Clinical trials: Cell Function
Physical Inactivity, Dietary Protein
Diet Composition and Physical Inactivity on Insulin Sensitivity and β-cell Function
Physical inactivity results in reductions in glucose tolerance and less sensitivity to insulin. If this inactivity lasts long enough it can result in insulin resistance and type 2 diabetes.
- Trial name
- NCT03013764
- Testing
- normal protein diet, high protein intake
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Multiple Myeloma, MGUS
Intestinal Flora and Immunity in Monoclonal Gammopathy Patients
This study aims to investigate the characteristics of the gut microbiota and immune function status in patients with monoclonal gammopathy complicated by infection, and to analyze the correlation between the two.200 patients…
- Conditions
- Multiple Myeloma, MGUS, Gut Microbiota, Infections
- Trial name
- NCT06539832
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Zhujiang Hospital
Diabetes Mellitus, Type 2, Impaired Glucose Tolerance (IGT)
Pre-diabetes in Subject With Impaired Fasting Glucose (IFG) and Impaired Glucose Tolerance (IGT)
HYPOTHESIS: Impaired glucose tolerance (IGT) and impaired fasting glucose (IFG) have distinct pathophysiologic etiologies. Therefore, therapeutic interventions designed to correct the specific underlying pathogenic abnormalities…
- Conditions
- Diabetes Mellitus, Type 2, Impaired Glucose Tolerance (IGT), Impaired Fasting Glucose (IFG)
- Trial name
- NCT02969798
- Testing
- Dapagliflozin, Saxagliptin, Pioglitazone
- Where
- United States
- Volunteers
- 700 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio
Ketosis, Metabolic, Immune Functions
The Effect of Acute Exogenous Oral Ketone Supplementation on Immune Cells Function and Immune Cells Histone Β-hydroxybutyrylation
To conduct a single-arm pilot study to determine how acute ingestion of an exogenous ketone monoester supplement alters the histone lysine β-hydroxybutyrylation and immune function in healthy human monocytes and lymphocytes.
- Conditions
- Ketosis, Metabolic, Immune Functions, Histone Deacetylase (HDAC) Activity
- Trial name
- Acute_Ketone (NCT06590623)
- Testing
- Ketone Monoester (KE)
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Infertility, In Vitro Fertilization Protocols
Evaluation of Granulosa Cells Function After IVF Protocols
This study is intended to evaluate ovarian cells after being submitted do different in vitro fertilization protocols. The investigators will analyze hormones secretion and intracellular mechanisms of these cells comparing the…
- Trial name
- NCT01946022
- Testing
- randomization between the two GnRH analogues (agonist and antagonist)
- Where
- 2 sites in Brazil
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Hospital de Clinicas de Porto Alegre
Glioblastoma Multiforme, Adult, Glioblastoma or Gliosarcoma
Prognostic Potential of Olfactory Function in Glioblastoma: a Prospective Observational Study
The study aims to investigate the prognostic significance of olfactory function in patients with glioblastoma. We are examining olfactory function at various points during therapy and correlating the results with survival data.
- Conditions
- Glioblastoma Multiforme, Adult, Glioblastoma or Gliosarcoma, Glioblastoma, Adult
- Trial name
- OLFGBM (NCT06954636)
- Testing
- olfactory testing (threshold and identification test)
- Where
- 2 sites in Germany
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- Sied Kebir
Type 2 Diabetes
Study of Vitamin D and Omega-3 Supplementation for Preventing Diabetes
The VITamin D and OmegA-3 TriaL (VITAL; NCT 01169259) is an ongoing randomized clinical trial in 25,875 U.S. men and women investigating whether taking daily dietary supplements of vitamin D3 (2000 IU) or omega-3 fatty acids…
- Trial name
- NCT01633177
- Testing
- Vitamin D3, Omega-3 fatty acid (fish oil)
- Where
- United States
- Volunteers
- 22,220 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Leukemia
Natural Killer Cells Functions, Tumoral Escape to Immune System and Regulation of Natural Cytotoxixity Receptors in Haematological Malignancies
The NK cells participate in the innate immunity against infectious agents or transformed cells that are recognized as "no self" by the absent, weak or abnormal expression of human leukocyte antigen (HLA) class I molecules.
