Optimization With SonR Method in the ClinicAl pRactice (OSCAR)
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ClinicalTrials.gov Identifier: NCT02250547 |
Recruitment Status :
Completed
First Posted : September 26, 2014
Last Update Posted : November 14, 2017
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Condition or disease |
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CRT Patients |
Thanks to the SonR technology it is possible to adjust the optimal VV and AV delays over time, in a fully automatic, time saving and operator independent way. It is possible to optimize the VV and AV delays in office, during follow-up visits, but also enable the automatic optimization that weekly optimize the AV and VV delays.
For the reasons mentioned above, the sponsor expects that the SonR optimization method increases the number of patients optimized systematically at each follow-up The purpose of this study is to evaluate the percentage of patients optimized at least once every month by the SonR automatic optimization method, until M6 follow-up, in HF patients prevalently in sinus rhythm.
The primary objective will be evaluated as the percentage of patients successfully optimized every month until M6.
A patient is considered successfully optimized by the SonR during one month if at least one Atri-Ventricular (AV) or Ventricular-Ventricular (VV) optimization is completed by the SonR automatic optimization method during the month.
Patients eligible for the analysis are those with SonR automatic optimization function enabled and at least 50% of the time in sinus rhythm
Study Type : | Observational |
Estimated Enrollment : | 278 participants |
Observational Model: | Other |
Time Perspective: | Prospective |
Official Title: | Optimization With SonR Method in the ClinicAl pRactice |
Actual Study Start Date : | July 2012 |
Actual Primary Completion Date : | January 2017 |
Actual Study Completion Date : | September 2017 |
- evaluate the percentage of patients optimized at least once every month by the SonR automatic optimization method, until M6 follow-up, in HF patients prevalently in sinus rhythm [ Time Frame: 6 months ]
The primary objective will be evaluated as the percentage of patients successfully optimized every month until M6.
A patient is considered successfully optimized by the SonR during one month if at least one AV or VV optimization is completed by the SonR automatic optimization method during the month.
Patients eligible for the analysis are those with SonR automatic optimization function enabled and at least 50% of the time in sinus rhythm
- Percentage of patients with SonR automatic optimization function enabled at each follow-up [ Time Frame: 6M ]The number of patients with automatic SonR optimization enabled over the total number of patients at: Implantation, Baseline, M6
- Analyze the evolution of optimal AV and VV delays SonR optimized over time [ Time Frame: 6M ]Compare the mean and the intra-patient AV and VV delays between consecutive follow-ups
- Report system-related complications [ Time Frame: 6M ]Report system-related complications

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- Patient eligible for implantation or implanted for less than 6 weeks (primo-implant, replacement, upgrade) with a a Paradym RF SonR CRT-D and SonRtip Atrial Lead, according to current available guidelines (RF=radio frequency)
- Patient has signed and dated informed consent (according to the laws and regulations of the country in which the observation is performed)
Exclusion Criteria:
- Persistent atrial arrhythmias
- Already included in another interventional clinical study
- Not available for routine follow-up visits
- Inability to understand the purpose of the study
- Under guardianship
- Under18 years old
- Drug addiction or abuse
- Pregnancy

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02250547

Principal Investigator: | Carsten W Israel | Evangelischen Krankenhaus Bielefeld - Germany |
Responsible Party: | LivaNova |
ClinicalTrials.gov Identifier: | NCT02250547 |
Other Study ID Numbers: |
RCSY01 OSCAR |
First Posted: | September 26, 2014 Key Record Dates |
Last Update Posted: | November 14, 2017 |
Last Verified: | November 2017 |