- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT02382731
Interventions to Support Long-Term Adherence aNd Decrease Cardiovascular Events Post-Myocardial Infarction (ISLAND)
Descripción general del estudio
Estado
Condiciones
Intervención / Tratamiento
Descripción detallada
EXECUTIVE SUMMARY
Background: In patients who have had a myocardial infarction (MI) and coronary disease, guidelines recommend cardiac rehabilitation services and the long-term use of cardiac medications to reduce the risk of recurrent cardiovascular events. Adherence to these recommendations substantially reduces morbidity and mortality post-MI. However, for a variety of patient, provider, and system-level reasons, adherence to cardiac medications declines to approximately 50% by 12 months. Likewise, only 30-40% of patients participate in cardiac rehabilitation. Thus, interventions to increase secondary prevention treatment adherence are urgently needed.
The Cardiac Care Network of Ontario (CCN) holds a registry of all patients in the province who have a coronary angiography. The registry has been used to identify gaps in care and to plan health system strategies for high-risk patients. More recently, a pilot trial was conducted in Hamilton by the trial team using data in the registry to send recurrent postal reminders regarding the importance of treatment adherence to patients, their pharmacists, and family physicians. A similar program is underway in Ottawa using automated phone calls with interactive voice response and nurse follow up. These interventions both have the potential to address known determinants of adherence. The CCN, Ministry of Health and Long-Term Care, Health Quality Ontario, and other stakeholders across Ontario are interested in evaluating the comparative effectiveness and costs of these interventions.
Research Questions: The research objectives were formed by the decision makers' need to evaluate whether and in what format to sustain and/or scale-up post-MI educational reminder interventions:
i. Can educational reminders delivered via post and/or using interactive voice response with personalized telephone follow up improve secondary prevention treatment adherence post-MI?
ii. How do different approaches to improve adherence to these recommendations compare in terms of clinical effectiveness and costs?
iii. Which subgroups are more/less likely to respond to reminders?
Research Approach: This is a pragmatic, randomized controlled trial with blinded outcome assessment. Patients in cardiac centres throughout Ontario who undergo a coronary angiography will be provided a letter of information explaining the study appended to the standard CCN letter of information. CCN will identify eligible patients (those with substantial coronary artery disease who survive their initial hospitalization post-MI) and provide the patient list back to the cardiac centre. A representative at the centre will securely send this list to the Population Health Research Institute in Hamilton. Patients will be randomized by the Population Health Research Institute team to one of three arms:
- - Usual care, with no standardized educational materials or reminders
- - Postal letters sent from Population Health Research Institute on behalf of each hospital's interventional cardiology team to the patient approximately 4, 8, 20, 32, and 44 weeks post-MI, with an insert for the family physician and pharmacist at approximately 4 and 8 weeks post-MI.
- - Postal letters as above plus interactive voice response phone calls to the patient delivered approximately 2 weeks after the letters, as well as personalized telephone follow up by trained lay health workers for patients identified by the interactive voice response system as non-adherent.
Patient self-report and administrative data will be used to assess outcomes 12 months post-MI. Analyses will be by intention to treat. The primary outcome is adherence to guideline-recommended treatments. Secondary outcomes include health services utilization (including outpatient visits to interventional cardiology), recurrent cardiovascular events, and mortality. During the trial, a theory-informed process questionnaire will be administered to a random sub-sample. An economic evaluation will be conducted from the perspective of the public health care payer.
Implications: This project has the potential to lead to improvements in care for patients at high cardiovascular risk as well as provide generalizable insights regarding how to optimize interventions to improve adherence. Further, it has the potential to inform how other health databases could be used to improve health system performance.
Tipo de estudio
Inscripción (Actual)
Fase
- No aplica
Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Descripción
Inclusion Criteria:
- Patients aged 18 years and older having a coronary angiography following a myocardial infarction (ST-elevation myocardial infarction or non-ST-elevation myocardial infarction), with evidence of coronary artery disease (>50% blockage of left main or >70% blockage of ≥1 major cardiac arteries).
