AzTrials
AzTrials

Assess the Benefits From the AAISafeR/SafeR Algorithm of Symphony 2550 or REPLYTM DR in a Wide Range of Pacemaker Patients.Phase 4ANSWERNCT00562107

Evaluation of the SafeR Mode in Patients With a Dual Chamber Pacemaker Indication

A Phase 4 study testing Symphony DR 2550 and REPLY DR cardiac pacemakers in people with Assess the Benefits From the AAISafeR/SafeR Algorithm of Symphony 2550 or REPLYTM DR in a Wide Range of Pacemaker Patients., run by LivaNova at 37 sites in 6 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

The aim of this study is to assess the benefits from the AAISafeR/SafeR algorithm of Symphony 2550 or REPLY DR in a wide range of pacemaker patients. The expected benefits will be a result of the reduction of the percentage of ventricular pacing. Read more about this study

Who is it for?
Any age
What is being tested?
Symphony DR 2550 and REPLY DR cardiac pacemakers
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
650 participants
Where
37 sitesin 6 countries
Study dates
Dec 2007to Apr 2013
Phase
Phase 4
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 Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Who may be able to join

  • Patient primo-implanted with a Symphony 2550 or Reply DR for less than 1 month according to the official guidelines.
  • Patient implanted for sinus node dysfunction (including bradycardia-tachycardia syndrome) or 2nd, advanced or 3rd degree intermittent or allegedly permanent AV block.
  • Patient implanted with a bipolar right atrial lead and a right ventricular lead
  • Patient has signed a consent form after having received the appropriate information

Who cannot join

  • Patient with permanent AF
  • Patient suffering from sustained ventricular arrhythmias
  • Patient with congenital complete heart block
  • Patient with vasovagal syncope, carotid sinus syndrome
  • Patient with AV node ablation
  • Patient having suffered from a myocardial infarction within the last month
Show all 15Show fewer
  • Patient suffering from severe aortic stenosis
  • Patient suffering from unstable angina pectoris
  • Patient is not able to understand the study objectives and protocol or refuses to co-operate
  • Patient is not available for scheduled follow-up
  • Patient has a life expectancy less than one year
  • Patient is included into another clinical study
  • Patient is minor, this is < 18 years
  • Patient is a pregnant woman
  • Any patient with a contra-indication for the device labeling

Trial locations and contacts

37 sites in 6 countries.

