Study Stopped
Study was discontinued in 2018 as sufficient sample size was not met.
Study to Describe Risk of Bleeding in Patients Depending on the Different Anticoagulant Therapy They Are on for Atrial Fibrillation (AF)
Investigating the Association of Type of Anticoagulation Treatment for Non-valvular Atrial Fibrillation and Risk of Bleeding in England
1 other identifier
observational
N/A
1 country
1
Brief Summary
Study of patients with nonvalvular atrial fibrillation (NVAF) who are newly prescribed NOACs (Novel Oral Anticoagulants) in routine clinical practice in England
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
Started Sep 2017
Shorter than P25 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
September 1, 2017
CompletedFirst Submitted
Initial submission to the registry
April 16, 2018
CompletedFirst Posted
Study publicly available on registry
April 25, 2018
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2018
CompletedJune 30, 2022
June 1, 2022
1 year
April 16, 2018
June 28, 2022
Conditions
Outcome Measures
Primary Outcomes (7)
Incidence of major bleeding
At the end of 1 year
Incidence of intracranial bleeding
At the end of 1 year
Incidence of gastrointestinal bleeding
At the end of 1 year
Incidence of clinically relevant non-major bleeding
At the end of 1 year
Incidence of ischemic stroke
At the end of 1 year
Incidence of unspecified stroke
At the end of 1 year
Incidence of systemic embolic events
At the end of 1 year
Study Arms (2)
Participants with NVAF starting Apixaban
Participants with NVAF starting Warfarin
Interventions
Eligibility Criteria
NVAF patients newly prescribed NOACs in England
You may qualify if:
- Diagnosis of atrial fibrillation at or prior to index (the initiation of treatment)
- Incident prescription of an oral anticoagulant (index date)
- Patients with at least one year of computerized data prior to index date
You may not qualify if:
- Patients identified with a diagnosis of mechanical heart valve replacement or mitral stenosis identified at any point in the pre-index period in either CPRD by Read codes or in HES as ICD-10/OPCS codes
- Patients with indication of venous thromboembolism (pulmonary embolism or deep vein thrombosis) identified in in either CPRD by Read codes or HES by ICD-10/OPCS codes within 3 months prior to index
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Local Institution
Bethesda, Maryland, 20814, United States
Related Links
Study Officials
- STUDY DIRECTOR
Bristol-Myers Squibb
Bristol-Myers Squibb
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- RETROSPECTIVE
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 16, 2018
First Posted
April 25, 2018
Study Start
September 1, 2017
Primary Completion
September 1, 2018
Study Completion
September 1, 2018
Last Updated
June 30, 2022
Record last verified: 2022-06