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- Ensaio Clínico NCT03414190
Impact of Text Messages to Promote Secondary Prevention After Acute Coronary Syndrome (IMPACS)
Impact of a Mobile Phone Text Messages Intervention on the Secondary Prevention of Cardiovascular Events After Acute Coronary Syndrome
Visão geral do estudo
Status
Condições
Intervenção / Tratamento
Descrição detalhada
Purpose of the trial: The purpose of the study is to evaluate the effectiveness of automated mobile phone text message-based intervention for secondary prevention after acute coronary syndrome hospitalization.
Trial design: Two-parallel arm, single-blind, block randomization.
Primary endpoint: The proportion achieving guideline levels of modifiable risk factors (LDL-C <70mg/dL, blood pressure <140/90 mm Hg, exercising regularly [≥5 d/wk × 30minutes of moderate exercise per session], nonsmoker status, and BMI <25). The investigators prespecified in the statistical analysis plan the efficacy variable of proportion achieving combined risk factor control (achieving risk factor targets in 4 or more of the 5 modifiable risk factors listed above) as a measure of a multiple risk factor effect.
Secondary endpoints: The plasma LDL-C level at 6 months, Level of physical activity, Blood Pressure, Medication adherence measured via Morisky scale, Proportion of non-smokers, Body mass index (BMI), Rates death and hospitalization up to 6 months.
Duration of follow-up: 6 months
Trial treatment:
Intervention: The treatment group will receive the usual discharge treatment, instructions and information for acute coronary syndrome patients as well as the text-messaging intervention. The program will include a variety of topics such as standard follow-up care reminders as well as general self-management and healthy living habits texts. There will be four streams: one for patients who are non-smokers and are free of diabetes; one for current/recent smokers; one for diabetic patients; and one for smoker and diabetic patients. Texts will be sent out 4 times per week for 180 days. All participants in the same stream will receive the same texts in the same order.
Control: The usual care group will receive standard discharge treatment, instructions, and information for patients with acute coronary syndrome. The participants will also receive SMS thanking for their participation in the trial, reminders of trial appointment and informing if they have changed contact details. The frequency of this SMS will be monthly.
Expected sample size, enrollment and expected number of centers:
Sample size = 160 Recruitment start date: November, 2017 Recruitment end date: May, 2019 Follow-up end date: November, 2019 Number of centers: 1
Statistical considerations:
- Intention to treat analysis
- The trial has >90% power (2 sided alpha = 0.05) to detect 15% difference in achieving risk factor targets in 4 or more of the 5 modifiable risk factors listed.
Tipo de estudo
Inscrição (Antecipado)
Estágio
- Não aplicável
Contactos e Locais
Locais de estudo
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MG
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Belo Horizonte, MG, Brasil, 30575210
- Recrutamento
- Luiz Guilherme Passaglia
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Contato:
- Luiz G Passaglia, master's
- Número de telefone: 3199038674
- E-mail: lg.passaglia@uol.com.br
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Investigador principal:
- Luiz G Passaglia, M.D.
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Investigador principal:
- Antônio LP Ribeiro, M.D., Ph.D
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Subinvestigador:
- Luisa CC Brant, M.D., Ph.D
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Subinvestigador:
- Bruno R Nascimento, M.D., Ph.D.
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Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
Inclusion Criteria:
- Consecutive patients who have been hospitalized at the UFMG's University Hospital with primary or secondary diagnosis of Acute Coronary Syndrome and are discharged for outpatient follow-up;
- Age ≥ 18 years, of both sexes;
- Patients who are able to receive text messages by their own mobile phone.
Exclusion Criteria:
- Refusal or inability to sign the Informed Consent.
- Complete illiteracy.
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Cuidados de suporte
- Alocação: Randomizado
- Modelo Intervencional: Atribuição Paralela
- Mascaramento: Solteiro
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
|---|---|
|
Experimental: Experimental
Automated semi-personalized mobile phone text message-based intervention for secondary prevention plus usual care.
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The treatment group will receive the usual discharge treatment, instructions and information for acute coronary syndrome patients as well as the text-messaging intervention.
The program will include a variety of topics such as standard follow-up care reminders as well as general self-management and healthy living habits texts.
There will be four streams: one for patients who are non-smokers and are free of diabetes; one for current/recent smokers; one for diabetic patients; and one for smoker and diabetic patients.
Texts will be sent out 4 times per week for 180 days.
All participants in the same stream will receive the same texts in the same order.
The usual care group will receive standard discharge treatment, instructions, and information for patients with acute coronary syndrome.
They will also receive simple and short text messages related to the importance of trial participation.
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Sem intervenção: No Intervention
Usual Care
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O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
|
Escore of combined risk factor control
Prazo: 6 months
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The proportion achieving guideline levels of modifiable risk factors (LDL-C <77mg/dL, blood pressure <140/90 mm Hg, exercising regularly [≥5 d/wk × 30minutes of moderate exercise per session], nonsmoker status, and BMI <25).
We prespecified in the statistical analysis plan the efficacy variable of proportion achieving combined risk factor control (achieving risk factor targets in 4 or more of the 5 modifiable risk factors listed above) as a measure of a multiple risk factor effect
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6 months
|
Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Plasma LDL-C level
Prazo: 6 months
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Fasting blood sample
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6 months
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Level of physical activity (measured via
Prazo: 6 months
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Measured by research blinded to treatment allocation - The level of physical activity will be mensured by the International Physical Activity Questionnaire Short Form (IPAQ-SF) and it will be validated in one-fifth of the participants by using accelerometers
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6 months
|
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Blood Pressure
Prazo: 6 months
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Measured by research blinded to treatment allocation - 3 resting, sitting digital recordings, mean of last 2 readings
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6 months
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Proportion of non-smokers
Prazo: 6 months
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Measured by research blinded to treatment allocation - Self-reported smoking / quitting attempts will be confirmed with a Carbon Monoxide Meter Breath Test
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6 months
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Body mass index (BMI)
Prazo: 6 months
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Measured by research blinded to treatment allocation
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6 months
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Medication adherence (measured via "Medida de adesão aos tratamentos" - MAT)
Prazo: 6 months
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Measured by research blinded to treatment allocation It is an instrument composed of seven items that evaluate the behavior of the individual in relation to daily use of medicines.
The answers are obtained by means of a six-point ordinal scale that varies from always (1) to never (6).
The values obtained with the answers to the seven items are summed and divided by the number of items (values vary from 1 to 6).
Subsequently, values 5 and 6 are computed as one (adherent) and the others are computed as zero (non-adherent).
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6 months
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Death from any cause
Prazo: 6 months
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Medical records and database
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6 months
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Rehospitalization
Prazo: 6 months
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Self-report, medical records and database
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6 months
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Cardiovascular death
Prazo: 6 months
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Medical records and database
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6 months
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Colaboradores e Investigadores
Patrocinador
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo (Real)
Conclusão Primária (Antecipado)
Conclusão do estudo (Antecipado)
Datas de inscrição no estudo
Enviado pela primeira vez
Enviado pela primeira vez que atendeu aos critérios de CQ
Primeira postagem (Real)
Atualizações de registro de estudo
Última Atualização Postada (Real)
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última verificação
Mais Informações
Termos relacionados a este estudo
Palavras-chave
Termos MeSH relevantes adicionais
Outros números de identificação do estudo
- CEP1.883.227
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