- Discharged from the catheterization centre alive, either home or to a local (non-cardiac) hospital
- Patients must be Ontario residents
Exclusion Criteria:
- Patients will be excluded if they expire during their hospitalization or if they have cardiogenic shock (Killip Class 4) at the time of their post-MI coronary angiography due to their poor prognosis.(El-Menyar et al., 2012)
- Patients will also be excluded if they require a translator to receive services in English as recorded in the CCN referral form, as it is infeasible to offer the interventions in multiple languages at this stage.
- Patients whose data are not complete and received in time to deliver the first post-procedure intervention will be excluded as they cannot receive the intervention as intended.
- Patients who do not have an Ontario health card number
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
- Propósito principal: Investigación de servicios de salud
- Asignación: Aleatorizado
- Modelo Intervencionista: Asignación paralela
- Enmascaramiento: Único
Armas e Intervenciones
Grupo de participantes/brazo |
Intervención / Tratamiento |
---|---|
Sin intervención: Usual care
Usual care (no intervention)
|
|
Experimental: Usual care + letters
Usual care plus a series of postal educational reminders (including information for patients to share with clinicians)
|
A series of five postal educational reminders sent on behalf of each hospital's interventional cardiology team to the patient approximately 4, 8, 20, 32, and 44 weeks post-MI procedure, with an insert for the family physician and pharmacist at approximately 4 and 8 weeks post-MI procedure.
|
Experimental: Usual care + letters + automated calls
Usual care plus a series of postal educational reminders (including information for patients to share with clinicians), plus automated reminder interactive voice response phone calls to identify patients at being at risk for non-adherence and a trained lay health worker to provide additional support and navigation for such patients via telephone.
|
A series of five postal educational reminders as per the usual care + letters arm plus interactive voice response phone calls to the patient delivered approximately 2 weeks after the letters, as well as personalized telephone follow up by trained lay health workers for patients identified by the interactive voice response system as non-adherent.
The automated algorithm is designed to identify patients who are non-adherent and who may benefit from personalized educational phone call and/or system navigation support by the lay health worker.
Lay health workers will not provide clinical advice.
|
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
---|---|---|
Medication adherence
Periodo de tiempo: 12 months post-MI
|
Number of cardiac medication classes with no missed tablets in last week (ordinal) [patient report]
|
12 months post-MI
|
Cardiac rehabilitation completion
Periodo de tiempo: 12 months post-MI
|
Patient attended at least one of the rehabilitation components and formal re-assessment at the conclusion of the program (dichotomous) [patient report]
|
12 months post-MI
|
Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
---|---|---|
Cardiac rehabilitation attendance
Periodo de tiempo: 12 months post-MI
|
Participation, defined as attending at least one exercise session following enrolment assessment (dichotomous) [patient report]
|
12 months post-MI
|
Quality of life
Periodo de tiempo: 12 months post-MI
|
Seattle Angina Questionnaire-7 [patient report]
|
12 months post-MI
|
Treatment discussion
Periodo de tiempo: 12 months post-MI
|
Adherence to both medication and exercise discussed with providers in last three months (dichotomous) [patient report]
|
12 months post-MI
|
Smoking status
Periodo de tiempo: 12 months post-MI
|
Point-prevalence, smoking any cigarettes in last three months (dichotomous) [patient report]
|
12 months post-MI
|
Medication persistence
Periodo de tiempo: 12 months post-MI
|
Active prescription for ALL recommended medications (dichotomous) [patient report]
|
12 months post-MI
|
Medication persistence
Periodo de tiempo: 12 months post-MI
|
Active prescription for EACH recommended medication (dichotomous) [patient report]
|
12 months post-MI
|
Medication adherence
Periodo de tiempo: 12 months post-MI
|
No missed tablets in last week for ANY recommended medication (dichotomous) [patient report]
|
12 months post-MI
|
Medication adherence
