Dietary patterns to manage glucose levels in prediabetes and type 2 diabetes

Meal Timing-based Strategies to Improve Glucose Metabolism in Prediabetes and Type 2 Diabetes

NA · German Institute of Human Nutrition · NCT06382480

This study is testing two different meal plans to see which one helps people with prediabetes and type 2 diabetes better manage their blood sugar levels.

Quick facts

PhaseNA
Study typeInterventional
Enrollment30 (estimated)
Ages18 Years to 75 Years
SexAll
SponsorGerman Institute of Human Nutrition (other)
Locations1 site (Potsdam, Potsdam-Rehbrücke)
Trial IDNCT06382480 on ClinicalTrials.gov

What this trial studies

This pilot project aims to identify effective dietary patterns for the prevention and treatment of type 2 diabetes by comparing the metabolic effects of two different diets with varying distributions of carbohydrates and protein. Overweight individuals with prediabetes and non-insulin treated type 2 diabetes will participate in a cross-over design study, where they will undergo two isocaloric 4-week interventions. One intervention features a high-protein breakfast and a high-carb dinner, while the other has a high-carb breakfast and a high-protein dinner, separated by a 4-week wash-out phase. The study will assess the impact of these dietary patterns on glucose metabolism and inflammatory status.

Who should consider this trial

Good fit: Ideal candidates for this study are overweight individuals with prediabetes or type 2 diabetes who are not on insulin treatment.

Not a fit: Patients with other types of diabetes, those on insulin treatment, or individuals with significant health issues or dietary restrictions may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a dietary approach to better manage glucose levels in individuals with prediabetes and type 2 diabetes.

How similar studies have performed: Other studies have explored dietary interventions for diabetes management, showing promising results, but this specific approach is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Prediabetes (fasting blood sugar 100-125 mg/dl)
* Diabetes type 2 (fasting blood sugar \>126 mg/dl)
* Overweight and obesity (BMI 25-50 kg/m2)

Exclusion Criteria:

* Other diabetes types
* Insulin treatment
* Shift work
* Weight changes \>5% within past 3 months
* Systemic glucocorticoid therapy
* Systemic infections
* Severe anemia
* High blood pressure (\>180/110 mmHg)
* Endocrinologic, liver and heart disorders
* Immune diseases
* Thyroid dysfunction
* Heart attack or stroke
* Cancer in the last 2 years
* Eating disorders, food intolerance/allergy, addiction disorders, digestive disorders intestinal, liver, cardiovascular diseases
* Hereditary or acquired coagulation disorders
* Non-interruptible intake of blood thinners (anticoagulants)
* Specific diets, intermittent fasting
* Pregnancy or breastfeeding
* Severe internal or psychiatric disorders or other conditions and drugs therapy that might influence the outcome of the study

Where this trial is running

Potsdam, Potsdam-Rehbrücke

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Overweight, Obesity, Prediabetes, Type 2 Diabetes, Glucose, Metabolism, Chrononutrition, Macronutrient composition

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.