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Improving the Sensitivity of Sestamibi SPECT-CT Parathyroid Scan with Calcitonin Pre-treatment for Primary Hyperparathyroidism
Patients with biochemically confirmed primary hyperparathyroidism and non-localizing SPECT-CT exam within the past year will be included. Subjects will be trea…
A Phase 2 Biomarker Study of Parathyroid Tumor Clonal Status in Primary Hyperparathyroidism
To define the frequency of monoclonal-X and polyclonal-X tumors in PHPT participants having parathyroidectomy (PTX) and to define the relationship between para…
A Phase II Study of Accuracy of 18F-Fluorocholine PET/MRI and NeuroEXPLORER PET/CT Imaging for Localization of Parathyroid Tumors
Background: People have 4 parathyroid glands near the thyroid gland in the neck. Surgery is needed to remove a parathyroid gland that is too large or has a tu…
Natural History Study of Parathyroid Disorders
Background: Parathyroid disorders are very common in the general population and include disorders of parathyroid excess, deficiency, or defects in parathyroid…
Molecular and Immunohistochemical Profiling of Tumor From Patients With Parathyroid Tumors for Evaluation of Targeted Agents
This trial studies molecular and immunohistochemical profiling of tumors in patients with parathyroid tumors. Studying molecular and immunohistochemical profil…