Clinical trials: Cell Function
Vestibular Schwannoma, Inner Ear Disease
Vestibular Precision: Physiology & Pathophysiology
This project will investigate the role of noise in the vestibular system, and in particular its effects on the variability (precision) of vestibular-mediated behaviors.
- Conditions
- Vestibular Schwannoma, Inner Ear Disease, Dizziness, Neurofibromatosis 2
- Trial name
- NCT04890132
- Testing
- VOR precision training
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Healthy, Obesity
Mitochondrial Function in Circulating Cells and Muscle Tissue
The main goal of this project is to determine whether mitochondrial function in circulating cells is related to that measured in the muscle fibers of the same subjects.
- Conditions
- Healthy, Obesity, Insulin Sensitivity, Women
- Trial name
- MitoWomen (NCT02700698)
- Where
- 2 sites in United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Arkansas
Breast Cancer, Estrogen Receptor-positive Breast Cancer
Evaluation of Endocrine Therapy Effects of Host Immunity in Early Stage Breast Cancer
The purpose of this research study is to learn about the effects that standard of care endocrine therapies have on the immune system's response to cancer by looking at the number and types of immune cells present and how they…
- Conditions
- Breast Cancer, Estrogen Receptor-positive Breast Cancer, Healthy
- Trial name
- NCT03719495
- Where
- United States
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Duke University
Type 2 Diabetes Mellitus
Glucolipotoxicity and Type 2 Diabetes
Elevations of blood glucose and lipid are thought to be deleterious to the insulin secretory function of the pancreas. This is known as glucolipotoxicity. However, few studies have examined this in detail.
- Trial name
- NCT01375270
- Testing
- Glucotoxicity, Lipotoxicity
- Where
- Denmark
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Mitochondrial Function, Physical Function
Resveratrol to Enhance Vitality and Vigor in Elders
Resveratrol, a compound found in red wine and dark-skinned grapes, will improve the function of mitochondria (energy producing components) within the leg muscles of moderate functioning older adults.
- Trial name
- REVIVE (NCT02123121)
- Testing
- Resveratrol 1000 mg/day, Resveratrol 1500 mg/day, Vegetable cellulose
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Florida
Perceived Discrimination, RNA
Social Experiences and Demographic Factors in the Regulation of Immune Cells
Immune-mediated inflammatory diseases are a health burden for approximately seven percent of the population of Western nations. Preliminary data suggest variations in ethnic identity and/or geography influence discrimination…
- Conditions
- Perceived Discrimination, RNA, Inflammatory Response
- Trial name
- NCT06519487
- Testing
- Cyberball
- Where
- 2 sites in United States
- Volunteers
- 480 people, healthy volunteers welcome
- Sponsor
- Morgan State University
Sickle Cell Anemia
State Of The Art Functional Imaging In Sickle Cell Disease
Sickle cell anemia (SCA) is a serious blood disease with blood vessel changes leading to brain injury and stroke. Studies show about 11% of patients with SCA will develop obvious stroke before age 20 years, with children less…
- Trial name
- NCT01137721
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- St. Jude Children's Research Hospital
Diabetes
Ghrelin Effect on Beta Cell Function in Health and Disease
To determine the role of nutrient status on ghrelin regulation of insulin secretion. We hypothesize that ghrelin and glucagon-like peptide-1 (GLP-1)(both are hormones made in the gut,) have differential effects on β-cell function…
- Trial name
- NCT01729299
- Testing
- Exendin (9-39), acyl ghrelin, saline
- Where
- 2 sites in United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- David Dalessio
Sepsis, Critical Illness
Metabolic and Functional Study of γδ T Cells in Critically Ill Patients
This prospective observational cohort study investigates the subset-specific metabolic adaptation and functional remodeling of cytotoxic γδ T cells in critically ill patients with and without sepsis.
- Conditions
- Sepsis, Critical Illness, Immunosuppression, MODS
- Trial name
- NCT07680816
- Where
- China
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Alpha-1 Antitrypsin Deficiency, AAT Deficiency
Lung Disease and Its Affect on the Work of White Blood Cells in the Lungs
The purpose of this study is to look at how Alpha-1-antitrypsin (AAT) deficiency and Cystic Fibrosis (CF) affect white blood cells in the lungs, called macrophages, and their ability to work.
- Conditions
- Alpha-1 Antitrypsin Deficiency, AAT Deficiency, AATD, Cystic Fibrosis (CF)
- Trial name
- NCT01851642
- Testing
- History and physical exam., Blood draw., Pulmonary function testing.
- Where
- United States
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- University of Florida
Glanzmann Thrombasthenia
The Genetics and Functional Basis of Inherited Platelet, White Blood Cell, Red Blood Cell, and Blood Clotting Disorders.
