A neck implant aims to quiet Hard-to-Treat high blood pressure
NCT ID NCT02880631
First seen Sep 11, 2026 · Last updated Sep 11, 2026
Summary
Researchers are following 500 people with resistant hypertension who have received the Barostim Neo device, an implant that stimulates blood pressure sensors in the neck. The registry tracks blood pressure readings, changes in blood pressure medications, and health care visits over up to three years. The goal is to see how the device performs in everyday medical practice, not just in controlled trials.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- an implanted device that stimulates the body's blood pressure sensors in the neck (baroreflex activation therapy)
- What this could lead to
- If the approach works, it could offer people with resistant hypertension a device-based way to lower blood pressure when drugs are not enough.
- What could go wrong
- This is a registry that observes people after they receive a commercially available device, so it cannot prove the device causes any changes. Implanting a device carries surgical risks, and results may not apply to everyone.
Why investors are watching
CVRx sells the BAROSTIM NEO system, a device already approved in Europe for resistant hypertension, and this 500-patient registry tracks how the therapy performs once doctors use it in routine commercial practice. For a micro-cap company, real-world results from that many patients can shape whether doctors and payers keep adopting the device.
If it works: If the registry shows the therapy controls blood pressure well in everyday use, CVRx may point to that evidence when it talks to physicians and payers, which may support wider use of the device.
If it fails: If the registry shows weak blood pressure control or frequent problems, that evidence may slow adoption and hurt the company's commercial prospects. Registries like this can also take years to complete or report, and delays are common.
AI-written from the trial record. Speculative, and not investment advice.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 500 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2016
- Expected to finish
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Jul 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Subjects can be included in the Hypertension Registry if they were implanted in the past 30 days and meet the CE-Mark approved indications and contraindications for the BAROSTIM NEO System in the treatment of resistant hypertension.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Has signed an EC approved informed consent form * Has been implanted with the BAROSTIM NEO system in the past 30 days * Systolic blood pressure greater than or equal to 140 mmHg, and * Resistance to maximally tolerated therapy with a diuretic and two other anti-hypertension medications Exclusion Criteria: * Bilateral carotid bifurcations located above the level of the mandible * Baroreflex failure or autonomic neuropathy * Uncontrolled, symptomatic cardiac bradyarrhythmias * Carotid atherosclerosis that is determined by ultrasound or angiographic evaluation to be greater than 50% * Ulcerative plaques in the carotid artery as determined by ultrasound or angiographic evaluation
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Get notified about this study
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
15 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Asklepios Klinik Altona
RECRUITINGHamburg, 22763, Germany
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Cardiovascular Center 'CVC' Frankfurt
RECRUITINGFrankfurt, 60398, Germany
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Charité Benjamin Franklin
ACTIVE_NOT_RECRUITINGBerlin, 12203, Germany
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Charité Campus Virchow
ACTIVE_NOT_RECRUITINGBerlin, 13353, Germany
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Cloppenburg Katholische Kliniken Münsterland
ACTIVE_NOT_RECRUITINGCloppenburg, 49661, Germany
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Heinrich-Braun Klinikum
ACTIVE_NOT_RECRUITINGZwickau, 08060, Germany
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Herzentrum Lahr
ACTIVE_NOT_RECRUITINGLahr, 77933, Germany
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Herzzentrum Dresden
RECRUITINGDresden, 01307, Germany
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Herzzentrum Göttingen
RECRUITINGGöttingen, 37075, Germany
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Immanuel Klinikum Bernau Herzzentrum Brandenburg
RECRUITINGBernau, 16321, Germany
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Kardiologie im Klinikum Ingolstadt
RECRUITINGIngolstadt, 85049, Germany
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Klinikum Stuttgart
RECRUITINGStuttgart, 70174, Germany
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Klinikum Tuttlingen
RECRUITINGTuttlingen, 78532, Germany
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Krankenhaus & MVZ Maria-Hilf Stadtlohn GmbH
ACTIVE_NOT_RECRUITINGStadtlohn, 48970, Germany
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Krankenhaus Erding
ACTIVE_NOT_RECRUITINGErding, 85435, Germany
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Lippe Klinikum
RECRUITINGDetmold, 32756, Germany
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Maastricht University Medical Center
ACTIVE_NOT_RECRUITINGMaastricht, 6229, Netherlands
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Marienkrankenhaus Siegen
RECRUITINGSiegen, 57072, Germany
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Papenburg Marien Krankenhaus
ACTIVE_NOT_RECRUITINGPapenburg, 26871, Germany
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St. Barbara Klinik Hamm
ACTIVE_NOT_RECRUITINGHamm, 59073, Germany
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Universitätsklinik Mainz
ACTIVE_NOT_RECRUITINGMainz, 55131, Germany
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Universitätsklinikum Gießen und Marburg
RECRUITINGGiessen, 35392, Germany
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Universitätsklinikum Köln Herzzentrum
RECRUITINGCologne, 50937, Germany
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Universitätsklinikum Leipzig
RECRUITINGLeipzig, 04109, Germany
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Universitätsklinikum Regensburg
RECRUITINGRegensburg, 93053, Germany
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Universitätsklinikum Schleswig-Holstein Campus Kiel
RECRUITINGKiel, 24105, Germany
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Inflatable leg cuffs tested as a Two-for-One therapy for high blood pressure and erectile dysfunction
- Can nurses and home monitors tame high blood pressure?
- Can pressing six points on the body help older adults sleep?
- Can AI-Tailored heat warnings shield chronic disease patients from dangerous temperatures?
- Could a quieter, automated blood pressure check help more people control hypertension?
- Can a phone call boost confidence in managing high blood pressure?