Search clinical trials for: there is no intervention; the study is observational
Total 677 results
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Novartis VaccinesCompleted
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Isabelle Herter-AeberliBerner FachhochschuleRecruiting
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Beijing Friendship HospitalRecruitingDiabetes | HemodialysisChina
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Swiss Federal Institute of TechnologyAlzheimer's Drug Discovery FoundationRecruiting
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Second Affiliated Hospital, School of Medicine,...Ningbo Medical Center Lihuili Hospital; Second Affiliated Hospital of Wenzhou... and other collaboratorsRecruitingValvular Heart DiseaseChina
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Azienda Unità Sanitaria Locale Reggio EmiliaCompleted
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University of ExeterRecruitingParkinson Disease | Neurodegenerative DiseasesUnited Kingdom
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Universidad de GranadaInstitut d'Investigació Biomèdica de Bellvitge; University of Seville; National... and other collaboratorsRecruitingCancer | Dietary Habits | Metabolic Disease | Food Habits | Nutrition, HealthySpain
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Swiss Federal Institute of TechnologyAlzheimer's Drug Discovery FoundationRecruiting
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Beijing Friendship HospitalRecruitingCognitive Dysfunction | Kidney Failure, Chronic | Magnetic Resonance ImagingChina
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University Hospital HeidelbergCompletedMucopolysaccharidosis Type I | Mucopolysaccharidosis Type II | Coping Behavior | Mucopolysaccharidosis Type III | Behavior DisordersGermany
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Linkoeping UniversityCompletedFrailty | Non ST Elevation Myocardial Infarction (NSTEMI)Sweden
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VA Boston Healthcare SystemRecruitingMild Cognitive ImpairmentUnited States
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Shaanxi Provincial People's HospitalRecruiting
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University of MichiganAgency for Healthcare Research and Quality (AHRQ)CompletedPneumonia | Sepsis | Cardiovascular Disease | Thoracotomy | Mediastinitis | Healthcare Associated Infectious Disease | Sternal Superficial Wound Infection | Deep Sternal Infection | Conduit Harvest or Cannulation SiteUnited States
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University of LeicesterCompletedAcute Kidney InjuryUnited Kingdom
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Zhongshan Ophthalmic Center, Sun Yat-sen UniversityUnknown
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Technical University of MunichCompleted
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Spineology, IncCompletedLumbar Degenerative Disc DiseaseUnited States
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Abbott Medical OpticsCompletedRefractive AstigmatismAustria
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University of VirginiaNational Heart, Lung, and Blood Institute (NHLBI); Oxford University Hospitals...Active, not recruitingHypertrophic CardiomyopathyUnited States, Canada, Germany, United Kingdom, Netherlands, Italy
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Instituto de Seguridad y Servicios Sociales de...CompletedCholedocholithiasis
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University of Texas Southwestern Medical CenterEmory UniversityTerminatedDystonia
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University Medical Center GroningenWithdrawnEmphysema or COPD
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Vance Thompson VisionAlcon ResearchCompletedPresbyopiaUnited States
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Corporacion Parc TauliCompletedCeliac Disease Patients Following Recommendations of ESPGHAN | HLA-DQ2 Typing Include HLA-DR7-DQ2 HaplotypesSpain
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Chinese University of Hong KongRecruiting
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University of New MexicoUniversity of Texas at Austin; Albany Medical CollegeTerminatedUrinary Incontinence | Pelvic Organ Prolapse | Fecal Incontinence | Sexual Function DisturbancesUnited States
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University of ZurichSwiss Tropical & Public Health InstituteCompletedRisk Behavior | Travel Health | Mobile Health Technology (mHealth) | Elderly Travelers | Chronic Diseased TravelersSwitzerland
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National University, SingaporeCompletedMental Health | Older Adults | Mindfulness | Solution-focused Brief TherapySingapore
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Kırklareli UniversityNot yet recruitingHemodialysis Patients
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Scandinavia PharmaRecruitingGastroesophageal Reflux DiseaseColombia
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Stanford UniversityUniversity of Southern CaliforniaActive, not recruitingCommunicationUnited States
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Massachusetts General HospitalNational Institutes of Health (NIH); University of California, San Francisco; Harvard University and other collaboratorsCompletedHypertension | Cardiovascular Disease | Diabetes Mellitus | Chronic Obstructive Pulmonary Disease | Atherosclerosis | HIVUganda
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Seoul National University HospitalUnknown
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Columbia UniversityLudwig-Maximilians - University of Munich; Moorfields Eye Hospital NHS Foundation... and other collaboratorsRecruitingRetinitis Pigmentosa Associated With CNGB1 MutationsUnited States, France, Germany, United Kingdom
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Rutgers, The State University of New JerseyNational Institute of Neurological Disorders and Stroke (NINDS)CompletedDepression | Parkinson's Disease | AnxietyUnited States
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King's College LondonCompleted
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University College, LondonUniversity of CataniaUnknownMetabolic Syndrome | Periodontitis, AdultItaly, United Kingdom
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Associação Fundo de Incentivo à PesquisaCompletedCongenital Central Hypoventilation SyndromeBrazil
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Xuanwu Hospital, BeijingActive, not recruiting
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Finnish Institute for Health and WelfareNorwegian Institute of Public Health; Karolinska InstitutetActive, not recruitingSmoking | COVID-19 | Tobacco Use | Vaccination RefusalFinland
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Benha UniversityCompletedCOVID-19 | Pandemic, COVID-19 | Face Mask SqueezeEgypt
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The First Affiliated Hospital of Soochow UniversityShandong Provincial Hospital; Qingdao Municipal Hospital; Central South University and other collaboratorsNot yet recruitingAnkylosing SpondylitisChina
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TC Erciyes UniversityUnknownCoronary Artery Disease With Myocardial InfarctionTurkey
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NICHD Global Network for Women's and Children's...RecruitingPregnancy Outcome Trends in Low-resource Geographic AreasUnited States, Pakistan, Zambia, Congo, The Democratic Republic of the, Guatemala, India, Bangladesh
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Boston Children's HospitalBaylor College of Medicine; Children's Hospital of Philadelphia; Ann & Robert... and other collaboratorsRecruitingUpper Gastrointestinal Bleeding | Gastro Intestinal BleedingUnited States
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University of North Carolina, CharlotteEunice Kennedy Shriver National Institute of Child Health and Human Development...Recruiting