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NCT04969926 2025-11-26

Natural History Study of Parathyroid Disorders

EndocrineHead & Neck

Hyperparathyroidism, Parathyroid Neoplasms, Pseudohypoparathyroidism, Multiple Endocrine Neoplasia Type 1, Hyperparathyroidism, Primary

NCT00001345 2023-01-20

Studies of Inherited Diseases of Metabolism

EndocrineHead & Neck

Hypocalciuric hypercalcemia, familial, type 1, Hypercalcemia, Hyperparathyroidism, Multiple Endocrine Neoplasia

NCT00001394 2008-03-04

Using X-Ray Dye to Locate Hidden Parathyroid Tumors

Hyperparathyroidism, Parathyroid Neoplasms