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Updated: Mar 20, 2026

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion
Published on: May 26, 2022
Renal Denervation: a Field in Flux
Luke J Laffin1, George L Bakris2
1ASH Comprehensive Hypertension Center, Department of Medicine, The University of Chicago Medicine, 5841 S. Maryland Ave., MC 1027, Chicago, IL, 60637, USA.
Renal denervation for resistant hypertension faced setbacks with SYMPLICITY HTN-3. Newer, precise techniques are now being evaluated in ongoing trials for improved efficacy and safety.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
Background:
- The SYMPLICITY HTN-3 trial raised questions about renal denervation's effectiveness for resistant hypertension.
- Previous unblinded studies lacked credibility due to sham-controlled trial outcomes.
Purpose of the Study:
- To re-evaluate the renal denervation procedure, emphasizing the need for a more precise approach.
- To assess the efficacy and safety of a new, precise renal denervation technique in ongoing clinical trials.
Main Methods:
- Implementation of a refined renal denervation procedure in current clinical trials.
- Evaluation of the new procedure's effectiveness in patients both on and off medication.
- Discussion of novel findings post-SYMPLICITY HTN-3 in the context of historical data.
Main Results:
- Negative results from the first sham-controlled trial (SYMPLICITY HTN-3) questioned the procedure's utility.
- Emerging data from ongoing trials are exploring refined techniques for renal denervation.
- Focus on advancements and findings published after early 2014.
Conclusions:
- A more precise renal denervation approach is crucial for effective treatment of resistant hypertension.
- Ongoing trials are investigating the safety and efficacy of improved renal denervation techniques.
- The future of renal denervation for primary hypertension relies on these refined procedural advancements.
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