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SyncopeNCT03786640

Abbott Brady 3T MRI PMCF

An observational study of Syncope and Presyncope, run by Abbott Medical Devices at 9 sites in 5 countries.

Completed

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

Official record
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Trial summary

The objective of this post-market, clinical follow up (PMCF) study, is to confirm the long-term safety of the Tendril STS and Isoflex leads, implanted with the Assurity MRI™ or Endurity MRI™ pacemakers, in patients undergoing a clinically indicated 3T MRI (3 Tesla Magnetic Resonance Imaging) scan. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Syncope, Presyncope, Fatigue
What is being tested?
3T MRI scan
Type of treatment
Surgery or procedure
How many people
3 participants
Where
9 sitesin 5 countries
Study dates
4 Oct 2019to 18 Dec 2021
Phase
Observational
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 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Patients implanted with an SJM Tendril STS 2088 or Isoflex 1944/1948 lead, together with an Assurity MRI or Endurity MRI pacemaker, and who will undergo a 3T MRI scan are eligible to participate in this study. Subjects must meet all eligibility criteria and provide written informed consent prior to conducting any study procedures not considered standard of care.

Who may be able to join

  • Subject must be willing and able to provide informed consent for study participation (legal guardian or legally authorized representative is NOT acceptable).
  • Subject must be implanted with a St. Jude Medical Tendril STS 2088 or Isoflex 1944/1948 lead, and Assurity MRI or Endurity MRI pacemaker.
  • Capture threshold is stable and < 2.5V @ 0.5ms at the time of enrollment.
  • Subject is clinically indicated for a 3T MRI scan without sedation NOTE: Antianxiety agents (e.g. minor tranquilizers, etc.) may be used as long as the patient can communicate with site personnel during the MRI scan
  • Subject is willing and able to comply with the prescribed follow-up tests and schedule of evaluations.

Who cannot join

  • The subject is currently participating in a clinical investigation that includes an active treatment arm that may confound the results of this study as determined by Abbott.
  • The subject is <18 years old (pediatric).
  • That subject has a life expectancy of less than 12 months due to any condition.
  • Pregnant or nursing subjects and those who plan pregnancy during the clinical investigation follow-up period.
  • Presence of other anatomic or comorbid conditions, or other medical, social, or psychological conditions that, in the investigator's opinion, could limit the subject's ability to participate in the clinical investigation or to comply with follow-up requirements, or impact the scientific soundness of the clinical investigation results.
  • Any contraindication to MRI scan, including the presence of additional hardware (e.g. lead extenders, lead adapters, surgical staples, stents, dental braces, or abandoned leads).

Trial locations and contacts

9 sites in 5 countries.

9 sites in 5 countries

India3 sites
  • Care Institute of Medical Sciences

    Ahmedabad, Gurarat, 380060

  • Apollo Hospital

    Chennai, Tamil Nadu, 600 006

  • Eternal Haert Care Centre

    Jaipur, Rajasthan, 302017

Other trials in India

France2 sites
  • Hopital Cardiovasculaire et Pneumologique Louis Pradel

    Lyon, Auvergne-Rhône-Alpes, 69394

  • CHRU Hopital de Pontchaillou

    Rennes, Brittany Region, 35033

Other trials in France

Netherlands2 sites
  • Albert Schweiter Ziekenhuis

    Dordrecht, South Holland, 3318 AT

  • Medisch Centrum Leeuwarden

    Leeuwarden, Provincie Friesland, 8934 AD

Other trials in Netherlands

Estonia1 site
  • Tartu University Hospital

    Tartu, 50406

Other trials in Estonia

Italy1 site
  • AOU Federico II - Università degli Studi di Napoli

    Naples, Campania, 80138

Other trials in Italy

About this study

Official title: Long Term Follow-up of the Tendril STS and Isoflex Leads in Conjunction With the Assurity MRI™ and Endurity MRI™ Pacemakers Within the 3T MRI Environment (Brady 3T MRI PMCF)

The objective of this post-market, clinical follow up (PMCF) study, is to confirm the long-term safety of the Tendril STS and Isoflex leads, implanted with the Assurity MRI™ or Endurity MRI™ pacemakers, in patients undergoing a clinically indicated 3T MRI (3 Tesla Magnetic Resonance Imaging) scan.

Read the detailed description

This prospective, non-randomized, observational study will be conducted at 35 centers worldwide where the study devices have 3T MR Conditional labeling; up to 110 patients will be enrolled, and will satisfy the recent PMCF requirement to maintain the CE mark.

Being tested
3T MRI scan
Keywords
3 Tesla MRI
Medical subject headings
Syncope, Fatigue, Confusion, Arrhythmias, Cardiac, Bradycardia

What participants receive

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

  • 3T MRI scanRadiation

    A clinically indicated 3T MRI scan will be performed per standard procedures for the radiology department. Cardiac monitoring during the MRI scan is recommended to include Pulse Oximetry and/or ECG.

Study groups in NCT03786640
Study groupRoleWhat they receive
Single ArmPatients implanted with an SJM Tendril STS 2088 or Isoflex 1944/1948 lead, together with an Assurity MRI or Endurity MRI pacemaker, and who will undergo a 3T MRI scan are eligible to participate in this study.
Receives: Radiation: 3T MRI scan

What is being measured

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

  1. Proportion of subjects with a capture threshold increase of ≤ 0.5V at the permanently programmed pulse width

    Measured: from pre- MRI scan to one-month post MRI scan

Secondary outcomes (1)
  1. Proportion of subjects with a sensing amplitude decrease of ≤ 50% from pre-MRI scan to one-month post-MRI scan

    Measured: from pre-MRI scan to one-month post-MRI scan

Timeline

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

  1. First posted26 Dec 2018
  2. Study start4 Oct 2019
  3. Primary completion18 Nov 2021
  4. Study completion18 Dec 2021

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case only
Time perspective
Prospective
Enrolment
3 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03786640
Sponsor's protocol ID
ABT-CIP-10266
Status last verified
Apr 2022
First submitted
20 Dec 2018
Last updated
14 Apr 2022
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

An observational study of Syncope and Presyncope, run by Abbott Medical Devices at 9 sites in 5 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 5 inclusion and 6 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 14 Apr 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 9 sites in India, France, Netherlands, Estonia, Italy. 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?

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?

Proportion of subjects with a capture threshold increase of ≤ 0.5V at the permanently programmed pulse width (time frame: from pre- MRI scan to one-month post MRI scan). 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 14 Apr 2022.

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