Search clinical trials for: Exposure: Negative COVID-19 infection
Total 1657 results
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University of AberdeenNot yet recruitingCovid19 | Pulmonary Embolism
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Imperial College LondonWithdrawnInfertility, Male | Testosterone DeficiencyUnited Kingdom
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Hasanuddin UniversityChulalongkorn UniversityCompleted
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Barts & The London NHS TrustQueen Mary University of LondonWithdrawnCardiomyopathies | COVID | Cardiovascular Disease AcuteUnited Kingdom
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Kanuni Sultan Suleyman Training and Research HospitalAyşegül Bestel; İbrahim Polat; Merve Aldıkaçtıoğlu TalmaçCompletedDepression, Postpartum | Anxiety | COVIDTurkey
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Thomas Jefferson UniversityNemoursActive, not recruiting
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Vrije Universiteit BrusselUniversitair Ziekenhuis BrusselCompleted
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Pontificia Universidad Catolica de ChileNational Institute of Allergy and Infectious Diseases (NIAID)RecruitingCovid19 | Neurocognitive DysfunctionChile
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University Hospital of FerraraUniversità degli Studi di FerraraCompletedCOVID-19 PatientsItaly
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Javier EslavaCompletedCOVID-19 | Long COVID | Post-acute COVID-19 Syndrome | Long-COVID | Post-acute Sequelae of SARS-CoV-2 InfectionColombia
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University of OxfordUniversity of Nottingham; Imperial College London; Public Health England; University... and other collaboratorsUnknown
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Lumos DiagnosticsRapid Pathogen ScreeningTerminatedCovid19 | SARS-CoV-2United States
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Stanford UniversityUniversity of California, San Francisco; Wuqu' Kawoq, Maya Health AllianceCompletedVaccination RefusalGuatemala
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Maastricht University Medical CenterRecruitingCovid-19 | Obesity, Childhood | Children, Only | Lifestyle | Lifestyle, Healthy | Family | Overweight, ChildhoodNetherlands
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University of California, San DiegoRecruitingCOVID-19 Vaccine | Breastfeeding | COVID-19 Infection | Antibiotics | RemdesivirUnited States
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Centre Hospitalier Universitaire de NiceCompleted
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Centre integre universitaire de sante et de services...Université de MontréalCompletedCovid19 | Death | Elderly Infection | Infection Viral | Infections, Respiratory | Infection, Coronavirus | Old Age; Dementia | Epidemic DiseaseCanada
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Salome KristensenTerminatedRheumatoid Arthritis | Systemic Lupus Erythematosus | Giant Cell Arteritis | Psoriatic Arthritis | Axial SpondyloarthritisDenmark
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Hannover Medical SchoolElse Kröner Fresenius FoundationRecruitingCOVID-19 | Respiratory Infections in Children | Maternal Vaccine ExposureGermany
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Shiraz University of Medical SciencesCompletedCOVID-19 Pandemic | Dyspnea; Cardiac | Chest Syndrome | Functional Cardiac DisorderIran, Islamic Republic of
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Karolinska InstitutetRecruiting
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AstraZenecaCompleted
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University of ManitobaNatural Sciences and Engineering Research Council, Canada; ID Fusion Software... and other collaboratorsWithdrawn
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NEAT ID FoundationGilead SciencesCompletedCOVID-19 | HIV-1-infectionSpain, Germany, Netherlands, United Kingdom, France, Belgium, Italy, Greece
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Raphael SerreauAssistance Publique - Hôpitaux de Paris; University Hospital, Paris; François...CompletedCoronavirus InfectionFrance
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Centre Hospitalier Intercommunal CreteilCompleted
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Melike CengizCompleted
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AstraZenecaCompleted
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Boston University Charles River CampusCompleted
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University of PennsylvaniaPublic Health Management CorporationCompleted
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University of Texas at AustinUnknownFood InsecurityUnited States
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University of PennsylvaniaPublic Health Management CorporationCompleted
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Duke UniversityNorth Carolina Department of Health and Human ServicesCompleted
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Assaf-Harofeh Medical CenterCompleted
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Istituto Ortopedico GaleazziUnknown
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University of Turin, ItalyCompletedInfections | Critical Illness | Septic Shock | Ventilator Associated Pneumonia | Organ Failure, Multiple | SuperinfectionItaly
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Unity Health TorontoCompleted
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Sultan Qaboos UniversityCompletedCOVID-19 | Acute Kidney Injury | Critically IllOman
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Al Baraka Fertility HospitalCompleted
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Sanatorio Anchorena San MartinCompletedCOVID-19 | Respiration, Artificial | Health Care Associated InfectionArgentina
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San Diego State UniversityNational Cancer Institute (NCI)Completed
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Hospital Moinhos de VentoPfizer; Universidade Federal do Paraná; Inova MedicalCompleted
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Tang-Du HospitalCompletedPostoperative Complications | MoralityChina
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Deborah O'ConnorUniversity of Toronto; Sinai Health SystemActive, not recruitingSARS-CoV2 | BreastmilkCanada
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Dermama Bioteknologi LaboratoriumKementerian Riset dan Teknologi / Badan Riset dan Inovasi Nasional, IndonesiaRecruitingSARS-CoV2 InfectionIndonesia
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Maastricht University Medical CenterRecruitingCOVID-19 | Childhood Obesity | COVID-19 Pandemic | Overweight, ChildhoodNetherlands
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Rush University Medical CenterNational Institute of Nursing Research (NINR)CompletedCOVID-19 PandemicUnited States
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Duke UniversityCompletedCovid19United States
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Jon BaileyNova Scotia Health AuthorityCompletedBurnout, Professional | Psychological DistressCanada