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Spots Global Cancer Trial Database for The Efficacy and Safety of Microwave Ablation for Mild-to-moderate Secondary Hyperparathyroidism Patients Undergoing Hemodialysis

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Trial Identification

Brief Title: The Efficacy and Safety of Microwave Ablation for Mild-to-moderate Secondary Hyperparathyroidism Patients Undergoing Hemodialysis

Official Title: The Efficacy and Safety of Microwave Ablation for Mild-to-moderate Secondary Hyperparathyroidism Patients Undergoing Hemodialysis

Study ID: NCT02332135

Study Description

Brief Summary: Microwave ablation, as a new method to therapy secondary hyperparathyroidism(SHPT), now is developing rapidly. However, it is still unknown whether it is effective to accept microwave ablation for hemodialysis patients with mild-to-moderate SHPT. In this prospective, randomised control and paried clinical trial study, the investigators will observe the efficiency and safety of microwave ablation in hemodialysis patients with mild-to-moderate secondary hyperparathyroidism. The patients in age-matched control group will accept active Vitamin D therapy.

Detailed Description: Secondary hyperparathyroidism(SHPT) is common in hemodialysis(HD) patients. SHPT can damage cardiovascular system , bone system, and so forth. The treatment of SHPT of HD patients includes dietary phosphate restriction, the use of medicines, parathyroidectomy, and microwave ablation, which is a new method booming over the past decade. However, In the mainland of China, medical therapy is not always successful in achieving adequate control of SHPT. Oral medications have limitations as well as side effects. The patients may suffer from the injury of operation, hypoparathyroidism, or recurrence of hyperparathyroidism after parathyroidectomy. Moreover, the fear of operation for patients also limits its development. Thus, microwave ablation may become a valuable alternative treatment to help control SHPT in selected patients presenting with enlarged parathyroid gland(s) visible at ultrasonography. Nevertheless, nowadays there isn't a guideline for doctors to choose when to use microwave ablation to therapy SHPT. Furthermore, different experts have different views. Experts in Japan consider that, for SHPT , the earlier one takes microwave ablation, the better he may be, while others think, Just as parathyroidectomy, microwave ablation is merely used for the patient whose intact parathyroid hormone (iPTH) is more than 800pg/ml, or who has serious symptom. From their perspective, this is no proof that accepting microwave ablation for SHPT in early stage becomes better. However, as we all know, as the disease progresses, the therapy becomes increasingly difficult. Since microwave ablation is minimally invasive, safe,the investigators consider, patients who have parathyroid nodular or diffuse hyperplasia demonstrated on ultrasound imaging or radioisotope scan would get more benefit if they undergo microwave ablation the instant that SHPT is diagnosed. So, In this prospective, randomised control and paried clinical trial study, the investigators will observe the efficiency and safety of microwave ablation in hemodialysis patients with secondary hyperparathyroidism in early stage. First, the investigators detect the iPTH levels of all the patients in the investigators' blood purification center. The patients whose iPTH are between 300pg/ml and 800pg/ml and who have parathyroid nodular or diffuse hyperplasia demonstrated on ultrasound imaging or radioisotope scan are chosen to involve in this study. The patients with age-matched and iPTH between 300pg/ml and 800pg/ml were enrolled in this study. In the control group, patients will accept vitamin D to treat SHPT, according to the suggestions in K/DOQI guidelines. Meanwhile, in the microwave ablation group, patients will accept microwave ablation. Then, all of the patients will be followed for 24 months to compare the rate of achieving the target on iPTH level according to K/DOQI guidelines, the change of iPTH level after MWA,the rate of subjects developed into severe SHPT, as well as calcium and phosphorus level, Quality of Life and mortality in each group.

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Beijing Friedship Hospital, Beijing, Beijing, China

Contact Details

Name: Wenhu Liu, doctor

Affiliation: Beijing Friendship Hospital

Role: STUDY_CHAIR

Name: Zongli Diao, master

Affiliation: Beijing Friendship Hospital

Role: STUDY_DIRECTOR

Name: Linxue Qian, doctor

Affiliation: Beijing Friendship Hospital

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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