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Renal Denervation With Sterile Irrigated Deflectable Ablation Catheter Used in Renal Artery in Primary Hypertension

Not Applicable
Conditions
Primary Hypertension
Interventions
Diagnostic Test: Renal angiography
Device: Renal denervation
Registration Number
NCT03511313
Lead Sponsor
Synaptic Medical Corporation
Brief Summary

The purpose of this study is to assess the safety and efficacy of renal denervation with sterile irrigated deflectable ablation catheter used in renal artery in primary hypertension in China.

Detailed Description

Not available

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
264
Inclusion Criteria
  • Individual is ≥18 years and ≤65 years old.
  • Primary hypertension.
  • Screen criteria: Individual who received a stable anti-hypertensive medication regimen including 2 or more anti-hypertensive medications of different classes prior to screening, and at the initial screening visit, he has an office systolic blood pressure(SBP)≥ 150mmHg, and ≤180mmHg, is entering the screening period after writing the informed consent. Individual is receiving a 4week standard dose of amlodipine besylate (Norvasc) and Losartan Potassium and Hydrochlorothiazide tablets (HYZAAR®), and has a SBP≥150mmHg and<180mmHg at the second week after screening, and has an Ambulatory 24-hour daytime average systolic blood pressure monitoring ≥140mmHg and <170mmHg at the fourth week after screening.
Exclusion Criteria
  • Secondary hypertension.
  • History of prior renal artery intervention including balloon angioplasty or stenting.
  • Renal artery stenosis (≥50%) in either renal artery.
  • Main renal arteries with <4mm, or >8mm in diameter.
  • Main renal arteries with <20mm in length.
  • Estimated glomerular filtration rate (eGFR) of <40 ml/(min•1.73m2).
  • History of Stroke or TIA within 6 months prior to screening period.
  • History of Acute coronary syndrome within 6 months prior to screening period.
  • Structural heart disease without receiving effective treatment; Coronary heart disease with β blockers; severe peripheral artery disease that affecting blood pressure measurement and other unqualified conditions evaluated by investigator.
  • Heart failure (NYHA classification Ⅲ-Ⅳ).
  • Coagulation disorders associated with significant bleeding tendency, and history of other blood system diseases.
  • History of cancer.
  • Type 1 diabetes mellitus; Type 2 diabetes mellitus with target organ injuring.
  • Acute or severe systemic inflammatory response syndrome.
  • Any other serious medical condition unqualified to participate in this study evaluated by investigator.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Renal angiographyRenal angiographyRenal angiography and maintaining anti-hypertensive medications
Renal denervationRenal angiographyRenal angiography and renal denervation (with sterile irrigated deflectable ablation catheter in renal artery), and maintaining anti-hypertensive medications
Renal denervationRenal denervationRenal angiography and renal denervation (with sterile irrigated deflectable ablation catheter in renal artery), and maintaining anti-hypertensive medications
Primary Outcome Measures
NameTimeMethod
Change in daytime average systolic blood pressure as measured by 24-hour Ambulatory Blood Pressure Monitoringfrom baseline to 3 months post-procedure

Primary effective outcome measure

Secondary Outcome Measures
NameTimeMethod
Change in office systolic blood pressurefrom baseline to 3 months post-procedure

Secondary effective outcome measure

Incidence of achieving target office systolic blood pressure (office SBP<140mmHg)from 3 months post-procedure to 6 months post-procedure

Secondary effective outcome measure

Classes of anti-hypertensive medicine taken by participants6 months post-procedure

Secondary effective outcome measure

Trial Locations

Locations (1)

Peking University First Hospital

🇨🇳

Beijing, Beijing, China

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