Periodo de tiempo: 12 months post-MI
|
No missed tablets in last month for any recommended medication (dichotomous)[patient report]
|
12 months post-MI
|
Medication adherence
Periodo de tiempo: 12 months post-MI
|
No missed tablets in last month for ANY recommended medication (dichotomous) [patient report]
|
12 months post-MI
|
Medication adherence
Periodo de tiempo: 12 months post-MI
|
Number of missed tablets in last week for EACH recommended medication (continuous, 0 to 28) [patient report]
|
12 months post-MI
|
Medication adherence
Periodo de tiempo: 12 months post-MI
|
Number of missed tablets in last month for each recommended medication (continuous, 0 to 28) [patient report]
|
12 months post-MI
|
Medication adherence
Periodo de tiempo: 12 months post-MI
|
Medication possession ratio > 80% for ALL recommended medications in those 65+ (dichotomous) [administrative data]
|
12 months post-MI
|
Medication adherence
Periodo de tiempo: 12 months post-MI
|
Medication possession ratio > 80% for EACH of the recommended medications in those 65+ (dichotomous) [administrative data]
|
12 months post-MI
|
Medication adherence
Periodo de tiempo: 12 months post-MI
|
Mean medication possession ratio for ALL recommended medications in those 65+ (continuous, 0 to 100) [administrative data]
|
12 months post-MI
|
Medication adherence
Periodo de tiempo: 12 months post-MI
|
Mean medication possession ratio for EACH recommended medication in those 65+ (continuous, 0 to 100) [administrative data]
|
12 months post-MI
|
Cardiovascular event
Periodo de tiempo: 12 months post-MI
|
Coronary bypass surgery or stent or repeat MI (dichotomous) [administrative data]
|
12 months post-MI
|
Mortality
Periodo de tiempo: 12 months post-MI
|
Death during follow-up [administrative data]
|
12 months post-MI
|
Health utilization
Periodo de tiempo: 12 months post-MI
|
Outpatient visits (count) [administrative data]
|
12 months post-MI
|
Health utilization
Periodo de tiempo: 12 months post-MI
|
Emergency Room visits not leading to admission (count) [administrative data]
|
12 months post-MI
|
Health utilization
Periodo de tiempo: 12 months post-MI
|
Hospitalizations (count) [administrative data]
|
12 months post-MI
|
Colaboradores e Investigadores
Patrocinador
Colaboradores
Investigadores
- Investigador principal: Noah Ivers, Women's College Hospital
- Investigador principal: John-David Schwalm, Population Health Research Institute
- Investigador principal: Madhu Natarajan, Population Health Research Institute
- Investigador principal: Jeremy Grimshaw, Ottawa Hospital Research Institute
Publicaciones y enlaces útiles
Publicaciones Generales
- El-Menyar A, Zubaid M, AlMahmeed W, Sulaiman K, AlNabti A, Singh R, Al Suwaidi J. Killip classification in patients with acute coronary syndrome: insight from a multicenter registry. Am J Emerg Med. 2012 Jan;30(1):97-103. doi: 10.1016/j.ajem.2010.10.011. Epub 2010 Dec 14.
- McCleary N, Ivers NM, Schwalm JD, Witteman HO, Taljaard M, Desveaux L, Bouck Z, Grace SL, Grimshaw JM, Presseau J. Impacts of two behavior change interventions on determinants of medication adherence: process evaluation applying the health action process approach and habit theory alongside a randomized controlled trial. J Behav Med. 2022 Oct;45(5):659-673. doi: 10.1007/s10865-022-00327-0. Epub 2022 May 20.
- Desveaux L, Saragosa M, Russell K, McCleary N, Presseau J, Witteman HO, Schwalm JD, Ivers NM. How and why a multifaceted intervention to improve adherence post-MI worked for some (and could work better for others): an outcome-driven qualitative process evaluation. BMJ Open. 2020 Sep 3;10(9):e036750. doi: 10.1136/bmjopen-2019-036750.
- Ivers NM, Schwalm JD, Bouck Z, McCready T, Taljaard M, Grace SL, Cunningham J, Bosiak B, Presseau J, Witteman HO, Suskin N, Wijeysundera HC, Atzema C, Bhatia RS, Natarajan M, Grimshaw JM. Interventions supporting long term adherence and decreasing cardiovascular events after myocardial infarction (ISLAND): pragmatic randomised controlled trial. BMJ. 2020 Jun 10;369:m1731. doi: 10.1136/bmj.m1731.
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio
Finalización primaria (Actual)
Finalización del estudio (Actual)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Estimar)
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Términos MeSH relevantes adicionales
Otros números de identificación del estudio
- #06683
Plan de datos de participantes individuales (IPD)
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