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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

Resistance to Vitamin D or Parathyroid Hormone

Patients with confirmed or suspected states with resistance to vitamin D or parathyroid hormone (PTH) will be admitted for diagnosis and treatment and for inclusion in other protocols. These states include hypocalcemia, rickets, osteomalacia, pseudohypoparathyroidism. Resistance to a factor is manifested by deficient bioeffect despite high levels of the factor ...

Phase N/A

Studies of Elevated Parathyroid Activity

Patients with confirmed or suspected primary hyperparathyroidism or complications therefrom (such as postoperative hypoparathyroidism) will be admitted for diagnosis and treatment. The principal diagnostic components are calcium in serum and urine and parathyroid hormone in serum. Patients with moderately to highly severe primary hyperparathyroidism will be treated. Treatment will be ...

Phase N/A

Studies of Inherited Diseases of Metabolism

Familial multiple endocrine neoplasia type 1 (MEN1), familial hypocalciuric (or familial benign) hypercalcemia (FHH), hyperparathyroidism jaw tumor syndrome (HPT-JT), other causes of familial isolated hyperparathyroidism (FIH), and pseudohypoparathyroidism (PHP) are disorders of metabolism that are generally inherited in an autosomal dominant fashion. MEN1 is characterized by overgrowth and hyperfunction of ...

Phase N/A

Immunologic Evaluation in Patients With DiGeorge Syndrome or Velocardiofacial Syndrome

PROTOCOL OUTLINE: Blood samples are collected at diagnosis of chromosome 22q11 deletion and assessed for lymphocyte proliferation in response to mitogens phytohemagglutinin, pokeweed mitogen, and concanavalin A (mitogen stimulation analyses). These analyses are repeated at 4 months along with a quantitative analysis of immunoglobulin. At 8 months, patients are tested ...

Phase N/A

11C Methionine PET for the Detection of Hyperfunctional Parathyroid Tissues

STUDY OBJECTIVES Primary: To compare the accuracy, sensitivity and specificity of 11C-methionine (MET) PET/CT and 99mTc-MIBI SPECT-CT in the detection of pathologic parathyroid glands in patients with primary hyperparathyroidism. Secondary:To compare the accuracy, sensitivity and specificity of 11C-MET and 18F-FDG PET/CT scans in the detection of pathologic parathyroid glands in ...

Phase

Characterization of Patients With Non-surgical Hypoparathyroidism and Pseudohypoparathyroidism

Background: Hypoparathyroidism (HypoPT) is a group of rare clinical disorders characterized by hypocalcaemia and hyperphosphatemia with inappropriate low levels of parathyroid hormone (PTH). Due to the lack of PTH, the renal production of 1α,25-dihydroxycholecalciferol (1,25(OH)2D) is reduced. Most often, HypoPT is caused by accidental removal of the parathyroid glands during ...

Phase N/A

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

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