A Multicenter Study to Evaluate the ROX Arteriovenous Coupler in Patients With Treatment-Resistant Hypertension
ROX CONTROL HTN Study: A Prospective, Randomized, Open-Label, Multicenter Study to Evaluate the ROX Coupler in Patients With Resistant Hypertension
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Anticipated)
Enrollment
Phase
Phase
- Phase 3
Contacts and Locations
Study Locations
-
-
-
Antwerpen, Belgium, 1090
- ZNA - Cardio Middleheim
-
Brussels, Belgium, 1090
- Universitair Ziekenhuis Brussel
-
-
-
-
-
Berlin, Germany, 12203
- Universitätsmedizin Berlin - Campus Benjamin Franklin
-
Erlangen, Germany, D-91054
- Universitätsklinikum Erlangen
-
Marburg, Germany, 35033
- Hypertoniezentrum Marburg
-
-
-
-
-
Athens, Greece, 115 27
- Hippokration General Hospital of Athens
-
Athens, Greece, 115 27
- G. Gennimatas General Hospital of Athens
-
-
-
-
-
Dublin, Ireland, 9
- Beaumont Hospital
-
-
Dublin
-
Blanchardstown, Dublin, Ireland, 15
- Connolly Hospital
-
-
-
-
-
Nieuwegein, Netherlands, 3435CM
- St. Antonius Ziekenhuis
-
-
-
-
-
Krakow, Poland, 31 501
- Jagiellonian University Collegium Medicum
-
Warsaw, Poland, 04 628
- Institute of Cardiology - Warsaw
-
-
-
-
-
Leicester, United Kingdom, LE3 9QP
- University Hospitals of Leicester - Glenfield Hospital
-
-
England
-
Eastbourne, England, United Kingdom, BN21 2UD
- Eastbourne District General Hospital
-
London, England, United Kingdom, EC1M 6BQ
- Queen Mary University of London
-
London, England, United Kingdom, SW3 6NP
- Royal Bromptom
-
-
Surrey England
-
Carshalton, Surrey England, United Kingdom, SM5 1AA
- St. Helier Hospital
-
-
Wales
-
Cardiff, Wales, United Kingdom, CF 14 4XW
- University Hospital of Wales
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Diagnosis of treatment-resistant hypertension must be made on the basis of current findings, medical history, and physical examination
Exclusion Criteria:
- Any serious medical condition that may adversely affect the patient's safety, limit the subject's ability to participate in the study, comply with follow-up requirements or impact the scientific integrity of the study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: CROSSOVER
- Masking: NONE
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
EXPERIMENTAL: Group A
ROX Coupler + continuing standard antihypertensive medications
|
The COUPLER will be used to create an arteriovenous fistula in the iliac region (between the iliac artery and vein).
|
|
NO_INTERVENTION: Group B
Continuing standard antihypertensive medications
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Change in mean office SBP
Time Frame: Baseline, 6 months
|
Change in mean office SBP at six months as compared to Baseline
|
Baseline, 6 months
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Change in mean office DBP
Time Frame: Baseline, 6 months
|
Change in mean office DBP at six months as compared to Baseline
|
Baseline, 6 months
|
Collaborators and Investigators
Sponsor
Sponsor
Publications and helpful links
General Publications
- Lobo MD, Ott C, Sobotka PA, Saxena M, Stanton A, Cockcroft JR, Sulke N, Dolan E, van der Giet M, Hoyer J, Furniss SS, Foran JP, Witkowski A, Januszewicz A, Schoors D, Tsioufis K, Rensing BJ, Scott B, Ng GA, Schmieder RE. Central Iliac Arteriovenous Anastomosis for Uncontrolled Hypertension: One-Year Results From the ROX CONTROL HTN Trial. Hypertension. 2017 Dec;70(6):1099-1105. doi: 10.1161/HYPERTENSIONAHA.117.10142. Epub 2017 Oct 23.
- Ott C, Lobo MD, Sobotka PA, Mahfoud F, Stanton A, Cockcroft J, Sulke N, Dolan E, van der Giet M, Hoyer J, Furniss SS, Foran JP, Witkowski A, Januszewicz A, Schoors D, Tsioufis K, Rensing BJ, Saxena M, Scott B, Ng GA, Achenbach S, Schmieder RE. Effect of Arteriovenous Anastomosis on Blood Pressure Reduction in Patients With Isolated Systolic Hypertension Compared With Combined Hypertension. J Am Heart Assoc. 2016 Dec 21;5(12):e004234. doi: 10.1161/JAHA.116.004234.
- Lobo MD, Sobotka PA, Stanton A, Cockcroft JR, Sulke N, Dolan E, van der Giet M, Hoyer J, Furniss SS, Foran JP, Witkowski A, Januszewicz A, Schoors D, Tsioufis K, Rensing BJ, Scott B, Ng GA, Ott C, Schmieder RE; ROX CONTROL HTN Investigators. Central arteriovenous anastomosis for the treatment of patients with uncontrolled hypertension (the ROX CONTROL HTN study): a randomised controlled trial. Lancet. 2015 Apr 25;385(9978):1634-41. doi: 10.1016/S0140-6736(14)62053-5. Epub 2015 Jan 23. Erratum In: Lancet. 2016 Feb 13;387(10019):648. Lancet. 2015 Apr 25;385(9978):1622. Lancet. 2016 Feb 13;387(10019):648.
- Foran JP, Jain AK, Casserly IP, Kandzari DE, Rocha-Singh KJ, Witkowski A, Katzen BT, Deaton D, Balmforth P, Sobotka PA. The ROX coupler: creation of a fixed iliac arteriovenous anastomosis for the treatment of uncontrolled systemic arterial hypertension, exploiting the physical properties of the arterial vasculature. Catheter Cardiovasc Interv. 2015 Apr;85(5):880-6. doi: 10.1002/ccd.25707. Epub 2014 Nov 1.
Study record dates
Study Major Dates
Study Start (ACTUAL)
Study Start
Primary Completion (ACTUAL)
Primary Completion
Study Completion (ACTUAL)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
First Posted
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- RH-02
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.