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Behavioral Intervention to Increase Physical Activity in Patients With Asthma

13 de abril de 2020 atualizado por: University of Sao Paulo General Hospital

Effects of Behavioral Intervention to Increase Physical Activity on the Asthma Clinical Control: a Randomized Controlled Trial

The health benefits of physical activity (PA) are well documented and include improving in cardiovascular, obesity, mental health and all-cause mortality. Although higher levels of activity in patients with asthma are also associated with better outcomes, patients still avoid physical activity due to concern about exacerbating their asthma symptoms by the exercise induced bronchoconstriction (EIB), sustaining a vicious cycle of inactivity and worse asthma control. Many studies have reported the benefits of supervised exercise training on several asthma outcomes, such as exacerbations, asthma control, cardiopulmonary fitness, airway inflammation and psychosocial symptoms; however, the translation of the improvements in the exercise capacity into increments in PA levels is less evident and still controversial. Therefore, the hypothesis of this study is that behavioural interventions using strategies based on well-established psychosocial models are effective in increasing physical activity levels and decrease sedentary behaviour in adults with asthma, which will be associated with improvements in the asthma control.

Visão geral do estudo

Status

Concluído

Condições

Intervenção / Tratamento

Descrição detalhada

This is prospective and randomized controlled trial (RCT) with 2 arms and blinded outcome assessments. Forty-six moderate or severe patients with asthma under optimized medication will be randomly assigned (computer-generated) into either Control Group (CG) or Intervention Group (IG). Both groups will receive similar educational program. However, only the IG will be submitted to the behavioral intervention through physical activity counseling program combined with a monitoring-and-feedback tool aiming to increase physical activity levels (total of 8 weekly goal-setting consultation, face-to-face, each lasting 40 minutes). Before and after the interventions, clinical control of asthma, physical activity levels, health-related quality of life, asthma exacerbation, levels of anxiety and depression symptoms and anthropometric indices will be assessed. Data about onset of asthma, comorbidities, lung function and asthma medication will be collected from the patient's medical record. The data normality will be analyzed by Kolmogorov-Smirnov, and a two-way ANOVA with repeated measures with appropriate post hoc of Holm-sidak will be used to compare inter and intra-groups differences. The significance level will be set to 5% for all tests.

Tipo de estudo

Intervencional

Inscrição (Real)

46

Estágio

  • Não aplicável

Contactos e Locais

Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.

Locais de estudo

  • Brasil
      • São Paulo, Brasil, 05360-160
        • Clinical Hospital of São Paulo University medical school (HCFMUSP)

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

18 anos a 60 anos (Adulto)

Aceita Voluntários Saudáveis

Não

Gêneros Elegíveis para o Estudo

Tudo

Descrição

Inclusion Criteria:

  • Asthma moderate and severe with diagnosed according to the Global Initiative for Asthma (GINA) 2018
  • Poorly controlled asthma (ACQ score > 1.5)
  • Sedentary (< 150 min of moderate to vigorous physical activity/week)
  • Medical treatment, for at least 6 months
  • Clinically stable (i.e., no exacerbation or changes in medication for at least 30 days)

Exclusion Criteria:

  • Cardiovascular, musculoskeletal or other chronic lung diseases
  • Active Cancer
  • Pregnant
  • Uncontrolled hypertension or diabetes
  • Current smoker or ex smoker (>10 pack-years)
  • Psychiatric disease or cognitive deficit

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Finalidade Principal: Tratamento
  • Alocação: Randomizado
  • Modelo Intervencional: Atribuição Paralela
  • Mascaramento: Dobro

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Comparador Ativo: Intervention Group (IG)
The intervention of active comparator will be education program plus behavioral intervention through physical activity counseling program combined with a monitoring-and-feedback tool.
Outro: Education Program
The educational program will consist of 2 classes held once a week, each lasting 90 minutes. The classes will be based on an education videotape, presentations and group discussions. The first class will address the asthma education, which will include information about the pathophysiology of asthma, medication and peak flow meter instructions, self-monitoring techniques, environmental control techniques and avoidance strategies. The second class will be about the current international physical activity recommendations and the importance and benefits of being physically active and maintain a healthy lifestyle.
Comportamental: Behavioral intervention
The behavioural intervention will be performed in 8 weekly goal-setting consultation, face-to-face, each lasting 40 minutes. Patients will be offered a commercially-available activity tracker to wear during 3 days prior to each consultation. According to their own PA data and the behavioural change stage, an individual action plan will be established with realistic goals to increase PA. Each participant will receive individual counselling with the goal of increasing participation in PA and reducing their sedentary time. Techniques such as weekly goal-setting, motivational interviewing, activity tracker vibration instructions, self-management, positive reinforcement, relapse prevention and strategies to overcome barriers will be included.
Comparador Falso: Control Group (CG)
The intervention of sham comparator will be an education program in asthma and physical activity recommendations.
Outro: Education Program
The educational program will consist of 2 classes held once a week, each lasting 90 minutes. The classes will be based on an education videotape, presentations and group discussions. The first class will address the asthma education, which will include information about the pathophysiology of asthma, medication and peak flow meter instructions, self-monitoring techniques, environmental control techniques and avoidance strategies. The second class will be about the current international physical activity recommendations and the importance and benefits of being physically active and maintain a healthy lifestyle.

