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Clinical Trial Summary

To evaluate the efficacy and safety of selected renal sympathetic denervation using SyMapCath I™ Catheter and SYMPIONEER S1™ Stimulator/Generator in patients with hypertension in the absence of antihypertensive medications, or till the negative result was given by urinary antihypertensive drugs detection of high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) after at least two weeks of drug elution period.

Then Office systolic blood pressure (SBP) is still ≥ 150mmHg, < 180mmHg, diastolic blood pressure (DBP) ≥ 90mmHg, and 24-hour mean SBP of ambulatory blood pressure measurement (ABPM) is ≥130mmHg, or day-time mean SBP ≥135mmHg, or night-time mean SBP ≥120mmHg, and all SBP of ABMP record <170mmHg.

After then the patient will be included when the results of bilateral renal angiography meet the requirements of renal nerve stimulation, mapping and denervation conditions.


Clinical Trial Description

This is a prospective, multicenter, blind, randomized and controlled trial, in which patients are of essential hypertension, but in the absence of antihypertensive medications. The patients will be informed, consent and get into a screening process. After at least two weeks of drug elution period HPLC-MS/MS urinary antihypertensive drugs detection will be given till the negative result, or one extra week of drug elution period will be given for the second urinary drugs analysis. Then Office systolic blood pressure (SBP) is still ≥ 150mmHg, < 180mmHg, diastolic blood pressure (DBP) ≥ 90mmHg, and 24-hour mean SBP of ambulatory blood pressure measurement (ABPM) is ≥130mmHg, or day-time mean SBP ≥135mmHg, or night-time mean SBP ≥120mmHg, and all SBP of ABMP record <170mmHg.

These patients will conduct renal angiography, and the meet inclusion criteria individuals will be allocated to either renal nerve stimulation, mapping and denervation group (RDN group) or renal artery angiography group (Sham group) by a randomizing system in a 1:1 ratio (80 patients, 40 pairs). Physicians who perform post-procedure patient management and physicians who perform renal denervation procedures are blinded to each other.

Patients will be followed at the 2nd day, the 7th day after the procedure or at discharge from hospital, 1st month, 2nd month, 3rd month. Urine samples will be collected for drug tests to determine drug compliance of a patient.

Data collecting/management/statistical analysis and laboratory tests will be performed by independent, qualified organizations. Independent Data Safety and Monitoring Board/Clinical Events Committee (DSMB/CEC) are formed and responsible for assessments of protocol deviations and natures of serious adverse events (SAEs). ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03885843
Study type Interventional
Source The Second Affiliated Hospital of Chongqing Medical University
Contact Yuehui Yin, MD
Phone 0086-13508335502
Email yinyh63@163.com
Status Not yet recruiting
Phase N/A
Start date June 1, 2019
Completion date April 1, 2020

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