Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 29, 2026, 8:44 AM EDT

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Showing 1–10 of 10 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Hypertension
Interventions
Renal Denervation
Device
Lead sponsor
Medtronic Vascular
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
3
States / cities
Springfield, Illinois • Minneapolis, Minnesota • Cleveland, Ohio
Conditions
Hypertension, Vascular Diseases, Cardiovascular Diseases
Interventions
Symplicity Spyral™ multi-electrode renal denervation system, Sham Procedure
Device · Procedure
Lead sponsor
Medtronic Vascular
Industry
Eligibility
20 Years to 80 Years
Enrollment
337 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
32
States / cities
Huntsville, Alabama • Stanford, California • New Haven, Connecticut + 26 more
Conditions
Atrial Fibrillation, Hypertension
Interventions
Symplicity Spyral™ Multi-Electrode Renal Denervation Catheter, Arctic Front Advance™ Cardiac Cryoablation System
Device
Lead sponsor
Medtronic Vascular
Industry
Eligibility
18 Years to 80 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
9
States / cities
Sacramento, California • Burlington, Massachusetts • Marquette, Michigan + 5 more
Conditions
Hypertension, Vascular Diseases, Cardiovascular Diseases, Chronic Kidney Diseases, Diabetes Mellitus
Interventions
Renal Denervation (Symplicity Spyral™)
Device
Lead sponsor
Medtronic Vascular
Industry
Eligibility
18 Years and older
Enrollment
1,899 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
76
States / cities
Birmingham, Alabama • Mesa, Arizona • Phoenix, Arizona + 67 more
Completed Not applicable Interventional Results available

SPYRAL DYSTAL Renal Denervation Global Clinical Study

NCT04311086
Conditions
Hypertension, Vascular Diseases, Cardiovascular Diseases
Interventions
Renal Denervation (Symplicity Spyral™)
Device
Lead sponsor
Medtronic Vascular
Industry
Eligibility
20 Years to 80 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
3
States / cities
Stanford, California • Atlanta, Georgia • Dallas, Texas
Completed Not applicable Interventional Results available

SPYRAL PIVOTAL - SPYRAL HTN-OFF MED Study

NCT02439749
Conditions
Hypertension, Vascular Diseases, Cardiovascular Diseases
Interventions
Symplicity Spyral™ multi-electrode renal denervation system, Sham Procedure
Device · Procedure
Lead sponsor
Medtronic Vascular
Industry
Eligibility
20 Years to 80 Years
Enrollment
366 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
30
States / cities
Huntsville, Alabama • Scottsdale, Arizona • Los Angeles, California + 26 more
Conditions
Hypertension, Cardiovascular Diseases, Vascular Diseases
Interventions
Renal Denervation (Symplicity Spyral™)
Device
Lead sponsor
Medtronic Vascular
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Heart Failure
Interventions
Symplicity Renal Denervation
Device
Lead sponsor
Adrian Hernandez
Other
Eligibility
21 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
12
States / cities
Atlanta, Georgia • Boston, Massachusetts • Rochester, Minnesota + 5 more
Conditions
Hypertension, Vascular Diseases, Cardiovascular Diseases
Interventions
Renal Denervation using the Symplicity Renal Denervation System, Sham Renal Denervation, Renal Angiography
Device · Other
Lead sponsor
Medtronic Vascular
Industry
Eligibility
18 Years to 80 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
3
States / cities
Atlanta, Georgia • Durham, North Carolina • Charleston, South Carolina
Conditions
Uncontrolled Hypertension
Interventions
Renal denervation (Symplicity Catheter System), Renal angiogram
Device · Diagnostic Test
Lead sponsor
Medtronic Vascular
Industry
Eligibility
18 Years to 80 Years
Enrollment
535 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
79
States / cities
Birmingham, Alabama • La Jolla, California • Los Angeles, California + 61 more