Search clinical trials for: Observation study

Total 18273 results

Ministry of Science and Technology of the People´s...
Peking University Third Hospital; First Affiliated Hospital of Chongqing Medical...

Unknown

Study on Prevention, Treatment and Mechanism of Preterm Labor for Chinese Pregnant Women ≥35 Years Old

Preterm Labor

China
Clínica Los Yoses
Novo Nordisk A/S

Completed

Complications in Central American Diabetic Patients: Historic Cohort

Diabetes Mellitus, Type 2

Costa Rica, El Salvador, Guatemala, Honduras
Sun Yat-sen University
Essilor International

Completed

The Incidence and Progression of Myopia: Cohort Study

Myopia

China
Assistance Publique - Hôpitaux de Paris
Institut National de la Santé Et de la Recherche Médicale, France; Sorbonne... and other collaborators

Not yet recruiting

Clonal Hematopoiesis of Immunological Significance (CHIS)

Immune System Diseases | Lymphoma | Lymphoproliferative Disorders | Autoimmune Diseases | Inflammation | Myelodysplastic Syndromes | Hematologic Diseases | Leukemia | Myeloproliferative Disorders | Myelodysplastic-Myeloproliferative Diseases | Monoclonal Gammopathy of Undetermined Significance | Autoinflammatory... and other conditions
Vanderbilt University Medical Center
University of California, Los Angeles

Recruiting

Longitudinal Impact of Stressors in Adults With Tourette Syndrome (LISA-TS)

Tourette Syndrome

United States
National Taiwan University Hospital
National Taiwan University Hospital Hsin-Chu Branch; National Taiwan University...

Recruiting

Cardiac Amyloidosis in HFpEF

Heart Failure With Preserved Ejection Fraction | Amyloidosis Cardiac

Taiwan
Major Extremity Trauma Research Consortium

Recruiting

The Mobility Toolkit: Electronically Augmented Assessment of Functional Recovery Following Lower-extremity Trauma (MBTK)

Gait

United States
University of Exeter

Completed

Managing Young People With ADHD in Primary Care Study (MAP)

ADHD

United Kingdom
Shengjing Hospital

Active, not recruiting

An Observational Study About Adverse Outcomes in Acute Pulmonary Embolism Patients

Pulmonary Embolism and Thrombosis | Deterioration, Clinical

China
Medialis Ltd.
Metabolic Support UK

Completed

Retrospective and Prospective Disease Progression and Quality of Life in XLH

X-linked Hypophosphatemia (XLH)

United Kingdom
Temple University
National Institute on Minority Health and Health Disparities (NIMHD); National...

Active, not recruiting

Predicting Sleep, Smoking, and Lung Health Disparities in African American Adults

Smoking | Lung Diseases | Sleep

United States
Pfizer

Completed

Transthyretin Amyloidosis Outcome Survey (THAOS) (THAOS)

Transthyretin Amyloidosis | Transthyretin Gene Mutations

United States, France, Spain, Taiwan, Israel, Korea, Republic of, Denmark, Canada, Netherlands, Japan, Sweden, Brazil, Mexico, Argentina, Portugal, Belgium, Bulgaria, Cyprus, Germany, Italy, Malaysia, Romania, Saudi Arabia, Turkey, United...
German Cancer Research Center

Active, not recruiting

Fatigue Prevalence, Severity, and State of Treatment in Germany (FiX)

Cancer-related Fatigue

Germany
UNC Lineberger Comprehensive Cancer Center
American Cancer Society, Inc.

