Dose Response Relationship for Single Doses of Corticotropin Releasing Hormone (CRH) in Normal Volunteers...
Adrenal Gland HyperfunctionAdrenal Gland Hypofunction2 moreCorticotropin Releasing Hormone (CRH) is a hypothalamic hormone made up of 41 amino acids. Amino acids are proteins that when combined make up different substances, like hormones. The order of amino acids in CRH, has been determined, meaning that the hormone can now be synthetically reproduced in a laboratory setting. When CRH is released from the hypothalamus it stimulates the pituitary gland to secrete another hormone, ACTH. ACTH then causes the adrenal glands to make a third hormone, cortisol. This process is known as the hypothalamic-pituitary-adrenal axis. Problems can occur in any of the steps of this process and result in a variety of diseases (Cushing's Syndrome and adrenal insufficiency). Researchers hope that CRH created in a laboratory setting, ovine CRH (oCRH) can be used to help diagnose and treat conditions of the HPA axis. This study will test the relationship for single doses of oCRH in normal volunteers and patients with disorders of the HPA axis. The oCRH will be injected into the patients vein as a single injection or slowly through an IV line over 24 hours. The participants will have blood tests taken to measure hormone levels before, during, and after receiving the oCRH.
Spontaneous Coronary Artery Dissection (SCAD) and Autoimmunity
SCADAddison Disease28 moreThis case control study aims to determine whether spontaneous coronary artery dissection (SCAD) is associated with autoimmune diseases and to update the incidence of SCAD in a population-based cohort.
Survey in Patients With Chronic Adrenal Insufficiency in Germany
Adrenal InsufficiencyAddison's DiseaseThe purpose of this survey is to assess patients with chronic primary or secondary adrenal failure regarding subjective health status, incidence and causes of adrenal crisis, hormone replacement regimens and concomitant endocrine or non endocrine disease.
Adrenal Function After Living Kidney Donation
Addison DiseaseHypoaldosteronismThe success of kidney transplantation is hampered by the shortage of organs. One attractive strategy is the use of kidneys from living donors. During the donor operation the kidney artery, kidney vein and ureter have to be interrupted as far as possible from the kidney to have sufficient length for the reconnection of these structures in the transplant operation. An adrenal gland is situated at the upper pole of each kidney. While the arterial supply is accomplished by many small vessels, the venous drainage is only through one vein. On the right side the adrenal vein empties directly into the inferior vena cava (the large vessel transporting blood from the lower body to the heart). In contrast, on the left side the adrenal vein empties into the kidney vein, which in turn drains to the inferior vana cava. Due to these anatomical differences a left-sided removal of a kidney always necessitates an interruption of the left adrenal vein, while a right-sided kidney removal does not. As the venous drainage of the left adrenal gland is closed during living kidney donation, the gland is most likely functionally impaired. This can be compared to a right-sided kidney donation, where the adrenal vein is left intact. These comparisons are performed by adrenal function tests before, one week after and one month after kidney donation. These function tests consist of blood values drawn after stimulation with a hormone drug.
Counterregulatory Hormone Production in Adrenal Insufficiency and Diabetes Type I
Addison's DiseaseAdrenal Insufficiency1 morePatients with adrenal insufficiency also exhibit an adrenomedullary dysfunction. Furthermore, patients who suffer from both, adrenal insufficiency and type I diabetes more frequently report hypoglycemia, particularly after strenuous activities. The study investigates the counter regulatory hormonal response to physical stress and the impact on cognitive function in subjects with and without Addison's disease, type I diabetes and healthy subjects.
Additional Autoimmune Diseases With Type 1 Diabetes in Pediatrics at Diabetes Diagnosis and During...
Type 1 DiabetesAutoimmune Diseases5 moreThis study aims to describe the prevalence of additional autoimmune diseases and their specific antibodies at type 1 diabetes (T1D) diagnosis, and their incidence rate during follow-up, for children and adolescents. It also aims to describe the characteristics of the pediatric cohort followed since 2014 for type 1 diabetes by one of France's centers of reference for paediatric diabetes.