Search clinical trials for: Observational study with no interventions

Total 5920 results

FH Joanneum Gesellschaft mbH

Recruiting

Test and Usability of Mixed-reality Screening Tool for Early Detection of Cognitive Declines (SCOBES-AR)

Cognitive Change | Aging

Austria
Tel-Aviv Sourasky Medical Center

Completed

Circadian Rhythms in Patients With IBD or Celiac Disease Upon Diagnosis and Medical Follow-up

Inflammatory Bowel Diseases | Circadian Dysregulation

Israel
University Hospital, Akershus

Completed

Long-term Effects of COVID-19 in Adolescents (LoTECA)

Covid19

Norway
Johannes Gutenberg University Mainz

Unknown

Cerebrovascular Autoregulation During and After Liver Transplantation (dARICULtx)

Liver Failure | Cerebrovascular Disorders | Encephalopathy, Hepatic

Germany
Isabelle Herter-Aeberli
University Children's Hospital, Zurich; Department of Epidemiology and Health...

Completed

Swiss National Iodine Survey 2020

Healthy

Switzerland
Maastricht Radiation Oncology
Cardiff University; Radboud University Medical Center; Fudan University; University... and other collaborators

Completed

20K Distributed Learning Challenge

Non Small Cell Lung Cancer

Netherlands
Ludwig Boltzmann Institute for Lung Health

Completed

CoVid-19 - Infection and Antibody Formation in the Viennese Population

Virus Diseases | COVID-19

Austria
University of Ljubljana

Completed

Slovenian National COVID-19 Prevalence Study (SLO-COVID-19)

COVID-19 | SARS-CoV-2

Slovenia
Technische Universität Dresden

Completed

Assignment of Alcohol Drinks to CIDI Drink Categories (AF-CIDI)

Alcohol Drinking

Germany
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University

Not yet recruiting

The Mechanism of Vaginal Flora and Its Metabolites in the Pathogenesis of Cervical Cancer

Cervical Cancer

China
Virginia Commonwealth University

Completed

Relationship Between Alcohol Use Disorders and Cortisol Levels in Patients With Sepsis

Alcoholism | Sepsis

United States
Danone Nutricia

Recruiting

A Cohort Study on Milk Composition, Health Outcomes, and Feeding Practices of Chinese Mothers and Infants (Phoenix)

Breast Feeding | Breast Milk Expression

China
Medical University Innsbruck

Recruiting

Neurological Outcome After SARS-CoV-2 Infection (ATTRACT)

SARS-CoV-2 | Post-acute COVID-19 Syndrome

Austria
Universitair Ziekenhuis Brussel

Completed

Study of Lymphopenia as a Specific Biomarker or Prognostic Risk Factor for Disease Severity in Elderly Patients With COVID-19

Covid19 | Older People | Lymphopenia

Belgium
Vista Klinik
University Hospital, Basel, Switzerland

Completed

Prevalence of DRP and DME Among Type 1 Diabetics Treated With Long-term Intensified Insulin Therapy

Insulin-Dependent Diabetes Mellitus 1

Switzerland
Kalkaal Hospital

Completed

Morbidity and Mortality Rates Among Children Aged 0-59 Months

Morbidity;Infant

Somalia
CENTOGENE GmbH Rostock
Shire Human Genetic Therapies, Inc.

Completed

Stroke in Young Fabry Patients (sifap1): Frequency of Fabry Disease in Young Stroke Patients (sifap1)

Cerebrovascular Accident

Austria, Belgium, Croatia, Finland, France, Georgia, Germany, Ireland, Italy, Malta, Poland, Portugal, Spain, United Kingdom
Inozyme Pharma
GACI Global

Not yet recruiting

PROPEL - A Prospective Observational Patient Registry to Evaluate ENPP1 and ABCC6 Deficiency

ATP-Binding Cassette Subfamily C Member 6 Deficiency | Ectonucleotide Pyrophosphatase/Phosphodiesterase 1 Deficiency
Linkoeping University