Completed

Chemotherapy-related Cognitive Impairment and Acute Leukemia

Acute Myeloid Leukemia

United States
Xiangya Hospital of Central South University

Enrolling by invitation

National Survey of Essential Tremor Plus in China

Essential Tremor-plus

China
University of Manchester
The Christie NHS Foundation Trust

Completed

An Evaluation of the Psychological Impact of Early Phase Clinical Trials in Cancer Patients. (EPIC)

Depression | Cancer | Anxiety | Psychological Distress | Hope

United Kingdom
Arbor Research Collaborative for Health
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); Washington... and other collaborators

Completed

Symptoms of Lower Urinary Tract Dysfunction Protocol 2/Recall Study

Lower Urinary Tract Symptoms

United States
Mayo Clinic

Completed

The Work of Being a Patient With Diabetes: Data Collection Via a Smartphone Application

Diabetes Mellitus, Type 2
Texas Tech University

Completed

Gender Differences of Neuroanatomical and Neurophysiological Correlates of Risk-proneness in Early Adolescents

Gender | Early Adolescent Behavior

United States
University Hospital, Basel, Switzerland

Completed

Validation Study of ClassIntra® (ClassIntra®)

Postoperative Complications | Intraoperative Complications | Patient Safety | Risk Management

New Zealand, Switzerland, United States, Netherlands, Spain, Austria, Turkey, United Kingdom, Australia, Greece, Ireland, Italy
Fifth Affiliated Hospital, Sun Yat-Sen University
Nanfang Hospital of Southern Medical University; Guangdong traditional Chinese...

Recruiting

The Predictive Value of Dynamic Changes of CD4+T Lymphocytes in Primary Nephrotic Syndrome With Infection

Infections | Nephrotic Syndrome | Lymphocyte

China
National Taiwan University Hospital

Completed

Spiritual Well-being, Self-compassion, Physical Symptoms Distress and Demoralization Among HD Patients (HD)

Hemodialysis

Taiwan
Nanfang Hospital, Southern Medical University

Recruiting

TIPS for PH Patients: an Observational, Cohort Study

Cirrhosis Portal

China
Centre Hospitalier Universitaire de Nīmes

Recruiting

Sensitivity Comparison of Follow-up MRI Between Acute Cerebral and Cerebellar Cortical Microinfarctions ( CMI )Microinfarctions (CMI)

Acute Cerebral and Cerebellar Cortical Microinfarctions (CMI)

France
University Hospital Southampton NHS Foundation...
University of Southampton; University of Cambridge

Not yet recruiting

Mitochondrial Function in the Peri-operative Setting: an Observational Study (MITOSIS)

Perioperative Complication | Surgery-Complications | Mitochondrial

United Kingdom
Kansas City Heart Rhythm Research Foundation

Not yet recruiting

Assessing the Predictive Value of High Frequency Algorithm of PURE EP for Low Amplitude Signal Detection

Cardiac Arrhythmias

United States
King's College London
Parc de Salut Mar; Fondation Jérôme Lejeune

Recruiting

Elucidating Age-related Comorbidity Patterns in Down Syndrome (DS) (GO-DS21)

Down Syndrome

France, Spain, United Kingdom
Aspira Women's Health

Recruiting

Deep Neural Network Stratification for Use Detecting Endometriosis in Women Affected by Chronic Pelvic Pain (EndoCheck)

Endometriosis

United States
Charite University, Berlin, Germany

Recruiting

Acquisition and Long-term Observation of Patients With Severe Allergic Reactions

Anaphylaxis

Germany
Center for Eye Research Australia

Recruiting

Project AMD: Comprehensive Characterisation of Age-Related Macular Degeneration and Its Progression (Project AMD)

Age-related Macular Degeneration | Geographic Atrophy | Age Related Macular Degeneration | AMD

Australia
GlaxoSmithKline

Recruiting

Triple Therapy in Chronic Obstructive Pulmonary Disease (COPD) Participants (TETRIS)

Pulmonary Disease, Chronic Obstructive

Germany
Children's Hospital of Fudan University

Not yet recruiting

A Study of Child Injury Based on Data Mining

Child | Injuries
Chinese University of Hong Kong

Recruiting

Capturing Early Events in Human Parturition

Parturition; Precipitate

Hong Kong
MetroHealth Medical Center

Recruiting

Mucosal Impedance Sleeve Gastrectomy

Gastroesophageal Reflux | Bariatric Surgery Candidate

United States
Kang Stem Biotech Co., Ltd.