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Change in asthma clinical control
Prazo: Change from baseline asthma clinical control at 8 weeks of intervention
Clinical control will be evaluated by the Asthma Control Questionnaire (ACQ). The ACQ contains 7 items rated on a 7-point scale (0 = without limitation, 6 = maximum limitation), with a higher score indicating worse control. Scores lower than 0.75 are associated with good asthma control, whereas scores greater than 1.5 are indicative of poorly controlled asthma, and a change of at least 0.5 points in the ACQ score is regarded as clinically significant.
Change from baseline asthma clinical control at 8 weeks of intervention

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Change in physical activity levels
Prazo: Change from baseline physical activity levels at 8 weeks of intervention
Physical activity and sedentary behaviour will be objectively quantified using a movement sensor (ActiGraph, Pensacola, USA) for 7 consecutive days on the hip using an elastic belt. Sedentary behaviour will be quantify by the time spent sedentary (< 100 counts/min).
Change from baseline physical activity levels at 8 weeks of intervention
Change in health related quality of life
Prazo: Change from baseline health related quality of life at 8 weeks of intervention
Health related quality of life will be assessed by Asthma Quality Life Questionnaire (AQLQ). The AQLQ consists of 32 items rated on a 7-point scale (1 = great deal, 7 = not at all) divided into the following 4 domains: activity limitations, symptoms, emotional function and environmental stimuli. Higher AQLQ scores indicate a better quality of life, and treatments resulting in a 0.5-point increase in scores following an intervention are considered to be clinically effective.
Change from baseline health related quality of life at 8 weeks of intervention
Change in asthma exacerbation
Prazo: Change from baseline asthma exacerbation at 8 weeks of intervention
Asthma exacerbation will be assessed by the following criteria: the use of ≥4 puffs of rescue medication per 24 hours during a 48-hour period, a need for systemic corticosteroids, an unscheduled medical appointment, and either a visit to an emergency room or hospitalization
Change from baseline asthma exacerbation at 8 weeks of intervention
Change in sleep quality
Prazo: Change from baseline sleep quality at 8 weeks of intervention
Sleep quality will be objectively quantified using a movement sensor (ActiGraph, Pensacola, USA) for 7 consecutive nights on the wrist (non-dominant side).
Change from baseline sleep quality at 8 weeks of intervention

Outras medidas de resultado

Medida de resultado
Descrição da medida
Prazo
Pulmonary function
Prazo: At baseline
Lung volumes will be assessed by spirometry
At baseline
Change in anthropometric indexes
Prazo: Change from baseline anthropometric indexes at 8 weeks of intervention
Height (m) and weight (kg) will be combined to report BMI (kg/m^2)
Change from baseline anthropometric indexes at 8 weeks of intervention
Change in body composition
Prazo: Change from baseline body composition at 8 weeks of intervention
Waist circumference (cm) and hip circumference (cm) will be combined to report wait to hip ratio (WHR)
Change from baseline body composition at 8 weeks of intervention
Change in psychosocial symptoms
Prazo: Change from baseline psychosocial symptoms at 8 weeks of intervention
Symptoms of anxiety and depression symptoms will be assessed by the Hospital Anxiety and Depression scale (HADs), which consists of 14 items divided into 2 subscales (7 for anxiety and 7 for depression). Each item is scored from 0 to 3, with a maximum score of 21 points for each subscale. A score greater than 8/9 in each subscale suggests a diagnosis of either anxiety and/or depression.
Change from baseline psychosocial symptoms at 8 weeks of intervention

Colaboradores e Investigadores

É aqui que você encontrará pessoas e organizações envolvidas com este estudo.

Patrocinador

University of Sao Paulo General Hospital

Colaboradores

University of Sao Paulo
Fundação de Amparo à Pesquisa do Estado de São Paulo

Investigadores

  • Diretor de estudo: Celso RF Carvalho, PhD, University of Sao Paulo General Hospital

Publicações e links úteis

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Publicações Gerais

Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo (Real)

5 de outubro de 2018

Conclusão Primária (Real)

27 de agosto de 2019

Conclusão do estudo (Real)

30 de novembro de 2019

Datas de inscrição no estudo

Enviado pela primeira vez

4 de outubro de 2018

Enviado pela primeira vez que atendeu aos critérios de CQ

8 de outubro de 2018

Primeira postagem (Real)

15 de outubro de 2018

Atualizações de registro de estudo

Última Atualização Postada (Real)

15 de abril de 2020

Última atualização enviada que atendeu aos critérios de controle de qualidade

13 de abril de 2020

Última verificação

1 de outubro de 2018

Mais Informações

Termos relacionados a este estudo

Palavras-chave

Termos MeSH relevantes adicionais

Outros números de identificação do estudo

  • BIPAA
  • 2016/17093-0 (Número de outro subsídio/financiamento: São Paulo Research Foundation (FAPESP))

Plano para dados de participantes individuais (IPD)

Planeja compartilhar dados de participantes individuais (IPD)?

NÃO

Informações sobre medicamentos e dispositivos, documentos de estudo

Estuda um medicamento regulamentado pela FDA dos EUA

Não

Estuda um produto de dispositivo regulamentado pela FDA dos EUA

Não

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