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Completed

NCT Number: NCT02006758

Observational Study of the EnligHTN Renal Denervation System in Europe

The purpose of this observational study is to further evaluate the safety and performance of the EnligHTN™ Renal Denervation System in the treatment of participants 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

Hôpital Civil Marie Curie, Lodelinsart, Hainaut, Belgium

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About this study

The EnligHTN European Observational study is designed to collect more data, critical to the benefit of the therapy, within a clinical routine setting.

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 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)

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 to impact his/her hypertension management (pharmaceutical/ device/ homeopathic)
  • Subject is pregnant, nursing, or of childbearing potential and is not using adequate contraceptive methods
  • Subject has active systemic infection
  • Subject has known renal arteries with diameter(s) < 4 mm
  • Subject has an estimated GFR <45 mL/min per 1.73 m2 using the Modification of Diet in Renal Disease (MDRD) formula
  • Subject had a renal transplant or is awaiting a renal transplant

Treatment and study plan

EnligHTN™ Renal Denervation System

Device

The EnligHTN™ Renal Denervation System is designed to deliver radiofrequency (RF) energy to the renal nerves to achieve targeted denervation. The system consists of the EnligHTN™ RF Ablation Generator (generator), the EnligHTN™ Renal Artery Ablation Catheter (ablation catheter), and the EnligHTN™ Guiding Catheter (optional).

Primary outcomes

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

    Time frame: Baseline and 6 months

Secondary outcomes

  1. Assessment of Peri-procedural Adverse Events up Until 30 Days Post Procedure

    Time frame: 30 days

  2. Mean Change in Office Systolic Blood Pressure at 1 Month

    Time frame: Baseline and 1 month

  3. Mean Change in Office Diastolic Blood Pressure at 1 Month

    Time frame: Baseline and 1 month

  4. Mean Change in Ambulatory Systolic Blood Pressure at 1 Month

    Time frame: Baseline and 1 month

  5. Mean Change in Ambulatory Diastolic Blood Pressure at 1 Month

    Time frame: Baseline and 1 month

  6. Percentage of Subjects Achieving Office Systolic Blood Pressure < 140 mmHg at 1 Month

    Time frame: 1 month

  7. Renal Function Change Based on eGFR (Estimated Glomerular Filtration Rate) at 6 Months

    Time frame: Baseline and 6 months

  8. Renal Function Change Based on eGFR (Estimated Glomerular Filtration Rate) at 12 Months

    Time frame: Baseline and 12 months

  9. Renovascular Safety at 6 Months (Renal Artery Stenosis)

    Time frame: 6 months

    Assessment of renovascular safety as measured by new renal artery stenosis or aneurysm at the site of ablation.

  10. Mean Change in Office Systolic Blood Pressure at 12 Months

    Time frame: Baseline and 12 months

  11. Mean Change in Office Diastolic Blood Pressure at 6 Months

    Time frame: Baseline and 6 months

  12. Mean Change in Office Diastolic Blood Pressure at 12 Months

    Time frame: Baseline and 12 months

  13. Mean Change in Ambulatory Systolic Blood Pressure at 6 Months

    Time frame: Baseline and 6 months

  14. Mean Change in Ambulatory Systolic Blood Pressure at 12 Months

    Time frame: Baseline and 12 months

  15. Mean Change in Ambulatory Diastolic Blood Pressure at 6 Months

    Time frame: Baseline and 6 months

  16. Mean Change in Ambulatory Diastolic Blood Pressure at 12 Months

    Time frame: Baseline and 12 months

  17. Percentage of Participants Achieving Office Systolic Blood Pressure < 140 mmHg at 6 Months

    Time frame: 6 months

  18. Percentage of Participants Achieving Office Systolic Blood Pressure < 140 mmHg at 12 Months

    Time frame: 12 months

Sponsors and collaborators

Lead sponsor

Abbott Medical Devices

Industry

Registry information

Official study title

EnligHTN European Observational Study

Important dates

Study start
2013
Primary completion
2017
Study completion
2017
First posted
Dec 10, 2013
Registry last updated
Oct 16, 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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