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CompletedNCT00718939Updated Oct 21, 2016

Rheos® Diastolic Heart Failure Trial

An interventional study of Rheos Baroreflex Activation Therapy System in Diastolic Heart Failure, sponsored by CVRx, Inc.. Completed at 4 sites in Germany. Open to participants aged 21 Years and older. Per ClinicalTrials.gov, last updated 2016-10-21.

Sponsored by CVRx, Inc. · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
6
Allocation
Randomized
Ages
21 Years and older
Sex
All
01

Study summary

The CVRx® Rheos® Diastolic Heart Failure Trial is a prospective, randomized, double blind trial with up to 60 subjects conducted at up to five centers in Europe. All subjects will be followed up to one year post implant.

02

Conditions studied

  • Diastolic Heart Failure

Keywords

  • Diastolic Heart Failure
  • Cardiac dysfunction
  • Heart Failure
03

In context

Heart Failure

5,701 studies on the registry are indexed under Heart Failure; 1,220 are open to participants now.

This study's enrollment of 6 is below the median of 72 across 3,736 interventional studies indexed under Heart Failure.

Browse Heart Failure studies →

Lead sponsor

CVRx, Inc. is the lead sponsor of 19 studies on the registry; 4 are open to participants now.

Of its 6 completed or terminated interventional studies of FDA-regulated products, 3 (50%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
21 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Be at least 21 years of age.
  • Have bilateral carotid bifurcations that are below the level of the mandible.
  • Have a left ventricular ejection fraction ≥ 45%.
  • Clinical Heart Failure with elevated BNP or NT-Pro-BNP.

Exclusion criteria

Exclusion Criteria:

  • History of or suspected baroreflex failure or autonomic neuropathy.
  • History of symptomatic bradyarrhythmias, pericardial constriction, infiltrative cardiomyopathy, cardiac valvular disease.
  • Organ or hematologic transplant.
  • History of prior surgery, radiation, or stent placement in carotid sinus region.
  • History of severe chronic kidney disease.
  • Life expectancy to less than one year.
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Investigator)
Enrollment
6 participants (actual)

Study arms

  • Other
    Rheos ON

    Study participants in this arm will have the device turn on for six months and remains on.

    Device: Rheos Baroreflex Activation Therapy System

  • Other
    Rheos OFF

    Study participants in this arm will have the device turned off for 6 months and then turned on.

    Device: Rheos Baroreflex Activation Therapy System

Interventions

  • DeviceRheos Baroreflex Activation Therapy System

    The two (2) Rheos Carotid Sinus Leads conduct the activation energy from the Rheos Implantable Pulse Generator to the baroreceptors located on the left (Left Carotid Sinus Lead) and right (Right Carotid Sinus Lead) carotid sinus. This energy activates the baroreflex by inducing signals that the brain interprets as elevated blood pressure.

06

What researchers measure

Primary outcomes

  1. Assess left ventricular mass index (LVMI).

    Time frame: at six months post- randomization.

  2. Assess safety by evaluating all adverse events.

    Time frame: through six months post -implant

Secondary outcomes

  1. To assess difference between randomization groups in blood pressure changes, blood levels and quality of life.

    Time frame: six months post-implant

07

Study locations

4 sites
  • Kerckhoff-Klinik Forschungsgesellschaft mbH
    Bad Nauheim, 61231, Germany
  • Krankenhaus Reinbek St.Adolfsstif
    Hamburg-Reinbek, 21465, Germany
  • Medizinische Hoschschule Hannover
    Hannover, Germany
  • University of Cologne
    Koeln, 50924, Germany
08

References and documents

Related links

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Oct 21, 2016, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT00718939
Lead sponsor
CVRx, Inc.
Responsible party
Sponsor
First posted
Jul 21, 2008
Start date
Jul 2008
Primary completion
Jul 2012
Completion
Jul 2012
Last update
Oct 21, 2016

Study contacts

Maximilian A Pichlmaier, MD
principal investigator · Medizinische Hoschschule Hannover
Johannes Sperzel, MD
principal investigator · Kerckhoff-Klinik Forschungsgesellschaft mbH
Prof. Uta Hoppe, MD
principal investigator · University of Cologne
Herbert Naegele, MD
principal investigator · Krankenhaus Reinbek St.Adolfsstif

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Oct 2016. You cannot join it, but the record below documents what was studied.

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