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Efficacy and Safety of High Intensity Focused Ultrasound (HIFU) Device to Treat Secondary Hyperparathyroidism

End Stage Renal Disease Clinical Trial

Official title:
Efficacy and Safety of High Intensity Focused Ultrasound (HIFU) Device to Treat Uncontrolled Secondary Hyperparathyroidism in Chronic Haemodialysis Patients

Clinical Trial Summary

Secondary hyperparathyroidism (sHPT) is common in patients with chronic kidney disease (CKD), including those who are undergoing long-term haemodialysis treatment. sHPT is characterized by persistently elevated levels of parathyroid hormone (PTH) and major disturbances in phosphorus and calcium metabolism. When glomerular filtration rate (GFR) falls, the phosphorus clearance decreases significantly, leading to phosphorus retention. The resulting hyperphosphatemia is thought to be one of the principal causes of secondary hyperparathyroidism which is a very early complication of patients with CKD. Its diagnosis and treatment is crucial in the management of such patients.The treatment of the sHPT of CKD's patient includes dietary phosphate restriction, the use of phosphate binders, correction of hypocalcaemia, the use of vitamin D and its derivatives. The calcimimetic agent cinacalcet hydrochloride may be also used in combination with vitamin D. While the majority of patients can be controlled in this way, medical therapy is not always successful in achieving adequate control of secondary hyperparathyroidism. Oral medications (calcimimetics, recently developed phosphate binders, and active vitamin D derivatives amount to very high monthly costs, and have efficacy limitations as well as side-effects.

HIFU may become a valuable alternative treatment that help control secondary hyperparathyroidism in selected patients presenting with enlarged parathyroid gland(s) visible at ultrasonography,.

The aim of this study is to evaluate the efficacy and safety of HIFU treatment in chronic haemodialysis patients with secondary hyperparathyroidism presenting with enlarged parathyroid gland(s) which are visible at ultrasonography and for whom medical therapy has been unsuccessful.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01421407
Study type Interventional
Source Theraclion
Contact
Status Withdrawn
Phase N/A
Start date August 2011
Completion date January 2014
View Details
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