Growth Hormone Resistance of Beta-cells
NCT06571487
Summary
The purpose of the research study is to better understand how beta-cells (cells in the pancreas that make insulin and help regulate blood sugar) respond to growth hormone in people with a personal history of gestational diabetes (high blood sugar in pregnancy) at the University of Missouri. The aim of the study is to advance understanding of how growth hormone affects beta-cells and risk factors for developing gestational diabetes and type 2 diabetes.
Eligibility
Inclusion Criteria: * Singleton, full term pregnancy within the past 5 years * Hemoglobin HbA1c ≤5.6% and fasting blood glucose \<100 mg/dl * Body mass index ≥30.0 kg/m2 and \<45.0 kg/m2, because the majority of women with GDM have overweight/obesity Group specific inclusion criteria: * Gestational Diabetes Group: History of gestational diabetes in the most recent pregnancy * Control Group: no history of gestational diabetes Exclusion Criteria: * Pregnant, planning to become pregnant during the study, or breastfeeding * Current diagnosis or history of type 1 or type 2 diabetes * Use of medications that can impact the study outcomes (e.g., GLP-1 receptor agonists) * History of bariatric surgery * Known hypothyroidism or use of thyroid medications * History of intracranial hypertension, including papilledema, or a condition that increases the risk of developing intracranial hypertension, such as Turner Syndrome, Prader-Willi Syndrome, or renal impairment * Current cancer or cancer that has been in remission less than 5 years * First degree relative with diabetes diagnosis * Evidence of significant anemia or significant end organ dysfunction (e.g., liver, kidney, heart disease) * Alcohol use disorder, use of controlled substances, or smoking \>2 cigarettes per day * Greater than 3% weight loss within three months of screening or engaged in regular (≥3 days per week), continuous moderate- or high-intensity exercise of ≥30 min duration * Mentally disabled persons, prisoners, and persons with inability to grant voluntary informed consent
Conditions4
Locations1 site
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NCT06571487