Clinical trials: C-peptide
Atherosclerosis
PET Imaging of Natriuretic Peptide Receptor C (NPR-C) in Carotid Atherosclerosis (Volunteer - BioD and Safety Study)
This study is designed to assess the safety, biodistribution and dosimetry of the novel atherosclerotic imaging PET radiotracer, Cu[64]-25%-CANF-Comb.
- Trial name
- NCT02498379
- Testing
- Cu[64]-25%CANF-Comb
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Diabetes Mellitus, Diabetes Mellitus, Type 1
Pharmacokinetics Study of Gamma-aminobutyric Acid
The purpose of this study is to determine upon administering GABA orally to a person how it is absorbed, distributed, as well as the drug's pharmacological effects on the body such as glucose levels, serum C-peptide and/or…
- Conditions
- Diabetes Mellitus, Diabetes Mellitus, Type 1, Glucose Metabolism Disorders, Metabolic Diseases
- Trial name
- GABA-PK (NCT01917760)
- Where
- China
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Huashan Hospital
Effects of Different Meals on the QT/QTc Interval, Insulin and Oral Hypoglycemic [Antidiabetic] Drugs Causing Adverse Effects in Therapeutic Use
Food and Insulin Effect on QT/QTC Interval of ECG
Moxifloxacin is routinely used as a probe to confirm assay sensitivity in thorough electrocardiogram (ECG) studies. It has been shown that a meal shortens the QT interval, which may affect pharmacokinetics (PK) and/or…
- Conditions
- Effects of Different Meals on the QT/QTc Interval, Insulin and Oral Hypoglycemic [Antidiabetic] Drugs Causing Adverse Effects in Therapeutic Use, C-Peptide Effects on the QT/QTc Interval, Moxifloxacin ECG Profile in Fed and Fasted State
- Trial name
- C11035 (NCT01642485)
- Testing
- Moxifloxacin 400 mg fasted, FDA breakfast, Continental breakfast
- Where
- United Kingdom
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Richmond Pharmacology Limited
Healthy
Effects of Canagliflozin on C-peptide Clearance in Healthy Volunteers
The purpose of this study is to assess whether treatment with a single oral 300 mg dose of canagliflozin alters the kinetics (ie, clearance/removal from body) of serum C-peptide (a protein released from the pancreas during…
- Trial name
- NCT01665638
- Testing
- Canagliflozin 300 mg, Somatostatin, C-peptide
- Where
- Germany
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Janssen-Cilag International NV
Ischaemia-reperfusion (IR) Injury
The Effects of C-type Natriuretic Peptide on Human Forearm Blood Vessels
To determine the effects of whether increasing CNP concentrations slightly above normal will improve the functioning of blood vessels after the interruption in the flow of blood.
- Trial name
- NCT01075776
- Testing
- C-type natriuretic peptide (CNP), Saline, Acetylcholine
- Where
- United Kingdom
- Volunteers
- healthy volunteers welcome
- Sponsor
- Queen Mary University of London
Diabetes
A Prospective Collection of Peripheral Blood and Urine Specimens to Study C-peptide and Insulin in Healthy Individuals
The study objectives are described below: 1. Obtain matched serum, plasma [(K2 EDTA, Sodium Heparin (NaH), Lithium Heparin (LiH)] and urine specimens collected from a minimum of 50 healthy subjects.
- Trial name
- NCT02614170
- Testing
- Prospective Blood Draw
- Where
- United States
- Volunteers
- 328 people, healthy volunteers welcome
- Sponsor
- Fujirebio Diagnostics, Inc.
Diabetes Mellitus, Type 1
The Diabetes Prevention Trial of Type 1 Diabetes (DPT-1)
The Diabetes Prevention Trial of Type 1 (DPT-1) was a multicenter randomized, controlled clinical trial designed to determine whether it is possible to delay or prevent the clinical onset of type 1 diabetes through daily doses of…
- Trial name
- DPT-1 (NCT00004984)
- Testing
- Parenteral Insulin, Close Observation, Oral Insulin
- Where
- 15 sites in United States, Canada
- Volunteers
- 711 people, healthy volunteers welcome
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Vitamin D Deficiency
The Effects of Vitamin D3 Alone and in a Combination With Omega-3 on the Association of C-peptide With Glycemic Control
The Effects of Vitamin D3 alone and in a combination with omega-3 on the association of C-peptide with glycemic control
- Trial name
- NCT04307784
- Testing
- VD3, Omega-3FA, VD3 and Omega-3FA
- Where
- Jordan
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- Applied Science Private University
Type 2 Diabetes Mellitus, Steroids
Incretin Physiology Associated With Steroid Hormone Treatment
The purpose of this study is to evaluate whether the reduced incretin effect and the paradoxical glucagon responses during oral glucose ingestion and isoglycaemic iv glucose infusion observed in patients with type 2 diabetes are…
- Trial name
- NCT00713440
- Testing
- Oral glucose test (OGTT); isoglycaemic iv. clamp; liquid meal test; Gastric Emptying Rate; Prednisolone; Paracetamol
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Glostrup University Hospital, Copenhagen
Glucose Metabolism, Insulin Secretion
The Glucose-Independent Effects of Exogenous Glucagon on Insulin Secretion and Cognitive Function in Healthy Subjects
In this study the investigators will investigate the glucose-independent effects of exogenous glucagon on insulin secretion and cognitive function in healthy subjects. Subjects will participate in two study days.