Completed

Osteopontin as a Biomarker in Pancreatitis (PtitStudien)

Pancreatitis

Sweden
Istanbul Medipol University Hospital

Completed

Respiratory Muscle Strength in Patients With Idiopathic Pulmonary Fibrosis

Idiopathic Pulmonary Fibrosis

Turkey
Northumbria Healthcare NHS Foundation Trust

Completed

A Cross-sectional Study of the Oral Health of Elderly Inpatients in Acute and Subacute Hospitals in Northumberland and North Tyneside

Oral Health

United Kingdom
Johannes Gutenberg University Mainz

Recruiting

Mainz Epilepsy Registry (MAINZ-EPIREG)

Epilepsy | Dissociative Seizures | Status Epilepticus

Germany
Ahram Canadian University

Recruiting

Psychological Wellbeing, Physical Activity, and Disability in Fibromyalgia

Fibromyalgia

Egypt
Luxembourg Institute of Health
Centre Hospitalier du Luxembourg; Luxembourg Centre for Systems Biomedicine... and other collaborators

Recruiting

Earlier Diagnosis and Better Treatment Mission Related to the Cohort Programme (LuxPARK)

Parkinson Disease

Luxembourg
Vanderbilt University Medical Center
National Institutes of Health (NIH); National Institute of General Medical...

Active, not recruiting

Illuminating Neuropsychological Dysfunction and Systemic Inflammatory Mechanisms Gleaned After Hospitalization in Trauma-ICU Study (INSIGHT-ICU)

Delirium | Critical Illness | Cognitive Impairment | Trauma | Traumatic Brain Injury | ICU | Polytrauma | Alzheimer; Early Onset

United States
AIO-Studien-gGmbH
Takeda; Prof. Hartmut Link; MMF GmbH; AIO AG Supportivtherapie; AGSMO (Arbeitsgemeinschaft...

Completed

Quality Assurance of Secondary Immunodeficiencies (SID) in CLL/MM Patients (QS-SID)

Secondary Immunodeficiencies (SID)

Germany
Vista Klinik
University Hospital, Zürich

Completed

Prevalence of DRP and DME Among Type 1 Diabetics Treated With Long-term Intensified Insulin Therapy

Insulin-Dependent Diabetes Mellitus 1

Switzerland
Alimentiv Inc.

Suspended

Assessment of Patients With Acute Pouchitis Treated With Antibiotics

Ulcerative Colitis | Pouchitis

United States, Canada, Netherlands
Hospital Italiano de Buenos Aires

Completed

Bacterial Infections in Patients With Cirrhosis in Argentina: Clinical and Microbiological Characteristics

Bacterial Infections | Cirrhosis | Morality | Resistant Infection

Argentina
AIO-Studien-gGmbH
Prof. Hartmut Link; MMF GmbH; AIO AG Supportivtherapie; AGSMO (Arbeitsgemeinschaft...

Completed

Quality Assurance on Anemia Management in Patients With Solid Tumors and Malignant Lymphoma (QA Anemia)

Solid Tumor | Anemia, Iron Deficiency | Malignant Lymphoma

Germany
First Affiliated Hospital Xi'an Jiaotong University

Completed

Perioperative Eosinophils Their Recovery in Type A Acute Aortic Dissection Prognosis

Acute Aortic Dissection

China
FrieslandCampina

Enrolling by invitation

The Prolonged Effect of Consumption of a Partially Hydrolyzed Infant Formula During the First 6 Months of Life on the Development of Allergic Manifestations at 5 Years of Age

Allergy

Bulgaria, Cyprus, Greece
Yale University

Enrolling by invitation

Fractional Flow Reserve and Instantaneous Free-wave Ratio Revascularization Strategies in Women (FiRST)

Coronary Disease | Percutaneous Coronary Intervention | Cardiac Catheterization | Myocardial Perfusion Imaging | Exercise Test

United States
Scripps Translational Science Institute

Active, not recruiting

The Biorepository for Scripps Health (BIF)

Cancer

United States
National University Hospital, Singapore

Completed

Fluid Tonicity and Hyponatraemia Post Surgery

Surgery | Hyponatremia | Fluid and Electrolyte Imbalance
Korea Otsuka Pharmaceutical Co., Ltd.
Otsuka Pharmaceutical Co., Ltd.

