Search clinical trials for: Exposure: Negative COVID-19 infection
Total 1652 results
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Tan Tock Seng HospitalCompletedCOVID-19 | SurgerySingapore
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Centre Hospitalier Universitaire de NiceCompleted
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University of SouthamptonCompleted
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Ankara Training and Research HospitalCompletedCovid19 | Bladder CancerTurkey
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Kanuni Sultan Suleyman Training and Research HospitalCompleted
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Mansoura UniversityCompletedCOVID | Critical Limb IschemiaEgypt
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St. Joseph's Healthcare HamiltonTimothy O'Shea; Marek Smieja; Lawrence MbuagbawUnknown
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Sheba Medical CenterUnknownGeneral Surgery | Emergency Service, HospitalIsrael
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ModernaTX, Inc.CompletedCoronavirus Disease (COVID-19)Japan
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TakedaWithdrawnSurvey of the Moderna COVID-19 Vaccine in People at High-Risk of Developing Severe COVID-19 SymptomsCoronavirus Disease (COVID-19)Japan
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San Diego State UniversityEunice Kennedy Shriver National Institute of Child Health and Human Development...Completed
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The University of Hong KongRecruitingCardiovascular Diseases | Hypertension | Diabetes Mellitus | Cancer | Kidney Disease, Chronic | Noncommunicable Diseases | Chronic Respiratory DiseaseChina
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Hospital Moinhos de VentoNot yet recruiting
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Anavasi DiagnosticsNot yet recruiting
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Centre Hospitalier Universitaire de NiceCompleted
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Centre Hospitalier Universitaire de NiceCompleted
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University of VermontTerminated
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Poznan University of Medical SciencesCompletedCOVID-19 PandemicPoland
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Services Institute of Medical Sciences, PakistanCompleted
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Texas Woman's UniversityNational Institutes of Health (NIH)Not yet recruiting
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Scripps Translational Science InstituteCue HealthActive, not recruitingImmunoCARE: Rapid, Accurate COVID Testing to Reduce Hospitalization of Immunocompromised IndividualsHIV Infections | Lymphoma | Leukemia | Cancer | Multiple Myeloma | Immunosuppression | Immunodeficiency | Transplant | Graft Versus Host Disease | Age-Related ImmunodeficiencyUnited States
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Universitas Sebelas MaretCompleted
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George Washington UniversityCompleted
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University Medical Center GroningenRadboud University Medical Center; Maastricht University Medical Center; UMC... and other collaboratorsCompletedVaccine Response | Immunosuppression | COVID-19 Vaccines | Varicella Zoster VaccineNetherlands
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Assiut UniversityNot yet recruitingCOVID 19 Associated Coagulopathy
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Universidad de MagallanesUniversity of Chile; Universidad de Santiago de Chile; Centro Asistencial Docente...Recruiting
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University of BolognaCharite University, Berlin, Germany; Institut National de la Santé Et de la... and other collaboratorsRecruitingSARS CoV 2 Infection | Vaccination; Infection | Breakthrough InfectionArgentina, Gabon, India, Ireland, Italy, Luxembourg, Netherlands, Spain
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Ankara Training and Research HospitalRecruitingCovid19 | Urinary Calculi | Urinary StoneTurkey
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University of VermontActive, not recruitingCovid19United States
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Imperial College LondonThe Royal College of Surgeons of EnglandCompleted
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Ankara Training and Research HospitalCompleted
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Universidade do PortoCentro Hospitalar Lisboa Ocidental; Centro Hospitalar De São João, E.P.E.; Centro... and other collaboratorsActive, not recruitingQuality of Life | Coronavirus Infection | Morality | Rehospitalization | Long-term OutcomesPortugal
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University of Campania "Luigi Vanvitelli"UnknownCovid19 | Placenta Diseases | Preterm Birth | Miscarriage | SARS-CoV Infection | Obstetric ComplicationItaly
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Pinnacle Health Cardiovascular InstituteUnknownCorona Virus InfectionUnited States
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University of SalamancaUnknownExercise | Coronavirus | Infection Viral | Habits
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University Hospital, ToulouseRecruiting
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Gailen D. Marshall Jr., MD PhDUniversity of Mississippi Medical CenterCompleted
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WestVac Biopharma Co., Ltd.Active, not recruitingCOVID-19 | SARS-CoV-2 InfectionMexico
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RenJi HospitalRecruitingCOVID-19 Recurrence | Surface ContaminationChina
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Massachusetts General HospitalRecruiting
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Mikhail Dziadzko, MD, PhDPELyonRecruiting
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Vinmec Research Institute of Stem Cell and Gene...National Institute of Hygiene and Epidemiology, Vietnam; National Hospital... and other collaboratorsCompleted
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Fujian Medical University Union HospitalActive, not recruitingCOVID-19 | Postoperative Complications | Breast CancerChina
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Rutgers, The State University of New JerseyUniversity Hospital - Newark, NJNo longer availableCOVID-19 | SARS-CoV 2 | SARS-CoV InfectionUnited States
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Imperial College LondonCompleted
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Rsocialform - Geriatria, LdaCompletedQuality of Life | Cognitive Impairment | Loneliness | Depression, Anxiety | COVID-19 PandemicPortugal
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Tourcoing HospitalCompleted
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University of PennsylvaniaCompleted