT05409339What this trial is testingInfluence of Caffeine Consumption on the Human Circadian SystemWho this might be right forCaffeineCaffeine WithdrawalSleep+1 more Psychiatric Hospital of the University of Basel 20
Not applicableStudy completedNCT02044757What this trial is testingThe Potentially Addictive Properties of Soda: A Feasibility StudyWho this might be right forWithdrawal Symptoms University of California, Berkeley 28
Not applicableStudy completedNCT06117280What this trial is testingEffect of Different Dosages of Paraxanthine, the Major Caffeine Metabolite, on Energy and FocusWho this might be right forEnergyFocusCaffeine Withdrawal Iovate Health Sciences International Inc 45
Not applicableStudy completedNCT04560595What this trial is testingRemote Guided Caffeine ReductionWho this might be right forCaffeine DependenceAnxietySleep Disturbance+13 more Johns Hopkins University 109
Post-approval studies (Phase 4)Study completedNCT03400423What this trial is testingThe Acute Effects of Caffeine on Exercise and CognitionWho this might be right forAdult Population Western University, Canada 64
Not applicableStudy completedNCT06146517What this trial is testingA Single-Arm, Virtual Clinical Trial to Evaluate the Effects of a Sleep Supporting Beverage and Two Coffee Substitute ProductsWho this might be right forSleepMoodCaffeine Withdrawal+2 more Clevr Blends 32
Not applicableStudy completedNCT05323578What this trial is testingConsumption Status of Caffeine and Adverse Effects Experience Among AnesthetistsWho this might be right forCaffeineCaffeine WithdrawalCaffeine Dependence Ain Shams University 168
Not applicableUnknownNCT05449470What this trial is testingA Clinical Decision Support System and Patient Portal for Preventing Medication-related Falls in Older PatientsWho this might be right forFallFall InjuryFall Patients+5 more Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) 800