Unknown

Observational Study of Anti-Cancer Therapy Induced Oral Mucositis in Korean Cancer Patients

Oral Mucositis

Korea, Republic of
Assaf-Harofeh Medical Center

Unknown

CYP2D6 Genotyping by AmpliChipTM CYP450 for Tamoxifen-Treated Breast Cancer Patients

Breast Cancer

Israel
Henry Ford Health System

Completed

Cardiology-Emergency Medicine Cardiac Biomarker Research Initiative (ED~Cards)

Acute Coronary Syndrome

United States
Shandong Provincial Hospital

Recruiting

Endocrine Glucose & Lipids Metabolism and Brain Aging: a Longitudinal Study

Brain Aging Related Conditions

China
Technische Universität Dresden

Recruiting

TREATgermany: German National Clinical Registry for Patients With Moderate-to-severe Atopic Dermatitis (TREATgermany)

Moderate-to-severe Atopic Dermatitis

Germany
Bayer

Active, not recruiting

An Observational Study to Learn About the Occurrence of Disseminated Intravascular Coagulation Among Adults With Sepsis in Japan

Sepsis | Disseminated Intravascular Coagulation

Japan
Association of Urologic Oncology (AUO)
IAG-N at German Cancer Association (Deutsche Krebsgesellschaft e. V.)

Not yet recruiting

German National Registry for NSS

Kidney Neoplasm

Germany
University Hospital Bispebjerg and Frederiksberg
Hillerod Hospital, Denmark; Herlev and Gentofte Hospital

Completed

Characteristics of People With Advanced Chronic Obstructive Pulmonary Disease (COPD) - A Multicenter Study (REPORT)

COPD

Denmark
Sheba Medical Center

Completed

Detecting Lesions in the Oral Cavity With Thermal Imaging

Carcinoma, Squamous Cell

Israel
Başakşehir Çam & Sakura City Hospital

Not yet recruiting

Serratus Anterior Plane Block and Transthoracic Plane Block in Pectus Surgery

Pectus Excavatum

Turkey
Universitätsklinikum Hamburg-Eppendorf

Not yet recruiting

Intermittent Hypoxemia, Lung Function Decline, Morbidity, and Mortality in COPD (PROSA Study). (PROSA)

Chronic Obstructive Pulmonary Disease (COPD)

Germany
BioNTech SE
Genentech, Inc.

Recruiting

A Phase II Clinical Trial Comparing the Efficacy of RO7198457 Versus Watchful Waiting in Patients With ctDNA-positive, Resected Stage II (High Risk) and Stage III Colorectal Cancer

Colorectal Cancer Stage II | Colorectal Cancer Stage III

United States, Spain, United Kingdom, Germany, Belgium, Sweden
Universitaire Ziekenhuizen KU Leuven

Recruiting

Chronic Total Occlusion Registry

Chronic Total Coronary Occlusions

Belgium
Soutien aux Actions contre les Maladies du Globule...
Novartis

Completed

"Association of Proteinuria and Progression of Kidney Dysfunction in Sickle Cell Disease"Disease (CSEG101A0FR01)

Change in Albumin to Creatinine Ratio and Glomerular Filtration Rate | Progression of Kidney Failure and or All-cause Mortality

France
Onegevity Health
University of Maryland, Baltimore

Completed

A Multi-omic Approach to Evaluate and Characterize the Polycystic Ovary Syndrome (PCOS) Phenotype

Polycystic Ovary Syndrome

United States

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