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QAASM: an evaluation of three methods of external quality assurance for patient self-management of oral anticoagulation

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN35571063
Enrollment
260
Registered
2003-02-11
Start date
2000-08-01
Completion date
Unknown
Last updated
2015-01-13

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

Conditions

Anticoagulant therapy Haematological Disorders Anticoagulant therapy

Interventions

Patients from the SMART trial (Self-management of warfarin: a randomised trial) will be randomly allocated to two main groups at practice level for supervised or non-supervised External Quality Contro

Sponsors

Medical Research Council (MRC) (UK)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients aged 18 or over 2. A long term (greater than 12 months) indication for oral anticoagulation 3. Have taken warfarin for at least six months 4. Are willing (or in the case of dependent patients both they and their carer are willing) to participate in the study

Exclusion criteria

Exclusion criteria: 1. Patients with a short-term indication (less than 12 months) for warfarin therapy 2. Aged under 18 years 3. Housebound patients 4. Patients confined to a nursing home

Design outcomes

Primary

MeasureTime frame
Difference in treatment related quality of life scores between non supervised and supervised EQA models

Secondary

MeasureTime frame
1. Comparison of EQA results between three models of EQA 2. Comparison of therapeutic INR control in terms of the percentage of time spent within therapeutic range 3. Cost comparison of EQA models

Countries

United Kingdom

Outcome results

None listed

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