Search clinical trials for: No intervention - observational study only
Total 4996 results
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University Hospital, Basel, SwitzerlandCompletedPostoperative Complications | Intraoperative Complications | Patient Safety | Risk ManagementNew Zealand, Switzerland, United States, Netherlands, Spain, Austria, Turkey, United Kingdom, Australia, Greece, Ireland, Italy
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University Medicine GreifswaldRecruitingLymphoma | Colorectal Cancer | Pancreas CancerGermany
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Umeå UniversityCompletedBrain Injuries | Traumatic Intracranial HemorrhageSweden
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Brian Hiestand MDEmergency Medicine FoundationCompletedHeart Failure, CongestiveUnited States
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Ruijin HospitalHangzhou Genetron Medical Laboratory Co., Ltd.Recruiting
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Audubon BioscienceEnrolling by invitationCardiovascular Diseases | Autoimmune Diseases | Infectious Disease | Pregnancy Related | Hematologic Malignancy | Oncology | Renal Disease | Gastro-Intestinal Disorder | Genitourinary DiseaseUnited States
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University Medicine GreifswaldRecruitingMalnutrition | Acute PancreatitisGermany
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University Medicine GreifswaldCompletedGastric Cancer | Pancreatic Cancer | Small Intestine Cancer | Rectal Cancer | Neuroendocrine Tumors | Bile Duct Cancer | Colon Cancer | Liver Cancer | Oesophageal Cancer | GIST, MalignantGermany
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Elliott Crouser MDCompleted
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Groupe Hospitalier Paris Saint JosephCompleted
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Federation Internationale de Football AssociationActive, not recruiting
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Umeå UniversityCompletedTraumatic Brain Injury | Traumatic Intracranial HemorrhageSweden
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Federation Internationale de Football AssociationMajor League SoccerActive, not recruitingBrain Injuries | Traumatic Brain Injury | Head Injury | ConcussionUnited States
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Federation Internationale de Football AssociationAspetar Orthopaedic and Sports Medicine HospitalActive, not recruitingInjuries | Illness Physical | Illness, MentalQatar
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Massachusetts General HospitalCompletedMinor Head InjuryUnited States
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Massachusetts General HospitalCompleted
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Aga Khan UniversityCompleted
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Erasmus Medical CenterRecruitingHeat Illness | Heat Exhaustion | Heat Stroke ExertionalNetherlands
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Sun Yat-sen UniversityEssilor InternationalCompleted
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University College, LondonUniversity of CataniaUnknownMetabolic Syndrome | Periodontitis, AdultItaly, United Kingdom
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University of PennsylvaniaCompletedPostpartum | Intrauterine Devices, CopperUnited States
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University of Colorado, DenverCompleted
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The First Affiliated Hospital of Zhengzhou UniversityBeijing Tiantan Hospital; National Health and Family Planning Commission, P...UnknownTransient Ischemic Attack | Minor StrokeChina
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Xuanwu Hospital, BeijingRecruitingCoexistence of Cerebral and Coronary Atherosclerosis | Acute Ischemic Cerebrovascular DiseaseChina
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University Medicine GreifswaldRecruitingMetabolic Syndrome | Chronic Heart FailureGermany
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Abant Izzet Baysal UniversityCompletedParkinson's Disease and ParkinsonismTurkey
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Xiang XieThe Third Affiliated Hospital of Jinzhou Medical University; Affiliated Traditional...Completed
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University of VirginiaRecruiting
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Johannes Gutenberg University MainzRecruitingCoronary Artery Disease | Microvascular DysfunctionGermany
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Illinois Institute of TechnologyTerminatedOsteoarthritis | Rheumatoid Arthritis | Chronic Pain | Chronic Low-back Pain | Osteoarthritis, Knee | Fibromyalgia | Osteoarthritis, Hip | Chronic Shoulder Pain | Ankylosing SpondylitisUnited States
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Portsmouth Hospitals NHS TrustManchester Metropolitan UniversityCompletedRetrospective Observational Analysis of a Cohort With Heart Failure With Preserved Ejection FractionHeart Failure With Preserved Ejection FractionUnited Kingdom
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Yefeng CaiUnknownStroke | Transient Ischemic Attack | Cerebral Infarction | Subarachnoid Hemorrhage | Cerebral HemorrhageChina
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Arkansas Children's Hospital Research InstituteNational Institutes of Health (NIH)Completed
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Drexel UniversityCompletedOsteoporosisUnited States
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The Aurum Institute NPCKarolinska Institutet; Ludwig-Maximilians - University of Munich; University... and other collaboratorsUnknownRespiratory Tract Infections | Tuberculosis, PulmonaryMozambique, South Africa, Tanzania, Gambia
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University of PennsylvaniaThe Hospital for Sick Children; Mayo Clinic; National University Hospital, Singapore and other collaboratorsActive, not recruiting
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Southern California College of Optometry at Marshall...Ohio State University; University of Houston; Alcon Research; University of Waterloo and other collaboratorsCompletedContact Lens Complication | Contact Lens Acute Red Eye | Contact Lens Related Corneal Infiltrate (Disorder) | Contact Lens-Induced Corneal Fluorescein StainingUnited States, Canada
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Hospital Universitario La Paz3MVX CCB and Agaplesion Markus Krankenhaus, Frankfurt a.M., Germany.; Department...RecruitingEmbolism | Atrial Fibrillation | Arrhythmia | Stroke, Acute | Stroke Sequelae | AblationSpain
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Tel-Aviv Sourasky Medical CenterCompletedInflammatory Bowel Diseases | Circadian DysregulationIsrael
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University Hospital, AkershusCompleted
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University of MinnesotaNot yet recruitingChronic Kidney Disease | End-stage Kidney DiseaseUnited States
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University Hospital, AntwerpUniversiteit AntwerpenUnknownType 1 Diabetes | Diastolic Dysfunction | Coronary Artery CalcificationsBelgium
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Hôpital Necker-Enfants MaladesUnknown
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Association of Urologic Oncology (AUO)IAG-N at German Cancer Association (Deutsche Krebsgesellschaft e. V.)Not yet recruiting
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Sheba Medical CenterCompleted
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CENTOGENE GmbH RostockShire Human Genetic Therapies, Inc.CompletedCerebrovascular AccidentAustria, Belgium, Croatia, Finland, France, Georgia, Germany, Ireland, Italy, Malta, Poland, Portugal, Spain, United Kingdom
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PfizerCompleted
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Brigham and Women's HospitalMassachusetts Institute of Technology; Harvard UniversityCompleted
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University of CopenhagenCompleted