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Web-based Dietary Intervention for Diabetic Patients (myDIDeA)

24 décembre 2017 mis à jour par: Amutha Ramadas, Monash University

Dietary Intervention Among Patients With Type 2 Diabetes Mellitus: An e-Approach

The Internet holds promise for a wide-scale promotion of dietary and lifestyle behavioural change. Website-delivered interventions have a potentially broad population reach as it is available 24 hours, and could be hosted by both government and non-governmental agencies. To date, there is no published study focused on dietary behaviour change in adults with Type 2 Diabetes Mellitus (T2DM) via a website-based system.

myDIDeA was a 12-months two-armed randomised controlled trial conducted in three tertiary public hospitals in Klang Valley, Malaysia. The primary outcome was the Dietary Knowledge, Attitude and Behaviour (DKAB) score, while the secondary outcomes included the food intake, anthropometry measurements, blood pressure and resting heart rate, blood biomarkers and the Dietary Stages of Change (DSOC) score.

Aperçu de l'étude

Statut

Complété

Les conditions

Intervention / Traitement

Description détaillée

The study was designed according to the recommendations of the CONSORT statement for randomised trials of non-pharmacologic treatment. The study commenced in November 2009 after obtaining the ethical approvals from relevant authorities, and the trial has been registered with Clinicaltrials.gov (NCT01246687). After being screened for eligibility, 128 patients with Type 2 Diabetes Mellitus (T2DM) from the outpatient clinics at these hospitals were recruited into the study with informed consent. After the baseline data collection, the participants were randomised into the e-intervention (n=66) or the control (n=62) group. The e-intervention group received an intensive six-month dietary intervention through the study website, which was developed based on various established guidelines and recommendations but personalised according to the participants' DSOC, in addition to the usual standard treatment at the outpatient clinics. In contrast, the control group received the usual standard treatment given to patients with T2DM, and did not receive the website login information, or any reinforcement via e-mail or SMS. Data were collected at baseline, six months post-intervention and at 12 months follow-up. A structured and pre-tested questionnaire was used for this purpose. The anthropometry measurements, blood pressure and resting heart rate were measured at data collection. Details on the blood biomarkers were obtained from the hospital medical records. The statistical analysis revealed that myDIDeA was successful in improving overall DKAB score by improving the diabetes-related dietary knowledge and attitude of the participants. Besides, the intervention programme also have successfully improved the DSOC score of the intervention group, suggesting the participants were indeed making small but significant progress in changing their dietary behaviour. Improvement in the diet quality (improvement in vegetable intake and reduction in carbohydrate and protein intake), glycaemic control and total cholesterol have added credibility to this web-delivered intervention. The process evaluation of the study website revealed that on the average each participant logged in the website once a week and spent 11 minutes at the website per visit. The usability (facilitating conditions) scored the highest, while the acceptability (anxiety) scored the lowest.

Type d'étude

Interventionnel

Inscription (Réel)

134

Phase

  • N'est pas applicable

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Lieux d'étude

  • Malaisie
    • Selangor
      • Batu Caves, Selangor, Malaisie, 68100
        • Hospital Selayang
      • Kajang, Selangor, Malaisie, 43000
        • Hospital Serdang
    • Wilayah Persekutuan Putrajaya
      • Putrajaya, Wilayah Persekutuan Putrajaya, Malaisie, 62250
        • Hospital Putrajaya

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

18 ans et plus (Adulte, Adulte plus âgé)

Accepte les volontaires sains

Non

Sexes éligibles pour l'étude

Tout

La description

Inclusion Criteria:

  • Mentally sound men and women who are > 18 years old.
  • Literate with a fair command of English and/or Malay languages.
  • Have access to the Internet at home, work or public place.
  • Willing to access the web portal at least once every fortnight.
  • Have been confirmed to have HbA1c of >7%.
  • KAB score < 50% at baseline.

Exclusion Criteria:

  • Pregnant, lactating or intend to become pregnant during the study period.
  • Diagnosed with Type 1 Diabetes Mellitus (T1DM) or Gestational Diabetes Mellitus (GDM)
  • Weighing not more than 150% of the desired weight for height.
  • Any pre-existing condition compromising the quality of life or ability to participate according to protocol.
  • Have severe complications (chronic heart disease, cerebrovascular disease, diagnosed HIV/AIDS, cancer, emphysema, chronic liver or kidney disease) that would affect the subjects' ability to follow the tailored advice.
  • Enrolled in other clinical studies.

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: Soins de soutien
  • Répartition: Randomisé
  • Modèle interventionnel: Affectation parallèle
  • Masquage: Aucun (étiquette ouverte)

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Expérimental: e-Intervention group
Receive stage-specific dietary intervention via the website & standard care at the outpatient clinic.
Comportemental: e-Intervention
Dietary educational programme developed using Transtheoretical Model of Change and delivered via a website specific for Type 2 Diabetes patients.
Aucune intervention: Control group
Continue with the standard diabetes care at the outpatient clinic without getting access to the web-based intervention.

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Change from Baseline in Dietary KAB Score at 6 months
Délai: Baseline & 6 months
Dietary Knowledge, Attitude & Behaviour Score - assessed using 36-item questionnaire.
Baseline & 6 months
Change from Baseline in Dietary KAB Score at 12 months
Délai: Baseline & 12 months
Dietary Knowledge, Attitude & Behaviour Score - assessed using 36-item questionnaire.
Baseline & 12 months

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Change from Baseline in anthropometric measurements at 6 months
Délai: Baseline & 6 months
BMI, body fat percentage, waist circumference
Baseline & 6 months
Change from Baseline in anthropometric measurements at 12 months
Délai: Baseline & 12 months
BMI, body fat percentage, waist circumference
Baseline & 12 months
Change from Baseline in dietary practices at 6 months
Délai: Baseline & 6 months
Nutrient intake, dietary GI, supplement intake, food preparation & eating out habit
Baseline & 6 months
Change from Baseline in dietary practices at 12 months
Délai: Baseline & 12 months
Nutrient intake, dietary GI, supplement intake, food preparation & eating out habit
Baseline & 12 months
Change from Baseline in blood biomarkers at 6 months
Délai: Baseline & 6 months
HbA1c, fasting plasma glucose, lipid profile (data to be obtained from the medical records)
Baseline & 6 months
Change from Baseline in blood biomarkers at 12 months
Délai: Baseline & 12 months
HbA1c, fasting plasma glucose, lipid profile (data to be obtained from the medical records)
Baseline & 12 months

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Parrainer

Monash University

Les enquêteurs

  • Chercheur principal: Kia Fatt Quek, PhD, Monash University (Sunway Campus)

Publications et liens utiles

La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.

Publications générales

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Réel)

1 mars 2010

Achèvement primaire (Réel)

1 juin 2011

Achèvement de l'étude (Réel)

1 décembre 2011

Dates d'inscription aux études

Première soumission

22 novembre 2010

Première soumission répondant aux critères de contrôle qualité

22 novembre 2010

Première publication (Estimation)

23 novembre 2010

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

27 décembre 2017

Dernière mise à jour soumise répondant aux critères de contrôle qualité

24 décembre 2017

Dernière vérification

1 décembre 2017

Plus d'information

Termes liés à cette étude

Termes MeSH pertinents supplémentaires

Autres numéros d'identification d'étude

  • MED2009-CM(SG)-004-QKF

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