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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT04622514
Other study ID # 2020-SR-027
Secondary ID
Status Active, not recruiting
Phase N/A
First received
Last updated
Start date December 1, 2020
Est. completion date May 30, 2024

Study information

Verified date October 2023
Source The First Affiliated Hospital with Nanjing Medical University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This cluster randomization study aims to compare the village-doctor led telemedicine integrated care versus usual care to improve compliance with the Atrial Fibrillation Better Care (ABC) pathway components and outcomes for older patients with atrial fibrillation in rural China.


Description:

BACKGROUND Atrial fibrillation(AF) prevalence increases sharply with age, and the risk of stroke, dementia, heart failure and death increases significantly. Integrated care for atrial fibrillation patients using simple ABC pathway ('A' Avoid stroke; 'B' Better symptom management; 'C' Cardiovascular and Comorbidity optimization) is associated with a lower risk of adverse outcomes included all-cause death, composite outcome of stroke/major bleeding/cardiovascular death, and first hospitalization. In China, the prevalence of AF is high, but older people living in rural areas are more vulnerable due to low awareness and treatment gaps caused by various factors. China's rural healthcare system, which is primarily reliant on village doctors, falls short of providing optimal management for AF. To support village doctors in providing integrated care for AF, we have developed a digital health support platform. However, the role of this novel telemedicine-based integrated care for AF patients in rural China remains unclear. AIM OF THIS STUDY This cluster randomization study aims to compare the village-doctor led telemedicine integrated care versus usual care to improve outcome of older patients with atrial fibrillation in rural China. DESIGN The MIRACLE-AF China trial is a perspective, cluster randomization clinical trial performed in rural China. We aim to include a minimum of 1000 patients with AF aged 65 years or above from around more than 30 village clinics. Follow-up duration of this study is up to 3 years and all patients are followed up every 3 months by rural doctors. Village clinics will be randomized to either the intervention group (the village-doctor led telemedicine integrated care) or the control group (enhanced usual care).


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 1000
Est. completion date May 30, 2024
Est. primary completion date May 30, 2024
Accepts healthy volunteers No
Gender All
Age group 65 Years and older
Eligibility Inclusion Criteria: 1. The village clinics need to be willing and able to provide integrated care to their patients with atrial fibrillation; 2. The village doctors from one village clinic serves all AF patients from 3-5 nearby villages; 3. The village doctors are trained to have a fundamental understanding of telemedicine; 4. Patients are eligible for participation if 1) they are aged 65 years or above; 2) they are diagnosed atrial fibrillation by an ECG, AF specialist, or hospital discharge letter; 3) they agree to receive the medical care provided by village clinics; 4) they provide written informed consent. - Exclusion Criteria: 1. Moderate to severe rheumatic mitral stenosis or heart valve replacement history. 2. Presence of ICD or CRT device. 3. Cardiac ablation or surgery <3 months prior to inclusion or being planned. 4. Pulmonary vein isolation or left atrial appendage occlusion history or plan to perform any of the above operations. 5. The life expectancy is less than 1 year. 6. Participation in other clinical trials. -

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Village doctor-led telemedicine integrated care
1. Reorienting the model of care: using of telemedicine platform and online consulting clinic; 2. Coordinating services: contract service by village doctor and on-line AF specialist; 3. Empowering and engaging people: provide village doctor ABC pathway training course; regular visit and drug delivery by village doctor (community support); patients and their family members education.
Enhanced usual care
1. Usual care; 2. Intensified education to patients, their family members, and their village doctors.

Locations

Country Name City State
China The First Affiliated Hospital of Nanjing Medical University Nanjing Jiangsu

Sponsors (2)

Lead Sponsor Collaborator
The First Affiliated Hospital with Nanjing Medical University University of Liverpool

