Renal Denervation (Symplicity Spyral™) clinical trials

SPYRAL AFFIRM Global Study of RDN With the Symplicity Spyral RDN System in Subjects With Uncontrolled HTN

This study looks at a treatment called renal denervation (RDN) for high blood pressure. It uses a device called Symplicity Spyral to see how well it works and if it's safe in the long term, especially for people whose blood pressure is hard to control.