First report of the global SYMPLICITY registry on the effect of renal artery denervation in patients with uncontrolled hypertension

Michael Böhm, Felix Mahfoud, Christian Ukena, Uta C. Hoppe, Krzysztof Narkiewicz, Manuela Negoita, Luis Ruilope, Markus P. Schlaich, Roland E. Schmieder, Robert Whitbourn, Bryan Williams, Uwe Zeymer, Andreas Zirlik, Giuseppe Mancia

Research output: Contribution to journalArticlepeer-review

Abstract

This study aimed to assess the safety and effectiveness of renal denervation using the Symplicity system in real-world patients with uncontrolled hypertension (NCT01534299). The Global SYMPLICITY Registry is a prospective, open-label, multicenter registry. Office and 24-hour ambulatory blood pressures (BPs) were measured. Change from baseline to 6 months was analyzed for all patients and for subgroups based on baseline office systolic BP, diabetic status, and renal function; a cohort with severe hypertension (office systolic pressure, ≥160 mm Hg; 24-hour systolic pressure, ≥135 mm Hg; and ≥3 antihypertensive medication classes) was also included. The analysis included protocol-defined safety events. Six-month outcomes for 998 patients, including 323 in the severe hypertension cohort, are reported. Mean baseline office systolic BP was 163.5±24.0 mm Hg for all patients and 179.3±16.5 mm Hg for the severe cohort; the corresponding baseline 24-hour mean systolic BPs were 151.5±17.0 and 159.0±15.6 mm Hg. At 6 months, the changes in office and 24-hour systolic BPs were -11.6±25.3 and -6.6±18.0 mm Hg for all patients (P70% and 5 cases of hospitalization for a hypertensive emergency. In clinical practice, renal denervation resulted in significant reductions in office and 24-hour BPs with a favorable safety profile. Greater BP-lowering effects occurred in patients with higher baseline pressures. Clinical Trial Registration - URL: www.clinicaltrials.gov. Unique identifier: NCT01534299.

Original languageEnglish
Pages (from-to)766-774
Number of pages9
JournalHypertension
Volume65
Issue number4
DOIs
Publication statusPublished - Apr 20 2015

Keywords

  • denervation
  • hypertension
  • sympathetic nervous system

ASJC Scopus subject areas

  • Internal Medicine
  • Medicine(all)

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