Selected Ongoing Clinical Trials
This observational study will examine the history, clinical presentation, and genetics of thyroid function disorders. Physical examination, endocrine blood and urine tests, TRH tests, thyroid nuclear medicine scans, thyroidal radioiodine or technetium uptake measurements, X-ray, computed tomography, MRI, or other standard diagnostic procedures will be used as indicated. Men and women of any age with thyroid abnormalities are eligible for enrollment.

Contact: National Institute of Diabetes and Digestive and Kidney Disease, 9000 Rockville Pike, Bethesda, MD 20892. (800) 411-1222. E-mail: prpl@mail.cc.nih.gov.