Clinical trials: Cell Function
Intervention, Waitlist Control
Chiropractic T Cell Study
Some studies suggest that specific chiropractic care (techniques known as "spinal manipulation therapy") can have benefits to the immune system but studies are scarce, sample sizes small, and methodology and analyses often not of…
- Trial name
- NCT05412602
- Testing
- full spine corrective protocol
- Where
- Canada
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Blood Loss Anemia, Extracorporeal Membrane Oxygenation Complication
Red Blood Cell Transfusion in ECMO - A Feasibility Trial
Extracorporeal Membrane Oxygenation (ECMO) is an invasive and resource intense treatment used to support critically ill patients who have suffered severe cardiac arrest, cardiac failure or respiratory failure (including severe…
- Conditions
- Blood Loss Anemia, Extracorporeal Membrane Oxygenation Complication, Disability Physical, Cognitive Ability, General
- Trial name
- ROSETTA (NCT05814094)
- Testing
- Red Blood Cell Transfusion
- Where
- 2 sites in Australia
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Australian and New Zealand Intensive Care Research Centre
Head and Neck Cancer, Oropharyngeal Cancer
Role of Immune Activation in Response of Head and Neck Squamous Cell Carcinoma to Therapy
The purpose of this study is to investigate the role of the immune system in the response of squamous cell cancers of the head and neck to treatment that includes radiation therapy.
- Conditions
- Head and Neck Cancer, Oropharyngeal Cancer, Human Papillomavirus, Squamous Cell Cancer
- Trial name
- NCT01358097
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Sickle Cell Anemia
Nitric Oxide to Improve Blood Flow in Sickle Cell Disease
Nitric oxide is important in regulating blood vessel dilation, and consequently, blood flow. This gas is continuously produced by cells that line the blood vessels.
- Trial name
- NCT00009581
- Testing
- L-NMMA, Acetylcholine
- Where
- United States
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Psoriasis
Regulatory T-cells in Psoriasis Patients as Targets for Therapy
The aim of this study is to understand which therapies will suppress effector cells and promote regulatory T cells and To test whether patients with a better response to therapy and longer psoriasis-free periods develop a higher…
- Trial name
- NCT01233583
- Testing
- Dovobet, neotigason, etanercept, adalimumab. infliximab
- Where
- United Kingdom
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- University of Aberdeen
Cystic Fibrosis
Effect of the CFTR-modulating Triple Therapy Elexacaftor - Tezacaftor - Ivacaftor
The aim of this study is to investigate the frequency distribution, cytokine profile and function of peripheral, mononuclear leukocyte populations (monocytes, NK cells, T/B lymphocytes) and their correlation to clinical and…
- Trial name
- NCT05576324
- Testing
- Elexacaftor / Ivacaftor / Tezacaftor
- Where
- Germany
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- University of Erlangen-Nürnberg Medical School
Idiopathic Pulmonary Fibrosis, Healthy
Determining in Vitro Properties of Epithelial Cells From Individuals With Genetic Variants Associated With Idiopathic Pulmonary Fibrosis
The investigators are trying to understand the role of specific genes in the function of airway surface cells. The investigators know that there are some common genetic markers that are associated with various lung diseases.
- Trial name
- NCT02187393
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Sickle Cell Anemia
Establishment of Functional MRI Imaging Parameters for Use in the Evaluation of Sickle Cell Disease
Patients with sickle cell anemia (SCA) are at an increased risk for damage to brain tissue due to their disease. The investigators are interested in how blood flow and cerebral inflammation are different in SCA patients and how…
- Trial name
- NCT02445144
- Where
- 2 sites in United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Albert Einstein College of Medicine
Obesity, Insulin Resistance
Vitamin K and Glucose Metabolism in Children at Risk for Diabetes (Vita-K 'n' Kids Study)
The undercarboxylated fractions of the two vitamin K-dependent proteins osteocalcin and matrix Gla protein have been shown to play key roles in type 2 diabetes and cardiovascular disease (at least in mouse models).
- Conditions
- Obesity, Insulin Resistance, Insulin Sensitivity, Prediabetes
- Trial name
- NCT01972113
- Testing
- Low-Dose Vitamin K2 (menaquinone-7; 45 mcg/d), High-Dose Vitamin K2 (menaquinone-7; 90 mcg/d)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Augusta University
Adherence, Medication, Functional Constipation
Adherence and Outcomes in Functional Constipation With a Constipation Action Plan
We will be assessing for improvement in reported symptoms as well as reported quality of life in pediatric patients with functional constipation using a constipation action plan and an adherence log.
- Conditions
- Adherence, Medication, Functional Constipation, Pediatric ALL, Survey, Family Life
- Trial name
- NCT04614935
- Testing
- Action Plan
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Age-Related Lung Function Decline
Ongoing Lung Decline With Age Intensified Response
This Phase II, randomized, double-blind, placebo-controlled pilot study will evaluate the effects of fisetin, a senolytic flavonoid compound, on lung function and biomarkers of cellular senescence in older adults aged 60 years…
- Trial name
- OLD AIR (NCT07676435)
- Testing
- Fisetin
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center
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
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
Diabetes Mellitus
The Aim is to Estimate the Total Amount of Insulin-producing Cells in the Pancreas by MRI.
Assess pancreatic beta cell function using MR imaging.
- Trial name
- NCT00280085
- Testing
- MR imaging, Glucose clamp, Arginine
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Pfizer
HNSCC
Artificial Intelligence in Functional Imaging for Individualized Treatment of Head and Neck Squamous Cell Carcinoma Patients
The two curative treatment modalities for patients with HNSCC - primary chemoradiation (CRT) or primary surgery (often combined with postoperative (C)RT) - are both associated with serious side effects for which reason further…
- Trial name
- KIVAL-KHT (NCT05192655)
- Testing
- Observation
- Where
- Germany
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
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
Sexual Desire
Effects of Glucagon-like-Peptide-1 Analogues on Sexuality
This study is to investigate the effects of GLP-1 analogues (combined with lifestyle interventions in comparison to lifestyle interventions only) on sexual desire, mood, quality of life, the reproductive axis, retinal vessel…
- Trial name
- Desire PLUS (NCT05598008)
- Where
- Switzerland
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Insulin Sensitivity
Insulin Sensitivity and Beta Cell Function After Carbohydrate Loading in Hip Replacement Surgery
The purpose of this study is to determine whether preload of carbohydrate or water before elective hip replacement improve insulin sensitivity and or beta cell function in human.
- Trial name
- NCT01774084
- Testing
- Experimental: PreOp, NutriciaNordica AB
- Where
- 2 sites in Sweden
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Energy Metabolism
Acute Effects of Caffeine on Mitochondrial Function in Peripheral Blood Mononuclear Cells
This randomized, double-blind, placebo-controlled crossover study will evaluate the acute effects of caffeine consumption on substrate utilization, resting energy metabolism, and mitochondrial function in peripheral blood…
- Trial name
- MITOCAFFEINE (NCT07873047)
- Testing
- Caffeine (5 mg/kg)
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Pontificia Universidad Catolica de Chile
Cardiovascular Disease
The Role of Nitric Oxide Synthase in Circulating Progenitor Cell Function
Our main hypothesis is that EPC function is impaired in some populations with high cardiovascular risk as a result of reduced eNOS-dependent NO production.
- Trial name
- NCT00627068
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco