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Effectiveness of Low-Calorie MIND-HK Diet and Very Low-Calorie Diet on Glycemic Control and Cardiovascular Outcomes in Adults With Type 2 Diabetes: A 12-Week Randomized Controlled Trial

3 de junio de 2026 actualizado por: Dr Queenie Law Pui Sze, Hong Kong Metropolitan University
The objective of this project is to assess the effectiveness of a low-calorie and very low-calorie Mediterranean-DASH Intervention for Neurodegenerative Delay (MIND-HK) diet in improving glycemic control and cardiovascular outcomes in adults with T2DM. A total of 180 participants aged 40 to 70, diagnosed with T2DM, will be recruited and randomized into three groups: intervention 1 following the low-calorie MIND-HK diet, intervention 2 following the very low-calorie diet, and an attention control group. The two intervention groups will attend four in-person nutrition counseling sessions (one per week, 60 minutes per session, followed by a 30-minute Q&A) at a community centre and will use KetoMetrics Breath Ketone System and dietary mobile app, to track diet and monitor daily ketone levels for early signs of ketosis that may lead to diabetic ketoacidosis (DKA). The attention control group will receive an equal amount of attention through four in-person infectious disease counseling sessions. The primary outcome will be HbA1c levels. Secondary outcomes include fasting blood glucose, lipid profile, blood pressure, body mass index, waist circumference, breath ketone, scores from the Summary Diabetes Self-Care Activities (SDSCA) Questionnaire, and MIND diet scores. This study will contribute to the growing body of evidence on dietary interventions for managing T2DM in adults.

Descripción general del estudio

Estado

Aún no reclutando

Condiciones

Intervención / Tratamiento

Descripción detallada

This study addresses the critical clinical need to optimize dietary interventions for Chinese adults managing Type 2 Diabetes Mellitus (T2DM). While calorie restriction is widely known to aid in diabetes management, there is limited evidence comparing the distinct efficacy and physiological safety profiles of a standard low-calorie diet versus an intensive, very low-calorie approach when adapted to local dietary preferences. By evaluating the tailored MIND-HK diet, this trial aims to establish an effective, practical framework for improving long-term glycemic control and reducing cardiovascular risks.

To achieve robust and reliable results, the study uses a rigorous 12-week, parallel-group Randomized Controlled Trial (RCT) design involving 180 participants divided equally into three arms. The structure combines intensive, professional in-person coaching from a registered nutritionist with continuous remote support via WhatsApp to maximize participant adherence and behavioral retention. Furthermore, the integration of the Bluetooth-connected KetoMetrics Breath Ketone System provides a critical safety buffer, allowing real-time tracking of calorie intake and early detection of ketosis to prevent complications like diabetic ketoacidosis (DKA). By standardizing the contact time across all arms-including an attention control group receiving infectious disease health education-the trial minimizes bias and ensures that any observed improvements in HbA1c, fasting glucose, lipid profiles, and blood pressure are directly attributable to the nutritional interventions.

Tipo de estudio

Intervencionista

Inscripción (Estimado)

180

Fase

  • No aplica

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Estudio Contacto

  • Nombre: Queenie Law, PhD
  • Número de teléfono: 3970 2974
  • Correo electrónico: qlaw@hkmu.edu.hk

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

  • Adulto
  • Adulto Mayor

Acepta Voluntarios Saludables

No

Descripción

Inclusion Criteria:

  1. aged 40 to 70 years old;
  2. diagnosed with Type II DM; and
  3. Chinese ethnicity and able to speak and understand Cantonese.

Exclusion Criteria:

  1. patients on dialysis;
  2. Type I and Type II DM patients with insulin use;
  3. allergic to more than one type of food in the Low-calorie MIND-HK diet and very Low-calorie MIND- HK diet (e.g. nuts, berries, olive oil, or fish);
  4. Pregnant or Breastfeeding Women;
  5. Individuals with severe mental health conditions including severe depression, anxiety or other mental issues may struggle with the psychological demands of a very low calorie diet;
  6. People with low BMI less than 18.5;
  7. participation ni any dietary program within the past 3 months.

