Clinical trials: Cell Function
Hematopoietic Stem Cell Transplantation
Oral, Chemosensory and Trigeminal Functions in Allo-HSCT
The goal of this prospective, cohort study is to learn about smell, taste and trigeminal dysfunction in patients receiving allogeneic hematopoietic stem cell transplantation (allo-HSCT).
- Trial name
- NCT06003660
- Where
- Norway
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Oslo
Vascular Diseases
Autophagy Maintains Vascular Function Through a Novel Glycolysis-linked Pathway Regulating eNOS
Aging is inevitable and is the primary risk factor for developing cardiovascular disease. The molecular mechanisms that drive vascular dysfunction in the context of aging are incompletely understood.
- Trial name
- NCT04200560
- Testing
- Rhythmic Handgrip Exercise, Chronic Exercise Training
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Utah
Brain and Central Nervous System Tumors, Cognitive/Functional Effects
Methylphenidate to Improve Quality of Life in Patients Undergoing Radiation Therapy for Brain Tumors
RATIONALE: Methylphenidate may decrease side effects of radiation therapy. It is not yet known if methylphenidate is effective in improving quality of life in patients with primary or metastatic brain tumors.
- Conditions
- Brain and Central Nervous System Tumors, Cognitive/Functional Effects, Depression, Fatigue
- Trial name
- NCT00031798
- Testing
- methylphenidate hydrochloride, quality-of-life assessment, radiation therapy
- Where
- 7 sites in United States
- Sponsor
- Wake Forest University Health Sciences
Head and Neck Cancer, Dysphagia
QUantitative Assessment of Swallowing After Radiation (QUASAR)
To use novel methods for quantitative analysis of VFSS (videofluoroscopic swallow study, also known as modified barium swallow) to study and compare dysphagia in patients treated for head and neck carcinoma with concurrent…
- Conditions
- Head and Neck Cancer, Dysphagia, Oropharyngeal Dysphagia, Oropharynx Cancer
- Trial name
- QUASAR (NCT04359199)
- Testing
- Radiation Therapy, Cetuximab, Chemotherapy
- Where
- 2 sites in United States
- Volunteers
- 42 people
- Sponsor
- Loren Mell, MD
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
Renal Cell Carcinoma, Renal Function Abnormal
The Cold Ischemia Robot-assisted Partial Nephrectomy
To establish evidence that cold ischemia, achieved through the use of ice slush, can improve the recovery from ischemia on the operated kidney in patients undergoing robot-assisted partial nephrectomy.
- Trial name
- NCT07326280
- Testing
- Cold ischemia robot-assisted partial nephrectomy, Warm ischemia robot-assisted partial nephrectomy
- Where
- China
- Volunteers
- 310 people
- Sponsor
- Sun Yat-sen University
Acute Myocardial Infarction
MAGIC Cell-5-Combicytokine Trial
Combination use of darbepoetin and G-CSF will improve left ventricular systolic function in patients with acute myocardial infarction who receive intracoronary infusion of mobilized peripheral blood stem cell in comparison with…
- Trial name
- MAGIC Cell-5 (NCT00501917)
- Testing
- G-CSF with/without darbepoetin, peripheral blood stem cell infusion
- Where
- South Korea
- Volunteers
- 116 people
- Sponsor
- Seoul National University Hospital
Stem Cell Transplant Complications
The Patients' Experience After Stem Cell Transplant
This study will examine how adults ≥ 60 years old thinking and memory abilities are affected by stem cell transplant; whether these changes affect day-to-day activities and quality of life and how thinking and memory abilities…
- Trial name
- NCT03454568
- Where
- United States
- Volunteers
- 110 people
- Sponsor
- University of Nebraska
Autoimmune Adrenocortical Failure
Rescue of Steroidogenic Capacity in Adrenocortical Failure Study (RADS)
This is a pilot study of B lymphocyte depletion therapy in an attempt to salvage adrenal steroidogenic capacity in ten subjects with early autoimmune Addison's disease.
- Trial name
- RADS (NCT00753597)
- Testing
- Solu-medrone, Mabthera
- Where
- United Kingdom
- Volunteers
- 6 people
- Sponsor
- Newcastle University
Overweight
Diurnal Variability in the Regulation of Beta-cell Function and Insulin Sensitivity in Overweight People
The purpose of this research study is to learn more about how our body produces sugar, breaks down fat for fuel, and makes insulin (the major hormone that controls the production of blood sugar and fat breakdown) during a 24-hour…
- Trial name
- 24Hr (NCT02011581)
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Endocrine, Nutritional, Metabolic and Immunity Disorders
Wheat Bioactives and Immune Function
The purpose of this research was to understand the effects of bioactive compounds found in wheat cereal on human immunity. Subjects came in for a baseline blood draw, consumed whole wheat bran cereal daily for 21 days, and…
- Trial name
- NCT02210234
- Testing
- 50 grams of whole wheat bran cereal, 100 grams of whole wheat bran cereal
- Where
- United States
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- University of Florida
Chronic HBV Infection, Drug Withdrawal
Effects of T-bet B Cells in Persistent Virus Control After Discontinuance of NAs in CHB Patients
The immune mechanism of the nucleos(t)ide analogs (NAs) in inhibiting HBV replication effectively while having a low sustained virus control rate after drug withdrawal is unclear.