Recruiting

Long-term Observational Study to Evaluation the Safety of FURESTEM-RA Inj(K0202)

Rheumatoid Arthritis

Korea, Republic of
Wageningen University
Dutch Cancer Society; Wereld Kanker Onderzoek Fonds; Funding: Biobanking and...

Recruiting

The GEOLynch Cohort Study (GEOLynch)

Neoplasms | Colorectal Neoplasms | Lynch Syndrome | Hereditary Nonpolyposis Colorectal Cancer

Netherlands
Brain-Gut Research Group

Recruiting

Fructose and Lactose Intolerance and Malabsorption in Functional Gastrointestinal Disorders

Fructose Intolerance | Functional Gastrointestinal Disorders | Lactose Intolerance

Switzerland
University Hospital, Ghent
University Ghent

Completed

24-hour Movement Behaviors Among Normal Weight, Overweight and Obese Adults (OwOb_24hmb)

Overweight and Obesity

Belgium
Hospital de Leon
Universidad de León

Active, not recruiting

Sarcopenic Obesity as a Risk of Premature Aging (SARCOBEAGING)

Obesity | Aging | Sarcopenic Obesity

Spain
GlaxoSmithKline

Completed

Etiology of Acute Exacerbations of Chronic Obstructive Pulmonary Disease (AECOPD) in Japan

Pulmonary Disease, Chronic Obstructive

Japan
Centre Hospitalier Universitaire de Nīmes

Completed

Brain Hemorrhage and Functional Outcome in Stroke Patients With CAA Features on Pre-thrombolysis MRI Treated With Intravenous Thrombolysis (Thrombolysis in CAA) ( Thromb in CAA ) (Thromb in CAA)

Stroke | Hemorrhage | Cerebral Amyloid Angiopathy

France
GlaxoSmithKline
Guangzhou Institute of Respiratory Health (GIRH)

Active, not recruiting

Investigation of Chronic Obstructive Pulmonary Disease (COPD) Phenotypes and Endotypes in China

Pulmonary Disease, Chronic Obstructive

China
University of Pennsylvania

Suspended

Restoring Molecular Circadian Rhythm

Healthy Elderly | Healthy Young

United States
Centre Hospitalier Universitaire de Nīmes

Completed

Anatomical Relationship Between Carotid Artery and Hyoid Bone in Stenotic and Non-stenotic Carotids (CAROTHYD)

Stroke | Stenoses, Carotid

France
Amgen

Completed

Historical Data Analysis of Hematological Remission and Survival in Adults With R/R Acute Lymphoblastic Leukemia

Acute Lymphoblastic Leukemia

United States, Czechia, Spain, France, Italy, Germany, United Kingdom, Poland
Assiut University

Completed

Function Outcome of Impaction Injuries in Acetabular Fractures

Acetabular Fracture

Egypt
University Hospital, Geneva

Completed

Perceived Impact of the COVID-19 Pandemic on Medical Management and Symptoms in a High Risk Group

COVID-19 Pandemic | Long-term Non-invasive Ventilation | Vulnerable Subjects

Switzerland
Assiut University

Completed

The Role of Programmed Death Ligand -1 (Pdl-1) in Lung Cancer

Lung Cancer

Egypt
Azienda Ospedaliera Universitaria Integrata Verona

Completed

Registry of COVID-19 Patients at AOUI Verona

Coronavirus Disease 2019

Italy
Uppsala University
Center for Clinical Research Dalarna, Sweden

Completed

The Impact of Premorbid Illnesses on the Risk of ICU Admission and Short-term Outcome

Sepsis | Corona Virus Infection | ARDS, Human

Sweden

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