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Investigación de servicios de salud
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación paralela
  • Enmascaramiento: Ninguno (etiqueta abierta)

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: Low-calorie MIND-HK diet
Low-calorie MIND-HK diet is based on the MIND diet originally developed by Morris and colleagues in 2015 (1, 2) and adapted from the Arjmand group's 3-month MIND diet intervention (5). The Low-calorie MIND-HK diet intervention will be a 12-week nutrition program consisting of four in-person nutrition counselling sessions (one session per week, 60 minutes per session and 30 minutes question and answer session) in an activity room at each participating community centre. All sessions will be conducted by a registered nutritionist. In the nutrition sessions, the participants will learn to modify their diet to meet the low-calorie MIND-HK diet guidelines.
Conductual: Low-calorie MIND-HK diet
This 12-week community-based lifestyle intervention is designed to help participants modify their daily intake to meet low-calorie MIND-HK dietary guidelines. The program includes four weekly education sessions (60-minute lesson and 30-minute Q&A) covering portion control and food groups, alongside continuous monitoring of dietary logs to track compliance and support self-management throughout the study period.
Experimental: Very Low-calorie MIND-HK diet
Very Low-calorie MIND-HK diet is based on the MIND diet originally developed by Morris and colleagues in 2015 (1, 2) and adapted from the Arjmand group's 3-month MIND diet intervention (5). The very Low-calorie MIND-HK diet intervention will be a 12-week nutrition programme consisting of four in-person nutrition counselling sessions (one session per week, 60 minutes per session and 30 minutes question and answer session) in an activity room at each participating community centre. All intervention sessions will be conducted by a registered nutritionist. In the nutrition sessions, the participants will learn to modify their diet to meet the low-calorie diet guidelines. As a reference, a 7-day sample menu that meets the required number of servings per day will be provided. To maintain consistency, one nutritionist and one research assistant, will administer the intervention.
Conductual: Very Low-calorie MIND-HK diet
This 12-week community-based lifestyle intervention is designed to help participants modify their daily intake to meet very low-calorie MIND-HK dietary guidelines. Administered by a consistent team of one nutritionist and one research assistant to ensure program fidelity, the intervention includes four weekly sessions (60-minute lesson and 30-minute Q&A) covering calorie-reduction strategies, alongside the distribution of structured sample menus and continuous tracking to support dietary compliance.
Otro: Control group
An attention control group will receive the same amount of attention in four in-person infectious disease counselling sessions (one session per week, 60 minutes per session, and a 30- minute question and answer session) (6).
Otro: Control group
An attention control group will receive the same amount of attention in four in-person infectious disease counselling sessions (one session per week, 60 minutes per session, and a 30- minute question and answer session).

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
The point of care test (POCT) of HbA1C level
Periodo de tiempo: 12 weeks
Change in HbA1C level The HbA1C will be measured by A1CNow system
12 weeks

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Change in lipid and glucose panel
Periodo de tiempo: 12 weeks
Change in lipid and glucose panel measured by CardioChek
12 weeks
Change in basic anthropometric measurement
Periodo de tiempo: 12 weeks
Change in basic anthropometric measurement: a. Height and waist will be measured in meters using a tape measure. b. Weight will be measured in kilograms using a scale. c. Weight and height will be combined to report Body Mass index (BMI) in kg/m^2.
12 weeks
Change in blood pressure
Periodo de tiempo: 12 weeks
Change in blood pressure. Measured using Omron M7 blood pressure monitors to assess brachial blood pressure.
12 weeks
Change in Summary of Diabetes Self-Care Activities (SDSCA) Chinese Version
Periodo de tiempo: 12 weeks
Change in Summary of Diabetes Self-Care Activities (SDSCA) Chinese Version: Used to assess participants' diabetes self-care activities.
12 weeks
Change in breath ketone
Periodo de tiempo: 12 weeks
Change in breath ketone : Used to detect ketones in the breath, indicating hyperglycemia or diabetic ketoacidosis in individuals with diabetes.
12 weeks
Change in MIND-HK diet adherence score
Periodo de tiempo: 12 weeks
Change in MIND-HK diet adherence score based on 14 components- nine healthy and five unhealthy food groups (excluding wine). Each group is scored 0.0, 0.5, or 1.0, with higher scores reflecting healthier intake, for a total score ranging from O to 14.
12 weeks

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Hong Kong Metropolitan University

Publicaciones y enlaces útiles

La persona responsable de ingresar información sobre el estudio proporciona voluntariamente estas publicaciones. Estos pueden ser sobre cualquier cosa relacionada con el estudio.

Publicaciones Generales

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Estimado)

1 de julio de 2026

Finalización primaria (Estimado)

31 de enero de 2029

Finalización del estudio (Estimado)

31 de enero de 2029

Fechas de registro del estudio

Enviado por primera vez

3 de junio de 2026

Primero enviado que cumplió con los criterios de control de calidad

3 de junio de 2026

Publicado por primera vez (Actual)

9 de junio de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

9 de junio de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

3 de junio de 2026

Última verificación

1 de junio de 2026

Más información

Términos relacionados con este estudio

Palabras clave

Términos MeSH relevantes adicionales

Otros números de identificación del estudio

  • HE-OT2025/25

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

SÍ

Tipo de información de apoyo para compartir IPD

  • PROTOCOLO DE ESTUDIO

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

No

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

No

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .

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