- Trial name
- NCT01915992
- Testing
- blood samples
- Where
- France
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Assistance Publique Hopitaux De Marseille
Sleep Apnea Syndromes
The Number and Function of Regular T Cell in Patients With Obstructive Sleep Apnea
To compare the number and function of regular T cell of patients with obstructive sleep apnea (OSA) versus that of age-, gender- and BMI (body mass index)-matched controls
- Trial name
- NCT02342028
- Testing
- OSA
- Where
- Taiwan
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Taipei Veterans General Hospital, Taiwan
Diabetes Mellitus, Type I, Diabetes Mellitus, Insulin-Dependent, 1
Imatinib Treatment in Recent Onset Type 1 Diabetes Mellitus
Type 1 diabetes mellitus (T1DM) results from the autoimmune destruction of insulin-producing ß cells. Although exogenous insulin is widely available, it is not possible for affected individuals to consistently achieve euglycemia…
- Conditions
- Diabetes Mellitus, Type I, Diabetes Mellitus, Insulin-Dependent, 1, Type 1 Diabetes Mellitus, Insulin-Dependent Diabetes Mellitus 1
- Trial name
- NCT01781975
- Testing
- Imatinib Mesylate
- Where
- 9 sites in United States, Australia
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Mitochondrial Function
Functional Mitochondrial Analysis PBMCs
The primary goal of this prospective, exploratory, longitudinal, single-centre, cohort study is to assess the stability of the mitochondrial flux in PBMCs over long-term cryopreservation.
- Trial name
- FMAP (NCT06498791)
- Testing
- Venipuncture, Questionnaire
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- VASCage GmbH
Measuring Red Blood Cell Survival After Transfusion
Optimization of Biotinylation Protocol for Studies of Red Blood Cell Survival and Function After Transfusion
The goal of this clinical trial is to compare two methods of labeling red blood cells with biotin. The main question to answer is whether red blood cells labeled 48 hours before transfusion survive as long as red blood cells…
- Trial name
- NCT06788080
- Testing
- BioRBC
- Where
- 2 sites in United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Vitalant Research Institute
Sickle Cell Disease
Neurovascular Determinants of Cognitive Function in Adults With Sickle Cell Disease
Cognitive impairment is a poorly understood, serious, and emerging complication for adult patients with sickle cell disease. Because there is extensive microvascular damage from oxidative damage in sickle cell disease, the…
- Trial name
- NCT02946905
- Volunteers
- 226 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Age Related Symptoms, Age Related Quality of Life Issues
UCSD Q10 and Aging Study
Goal: The investigators propose to test the feasibility of giving the supplement coenzyme Q10 (Q10) improves symptoms and subjective health in an aging population.
- Trial name
- NCT02012322
- Testing
- Coenzyme Q10
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Glioma
fMRI Study of Functional Reorganization in Glioma Patients
Glioma is an invasive growth, easy to relapse, poor prognosis, great harm to human and society. Studies have shown that gliomas can cause the dynamic reorganization of brain functional areas, affecting the accuracy of surgical…
- Trial name
- NCT05019196
- Testing
- GE 3.0T MRI
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital Xi'an Jiaotong University
Parkinson Disease
Cell Studies of Parkinson's Disease
This study will examine and compare blood samples from healthy volunteers and patients with Parkinson's disease to identify abnormalities associated with Parkinson's disease.
- Trial name
- NCT00076505
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- National Human Genome Research Institute (NHGRI)
Sickle Cell Disease, Sickle Cell Trait
Bone Loss, Physical Function and Frailty in Older Women With Sickle Cell Trait Sickle Cell Trait
This is a cross-sectional, clinical research study comparing postmenopausal women of African Descent (AD) with different hemoglobin genotypes: normal and sickle cell trait (SCT). This research study has two purposes.
- Trial name
- NCT07083531
- Testing
- Healthy volunteers without SCT, Healthy volunteers with SCT
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- UConn Health
Vestibular Schwannoma, Neurinoma, Acoustic
Evolution of Vestibular Function After Treatment of a Vestibular Schwannoma by Gamma-knife Radio-surgery
The purpose of this study is to evaluate the vestibular effects of gamma-knife radiosurgery, as part of the treatment of vestibular schwannoma.
- Conditions
- Vestibular Schwannoma, Neurinoma, Acoustic, Acoustic Neuroma
- Trial name
- EVERS (NCT06112509)
- Testing
- Vestibular exam
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Besancon
Diabetes Mellitus
Defining the Molecular and Physiological Mechanisms of Pancreatic Islet Cell Dysfunction Which Lead to Type 2 Diabetes
Defects in insulin secretion are central to the pathogenesis of type 2 diabetes (T2D) but the molecular basis and physiological consequences of those defects are poorly understood, impeding efforts to develop novel therapeutic…
- Trial name
- DIVA-Exeter (NCT02505308)
- Testing
- Glucose-Potentiated Arginine-Induced Insulin Secretion
- Where
- 2 sites in United Kingdom
- Volunteers
- 328 people, healthy volunteers welcome
- Sponsor
- Royal Devon and Exeter NHS Foundation Trust
Diet Habits, Athlete
Legume-Enriched Mediterranean Diet and Cellular Hydration in Competitive Swimmers
This study investigates whether increasing legume consumption within a Mediterranean diet framework improves cellular hydration, autonomic regulation, and functional performance in competitive swimmers.
- Trial name
- LEGUMES-SWIM (NCT07315529)
- Testing
- Legume-enriched Mediterranean diet
- Where
- Italy
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- San Raffaele Telematic University