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Parathyroid Disease Clinical Trials

A listing of Parathyroid Disease medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.

RESULTS

Found (21) clinical trials

We are looking for adults 18 years of age and older with hypoparathyroidism (at time of consent) to take part in a clinical research study. The purpose of the PARALLAX Study is to measure the safety and tolerability of an injectable study drug and its effects on calcium levels in ...

Phase

The Effect of Parathyroidectomy on Renal Function Endothelial Function and Blood Pressure

Secondary hyperparathyroidism (HPT) is a known complication of chronic renal failure. Elevated concentrations of parathyroid hormone (PTH) play a role not only in the pathogenesis of renal bone disease, but also in the development of cardiovascular risk factors such as disturbed lipid metabolism, glucose intolerance, and hypertension. HPT is also ...

Phase N/A

The Psychiatric and Cognitive Phenotypes in Velocardiofacial Syndrome

The purpose of this study is to investigate the Psychiatric and Cognitive Phenotypes in Velocardiofacial Syndrome (VCFS), Williams Syndrome (WS)and Fragile X Syndrome Characterization, Treatment and Examining the Connection to Developmental and Molecular Factors

Phase

Genetics and Psychopathology in the 22q11 Deletion Syndrome

The study of genes that are implicated in various mental diseases is increasingly relevant. The association between a gene and a disease can provide valuable information on how the neurobiology of the brain is altered, by studying the function of the protein encoded by the gene. This information is important ...

Phase N/A

Randall's Plaque Study: Pathogenesis and Relationship to Nephrolithiasis

In order to attempt to explain the pathogenesis of renal calculi, the investigators videotape and document the location and characteristics of each stone, papillae and calyces. One or more small papillary biopsies are taken for analysis to help determine the point of origin of the kidney stone and histological studies ...

Phase N/A

Effect of Cinacalcet on Parathyroid Hormone Secretion in Children and Adolescents With Hypophosphatemic Rickets

X-linked hypophosphatemic rickets (XLH) is an X-linked dominant genetic disorder. Common findings are low serum phosphate and inadequate 1,25(OH)2 vitamin D production. It is generally believed that the primary defect in XLH is impaired renal tubular transport of phosphate coupled with abnormal regulation of the enzyme responsible for the 1-alfa ...

Phase

Albright Hereditary Osteodystrophy: Growth Hormone Trial and Cognitive/Behavioral Assessments

Pseudohypoparathyroidism type 1a (PHP1a) is a disorder that causes many endocrine and developmental problems. To date, medical treatment has focused primarily on maintenance of normal serum levels of calcium, phosphorous, and thyroid hormone. However, these therapeutic interventions do not address the problems of short stature, obesity, and subcutaneous ossifications, which ...

Phase

SNP-based Microdeletion and Aneuploidy RegisTry (SMART)

The primary objective is to determine in a prospective study the performance of SNP based NIPT for the 22q11.2 microdeletion (DiGeorge syndrome) in a large cohort of pregnant women clinically opting for this form of screening. Specific test performance parameters will include: positive predictive value (PPV), specificity, and sensitivity. Secondary ...

Phase N/A

Whole Blood Specimen Collection From Pregnant Subjects

This sample collection protocol allows for the identification, recruitment, and participation in women who are pregnant and are known to: 1. be at an increased risk for fetal genetic abnormalities 2. be at increased risk for congenital fetal infection by virtue of being positive by initial screening tests, or are ...

Phase N/A

Study to Assess the Blood Concentrations and Actions of Recombinant Human Parathyroid Hormone (rhPTH [1-84]) When Given Once and Twice Daily to Subjects With Hypoparathyroidism

This study is being conducted to characterize the effects of twice daily administration of rhPTH(1-84) on the way the body handles rhPTH(1-84) as well as its actions and safety and tolerability over the course of 24 hours as compared with the current once daily dosing regimen of marketed rhPTH(1-84) (marketed ...

Phase