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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00888433
Registration number
NCT00888433
Ethics application status
Date submitted
24/04/2009
Date registered
27/04/2009
Date last updated
20/05/2015
Titles & IDs
Public title
Renal Denervation in Patients With Uncontrolled Hypertension (Symplicity HTN-2)
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Scientific title
Renal Denervation in Patients With Uncontrolled Hypertension (Symplicity HTN-2)
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Secondary ID [1]
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TP-058
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Universal Trial Number (UTN)
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Trial acronym
HTN-2
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Uncontrolled Hypertension
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Condition category
Condition code
Cardiovascular
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Hypertension
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Devices - Renal Denervation (Symplicity® Renal Denervation System)
Experimental: Renal Denervation - Renal Denervation and maintenance of anti-hypertensive medications
No intervention: Control - Maintenance of anti-hypertensive medications with option for cross-over treatment after 6-months
Treatment: Devices: Renal Denervation (Symplicity® Renal Denervation System)
Catheter-based renal denervation
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Intervention code [1]
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Treatment: Devices
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Office Systolic Blood Pressure Reduction
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Assessment method [1]
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The primary effectiveness endpoint is change in Office Systolic Blood Pressure (SBP) from baseline to 6 months post-randomization.
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Timepoint [1]
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Baseline to 6 months
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Eligibility
Key inclusion criteria
* systolic blood pressure >=160mmHg (>=150 mmHg for type 2 diabetics);
* on 3 or more antihypertensive medications
* >= 18 and =< 85 years of age.
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Minimum age
18
Years
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Maximum age
85
Years
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* renal artery abnormalities
* eGFR < 45mL/min
* MI, angina, CVA within 6 months
* Type 1 diabetes
* ICD or pacemaker, or any other metallic implant not compatible with MRI
* others
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Crossover
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/06/2009
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
1/05/2015
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Sample size
Target
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Accrual to date
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Final
106
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Recruitment in Australia
Recruitment state(s)
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Recruitment hospital [1]
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Alfred Hospital - Melbourne
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Recruitment postcode(s) [1]
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- Melbourne
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Recruitment outside Australia
Country [1]
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Austria
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Vienna
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Belgium
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Brussels
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France
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Paris
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Germany
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Bad Krozingen
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Germany
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Cologne
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Germany
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Dusseldorf
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Germany
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Erlangen
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Germany
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Essen
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Germany
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Frankfurt
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Germany
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Homburg
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Germany
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Leipzig
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Germany
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Leubeck
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Latvia
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Riga
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Poland
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Warsaw
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Spain
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Madrid
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Switzerland
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Zurich
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United Kingdom
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Canterbury
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United Kingdom
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Glasgow
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Country [19]
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United Kingdom
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State/province [19]
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London
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Medtronic Vascular
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
An international, multi-center, prospective, randomized, controlled study of the safety and effectiveness of renal denervation in patients with uncontrolled hypertension.
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Trial website
https://clinicaltrials.gov/study/NCT00888433
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Trial related presentations / publications
Symplicity HTN-2 Investigators; Esler MD, Krum H, Sobotka PA, Schlaich MP, Schmieder RE, Bohm M. Renal sympathetic denervation in patients with treatment-resistant hypertension (The Symplicity HTN-2 Trial): a randomised controlled trial. Lancet. 2010 Dec 4;376(9756):1903-9. doi: 10.1016/S0140-6736(10)62039-9. Epub 2010 Nov 17. Eikelis N, Hering D, Marusic P, Duval J, Hammond LJ, Walton AS, Lambert EA, Esler MD, Lambert GW, Schlaich MP. The Effect of Renal Denervation on Plasma Adipokine Profile in Patients with Treatment Resistant Hypertension. Front Physiol. 2017 May 30;8:369. doi: 10.3389/fphys.2017.00369. eCollection 2017. Schmieder RE, Ott C, Schmid A, Friedrich S, Kistner I, Ditting T, Veelken R, Uder M, Toennes SW. Adherence to Antihypertensive Medication in Treatment-Resistant Hypertension Undergoing Renal Denervation. J Am Heart Assoc. 2016 Feb 12;5(2):e002343. doi: 10.1161/JAHA.115.002343. Esler MD, Bohm M, Sievert H, Rump CL, Schmieder RE, Krum H, Mahfoud F, Schlaich MP. Catheter-based renal denervation for treatment of patients with treatment-resistant hypertension: 36 month results from the SYMPLICITY HTN-2 randomized clinical trial. Eur Heart J. 2014 Jul;35(26):1752-9. doi: 10.1093/eurheartj/ehu209. Epub 2014 Jun 4. Mahfoud F, Ukena C, Schmieder RE, Cremers B, Rump LC, Vonend O, Weil J, Schmidt M, Hoppe UC, Zeller T, Bauer A, Ott C, Blessing E, Sobotka PA, Krum H, Schlaich M, Esler M, Bohm M. Ambulatory blood pressure changes after renal sympathetic denervation in patients with resistant hypertension. Circulation. 2013 Jul 9;128(2):132-40. doi: 10.1161/CIRCULATIONAHA.112.000949. Epub 2013 Jun 18. Erratum In: Circulation. 2014 May 20;129(20):e502. Esler MD, Krum H, Schlaich M, Schmieder RE, Bohm M, Sobotka PA; Symplicity HTN-2 Investigators. Renal sympathetic denervation for treatment of drug-resistant hypertension: one-year results from the Symplicity HTN-2 randomized, controlled trial. Circulation. 2012 Dec 18;126(25):2976-82. doi: 10.1161/CIRCULATIONAHA.112.130880. Ukena C, Mahfoud F, Kindermann I, Barth C, Lenski M, Kindermann M, Brandt MC, Hoppe UC, Krum H, Esler M, Sobotka PA, Bohm M. Cardiorespiratory response to exercise after renal sympathetic denervation in patients with resistant hypertension. J Am Coll Cardiol. 2011 Sep 6;58(11):1176-82. doi: 10.1016/j.jacc.2011.05.036. Mahfoud F, Schlaich M, Kindermann I, Ukena C, Cremers B, Brandt MC, Hoppe UC, Vonend O, Rump LC, Sobotka PA, Krum H, Esler M, Bohm M. Effect of renal sympathetic denervation on glucose metabolism in patients with resistant hypertension: a pilot study. Circulation. 2011 May 10;123(18):1940-6. doi: 10.1161/CIRCULATIONAHA.110.991869. Epub 2011 Apr 25. Schlaich MP, Straznicky N, Grima M, Ika-Sari C, Dawood T, Mahfoud F, Lambert E, Chopra R, Socratous F, Hennebry S, Eikelis N, Bohm M, Krum H, Lambert G, Esler MD, Sobotka PA. Renal denervation: a potential new treatment modality for polycystic ovary syndrome? J Hypertens. 2011 May;29(5):991-6. doi: 10.1097/HJH.0b013e328344db3a.
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Public notes
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Contacts
Principal investigator
Name
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Murray Esler, MBBS
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Address
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The Baker IDI Heart & Diabetes Institute
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Contact person for public queries
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Type
Citations or Other Details
Journal
Symplicity HTN-2 Investigators; Esler MD, Krum H, ...
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More Details
]
Results are available at
https://clinicaltrials.gov/study/NCT00888433
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