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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. Juni 2026 aktualisiert von: 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.

Studienübersicht

Status

Noch keine Rekrutierung

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

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.

Studientyp

Interventionell

Einschreibung (Geschätzt)

180

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene
  • Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

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.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Versorgungsforschung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
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.
Verhalten: 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.
Verhalten: 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.
Sonstiges: 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).
Sonstiges: 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).

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
The point of care test (POCT) of HbA1C level
Zeitfenster: 12 weeks
Change in HbA1C level The HbA1C will be measured by A1CNow system
12 weeks

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change in lipid and glucose panel
Zeitfenster: 12 weeks
Change in lipid and glucose panel measured by CardioChek
12 weeks
Change in basic anthropometric measurement
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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
Zeitfenster: 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

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Hong Kong Metropolitan University

Publikationen und hilfreiche Links

Die Bereitstellung dieser Publikationen erfolgt freiwillig durch die für die Eingabe von Informationen über die Studie verantwortliche Person. Diese können sich auf alles beziehen, was mit dem Studium zu tun hat.

Allgemeine Veröffentlichungen

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Geschätzt)

1. Juli 2026

Primärer Abschluss (Geschätzt)

31. Januar 2029

Studienabschluss (Geschätzt)

31. Januar 2029

Studienanmeldedaten

Zuerst eingereicht

3. Juni 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

3. Juni 2026

Zuerst gepostet (Tatsächlich)

9. Juni 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

9. Juni 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

3. Juni 2026

Zuletzt verifiziert

1. Juni 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • HE-OT2025/25

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

JA

Art der unterstützenden IPD-Freigabeinformationen

  • STUDIENPROTOKOLL

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .

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