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Prognosis Prediction and Shared Decision-Making for Personalized Anticoagulant Therapy after Unprovoked Venous
Francis Couturaud1,2, David Jiménez3, Olivier Sanchez4
1Brest University Hospital Centre, Department of Internal Medicine and Chest Diseases, Bretagne, France, Brest.
Background:
In patients with unprovoked venous thromboembolism (VTE), indefinite anticoagulation is recommended to prevent recurrence but may expose some patients to unnecessary long-term bleeding risk. Current clinical scores and biomarkers have limited discriminative performance, do not capture the time-dependent nature of VTE, and do not incorporate patients' perspectives or support shared decision-making.
Objectives:
To develop and validate time-dependent, multicomponent risk prediction scores and socio-anthropological scales (TDMI) integrated in a shared decision-making process to optimize long-term anticoagulation management after unprovoked VTE.
Methods:
MORPHEUS is an international, multidisciplinary research programme conducted in eight European countries. The TDMI will combine clinical, biological, imaging, and pharmacological biomarkers with socio-anthropological scales reflecting patients' lived experiences, preferences, and perceptions of risk. Candidate components will be identified through systematic literature review, Delphi consensus, qualitative interviews with patients and physicians, and pooled analyses of large prospective European VTE cohorts including clinical outcomes, biobanks, and imaging data. Dynamic, multi-level, time-dependent prediction models for recurrent VTE and anticoagulant-related bleeding will be derived using advanced statistical and machine-learning approaches. The clinical effectiveness and acceptability of TDMI integrated in a shared decision-making process will be evaluated in a stepped-wedge cluster randomized trial enrolling 2,400 patients with a first unprovoked VTE.
Results:
The TDMI is expected to improve individualized risk stratification, reduce unnecessary extended anticoagulation, lower bleeding complications, and improve patient satisfaction, treatment adherence, and quality of life.
Conclusion:
The MORPHEUS project will support personalized anticoagulation decisions and improve long-term outcomes in patients after unprovoked VTE.
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