Glucose Metabolism in Sickle Cell Disease

Status Recruiting

Clinical Trial Summary

The purpose of the study is to better understand how the body handles sugars glucose and fats, such as cholesterol and triglycerides in sickle cell disease, and what puts certain persons at risk to develop diabetes. This understanding may help us to find new treatments to control blood sugar and prevent diabetes in people with and without sickle cell disease (SCD). In this research, DNA and RNA will be isolated from blood cells. DNA will be used to find genes that cause or protect from diabetes, high cholesterol and high triglyceride, and RNA will be used for studies designed to find out how genes are doing their job of eventually producing proteins.

Clinical Trial Description

Sickle cell disease (SCD) is due to homozygosity for a Glu6Val mutation in HBB (sickle cell anemia; hemoglobin SS) or to compound heterozygous forms like hemoglobin SC disease and hemoglobin S-β thalassemia. Past studies suggested a low prevalence of diabetes in patients with SCD.10 Improvements in treatment and care have increased the life span of patients. This, along with the wide availability of high calorie diets and increasing adiposity in SCD raises that possibility that the prevalence of diabetes is increasing in SCD. Our study is designed to characterize the changes in metabolism that occur in sickle cell disease and to identify clinical, genetic and genomic risk factors for the development of diabetes. Our hypothesis is that non-overweight subjects with SCD have relative protection from diabetes and metabolic syndrome, but that those individuals who do become overweight have a dramatic increase in the rates of diabetes and metabolic syndrome. Lean SCD subjects will not have simply a neutral, but an overtly anti-diabetic phenotype (e.g. better glucose tolerance and lower metabolic syndrome markers). The two main study aims are as follows; Aim 1. Define the metabolic status of adult SCD subjects according to normal or increased BMI. Aim 2. Determine genetic and genomic predictors of overweight, metabolic syndrome and diabetes in SCD subjects. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02922296
Study type	Observational
Source	University of Illinois at Chicago
Contact	Victor Gordeuk, MD
Phone	312-996-5680
Email	vgordeuk@uic.edu
Status	Recruiting
Phase
Start date	May 1, 2015
Completion date	December 1, 2025

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.