Blood contains red blood cells, white blood cells, and platelets, as well as a fluid portion termed plasma. We primarily study blood platelets, but sometimes we also analyze the blood of patients with red blood cell disorders…
- Trial name
- NCT00230165
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Rockefeller University
Diabetes Mellitus, Gut Microbiota
Correlation Between Gut Microbiota and Pancreatic Β-Cell Function in Diabetic Patients
The gut microbiota plays a crucial role in digestion, metabolism, nutrition, and immune regulation in the human body. In recent years, numerous studies have indicated that the gut microbiota and its metabolites are closely…
- Trial name
- NCT06645223
- Testing
- No Interventions
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Peking University Third Hospital
Turner Syndrome
Risk of Diabetes in Young Turner Syndrome Patients
Turner Syndrome is a common genetic disorder. Seventy percent of adults with Turner Syndrome have abnormalities in glucose metabolism which can lead to diabetes.
- Trial name
- NCT02160717
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Multiple Myeloma
Patient and Care Partner Experiences Living With Multiple Myeloma (PaCE-MM)
This research study is explore the impact over time of multiple myeloma and its associated treatments on the physical and cognitive function and quality of life of patients and their care partners and how these impacts affect the…
- Trial name
- PaCE-MM (NCT05276622)
- Testing
- Comprehensive Geriatric Assessment, Qualitative patient-care partner interviews, Surveys on well-being and function
- Where
- United States
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- UNC Lineberger Comprehensive Cancer Center
Prediabetes, Prediabetes (Insulin Resistance, Impaired Glucose Tolerance)
Multimodal Risk Factor Graph Mapping, Metabolic Subtyping, and Digital Intelligent Chronic Disease Management for Prediabetes: An Integrated Cohort and Case-Control Clinical Study
This observational study aims to understand the metabolic characteristics and long-term changes in adults with prediabetes and to identify risk and protective factors associated with progression to diabetes or return to normal…
- Conditions
- Prediabetes, Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Impaired Fasting Glucose, Impaired Glucose Tolerance (Prediabetes)
- Trial name
- DM-PIONEER (NCT07854002)
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- Nanjing Medical University
Lymphangioleiomyomatosis (LAM), Extracellular Vesicles; Generation and Function
Role of Extracellular Vesicles as Biomarkers of Pulmonary Involvement in Patients With Lymphangioleiomyomatosis and Tuberous Sclerosis Complex
Lymphangioleiomyomatosis (LAM) is a rare lung disease, linked to Tuberous Sclerosis Complex (TSC) or occurring sporadically, and involves abnormal mTORC1 activation.
- Trial name
- NCT07304856
- Testing
- Pulmonary Function Test, Analysis of Extracellular Vesicles
- Where
- Italy
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Milan
Diabetes Mellitus, Type 2, Diabetes Mellitus Type 2 in Obese
From Skin Fibroblasts to Neural Stem Cells to Investigate in Vitro the Impact of Diabetes on Adult Neurogenesis
Obesity and glucose intolerance or overt diabetes are increasing at an alarming rate in the population, and are bound to become a public health issue and a major cause of disability, loss of independence and high social costs in…
- Conditions
- Diabetes Mellitus, Type 2, Diabetes Mellitus Type 2 in Obese, Diabetes Mellitus Type 2 in Nonobese, Obesity
- Trial name
- NCT05755321
- Testing
- Skin biopsy
- Where
- Italy
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Liver Transplant, Hemorrhage, Surgical
Platelet Count and Function After Usage of Two Different Cell Saver Devices During Liver Transplant Surgery
Intraoperative cell salvage is commonly used in surgeries that carry a major hemorrhagic risk to reduce the administration of allogeneic red blood cells and thus improve the outcome for the patient.
- Trial name
- PLFLTS (NCT06357455)
- Testing
- Cell Salvage Autotransfusion: SAME™ device, Cell Salvage Autotransfusion: Autolog™ device
- Where
- Switzerland
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Eduardo Schiffer
Fatty Liver, Insulin Resistance
Insulin Resistance in Non-alcoholic Fatty Liver Disease
The purpose of this study is to determine whether nonalcoholic fatty liver disease (NAFLD) is associated with altered peripheral and hepatic insulin sensitivity and to investigate potential mechanisms underlying insulin…
- Trial name
- NCT00252499
- Testing
- rosiglitazone, fenofibrate
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Propofol, Glioma
Effects of Propofol on Auditory Event-related Potentials and Brain Functional Connectivity in Patients With Supratentorial Glioma
The growth of gliomas often infiltrates important brain tissues and impairs subcortical fiber transmission, resulting in changes in global brain network connectivity.
- Conditions
- Propofol, Glioma, Auditory Event-related Potential (AERP), Electroencephalogram (EEG)
- Trial name
- NCT05352685
- Testing
- Propofol Injection
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Beijing Tiantan Hospital