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Renal Sympathetic Denervation in Mild Refractory Hypertension

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ClinicalTrials.gov Identifier: NCT01656096
Recruitment Status : Completed
First Posted : August 2, 2012
Last Update Posted : October 28, 2016
Sponsor:
Information provided by (Responsible Party):
Steffen Desch, MD, University of Leipzig

Brief Summary:
The purpose of this study is to examine the benefit of renal sympathetic denervation in patients with mild refractory hypertension

Condition or disease Intervention/treatment Phase
Refractory Hypertension Device: Renal sympathetic denervation (Symplicity ablation catheter, Medtronic Inc. Minneapolis, Minnesota, USA) Other: Sham procedure Phase 4

Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 71 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single (Participant)
Primary Purpose: Treatment
Official Title: Renal Sympathetic Denervation in Patients With Mild Refractory Hypertension
Study Start Date : July 2012
Actual Primary Completion Date : July 2014
Actual Study Completion Date : July 2014

Arm Intervention/treatment
Experimental: Renal sympathetic denervation
Renal sympathetic denervation (Symplicity ablation catheter, Medtronic Inc. Minneapolis, Minnesota, USA)
Device: Renal sympathetic denervation (Symplicity ablation catheter, Medtronic Inc. Minneapolis, Minnesota, USA)
Sham Comparator: Sham procedure
Sham procedure mimicking the renal sympathetic denervation procedure in the experimental arm
Other: Sham procedure



Primary Outcome Measures :
  1. Change in systolic blood pressure (ABPM mean value) [ Time Frame: 6 months ]


Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 75 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Refractory hypertension: 3 or more antihypertensive agents of different classes (including a diuretic) at optimal dosage without change in the 4 weeks preceding randomization
  • Systolic blood pressure of 135-149 and/or diastolic blood pressure of 90-94 mmHg (ABPM mean daytime values)
  • No change in blood pressure medication within 6 months after randomization
  • Age 18 to 75 years
  • Informed consent

Exclusion Criteria:

  • Blood pressure outside range mentioned above
  • Renal, aortic or pelvic anatomy unsuited for renal sympathetic denervation
  • Estimated glomerular filtration rate <45 mL/min/1.73 m² (modification of diet in renal disease formula)
  • Unstable angina pectoris
  • Myocardial infarction within 6 months prior to randomization
  • Planned surgery or cardiovascular intervention within 6 months after randomization
  • Severe heart valve disease
  • Severe comorbidities with limited life expectancy
  • Pregnancy
  • Participation in another trial

Information from the National Library of Medicine

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): NCT01656096


Locations
Germany
University of Leipzig Heart Center
Leipzig, Germany, 04289
Sponsors and Collaborators
University of Leipzig
Investigators
Principal Investigator: Steffen Desch, MD Heartcenter Leipzig GmbH

Additional Information:
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: Steffen Desch, MD, Principal Investigator, University of Leipzig
ClinicalTrials.gov Identifier: NCT01656096     History of Changes
Other Study ID Numbers: RSD-Leipzig
First Posted: August 2, 2012    Key Record Dates
Last Update Posted: October 28, 2016
Last Verified: October 2016

Additional relevant MeSH terms:
Hypertension
Vascular Diseases
Cardiovascular Diseases