Parathyroid Hormone Levels in Relation to the Phosphorus Content of Meals
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|ClinicalTrials.gov Identifier: NCT00018135|
Recruitment Status : Completed
First Posted : July 5, 2001
Last Update Posted : June 24, 2005
|Condition or disease||Intervention/treatment|
|Renal Failure||Drug: calcium acetate Drug: aluminum hydroxide Drug: Sevelamer|
Drugs used will include three phosphate binders already approved and commonly used. Calcium acetate, aluminum hydroxide, and sevelamer (Renagel) will be given on separate occasions in conjunction with a high phosphorus meal. They will be given in standard doses used in the treatment of high phosphorus levels in hemodialysis patients.
The population targeted will included hemodialysis patients with elevated iPTH and phosphorus levels.
The patients will receive up to five separate meals. Four of these will be high phosphorus content meals and one will be a low phosphorus content meal. On up to three occasions with the high phosphorus content meals the patients will ingest one of the three phosphate binders. The meals will be ingested after a twelve-hour overnight fast. Labs will be drawn prior to meal ingestion and then at 15, 30, 60, 120 and 240-minute intervals. The labs will consist of iPTH, phosphorus, calcium, and glucose. A serum albumin level will be obtained with the initial specimen only. The patients will have an iPTH level of at least 200pg/ml and a serum phosphorus level of at least 4.0 mg/dl.
The primary outcome will be the change in the iPTH level in relation to the phosphorus content of the meals. Secondary outcomes will include the change in iPTH level in relation to the various phosphate binders being used.
|Study Type :||Interventional (Clinical Trial)|
|Intervention Model:||Single Group Assignment|
|Official Title:||Parathyroid Hormone Levels in Relation to the Phosphorus Content of Meals|
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00018135
|United States, Missouri|
|Washington University School of Medicine|
|St. Louis, Missouri, United States, 63110|