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Completed

NCT Number: NCT01996033

EnligHTN German Observational Study of Renal Denervation for Uncontrolled Hypertension

The purpose of this observational study is to further evaluate the safety and performance of the EnligHTN™ Renal Denervation System in the treatment of patients with uncontrolled hypertension in clinical routine practice.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Kliniken Villingen-Schwenningen, Villingen-Schwenningen, Baden-Wurttemberg, Germany

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About this study

This is a post market, multi-center, open label, observational study. Approximately 500 subjects with uncontrolled hypertension will undergo renal artery ablation at approximately 40 investigational sites located in Germany and will be followed for 1 year post procedure.The expected duration of the investigation will be approximately 4 years.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Subject is planned to undergo a renal denervation procedure for the treatment of hypertension
  • Subject is ≥18 years of age at time of consent
  • Subject must be able and willing to provide written informed consent
  • Subject must be able and willing to comply with the required follow-up schedule
  • Subject has office Systolic Blood Pressure (SBP) ≥ 140 mmHg
  • Subject has established hypertension (diagnosed ≥12 months prior to baseline) and is on a guideline based drug regimen at a stable (≥ 14 days) and a fully tolerated dose consisting of ≥3 anti-hypertensive medications (including 1 diuretic), or subject has documented drug intolerance to 2 or more of the 4 major classes of anti-hypertensives (ACE-I/ Angiotensin Receptor Blocker (ARB), Calcium Channel Blockers, Beta Blockers, or diuretic) and is unable to take 3 anti-hypertensive drugs

Exclusion criteria

  • Subject has known significant renovascular abnormalities such as renal artery stenosis > 30%
  • Subject has undergone prior renal angioplasty, renal denervation, indwelling renal stents, and/or abdominal aortic stent grafts
  • Subject has a history of hemodynamically significant valvular heart disease
  • Subject has blood clotting abnormalities
  • Subject life expectancy is < 12 months, as determined by the Study Investigator
  • Subject is participating in another clinical study which has the potential

Treatment and study plan

Primary outcomes

  1. Mean Reduction in Office Systolic Blood Pressure at 6 Months

    Time frame: 6 months

    Positive number indicates a reduction (improvement) in blood pressure

Other outcomes

  1. Reduction in Office Diastolic Blood Pressure

    Time frame: 6 Months

    Positive number indicates a reduction (improvement) in blood pressure

  2. Reduction in Office Diastolic Blood Pressure

    Time frame: 12 Months

    Positive number indicates a reduction (improvement) in blood pressure

  3. Reduction in Office Systolic Blood Pressure

    Time frame: 12 Months

    Positive number indicates a reduction (improvement) in blood pressure

  4. Reduction in 24 Hour Ambulatory Systolic Blood Pressure

    Time frame: 12 Months

    Positive number indicates a reduction (improvement) in blood pressure

  5. Reduction in 24 Hour Ambulatory Diastolic Blood Pressure

    Time frame: 12 Months

    Positive number indicates a reduction (improvement) in blood pressure

  6. Proportion of Subjects Achieving <140mmHg Office Systolic Blood Pressure

    Time frame: 1 Month

    Positive number indicates a reduction (improvement) in blood pressure

  7. Proportion of Subjects Achieving <140mmHg Office Systolic Blood Pressure

    Time frame: 6 Months

    Positive number indicates a reduction (improvement) in blood pressure

  8. Proportion of Subjects Achieving <140mmHg Office Systolic Blood Pressure

    Time frame: 12 Months

    Positive number indicates a reduction (improvement) in blood pressure

  9. Change in Estimated Glomerular Filtration Rate (eGFR)

    Time frame: 12 Months

    Change from baseline in eGFR

Sponsors and collaborators

Lead sponsor

Abbott Medical Devices

Industry

Registry information

Official study title

This is a Post Market, Multi-center, Open Label, Observational Study. Approximately 500 Subjects With Uncontrolled Hypertension Will Undergo Renal Artery Ablation

Important dates

Study start
2013
Primary completion
2017
Study completion
2017
First posted
Nov 27, 2013
Registry last updated
Feb 4, 2019

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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