HypertensionRandomised controlled trial

Efficacy and Safety of Catheter-Based Radiofrequency Renal Denervation in Chinese Patients With Uncontrolled Hypertension: The Randomized, Sham-Controlled, Multi-Center Iberis-HTN Trial

CirculationPublished

  • Randomised controlled trial
  • prospective
  • multicentre
  • patient- and outcome-assessor-blinded
  • sham-controlled

Authors' conclusion

In this trial of Chinese patients with uncontrolled hypertension on a standardized triple pharmacotherapy, RDN was safe and reduced ambulatory and office BP at 6 months compared with sham.

Study context

Population
Chinese patients with uncontrolled hypertension on standardized triple antihypertensive therapy
Participants
217 patients
Comparison
Radiofrequency renal denervation (RDN) vs sham procedure
  • RDNn = 107
  • Shamn = 110reference
Primary endpoint
Between-group difference in baseline-adjusted change in mean 24-hour ambulatory SBP
Follow-up
6 months

Primary result

24-hour ambulatory SBP change

Baseline-adjusted between-group difference

−9.4 mm Hg

95% CI −12.8 to −5.9

P < 0.001

By group

RDN

−13.0

± 12.1 · mm Hg

Sham

−3.0

± 13.0 · mm Hg

RDN vs Sham
baseline-adjusted between-group difference −9.4 mm Hg (95% CI −12.8 to −5.9); P < 0.001

As reported in the abstract

Further findings

Outcomedifference (mm Hg) (95% CI)P value
24-hour DBP · 6 months−5.0 (−7.5 to −2.4)P < 0.001
Office SBP−6.4 (−10.5 to −2.3)P = 0.003
Office DBP−5.1 (−8.2 to −2.0)P = 0.001

Safety

OutcomeRDNSham
Access site complication (hematoma) · through follow-up1 eventsNot reported in the abstract

Access site complication (hematoma) · through follow-up

Resolved without sequelae; no other major device- or procedure-related safety events

Original publication

Efficacy and Safety of Catheter-Based Radiofrequency Renal Denervation in Chinese Patients With Uncontrolled Hypertension: The Randomized, Sham-Controlled, Multi-Center Iberis-HTN Trial. Circulation. Published 4 September 2024. doi:10.1161/circulationaha.124.069215

Summarised from the published abstract; every number is checked against it