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Resistance to Vitamin D or Parathyroid Hormone Clinical Trials Resources presented on Clinical Trials Search is not meant to be a substitute for proven health advice, calls or treatment with a real medical. We aren't mDs. Always consult your doctor on Resistance to Vitamin D or Parathyroid Hormone conditions. Clinical Trials Search.org is a website dedicated to listing clinical research studies in human subjects. Resistance to Vitamin D or Parathyroid Hormone Clinical research trials and Resistance to Vitamin D or Parathyroid Hormone healthcare trials take place in a lot of of localities throughout the U.S.. A clinical trial or clinical study is a research project with human volunteer subjects. Clinical drug trials and pharmaceutical clinical trials typically assess the effectiveness of new does drugs. The function of the studies / projects is to figure out specific human medical questions. Clinical trials are a popular means for doctors, government agencies, and private sector corporations to find cures for all varieties of conditions, like Resistance to Vitamin D or Parathyroid Hormone. Resistance to Vitamin D or Parathyroid Hormone Clinical Trials and other clinical trials allow volunteers to access health treatment options before they are available to the masses. Many times the subjects receive professional assistance for free, and every now and again they are compensated for their time. Sometimes there is a cost for a Resistance to Vitamin D or Parathyroid Hormone clinical trial. Human subjects often obtain the finest healthcare possible for their Resistance to Vitamin D or Parathyroid Hormone condition. Hazards are a reality, nevertheless, and might include additional or frequent dr. calls, health hazards (potentially life-jeopardizing), and/or the treatment being uneffective. Trials are federally regulated with stern guidelines to protect clinical trials patients.
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Home > "R" Clinical Trials Conditions > Resistance to Vitamin D or Parathyroid Hormone  Resistance to Vitamin D or Parathyroid Hormone
Resistance to Vitamin D or Parathyroid Hormone
For Condition: Hypocalcemia,Osteomalacia,Pseudohypoparathyroidism,Pseudopseudohypoparathyroidism,Rickets
Status: Recruiting
Sponsor(s): National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) ,
Synopsis: Patients with confirmed or suspected conditions with a resistance to vitamin D or parathyroid hormone (PTH) will be admitted for diagnosis and treatment, and inclusion in other studies pertaining to similar conditions. This study will provide information about problems relating to calcium in the blood, urine, and bones. Patients in this study will undergo a general evaluation / check-up to give researchers an idea of each person's condition or disease. Patients will receive treatment based on their diagnosis and asked to provide specimen samples for further research studies.
Details: 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 in blood. Patients will be tested with multiple indices of mineral metabolism to establish the diagnosis and examine the spectrum of the underlying disorder. The principal therapies will be combinations of calcium, phosphate, and a vitamin D analog. Selected patients will have localization and surgery to remove a tumor that causes renal wasting of phosphate. Patients will also undergo research tests which may include skin biopsy or apheresis and will be considered for entry into other protocols.
Eligibility:
Study Type: Observational, Natural History
Minimum Age/Maximum Age: /
Genders: Both
Protocol Entry Criteria: INCLUSION CRITERIA Patients of any age or sex with vitamin D resistance, rickets, osteomalacia, pseudohypoparathyroidism, pseudo-pseudohypoparathyroidism, or suspicion of these or related disorders based upon the appropriateness of their problem to ongoing investigations. Current investigations are focused primarily upon subjects with target tissue resistance to 1,25-dihydroxyvitamin D, pseudohypoparathyroidism, and pseudo-pseudohypoparathyroidism.
Total Enrollment: 9999
Location and Contact Information:
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) *Recruiting*
Bethesda, Maryland, 20892
United States
Recruiting Patient and Public Liaison Office 1-800-411-1222
Additional Information:
Study ID Numbers: 890173; 89-DK-0173
Study Start Date: September 29, 1989
Record last reviewed: August 11, 2003
Additional information available at: clinicaltrials.gov
Clinicaltrials.gov Reference link: NCT00001242
Other Osteomalacia Studies:
1. Resistance to Vitamin D or Parathyroid Hormone
2. Study of the Regulation of Parathyroid Hormone Secretion in Pseudohypoparathyroidism
Related Studies:
Other Osteomalacia Clinical Trials
Other Maryland Clinical Trials
Other Bethesda Clinical Trials
Resistance to Vitamin D or Parathyroid Hormone
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