- Trial name
- NCT06685146
- Testing
- Glucagon Infusion, Glucose clamp
- Where
- Denmark
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Nicolai Jacob Wewer Albrechtsen
Type 1 Diabetes Mellitus
Biomarkers of Type 1 Diabetes in Children and Their Healthy Siblings
This prospective observational cohort study evaluated genetic, immunologic, and environmental factors associated with type 1 diabetes in children.
- Trial name
- NCT07627230
- Where
- Russia
- Volunteers
- 1,034 people, healthy volunteers welcome
- Sponsor
- Privolzhsky Research Medical University
Type 1 Diabetes
Role of Pregnancy Related Hormones in Lowering the Insulin Requirement in Pregnant Women With Type 1 Diabetes
This is a randomized, double-masked, placebo-controlled, single-center study to evaluate stimulated C-peptide secretion after exogenous administration of mild immunosuppression and growth-promoting factors to women with…
- Trial name
- NCT01265017
- Testing
- Estradiol, medroxyprogesterone, hydrocortisone, GH
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Sansum Diabetes Research Institute
Prediabetes, Gestational Diabetes
Treating Prediabetes in the First Trimester
The investigators plan to study a sample of women with prediabetes (diagnosed by Hemoglobin A1c (HbA1c) 5.7-6.4% or fasting plasma glucose (FPG) 92-125 mg/dL) in the first trimester of pregnancy, and patients will be randomized…
- Trial name
- NCT01926457
- Testing
- Treatment of Prediabetes
- Where
- United States
- Volunteers
- 202 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Autoimmune Diseases, Systemic Inflammatory Process
Vitamin D and Fish Oil for Autoimmune Disease, Inflammation and Knee Pain
The VITamin D and OmegA-3 TriaL (VITAL; NCT 01169259) is a randomized clinical trial in 25,871 U.S. men and women investigating whether taking daily dietary supplements of vitamin D3 (2000 IU) or omega-3 fatty acids (Omacor® fish…
- Conditions
- Autoimmune Diseases, Systemic Inflammatory Process, Knee Pain Chronic, Osteoarthritis
- Trial name
- VITAL (NCT01351805)
- Testing
- Fish Oil, Vitamin D
- Where
- United States
- Volunteers
- 25,871 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Inflammation, Insulin Sensitivity
Effects of Dietary Fats on Cardiovascular Health and Insulin Sensitivity in Subjects With Abdominal Obesity
Rationale: It is well established that increased intake of saturated fatty acids (SFA) is associated with incidence of cardiovascular heart disease (CHD).
- Trial name
- NCT01665482
- Testing
- A 2000 kcal test meal, A 2000 kcal test meal which accounts for 7% fat exchange with carbohydrate
- Where
- Malaysia
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Malaysia Palm Oil Board
Serum CNP Levels, Healthy Reproductive Age Women
Serum Levels of C Type Natriuretic Peptide in Different Reproductive Periods
Recent studies have shown that C natriuretic peptide (CNP) is produced from granulosa cells, increasing cumulative guanosine monophosphate (cGMP) production by affecting cumulus cells through natriuretic peptide receptors.It has…
- Conditions
- Serum CNP Levels, Healthy Reproductive Age Women, Healthy Perimenopausal Women, Healthy Postmenopausal Women
- Trial name
- CO (NCT04000815)
- Testing
- C Type Natriüretic Peptide
- Where
- Cyprus
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Near East University, Turkey
Polycystic Ovary Syndrome, c Type Natriuretic Peptide
Comparison of Serum C Type Natriuretic Peptide Levels Between Polycystic Ovary Syndrome Patients and Healthy Women
Recent studies have shown that C natriuretic peptide is produced from granulosa cells, increasing cumulative guanosine monophosphate (cGMP) production by affecting cumulus cells through natriuretic peptide receptors.
- Conditions
- Polycystic Ovary Syndrome, c Type Natriuretic Peptide, Menstrual Irregularity, Hyperandrogenism
- Trial name
- CNP (NCT04006171)
- Testing
- C type natriuretic peptide
- Where
- Cyprus
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Near East University, Turkey
Healthy Adult, Healthy
PET Imaging of Natriuretic Peptide Receptor C (NPR-C) in Carotid Atherosclerosis With 64Cu-NODAGA-CANF (Volunteer - Dosimetry Study)
The goal of this clinical trial is to determine the biodistribution, safety, and calculate the radiation dosimetry of the novel atherosclerotic PET imaging radiotracer, 64Cu-NODAGA-CANF, in normal healthy adult volunteers.
- Trial name
- NCT07800481
- Testing
- 64Cu-NODAGA-CANF
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Hypoglycemia, Type 1 Diabetes
Effect of C-peptide on Hypoglycemic Counterregulation
Iatrogenic hypoglycemia is the most prominent barrier to the safe, effective management of blood sugar in people with type 1 diabetes due to periodic over-insulinization.
- Trial name
- NCT06470295
- Testing
- Saline, C-peptide
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- University of Cincinnati
Insulin Resistance, Deteriorated Glucose Homeostasis
Insulinotropic Effect of GIP and GLP-1 Before and After Reduced Glucose Tolerance
The incretin effect in patients with type two diabetes is reduced. The investigators have previously shown that it is possible to induce a defect in the incretin effect in healthy individuals.
- Conditions
- Insulin Resistance, Deteriorated Glucose Homeostasis, Inactivity
- Trial name
- NCT01173978
- Testing
- Steroid hormone, No intervention
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Glostrup University Hospital, Copenhagen