Study of Rivaroxaban Use and Potential Adverse Outcomes in Routine Clinical Practice (Sweden)

September 22, 2021 updated by: Bayer

A Pharmacoepidemiological Study of Rivaroxaban Use and Potential Adverse Outcomes in Routine Clinical Practice in Sweden

This prospective cohort study will provide information about:

Characteristics of Rivaroxaban use in patients who are prescribed Rivaroxaban for the first time compared to patients who are prescribed standard of care for the first time.

The occurrence of intracranial haemorrhage, gastrointestinal and urogenital bleeding, and the occurrence of non-infective liver disease.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
99999

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Sweden
      • Multiple Locations, Sweden
        • Many Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • ADULT
  • OLDER_ADULT
  • CHILD

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Residents of Sweden: The study population will be identified using data from the Swedish national health registers that are maintained by the national Board of Health and Welfare.

Description

Inclusion Criteria:

  • All male and female patients who have filled a prescription for rivaroxaban, warfarin, aspirin, clopidogrel, ticlopidine, prasugrel and ticagrelor in any pharmacy in Sweden, between December 9, 2011 and December 31, 2018

Exclusion Criteria:

- For the AF and DVT/PE treatment indications, patients who have filled a prescription for warfarin or another oral anticoagulant at any time between July 1, 2005 and December 9, 2011 will be excluded

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Rivaroxaban / Cohort 1
Patients who have filled a prescription for rivaroxaban in any pharmacy in Sweden during the study period.
Drug: Rivaroxaban (Xarelto, BAY59-7939)

Treatment of deep vein thrombosis (DVT) or pulmonary embolism (PE), and prevention of recurrent DVT and PE (15 mg rivaroxaban twice daily [bid] for 3 weeks, then 15 mg or 20 mg once daily [od], tablets).

Prevention of stroke and systemic embolism with non-valvular atrial fibrillation (stroke prevention in atrial fibrillation [SPAF]) with one or more risk factors, prior stroke or transient ischaemic attack (20 mg rivaroxaban [od], tablets).

Prevention of venous thromboembolism (VTE) in patients undergoing elective hip or knee replacement surgery (recommended dose: 10 mg rivaroxaban [od] tablets for 35 days following hip replacement surgery and 14 days following knee replacement surgery).

Co-administered with acetylsalicylic acid (ASA) alone or with ASA plus clopidogrel or ticlopidine, for the prevention of atherothrombotic events in patients after an acute coronary syndrome (ACS) with elevated cardiac biomarkers (recommended dose 2.5 mg rivaroxaban tablets [bid]).
Standard of care drugs / Cohort 2
Patients who have filled a prescription for standard of care drugs (warfarin, aspirin, clopidogrel, ticlopidine, prasugrel or ticagrelor) in any pharmacy in Sweden during the study period.
Drug: Standard of care drugs
For DVT/PE treatment and SPAF, standard of care is treatment with the most widely used vitamin K antagonist, phenprocoumon, and for the secondary prevention of ACS, standard of care is antiplatelet drug(s) such as low-dose acetylsalicylic acid, clopidogrel, dipyridamole, prasugrel, ticlopidine and ticagrelor.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Descriptive analysis of demographic and clinical characteristics of patients who are prescribed oral rivaroxaban for the first time in comparison with those who are prescribed standard of care for the first time
Time Frame: up to 4 years
The following data will be collected and assessed at 2 and 4 years after rivaroxaban market authorization: • age and sex distribution at index date • dose of rivaroxaban at index date • diagnosis associated with the prescribing of the index drug • use of specific prescribed medications confirming ACS indication • use of other prescribed medications • comorbidity based on diagnoses • renal impairment • healthcare utilization (e.g. outpatient visits and hospital admissions)
up to 4 years
Safety and effectiveness: occurrence of hospitalization for a) intracranial haemorrhage, (b) gastrointestinal bleeding, (c) urogenital bleeding among users of rivaroxaban in comparison with individuals receiving current standard of care
Time Frame: up to 5 years

The two cohorts will be followed up from the index date until 12 months after the end of the enrolment period for potential outcomes For descriptive purposes, annualized crude incidence rates of the major bleeding events will be calculated, accompanied by 95% confidence intervals.

For evaluation of safety and effectiveness outcome events, Cox proportional hazards regression model will be used. Propensity score matching will be done to account for confounding by indication.
up to 5 years

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Occurrence of hospitalization for bleeding events not specified as primary safety outcomes ("other bleeding", secondary safety outcome) in individuals receiving rivaroxaban, in comparison with those receiving current standard of care.
Time Frame: at 5 years
Outcome will be analyzed after end of data collection. Cox proportional hazards regression model will be used. Propensity score matching will be done to account for confounding by indication.
at 5 years
Occurrence of non-infective liver disease (secondary safety outcome) in individuals receiving rivaroxaban in comparison with those receiving current standard of care.
Time Frame: at 5 years
Outcome will be analyzed after end of data collection. Cox proportional hazards regression model will be used. Propensity score matching will be done to account for confounding by indication.
at 5 years
Outcomes related to effectiveness (DVT/PE, ischaemic stroke or myocardial infarction) in individuals receiving rivaroxaban in comparison with those receiving current standard of care.
Time Frame: at 5 years
Outcome will be analyzed after end of data collection. Cox proportional hazards regression model will be used. Propensity score matching will be done to account for confounding by indication.
at 5 years
All-cause mortality as well as cause-specific mortality.
Time Frame: at 5 years
Outcome will be analyzed after end of data collection. Cox proportional hazards regression model will be used. Propensity score matching will be done to account for confounding by indication.
at 5 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Bayer

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Janssen Scientific Affairs, LLC

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (ACTUAL)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
June 15, 2015

Primary Completion (ACTUAL)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
December 31, 2018

Study Completion (ACTUAL)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
September 30, 2020

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
June 8, 2015

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 9, 2015

First Posted (ESTIMATE)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
June 10, 2015

Study Record Updates

Last Update Posted (ACTUAL)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
September 27, 2021

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
September 22, 2021

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
September 1, 2021

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 17543
  • XA1405SE (OTHER: Company internal)

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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