- ICH GCP
- US Clinical Trials Registry
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Search clinical trials for: questionnaire (observational study)
Total 12819 results
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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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Ohio State UniversityAbbVieActive, not recruiting
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Benha UniversityCompletedCOVID-19 | Pandemic, COVID-19 | Face Mask SqueezeEgypt
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AstraZenecaTerminatedCoronavirus Disease 2019 (COVID-19)Germany
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Aga Khan University Hospital, PakistanCompleted
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ANNA FALANGAUnknown
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Instituto de Investigación Marqués de ValdecillaUnknownMental Disease | Hepatotropic Virus Infection | Addictive Behaviours o Conducts | People Sentenced to Non-custodial SentencesSpain
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Washington University School of MedicineCompletedPulmonary Disease, Chronic ObstructiveUnited States
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Kang Stem Biotech Co., Ltd.UnknownRheumatoid ArthritisKorea, Republic of
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Zenalux Biomedical, Inc.National Cancer Institute (NCI); Duke UniversityUnknownSquamous Cell CarcinomaUnited States
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PfizerCompleted
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University of HelsinkiCity of Helsinki; Foundation for Paediatric Research, Finland; Päivikki and Sakari... and other collaboratorsCompleted
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Centre Hospitalier Universitaire DijonUnknownHeart Failure | Multiple Sclerosis | Hemophilia | Chronic Respiratory Failure | Horton's Disease | Chronic Coronary Syndrome | AMD and Macular Edema | Malignant HemopathyFrance
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Shanghai Zhongshan HospitalNot yet recruiting
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AstraZenecaCompleted
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Institute of Liver and Biliary Sciences, IndiaNot yet recruitingCritically Ill CirrhoticsIndia
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Erasmus Medical CenterRecruitingHeat Illness | Heat Exhaustion | Heat Stroke ExertionalNetherlands
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Luxembourg Institute of HealthCentre Hospitalier du Luxembourg; Luxembourg Centre for Systems Biomedicine... and other collaboratorsRecruitingParkinson DiseaseLuxembourg
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National Taiwan University HospitalNot yet recruitingCardiogenic Shock
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University of PennsylvaniaMedical University of South Carolina; University of Pittsburgh; University of...RecruitingTBI (Traumatic Brain Injury)United States
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University of Texas at AustinEnrolling by invitation
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Podimetrics, Inc.UnknownQuality of Life | Diabetic Foot | Diabetes Complications | Mental Health Wellness 1 | Ulcer FootUnited States
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London School of Hygiene and Tropical MedicineUniversity of Oxford; Department of State for Health and Social Welfare, The...CompletedNutritional Anemia | Neonatal InfectionGambia
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Royal Brompton & Harefield NHS Foundation TrustUnknownEvaluation of Speckle Tracking Parameters as Predictors of Successful VA SPECKLE ECMO (SPECKLE-ECMO)Cardiogenic ShockUnited Kingdom
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University of GlasgowCompletedCardiovascular Diseases | Cancer | All-cause Mortality
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MedicineJanssen Pharmaceuticals; National Medical Research Council (NMRC), SingaporeUnknown
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University Hospital Southampton NHS Foundation...Portsmouth Hospitals NHS Trust; University of DerbyRecruitingDepression | Anxiety | Emotional Disorder | Psychological Distress | Emotions | Coping Behavior | Emotional Distress | Psychological Adjustment | Psychological Stress | Psychological | Psychosocial Problem | Psychological Disorder | Emotional Dysfunction | Severe Eosinophilic Asthma | Psychosocial Stressor | Adjustment | Adjustment...United Kingdom
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University of HaifaRambam Health Care CampusCompletedParkinson DiseaseIsrael
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SCM Lifescience Co., LTD.Active, not recruitingPancreatitis, AcuteKorea, Republic of
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Centro Cardiologico MonzinoCompletedDepression | Quality of Life | Anxiety | Emotional Stress | Self-care | Chronic Cardiovascular DiseaseItaly
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VA Puget Sound Health Care SystemCompletedChronic Obstructive Pulmonary Disease
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Dokuz Eylul UniversityRecruiting
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Istituti Clinici Scientifici Maugeri SpARecruitingDepression | Cardiovascular Diseases | Anxiety | Rehabilitation | Psychological Distress | Pulmonary Disease | Coping BehaviorItaly
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Chinese University of Hong KongNot yet recruiting
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Olive Fertility CentreThermo Fisher Scientific, Inc; Sequence46RecruitingInfertility | AneuploidyCanada
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Nantes University HospitalNot yet recruitingAcute Necrotizing Pancreatitis | Portosplenomesenteric Venous Thrombosis
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Consorzio OncotechActive, not recruiting
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King Saud UniversityCompletedObesity | Metabolic SyndromeSaudi Arabia
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University of Colorado, DenverNational Institute on Drug Abuse (NIDA)CompletedThe Influence of in Utero Cannabis Exposure on Neonatal Brain Morphology and Structural ConnectivityDrug Use | Neurodevelopmental Abnormality | Cannabis Use Disorder | PREG1 | Fetal Exposure During PregnancyUnited States
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University of FloridaNational Institute of General Medical Sciences (NIGMS)CompletedSepsis | Septic Shock
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Jean-François DartiguesCompletedDiet, Polyphenols, Flavonoids, Stilbenes, Aged, Dementia, Alzheimer's Disease, Epidemiology
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BERTHILLIER JulienCompletedNeurological Disorder
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Novartis VaccinesCompletedNovel Influenza A (H1N1) | A New Flu Virus of Swine OriginChile, Colombia, Germany, Switzerland
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Changhua Christian HospitalCompleted
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Institute of Mother and Child, Warsaw, PolandUnknown
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Zhejiang UniversityRecruiting
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Shanghai Children's Medical CenterCompletedSymptom Spectrum and Risk Factors for FeverChina
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Queen's University, BelfastUniversity of Ulster; University of Southern Denmark; Loughborough UniversityCompletedSedentary BehaviorUnited Kingdom