- Trial name
- NCT06029634
- Testing
- T-bet B cell
- Where
- China
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Changhai Hospital
Histiocytosis
A Study of Memory, Thinking, and Brain Imaging in Adults With Histiocytosis
The purpose of this study is to try to understand how histopcytosis can cause symptoms or problems in the brain. The tests being done in the study will look at memory and thinking as well as brain function via MRI scan.
- Trial name
- NCT03127709
- Testing
- Trail Making Test, Parts A & B, Brief Test of Attention, Symbol Span
- Where
- 4 sites in United States
- Volunteers
- 13 people
- Sponsor
- Memorial Sloan Kettering Cancer Center
Endothelial Dysfunction, Diabetes Mellitus, Type 1
Novel Therapeutics and Endothelial Dysfunction in T1DM Patients
The aim of study is impact of additional treatment with new antidiabetic drugs (semaglutide or empagliflozine) compared to control group in T1DM patients - impact on endothelial function measured by FMD and FPF, arterial…
- Conditions
- Endothelial Dysfunction, Diabetes Mellitus, Type 1, Biomarkers, Endothelial Progenitor Cells
- Trial name
- ENDIS (NCT05857085)
- Testing
- Semaglutide Pen Injector [Ozempic], Empagliflozin 10 MG
- Where
- Slovenia
- Volunteers
- 90 people
- Sponsor
- General and Teaching Hospital Celje
HIV Infections
Growth Hormone to Increase Immune Function in People With HIV
Growth hormone plays an important role in the development of the immune system. Studies suggest that growth hormone may promote growth of the thymus, a gland responsible for the production of important immune cells called T…
- Trial name
- NCT00071240
- Testing
- Somatropin (recombinant human growth hormone)
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
HIV Infections
Effect of Anti-HIV Therapy (HAART) on HIV Levels in the Lungs and on Lung Cell Inflammation in HIV-Infected Patients
The purpose of this study is to see: (1) how the amount of HIV in the lungs compares to that in the blood; (2) if HAART reduces the amount of HIV in the lungs; and (3) if HAART reduces lung inflammation in HIV-infected patients.
- Trial name
- NCT00001110
- Testing
- Bronchoalveolar lavage
- Where
- 5 sites in United States, Puerto Rico
- Volunteers
- 50 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Diabetes Mellitus
Study on Pancreatic Islets in Patients Undergoing (Partial) Pancreatectomy (PRECISE)
The study investigates the mechanisms underlying the pathogenesis of diabetes by examining structural and functional properties of islets of Langerhans in pancreas specimen from patients undergoing (partial) pancreatectomy.
- Trial name
- PRECISE (NCT06150690)
- Testing
- No intervention
- Where
- Germany
- Volunteers
- 400 people
- Sponsor
- German Diabetes Center
Heart Failure, Congestive, Cardiomyopathy, Dilated
Progenitor Cell Therapy in Dilative Cardiomyopathy
Intracoronary infusion of bone marrow derived progenitor cells into the LAD in patients with non ischemic dilated cardiomyopathy.
- Conditions
- Heart Failure, Congestive, Cardiomyopathy, Dilated, Stem Cell Transplantation
- Trial name
- NCT00284713
- Testing
- intracoronary infusion of BMC
- Volunteers
- 30 people
- Sponsor
- Johann Wolfgang Goethe University Hospital
Low Grade Glioma, Glioblastoma Multiforme
(11C)dLop as a Marker of P-Glycoprotein Function in Patients With Gliomas
Background: The blood-brain barrier helps to protect the central nervous system (brain and spinal cord) from harmful toxins, but also prevents potentially useful chemotherapy from reaching brain tumors.
- Conditions
- Low Grade Glioma, Glioblastoma Multiforme, Anaplastic Astrocytoma, Anaplastic Oligodendroglioma
- Trial name
- NCT01281982
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- National Cancer Institute (NCI)
Type 1 Diabetes
Towards Simple and Non-invasive Assessment of Residual Beta-cell Function in Type 1 Diabetes
Type 1 diabetes is condition in which progressive autoimmune destruction of insulin-producing beta-cells leads to absolute insulin deficiency.
- Trial name
- NCT01227538
- Testing
- Mixed meal stimulated urinary C peptide for the assessment of residual beta cell function
- Where
- United Kingdom
- Volunteers
- 17 people
- Sponsor
- University Hospitals Bristol and Weston NHS Foundation Trust
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