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- US Clinical Trials Registry
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Search clinical trials for: there is no intervention; the study is observational
Total 678 results
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Shenzhen People's HospitalRecruitingChronic Heart Failure With Reduced Ejection FractionChina
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Tanta UniversityCompletedAcute Lymphocytic LeukemiaEgypt
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Bristol-Myers SquibbCompletedHealthy | Hepatitis CUnited States, Puerto Rico
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Kaiser PermanenteHenry Ford Health SystemActive, not recruitingDeath | Opioid Use Disorder | Opioid OverdoseUnited States
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Imperial College LondonCompletedHereditary Haemorrhagic TelangiectasiaUnited Kingdom
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University of SurreyUnknown
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Imperial College LondonRecruiting
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University of FreiburgCompletedCAR T-Cell-Related Encephalopathy Syndrome | ICANS, Grade UnspecifiedGermany
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NHS Greater Glasgow and ClydeUniversity of GlasgowRecruitingRespiration Disorders | Healthy | Asthma in Children | Respiratory Disease | Wheezing | Gastro-Intestinal DisorderUnited Kingdom
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International Centre for Diarrhoeal Disease Research...CompletedSevere Acute Malnutrition | Severe Wasting | Community Based Nutritional ManagementBangladesh
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Hospices Civils de LyonRecruitingSubarachnoid HemorrhageFrance
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Technische Universität DresdenCompleted
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Inozyme PharmaGACI GlobalNot yet recruitingATP-Binding Cassette Subfamily C Member 6 Deficiency | Ectonucleotide Pyrophosphatase/Phosphodiesterase 1 Deficiency
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Germans Trias i Pujol HospitalArchivel Farma S.L.CompletedTuberculosis | Latent Tuberculosis InfectionSpain
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CMC Ambroise ParéCompletedIsthmic Spondylolisthesis Treated With Combined Approach: Clinical and Radiological Outcomes (SPLAC)Surgical Procedure, Unspecified | Isthmic SpondylolisthesisFrance
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Chinese University of Hong KongCompletedCoronary DiseaseHong Kong
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Johnson & Johnson Consumer Inc. (J&JCI)CompletedSkin Regeneration After Dermatological Facial Procedure With Fractional CO2 LaserBrazil
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Virginia Commonwealth UniversityCompletedAlcoholism | SepsisUnited States
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University of AberdeenRecruitingLichen Planus, Oral | Lichen Planus of VulvaUnited Kingdom
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University Hospital, AngersRecruitingDevelopment Delay | Cancer Childhood | Predisposition, GeneticFrance, Réunion
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Steward St. Elizabeth's Medical Center of Boston...Boehringer IngelheimCompletedIdiopathic Pulmonary FibrosisUnited States
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University of British ColumbiaCanadian Institutes of Health Research (CIHR); ITI International Team for Implantology... and other collaboratorsActive, not recruitingEdentulous Mouth | Tooth-loss | Complete Denture | Complete Lower DentureCanada
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University Hospital, GrenobleTerminatedReconstructive SurgeryFrance
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ElsanRecruiting
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Karolinska InstitutetActive, not recruitingGastrointestinal Diseases
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European Society of Intensive Care MedicineCompleted
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BonusBio Group LtdCompletedBone Void in the Maxillofacial AreaIsrael
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Campus Bio-Medico UniversityPolitecnico di MilanoRecruitingPancreatic NeoplasmsItaly
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University Hospital, Basel, SwitzerlandSwiss National Science Foundation; Korea University; University of BaselCompletedStress | Blood PressureKorea, Republic of
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Tehran University of Medical SciencesUnknownMetabolic Syndrome XIran, Islamic Republic of
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Methodist Health SystemCompletedStress UlcerUnited States
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Chang Gung Memorial HospitalEnrolling by invitationCentral Venous Catheter Thrombosis | Renal DialysisTaiwan
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Istanbul University - Cerrahpasa (IUC)Completed
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Hospices Civils de LyonCompletedParaneoplastic SyndromesFrance
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Shenzhen People's HospitalNot yet recruitingHypertensive EmergencyChina
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University GhentShire; Fund for Scientific Research, Flanders, BelgiumWithdrawnAttention Deficit Hyperactivity DisorderBelgium
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Nantes University HospitalCompletedBad Molar Teeth Arrangement Requiring Orthodontic DeviceFrance
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Emory UniversityCompletedAutism Spectrum Disorder | Moderate Language DelayUnited States
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University of Maryland, BaltimoreEli Lilly and CompanyCompletedGastrointestinal Neoplasms | Ovarian NeoplasmsCanada, United States
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University Health Network, TorontoCompleted
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Tri-Service General HospitalCompleted
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Fundación Oftalmológica Los AndesAlcon ResearchNot yet recruitingCataract | Dry Eye Syndrome | Dry Eye Disease | Phacoemulsification | Evaporative Dry Eye
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Children's Hospital Medical Center, CincinnatiRecruitingLymphoma | Follicular Lymphoma | Leukemia | B Cell Lymphoma | Hodgkin Lymphoma | Burkitt Lymphoma | AML | Non Hodgkin Lymphoma | Acute Lymphocytic Leukemia | Acute Myelogenous Leukemia | Diffuse Large B Cell Lymphoma | Hematologic Malignancy | Chronic Myelogenous Leukemia | Myeloproliferative Neoplasm | T-cell Lymphoma | Peripheral T Cell Lymphoma and other conditionsUnited States
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Essen BiotechNot yet recruitingSickle Cell Disease | Sickle-Cell Disease With CrisisChina
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Maastricht University Medical CenterRadboud University Medical Center; UMC Utrecht; Academisch Medisch Centrum -... and other collaboratorsEnrolling by invitationCOVID-19 | Long COVID | Post COVID-19 ConditionNetherlands
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Fred Hutchinson Cancer CenterEunice Kennedy Shriver National Institute of Child Health and Human Development... and other collaboratorsCompletedHot Flashes | Menopause | Vasomotor DisturbanceUnited States
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The University of Texas Health Science Center,...UnknownRetinopathy of PrematurityUnited States
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St George Hospital, AustraliaSt George & Sutherland Medical Research FoundationUnknown
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Gomel State Medical UniversityEnrolling by invitation