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Atrial FibrillationBROTHERNCT02864758

Benefit-Risk Of Arterial THrombotic prEvention With Rivaroxaban for Atrial Fibrillation in France

An observational study of Atrial Fibrillation, run by Bayer at 1 site in France.

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 purpose of the study is to compare the one-year and two-year risk of each of the following individual outcomes: Stroke and systemic embolism (SE), major bleeding and death between new users of anticoagulant for Stroke prevention in atrial fibrillation (SPAF) during drug exposure: rivaroxaban versus Vitamin K… Read more about this study

Who is it for?
Ages 2 to 99 years
Conditions the study is for
Atrial Fibrillation
What is being tested?
Rivaroxaban (Xarelto, BAY59-7939), Vitamin K antagonists and dabigatran (Pradaxa)
Type of treatment
Pill or oral medicine
How many people
99,999 participants
Where
1 siteFrance
Study dates
8 Sep 2016to 30 Sep 2018
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 2 to 99 years
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Study population: All subjects with a first reimbursed dispensation of rivaroxaban (15 or 20 mg), dabigatran (110 or 150 mg) or vitamin k antagonists in 2013 or 2014 diagnosed with Atrial Fibrillation

Who may be able to join

  • Definite non-valvular atrial fibrillation:
  • A first reimbursed dispensation of rivaroxaban, dabigatran, or VKA in 2013 or 2014, and
  • No previous DOAC (rivaroxaban, dabigatran, apixaban) or VKA dispensation during the previous three years,
  • Definite AF information in the database Probable non-valvular atrial fibrillation:-
  • A first reimbursed dispensation of rivaroxaban, dabigatran, or VKA in 2013 or 2014, and
  • No previous DOAC (rivaroxaban, dabigatran, apixaban) or VKA dispensation during the previous three years,
  • Probable AF information in the database (using the development of an AF disease score, see variables definition below),

Who cannot join

  • Patients with Rheumatic valve disease
  • Patients with valve replacement
  • Patients treated with anticoagulants for venous
  • thromboemboslim or prevention of venous
  • thromboembolism after orthopedic surgery

Trial locations and contacts

1 site in 1 country.

France1 site
  • Many Locations

    Multiple Locations

Other trials in France

About this study

Official title: Benefit-Risk Of Arterial THrombotic prEvention With Rivaroxaban for Atrial Fibrillation in Daily Clinical Practice - A French Cohort Within the Nationwide Claims and Hospital Database

The purpose of the study is to compare the one-year and two-year risk of each of the following individual outcomes: Stroke and systemic embolism (SE), major bleeding and death between new users of anticoagulant for Stroke prevention in atrial fibrillation (SPAF) during drug exposure: rivaroxaban versus Vitamin K antagonists (VKA), and rivaroxaban versus dabigatran

Read the detailed description

Main objective: To compare the one-year and two-year risk of each of the following individual outcomes: Stroke and systemic embolism (SE), major bleeding and death between new users of anticoagulant for SPAF during drug exposure: rivaroxaban versus VKA, and rivaroxaban versus dabigatran.

Secondary objectives:

  • To describe the drug exposure to rivaroxaban, dabigatran, and VKA for SPAF in new users, as well as and pattern of use;
  • To compare the one-year and two-year risk of the following individual outcomes: a composite of stroke and SE, major bleeding and death, clinically relevant bleeding (CRB) and acute coronary syndrome (ACS) between new users of anticoagulant for SPAF during drug exposure: rivaroxaban versus VKA, and rivaroxaban versus dabigatran;
  • To estimate the cumulative incidence and the incidence rate of each individual main and secondary outcome (stroke and SE, major bleeding, CRB, death, composite criteria, and ACS), as well as according to individual diagnose of each of these outcomes, during drug exposure for rivaroxaban, dabigatran, and VKA;
  • To estimate the cumulative incidence of each individual main and secondary outcome (stroke and SE, major bleeding, CRB, death, composite criteria, and ACS), as well as according individual diagnose of each of these outcomes during post-anticoagulant exposure for rivaroxaban, dabigatran, and VKA (i.e. after anticoagulant discontinuation);
  • To assess outcome risk factors, including (but not limited to), gender, age, stroke and bleeding risk scores (CHA2DS2-VASc and HAS-BLED), low or high dosage at index date for DOAC, drug predisposing to bleeding during drug exposure and significant baseline characteristics;
  • To describe and compare healthcare resources utilisation related to SPAF during rivaroxaban, dabigatran, and VKA exposure, including outcomes, and their related costs from the societal perspective and from the French healthcare insurance perspective.
Being tested
Rivaroxaban (Xarelto, BAY59-7939), Vitamin K antagonists, dabigatran (Pradaxa)
Medical subject headings
Atrial Fibrillation

