Essential HypertensionNCT01417221
Renal Sympathetic Modification in Patients With Essential Hypertension
A study testing renal sympathetic modification in people with Essential Hypertension, run by The Second Affiliated Hospital of Chongqing Medical University at 1 site in China.
Trial summary
The purpose of this study is to observe the incident of composite cardiovascular events after renal sympathetic modification using THERMOCOOL® catheter in patients with essential hypertension, and evaluate safety and efficacy of the intervention. Read more about this study
- Who is it for?
- Ages 18 to 75 years
- Conditions the study is for
- Essential Hypertension
- What is being tested?
- renal sympathetic modification
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 200 participants
- Where
- 1 siteChina
- Study dates
- Aug 2011to Dec 2020
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 75 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- ≥ 18 years old, and ≤ 75 years old of age
- more than half a year history of hypertension, except for valvular heart disease
- recently at least three times office blood pressure suggest systolic blood pressure of 140mmHg or more and/or a diastolic blood pressure of 90mmHg or more
- estimated glomerular filtration rate (eGFR) of ≥ 45mL/min
- is competent and willing to provide written, informed consent to participate in this clinical study
Who cannot join
- secondary hypertension
- isolated systolic hypertension
- estimated glomerular filtration rate (eGFR) of < 45mL/min
- has the history of renal restenosis or renal stents implantation
- has experienced AMI (old myocardial infarction is not excluded), unstable angina pectoris, cerebrovascular accidents, and alimentary tract hemorrhage within 3 months
- patients with sick sinus syndrome
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- pregnant women
- mental disorders
- patients that have allergy to contrast agent
- patients that do not go with follow-up
- others such as researcher considers it is not appropriate to be included into the study
Trial locations and contacts
1 site in 1 country.
China1 site, 1 recruiting
- Recruiting
2ndChongqingMU
Chongqing, Chongqing Municipality, 400010
Yuehui Yin, MD, 0086-23-63693766, yinyh63@163.com
Yuehui Yin, MD
About this study
The purpose of this study is to observe the incident of composite cardiovascular events after renal sympathetic modification using THERMOCOOL® catheter in patients with essential hypertension, and evaluate safety and efficacy of the intervention.
Read the detailed description
Hypertension is a common cardiovascular disease, and is also an important risk factor for heart-brain-renal diseases, with relatively low controlled rate. Traditional pharmacological therapies are used in clinical practice without breakthrough for long time. Previous studies confirmed that sympathetic nerves activity contributed to development and perpetuation of hypertension. Renal ablation for sympathetic modification is a new method which is proved to be effective in decreasing sympathetic nerves activity. We assume that modifying renal sympathetic activity by ablation is effective and safe in treatment of hypertension. This trial is going to recruit 200 patients (Ablation group VS Control group = 1:1) with a follow-up duration of 3 years. Patients in ablation group will receive additional necessary anti-hypertensive medications besides expectant intervention, and patients in control group will receive appropriate anti-hypertensive medications only. We aim to observe the incident of composite cardiovascular events after renal sympathetic modification using THERMOCOOL® catheter in patients with hypertension, and evaluate safety and efficacy of the intervention.
- Conditions
- Essential Hypertension
- Being tested
- renal sympathetic modification
- Keywords
- renal artery, sympathetic nerves, modification, essential hypertension, primary hypertension
- Medical subject headings
- Essential Hypertension
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
renal sympathetic modificationProcedure or surgery
Also called renal denervation
Device: THERMOCOOL® Catheter Renal sympathetic modification with a catheter-based procedure
| Study group | Role | What they receive |
|---|---|---|
| renal sympathetic modification | Experimental | Renal artery ablation to modify sympathetic activity in patients with essential hypertension. Receives: Procedure: renal sympathetic modification |
| Absolute medicine therapy | No intervention | Maintenance of anti-hypertensive medications only |
What is being measured
The primary outcome is the main question the study is designed to answer.
