Patient-Centred Care for Warfarin Management: A Pilot Study to Transition Care to High Risk Patients
Studienübersicht
Status
Status
Bedingungen
Bedingungen
Intervention / Behandlung
Intervention / Behandlung
Detaillierte Beschreibung
50 patients will receive a cover letter outlining their random selection for this study, along with the patient information sheet and consent form (with a return addressed, postage paid envelope). Patients will be encouraged to contact the AC and speak with the Principal Investigator (TB) regarding the research study, and all questions will be addressed. We will continue this mailing process until a total of 50 patients have consented to study. PSM within the context of this study may use either POC technology or standard venipuncture with the patient accessing the laboratory for results. After receipt of consent, patients will be required to pass a foundational exam (outlining the basics of anticoagulation therapy, most of which should be simple review for the patients managed within our AC).4,10 Upon successfully passing this multiple choice exam, patients will be randomized to AC care (with no changes implemented) or to PSM.
PSM Phase I: Preparatory Phase of Patient Training (~6weeks) During the initial preparatory phase lasting 6 weeks + 2 weeks, the AC will create a patient specific warfarin dosing nomogram, discuss the same with the patient and ensure clear understanding, while working through various scenarios with the patient (Appendix 1). The AC will ensure the patient has an established system to both retrieve INR results (via POC technology or standard venipuncture) as well as to document the INR results, warfarin dosing, any pertinent assessment factors, and next date to test the INR. The AC will empower the patient to be proactive with coming up with warfarin dose changes during this preparatory phase.
PSM Phase II: Patient Practical Training:
The AC will enrol the patient into the PSM practical training phase (lasting 3 months + 1 month). At this time, the patient will retrieve their result and establish a future warfarin dose and follow-up plan. This information will be transmitted to a single AC team member. Contact with anotherdiscussed with an AC team member and the ultimate dosing decision will be tracked to ascertain concordance of the patient's original plan to what was implemented during the follow-up visit with the to perform standard AC teamcare and management will occur, thereby enabling comparison of the patient's plan and the AC plan. During this phase, the AC plan will be implemented. At the end of this phase, patients must pass a multiple choice exam that provides practical cases targeting warfarin dose adjustment with next scheduled follow-up visit, and will then be positioned into the PSM arm of the study.
Patient Self-Management During the PSM phase (6 months +/- 1 month), contact will occur with the AC monthly to retrieve INR results and warfarin dose adjustments (information from the patient-based charting system). Key points of contact between the patient and the AC will be required, such as: INR results either > 5.0 or 0.5 INR units below the lower limit of their desired target INR range, initiation of interacting medications, illness, etc. Patients not demonstrating the ability to self-manage their own warfarin therapy will be encouraged to cross-over to AC care. At the end of 6 months, patient choice of AC care or PSM will be identified.
Studientyp
Studientyp
Einschreibung (Tatsächlich)
Einschreibung
Phase
Phase
- Unzutreffend
Kontakte und Standorte
Studienorte
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-
Alberta
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Edmonton, Alberta, Kanada, T6G 2J3
- University of Alberta
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-
Teilnahmekriterien
Zulassungskriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
Inclusion Criteria:
- mechanical heart valve as the indication for warfarin
- > 16 years of age
- Warfarin therapy managed by the AC for at least the preceding 6 months
- Anticipated duration of warfarin therapy to be lifelong
- Previously adherent with medication
- Competence judged by demonstrated ability to use drug-adjustment nomograms
Exclusion Criteria:
• Severe psychiatric disease
- Significant language barrier
- Clinician's judgment that the patient would be a poor candidate for study (with reason specified)
- Known or anticipated procedure/surgery/intervention in the next year
- Active participation in another study
- Lack of access to the internet / email
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Versorgungsforschung
- Zuteilung: Zufällig
- Interventionsmodell: Parallele Zuordnung
- Maskierung: Keine (Offenes Etikett)
Anzahl der Arme
Waffen und Interventionen
Teilnehmergruppe / ArmTeilnehmergruppe / Arm |
Intervention / BehandlungIntervention / Behandlung |
|---|---|
|
Experimental: Patient Self-Management
Patients will go through a preparatory phase (creation of warfarin dosing chart, process for documentation and retrieval of labs), a practical training phase (formulate warfarin management plan with support) and then perform patient-self management of their own warfarin.
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Patient will manage their own warfarin therapy.
|
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Kein Eingriff: Anticoagulation Clinic Care
Patients will not have their care altered, and will continue to be managed by our Anticoagulation Clinic.
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Was misst die Studie?
Primäre Ergebnismessungen
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
|
The change in quality of life score (using the validated instruments DASS and Sawicki scale) between PSM and AC care.
Zeitfenster: 6 months
|
Duke Anticoagulation Satisfaction Scale (DASS) and Sawicki Scale
|
6 months
|
Sekundäre Ergebnismessungen
Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
|
The proportion of patients completing PSM
Zeitfenster: 9 months
|
Beginning from consent and capturing stage at which patients withdrew (if applicable) namely the preparatory and practical training phases or PSM as well as those electing to continue PSM after study
|
9 months
|
|
Difference in the time in therapeutic INR range between those randomized to AC care versus PSM.
Zeitfenster: 6 months
|
Time in range will be calculated using the Rosendaal method.
|
6 months
|
|
The rate of ER and hospitalization for anticoagulant and non-anticoagulant reasons between AC care and PSM.
Zeitfenster: 6 months
|
presentations to hospital
|
6 months
|
|
The amount of time spent by the AC team for the AC group relative to the PSM group.
Zeitfenster: 9 months
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the number of minutes taken for each arm, as a measure of resource use within the AC team.
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9 months
|
|
Amongst the PSM group, to determine if strategies for self-managing warfarin therapy have made patients do so for other chronic diseases.
Zeitfenster: 6 months
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a descriptive measure of translation of proactive management
|
6 months
|
|
Number of participants in AC care vs PSM that are dead at 5 years.
Zeitfenster: 5 years following study completion
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mortality measure
|
5 years following study completion
|
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Number of encounters in the PSM group that put forward warfarin dosing that is concordant with that of the AC and to provide descriptions of warfarin dose changes.
Zeitfenster: 3 months
|
assessed prior to entering the PSM phase
|
3 months
|
Mitarbeiter und Ermittler
Sponsor
Sponsor
Ermittler
Ermittler
- Hauptermittler: Tammy Bungard, BSP, PharmD, University of Alberta
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn (Tatsächlich)
Studienbeginn
Primärer Abschluss (Tatsächlich)
Primärer Abschluss
Studienabschluss (Tatsächlich)
Studienabschluss
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Tatsächlich)
Zuerst gepostet
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Tatsächlich)
Letztes Update gepostet
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Andere Studien-ID-Nummern
Andere Studien-ID-Nummern
- Pro00052090
Plan für individuelle Teilnehmerdaten (IPD)
Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?
Arzneimittel- und Geräteinformationen, Studienunterlagen
Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt
Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt
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