What participants receive

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

  • Rivaroxaban (Xarelto, BAY59-7939)Drug

    Tablets, 20mg once daily

  • Vitamin K antagonistsDrug

    Tablets, dose is based on International Normalized Ratio

  • dabigatran (Pradaxa)Drug

    Tablets, 150 mg twice daily

Study groups in NCT02864758
Study groupRoleWhat they receive
Group 1Adult patients with nonvalvular atrial fibrillation (NVAF) treated with rivaroxaban
Receives: Drug: Rivaroxaban (Xarelto, BAY59-7939)
Group 2Adult patients with nonvalvular atrial fibrillation (NVAF) treated with vitamin k anatognists
Receives: Drug: Vitamin K antagonists
Group 3Adult patients with nonvalvular atrial fibrillation (NVAF) treated with dabigatran
Receives: Drug: dabigatran (Pradaxa)

What is being measured

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

  1. Stroke and systemic embolism (Effectiveness outcome)

    Hospitalization with ischemic or undefined stroke or other systemic arterial embolism or surgical procedure for systemic arterial embolism To compare one year and two year risk between new users of anticoagulant for SPAF during drug exposure: rivaroxaban versus VKA, and rivaroxaban versus dabigatran.

    Measured: One year and Two Year

  2. Major Bleeding

    Hospitalization with haemorrhagic stroke, other critical organ or site bleeding (intraspinal, intraocular,retroperitoneal, intraarticular or pericardial, or intramuscular), Other bleeding with a transfusion during hospital stay, or resulting in death.

    To compare one year and two year risk between new users of anticoagulant for SPAF during drug exposure: rivaroxaban versus VKA, and rivaroxaban versus dabigatran.

    Measured: One year and Two Year

  3. Death

    All-cause death. To compare one year and two year risk between new users of anticoagulant for SPAF during drug exposure: rivaroxaban versus VKA, and rivaroxaban versus dabigatran.

    Measured: One year and Two Year

Secondary outcomes (5)
  1. Pattern of use (Exposure, Adherence, Discontinuation, Switch)

    To describe the drug exposure to rivaroxaban, dabigatran, and VKA for SPAF in new users and pattern of use

    Measured: Up to two years

  2. A composite of stroke and SE, major bleeding and death, clinically relevant bleeding and acute coronary syndrome

    To compare one year and two year risk between new users of anticoagulant for SPAF during drug exposure: rivaroxaban vs VKA, and rivaroxaban vs dabigatran

    Measured: One year and Two Year

  3. Cumulative incidence and incidence rate of stroke and SE, major bleeding, clinically relevant bleeding, death, composite criteria, and acute coronary syndrome as well as according individual diagnose of each of these outcomes

    During drug exposure for rivaroxaban, dabigatran, and VKA

    Measured: Up to two years

  4. Cumulative incidence of Stroke and SE, major bleeding, clinically relevant bleeding, death, composite criteria, and acute coronary syndrome as well as according individual diagnose of each of these outcomes

    Post-anticoagulant exposure for rivaroxaban, dabigatran, and VKA (i.e. after anticoagulant discontinuation)

    Measured: Up to two years

  5. Healthcare resources utilisation

    Healthcare resources use will be described from reimbursed claims and hospitalisation information Healthcare resources cost will be estimated using the French HAS methodological guide for economic evaluations (2011)

    Measured: Up to two years

Timeline

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

  1. First posted12 Aug 2016 (estimated)
  2. Study start8 Sep 2016
  3. Primary completion30 Sep 2018
  4. Study completion30 Sep 2018

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
Cohort
Time perspective
Retrospective
Enrolment
99,999 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02864758
Sponsor's protocol ID
18656
Acronym
BROTHER
Status last verified
Nov 2023
First submitted
9 Aug 2016
Last updated
7 Nov 2023
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Blin P, Fauchier L, Dureau-Pournin C, Sacher F, Dallongeville J, Bernard MA, Lassalle R, Droz-Perroteau C, Moore N. Effectiveness and Safety of Rivaroxaban 15 or 20 mg Versus Vitamin K Antagonists in Nonvalvular Atrial Fibrillation. Stroke. 2019 Sep;50(9):2469-2476. doi: 10.1161/STROKEAHA.119.025824. Epub 2019 Aug 8.

    PubMed 31390972
  • Fauchier L, Blin P, Sacher F, Dureau-Pournin C, Bernard MA, Lassalle R, Droz-Perroteau C, Dallongeville J, Moore N. Reduced dose of rivaroxaban and dabigatran vs. vitamin K antagonists in very elderly patients with atrial fibrillation in a nationwide cohort study. Europace. 2020 Feb 1;22(2):205-215. doi: 10.1093/europace/euz285.

    PubMed 31638652

Questions about this trial

What is this clinical trial studying?

An observational study of Atrial Fibrillation, run by Bayer at 1 site in France.

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 7 inclusion and 5 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 7 Nov 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in France. 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?

Stroke and systemic embolism (Effectiveness outcome) (time frame: One year and Two Year). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02864758, which also lists 2 linked publications.

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 7 Nov 2023.

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