composite cardiovascular events
Comprising myocardial infarction, stroke, heart failure, sudden death
Measured: three years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted16 Aug 2011 (estimated)
- Study startAug 2011
- Primary completionDec 2019 (estimated)
- Study completionDec 2020 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Essential HypertensionStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 200 participants (estimated)
Sponsor and investigators
- Lead sponsor
- The Second Affiliated Hospital of Chongqing Medical University
- Sponsor type
- University, hospital or other
- Collaborators
- Jiangsu Provincial People's Hospital, Zunyi Medical College, Chongqing Medical University
- Responsible party
- Principal investigator, Yuehui Yin, The Second Affiliated Hospital of Chongqing Medical University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01417221
- Sponsor's protocol ID
- SWAN-HT
- Status last verified
- Mar 2019
- First submitted
- 15 Aug 2011
- Last updated
- 19 Mar 2019
- Results posted
- No
- Data monitoring committee
- Yes
Study at a glance
From the registry record, last updated by the sponsor on 19 Mar 2019. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Renal Sympathetic Modification in Patients With Essential Hypertension
- ClinicalTrials.gov ID
- NCT01417221
- Acronym / sponsor ID
- SWAN-HT
- Conditions
- Essential Hypertension
- Keywords
- renal artery, sympathetic nerves, modification, essential hypertension, primary hypertension
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 200 participants (estimated)
- Lead sponsor
- The Second Affiliated Hospital of Chongqing Medical UniversityUniversity, hospital or other
- Collaborators
- Jiangsu Provincial People's Hospital, Zunyi Medical College, Chongqing Medical University
- Study start
- Aug 2011 (actual)
- Primary completion
- Dec 2019 (estimated)
- Study completion
- Dec 2020 (estimated)
- First posted
- 16 Aug 2011 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this study is to observe the incident of composite cardiovascular events after renal sympathetic modification using THERMOCOOL® catheter in patients with essential hypertension, and evaluate safety and efficacy of the intervention.
Detailed description
Hypertension is a common cardiovascular disease, and is also an important risk factor for heart-brain-renal diseases, with relatively low controlled rate. Traditional pharmacological therapies are used in clinical practice without breakthrough for long time. Previous studies confirmed that sympathetic nerves activity contributed to development and perpetuation of hypertension. Renal ablation for sympathetic modification is a new method which is proved to be effective in decreasing sympathetic nerves activity. We assume that modifying renal sympathetic activity by ablation is effective and safe in treatment of hypertension. This trial is going to recruit 200 patients (Ablation group VS Control group = 1:1) with a follow-up duration of 3 years. Patients in ablation group will receive additional necessary anti-hypertensive medications besides expectant intervention, and patients in control group will receive appropriate anti-hypertensive medications only. We aim to observe the incident of composite cardiovascular events after renal sympathetic modification using THERMOCOOL® catheter in patients with hypertension, and evaluate safety and efficacy of the intervention.
Study design
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| renal sympathetic modification | Experimental | Procedure: renal sympathetic modificationRenal artery ablation to modify sympathetic activity in patients with essential hypertension. |
| Absolute medicine therapy | No intervention | –Maintenance of anti-hypertensive medications only |
Who may qualify
- Ages
- 18 to 75 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (5 listed)
- ≥ 18 years old, and ≤ 75 years old of age
- more than half a year history of hypertension, except for valvular heart disease
- recently at least three times office blood pressure suggest systolic blood pressure of 140mmHg or more and/or a diastolic blood pressure of 90mmHg or more
- estimated glomerular filtration rate (eGFR) of ≥ 45mL/min
- is competent and willing to provide written, informed consent to participate in this clinical study
Key exclusion criteria (11 listed)
- secondary hypertension
- isolated systolic hypertension
- estimated glomerular filtration rate (eGFR) of < 45mL/min
- has the history of renal restenosis or renal stents implantation
- has experienced AMI (old myocardial infarction is not excluded), unstable angina pectoris, cerebrovascular accidents, and alimentary tract hemorrhage within 3 months
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| renal sympathetic modificationAlso: renal denervationDevice: THERMOCOOL® Catheter Renal sympathetic modification with a catheter-based procedure | Procedure or surgery | renal sympathetic modification |
Primary outcome
composite cardiovascular events
Time frame: three years
Comprising myocardial infarction, stroke, heart failure, sudden death
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 19 Mar 2019.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing renal sympathetic modification in people with Essential Hypertension, run by The Second Affiliated Hospital of Chongqing Medical University at 1 site in China.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 5 inclusion and 11 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: status not confirmed, as of the sponsor's last update on 19 Mar 2019. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
Contact Yuehui Yin, MD (0086-13508335502, yinyh63@163.com), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
composite cardiovascular events (time frame: three years). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 19 Mar 2019.