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- US Clinical Trials Registry
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Search clinical trials for: L-theanine
Total 2603 results
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Sha'ar Menashe Mental Health CenterStanley Medical Research Institute; Beersheva Mental Health CenterCompleted
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Butler HospitalCompletedPsychiatric Disorder | Cortical ExcitabilityUnited States
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The University of Texas Health Science Center,...CompletedTheanine, (L)-IsomerUnited States
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Ethical Naturals, Inc.KGK Science Inc.Active, not recruiting
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University of British ColumbiaCompleted
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Northumbria UniversityCompletedCognitive Function | MoodUnited Kingdom
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Sha'ar Menashe Mental Health CenterTirat Carmel Mental Health CenterUnknownSchizophrenia | Schizoaffective Disorder
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University of FloridaRecruitingMotor Activity | Cognitive Symptom | Stress Response | Mental Stress | Physiological Stress | Multitasking BehaviorUnited States
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Texas Tech UniversityTexas Tech University Health Sciences CenterCompletedAttention Deficit Hyperactivity DisorderUnited States
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The Hospital for Sick ChildrenCompleted
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Ocean Spray Cranberries, Inc.Atlantia Food Clinical TrialsCompletedMood | AttentionUnited States
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University of ShizuokaCompletedHealthy StudentsJapan
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Supplement Formulators, Inc.Terminated
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Queen's UniversityOntario HIV Treatment NetworkCompletedHIV Infections | Lipodystrophy | AIDS | Lactic AcidosisCanada
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Vincent Martin, MDTargeted Medical PharmaTerminated
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Supplement Formulators, Inc.Recruiting
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University of OregonNational Institute on Aging (NIA); Oregon Health and Science University; University... and other collaboratorsUnknownQuality of Life | Muscle AtrophyUnited States
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University of Colorado, DenverNational Institute of Mental Health (NIMH); University of PennsylvaniaCompleted
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Ethical Naturals, Inc.Completed
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Mahidol UniversityCompleted
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Targeted Medical PharmaTerminated
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Menzies School of Health ResearchCompleted
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Mashhad University of Medical SciencesCompletedChronic Heart FailureIran, Islamic Republic of
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Mount Saint Vincent UniversityUniversity of Oregon; Bill and Melinda Gates Foundation; Helen Keller International and other collaboratorsCompleted
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University of ManitobaMicropharma LimitedCompleted
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Icahn School of Medicine at Mount SinaiTerminatedCognitive PerformanceUnited States
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Stanford UniversityNovartis PharmaceuticalsRecruitingGastroenteropancreatic Neuroendocrine TumorUnited States
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Texas Tech UniversityCompleted
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Juliano CasonattoUnknown
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Mayo ClinicARUP Laboratories; Eastern Mennonite MissionsCompleted
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Sidney Kimmel Cancer Center at Thomas Jefferson...United States Department of DefenseActive, not recruitingColorectal Adenoma | Stage III Colorectal Cancer AJCC v8 | Stage IIIA Colorectal Cancer AJCC v8 | Stage IIIB Colorectal Cancer AJCC v8 | Stage IIIC Colorectal Cancer AJCC v8 | Stage 0 Colorectal Cancer AJCC v8 | Stage I Colorectal Cancer AJCC v8 | Stage II Colorectal Cancer AJCC v8 | Stage IIA Colorectal... and other conditionsUnited States
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Meir Medical CenterCompleted
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Marc-André Maheu-CadotteCompletedHeart Failure | MotivationCanada
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Sarah SaxenaCHU de CharleroiCompletedLactate Blood Increase | Thiamine DeficiencyBelgium
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Massachusetts General HospitalNeurocentria, Inc.CompletedADHD | Attention Deficit/Hyperactivity DisorderUnited States
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Asklepion Pharmaceuticals, LLCVanderbilt UniversityCompletedHypertension, Pulmonary | Heart Defects, CongenitalUnited States
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Zhongshan Hospital Xiamen UniversityRecruitingHypothyroidism | Thyroid Cancer, PapillaryChina
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Gdansk University of Physical Education and SportMedical University of GdanskCompleted
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Epstein, Arthur B., OD, FAAOAlcon ResearchCompleted
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PepsiCo Global R&DCompletedSleep | Cognitive Performance | Balance | Physical PerformanceAustralia
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Glac Biotech Co., LtdRecruitingChronic Obstructive Pulmonary Disease | Type 2 DiabetesTaiwan
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British University In EgyptCompletedMaxillary Diseases
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University of PittsburghCompleted
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Asklepion Pharmaceuticals, LLCCompletedAtrial Septal Defect | Atrioventricular Septal Defect | Ventricular Septal DefectUnited States
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Hospital Civil de GuadalajaraNot yet recruitingArginine + Citrulline as a Supplement for Weight Gain in Fetus With a Decrease in Their Growth CurveFetal Growth Retardation
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Gdansk University of Physical Education and SportMedical University of GdanskCompleted
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University of OxfordEnrolling by invitation
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Region SkaneLund UniversityCompletedAdvanced ENT Surgery | Microbiological Flora in the Oropharynx and Lower AirwaysSweden
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University of PittsburghNational Alliance for Research on Schizophrenia and DepressionCompleted