37 sites in 6 countries

France13 sites
  • CHU - Hopital Sud

    Amiens, 80054

  • Centre hospitalier de Béthune

    Béthune, 62408

  • CHU - Hopital Michallon

    Grenoble, 38043

  • CHP Beauregard

    Marseille, 13012

  • CHU A de Villeneuve

    Montpellier, 34295

  • Clinique Bizet

    Paris, 75116

  • CHU Hopital C. Nicolle

    Rouen, 76035

  • CCN

    Saint-Denis, 93207

  • CHU - Hopital Nord

    Saint-Etienne, 42055

  • CHU Hautepierre

    Strasbourg, 67098

  • Clinique Pasteur

    Toulouse, 31076

  • CHU Hopital Trousseau

    Tours, 37044

  • CHU de Nancy

    Vandœuvre-lès-Nancy, 54511

Other trials in France

Germany11 sites
  • Charite Virchow

    Berlin

  • Bernau hospital

    Bernau

  • Braunschweig hospital

    Braunschweig, 38100

  • Elisabeth KH Essen

    Essen, D-45138

  • Leipzig Uni

    Leipzig, 04103

  • Lübeck Uni

    Lübeck, D-23538

  • Lüdenscheid hospital

    Lüdenscheid, 58515

  • Mainz Uni

    Mainz, 55101

  • München Innenstadt

    München, 80336

  • Remscheid hospital

    Remscheid, 42859

  • Ulm Uni

    Ulm, 89081

Other trials in Germany

Spain6 sites
  • Complejo Hospitalario Arquitecto Marcide

    Ferrol, 15405

  • Hospital Universitario de Madrid

    Madrid, 28041

  • Hospital Montecelo

    Mourente, 36071

  • Povisa

    Salamanca

  • Hospital Clinico universitario de Santiago

    Santiago de Compostela, 15706

  • Complejo Hospitalario Xeral-Cies

    Vigo, 3204

Other trials in Spain

Italy5 sites
  • Clinica Villa Pini d'Abruzzo

    Chieti, 66100

  • Osp Civile di Montebelluna

    Conegliano, 31015

  • Ospedale Umberto I

    Mestre, 30173

  • Presidio Ospedaliero di Mirano

    Mirano, 30035

  • Azienda Ospedaliera S. Maria

    Terni, 05100

Other trials in Italy

United States1 site
  • 736 Cambridge Street

    Brighton, Massachusetts, MA 02135

Other trials in United States

United Kingdom1 site
  • William Harvey Hospital

    Ashford, Kent TN24 OLZ

Other trials in United Kingdom

About this study

The aim of this study is to assess the benefits from the AAISafeR/SafeR algorithm of Symphony 2550 or REPLY DR in a wide range of pacemaker patients.

The expected benefits will be a result of the reduction of the percentage of ventricular pacing.

It contributes to the longevity of the cardiac pacemaker and has an effect on the incidence of sustained (or persistent) Atrial Fibrillation and Heart Failure. These clinical benefits are a result of spontaneous ventricular activation which ensures a more physiological ventricular activation.

The benefits will be assessed by comparing the incidence of atrial arrhythmias and the evolution of the haemodynamic status of the patients (QOL, echo and BNP)

Being tested
Symphony DR 2550 and REPLY DR cardiac pacemakers
Keywords
Minimized ventricular pacing, clinical outcome, SafeR, AAIsafeR, dual chamber pacemaker therapy, % of ventricular pacing, hospitalizations, symptomatic AF

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Symphony DR 2550 and REPLY DR cardiac pacemakersDevice

    AAISafeR/SafeR ON

  • Symphony DR 2550 and REPLY DR cardiac pacemakersDevice

    DDD(R) (SafeR OFF)

Study groups in NCT00562107
Study groupRoleWhat they receive
1ExperimentalAAIsafeR /SafeR Patient randomized with the SafeR switched ON
Receives: Device: Symphony DR 2550 and REPLY DR cardiac pacemakers
2ExperimentalDDD(R) mode. Patients randomized with the SafeR mode switched OFF
Receives: Device: Symphony DR 2550 and REPLY DR cardiac pacemakers

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. The outcome measure is the % of ventricular pacing and hospitalizations for specified cardiac reasons (symptomatic AF, cardioversions for AF and heart failure)

    Measured: 3 years

Secondary outcomes (1)
  1. Evolution of paroxysmal AV blocks

    Measured: 3 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted21 Nov 2007 (estimated)
  2. Study startDec 2007
  3. Primary completionMar 2011
  4. Study completionApr 2013

Resources

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 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Participant
Enrolment
650 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00562107
Sponsor's protocol ID
ANSWER - IBSY02
Other IDs
IBSY02
Acronym
ANSWER
Status last verified
Sep 2014
First submitted
20 Nov 2007
Last updated
29 Sep 2014
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Symphony DR 2550 and REPLY DR cardiac pacemakers in people with Assess the Benefits From the AAISafeR/SafeR Algorithm of Symphony 2550 or REPLYTM DR in a Wide Range of Pacemaker Patients., run by LivaNova at 37 sites in 6 countries.

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 4 inclusion and 15 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: finished, as of the sponsor's last update on 29 Sep 2014. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 37 sites in France, Germany, Spain, Italy, United States and 1 more country. 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.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

The outcome measure is the % of ventricular pacing and hospitalizations for specified cardiac reasons (symptomatic AF, cardioversions for AF and heart failure) (time frame: 3 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 29 Sep 2014.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in