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Primary Outcome of Stage 1: The proportion of patients who met all the three criteria for the ABC pathway of integrated AF care The 'A' criterion referred to stroke prevention or anticoagulation. 'A criterion compliant' implies that either appropriate non-vitamin K antagonist oral anticoagulant (NOACs) use, or warfarin was used with a time in the therapeutic range (TTR) >65%. Patients who were not properly treated with OACs are considered as 'A non-compliant'. The 'B' criterion referred to better symptom control with patient-centered decisions on rate or rhythm control. Patients with an EHRA score of I or II are considered to have good control of AF symptoms ('B compliant'). On the contrary, those with an EHRA score of III or IV were defined as 'B non-compliant', which means their symptoms were insufficiently controlled. The 'C' criterion stands for optimal management of cardiovascular risk factors and other comorbidities. 'C criterion compliant' implies that all the considered risk factors and comorbidities were well controlled or optimally treated. Otherwise, patients were considered as 'C non-compliant' 12 months after baseline
Primary Primary Outcome of Stage 2: The composite of cardiovascular death, all stroke, worsening of heart failure or acute coronary syndrome, and emergency visits due to AF Cardiovascular death was defined as death attributable to myocardial infarction, heart failure, arrhythmia, cardiac perforation or tamponade, or other deaths of cardiac origin. Death caused by ischemic stroke, hemorrhagic stroke, peripheral embolism, and pulmonary embolism was also classified as cardiovascular death. All strokes included ischemic stroke and hemorrhagic stroke. A worsening of heart failure or acute coronary syndrome was defined as the need to be hospitalized or have an emergency visit in conjunction with these conditions 36 months after baseline
Secondary Secondary Outcome of Stage 1: The proportions of patients who meet the criterion for the A component in the ABC pathway The 'A' criterion referred to stroke prevention or anticoagulation. Thus, 'A criterion compliant' implies that either appropriate non-vitamin K antagonist oral anticoagulant (NOACs) use, or warfarin was used with a time in the therapeutic range (TTR) >65%. Patients who were not properly treated with OACs are considered as 'A non-compliant' 12 months after baseline
Secondary Secondary Outcome of Stage 1: The proportions of patients who meet the criterion for the B component in the ABC pathway The 'B' criterion referred to better symptom control with patient-centered decisions on rate or rhythm control. Patients with an European Heart Rhythm Association (EHRA) score of I or II are considered to have good control of AF symptoms ('B compliant'). On the contrary, those with an EHRA score of III or IV were defined as 'B non-compliant', which means their symptoms were insufficiently controlled 12 months after baseline
Secondary Secondary Outcome of Stage 1: The proportions of patients who meet the criterion for the C component in the ABC pathway The 'C' criterion stands for optimal management of cardiovascular risk factors and other comorbidities. 'C criterion compliant' implies that all the considered risk factors and comorbidities were well controlled or optimally treated. Otherwise, patients were considered as 'C non-compliant' 12 months after baseline
Secondary Secondary Outcome of Stage 2: All-cause mortality all-cause death 36 months after baseline
Secondary Secondary Outcome of Stage 2: Cardiovascular death Cardiovascular death was defined as death attributable to myocardial infarction, heart failure, arrhythmia, cardiac perforation or tamponade, or other deaths of cardiac origin. Death caused by ischemic stroke, hemorrhagic stroke, peripheral embolism, and pulmonary embolism was also classified as cardiovascular death 36 months after baseline
Secondary Secondary Outcome of Stage 2: Ischemic or hemorrhagic Stroke All strokes: ischemic or hemorrhagic Stroke 36 months after baseline
Secondary Secondary Outcome of Stage 2: Worsening of heart failure or acute coronary syndrome A worsening of heart failure or acute coronary syndrome was defined as the need to be hospitalized or have an emergency visit in conjunction with these conditions 36 months after baseline
Secondary Secondary Outcome of Stage 2: Emergency visit due to AF Emergency visit due to AF 36 months after baseline
Secondary Secondary Outcome of Stage 2: Major bleeding Major bleeding was defined as fatal bleeding, bleeding in a critical area or organ, or clinically overt bleeding leading to a decrease in the hemoglobin level =2 g/dl or transfusion of =2 units of packed red cells 36 months after baseline
Secondary Secondary Outcome of Stage 2: Clinically relevant non-major bleeding Clinically relevant non-major bleeding referred to bleeding that does not meet the criteria for the ISTH definition of major bleeding but is clinically overt bleeding associated with hospital admission, physician-guided medical or surgical treatment, or a change in antithrombotic therapy. 36 months after baseline
Secondary Secondary Outcome of Stage 2: The proportion of patients who met all the three criteria for the ABC pathway of integrated AF care The 'A' criterion referred to stroke prevention or anticoagulation. 'A criterion compliant' implies that either appropriate non-vitamin K antagonist oral anticoagulant (NOACs) use, or warfarin was used with a time in the therapeutic range (TTR) >65%. Patients who were not properly treated with OACs are considered as 'A non-compliant'. The 'B' criterion referred to better symptom control with patient-centered decisions on rate or rhythm control. Patients with an EHRA score of I or II are considered to have good control of AF symptoms ('B compliant'). On the contrary, those with an EHRA score of III or IV were defined as 'B non-compliant', which means their symptoms were insufficiently controlled. The 'C' criterion stands for optimal management of cardiovascular risk factors and other comorbidities. 'C criterion compliant' implies that all the considered risk factors and comorbidities were well controlled or optimally treated. Otherwise, patients were considered as 'C non-compliant' 36 months after baseline
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