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Feasibility pilot of anticoagulation self-testing

A feasibility study investigating the operational practicability and acceptability of home International Normalised Ratio (INR) self testing in patients receiving long term warfarin.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN99378804
Enrollment
20
Registered
2018-11-26
Start date
2017-06-15
Completion date
Unknown
Last updated
2019-01-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Long term anticoagulation therapy Haematological Disorders Anticoagulation

Interventions

There is one study arm therefore no randomisation. Participants receive a home INR testing machine (Coagucheck XS Machine) and are asked to test their INR using a small blood test and telephone their

Sponsors

Betsi Cadwaladr University Health Board
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. On long-term warfarin 2. Aged 18 years or over

Exclusion criteria

Exclusion criteria: 1. Any individual without capacity to consent to partaking in the pilot e.g. dementia 2. Antiphospholipid syndrome 3. Receiving end-of-life care

Design outcomes

Primary

MeasureTime frame
1. Time in Therapeutic Range (TTR, a recognised measure of warfarin prescription efficacy in clinical practice) is calculated using specialised software called INRStar at 0, 3 and 6 months. 2. Participant experience and acceptability and usability of the INR self-testing machine is assessed by a self-reported questionnaire at 6 months

Secondary

MeasureTime frame
Participant empowerment to self-monitor and better understand their condition is assessed via questionnaire at baseline and at 6 months.

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026