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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03901183
Other study ID # CardioVeg
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date May 27, 2019
Est. completion date February 11, 2021

Study information

Verified date September 2022
Source Charite University, Berlin, Germany
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Plant-based nutrition may have positive effects on chronic diseases such as cardiovascular or metabolic disorders. This study investigates the effects of a 8 week plant-based diet for patients with metabolic syndrom and cardiovascular risk factors.


Recruitment information / eligibility

Status Completed
Enrollment 70
Est. completion date February 11, 2021
Est. primary completion date February 11, 2021
Accepts healthy volunteers No
Gender All
Age group 25 Years to 75 Years
Eligibility Inclusion Criteria: - Blood pressure > 140 mmHg systolic and/or > 90 mmHg diastolic, in case of medication also increased values > 140 mmHg systolic and/or > 90 mmHg diastolic needed - Adipositas with a waist circumference of > 94 cm in men and > 80 cm in women - A non-vegetarian diet in the past 6 months (at least 4x meat and/or meat products per week, at least 5x dairy products per week) - No fasting, no specific diet or change of diet in the last 2 months - Weight stable over the last two months (+- 3 kg) - Medication unchanged for at least one month - No fasting, no change of diet in the last 2 months Exclusion Criteria: - Poor general condition - Coronary heart disease - Diabetes mellitus Type I - Cerebrovascular diseases - Severe mental illness - Severe acute or chronic comorbidity - Pregnancy and lactation or planned pregnancy in the next 6 months - Eating disorder - Max. 2 beers 0,5l or 2 wines 0,2l per day - No alcohol abstinence 48 hours before blood samples possible - Max. 5 cigarettes/day - Medicine that affect weight - Antibiotics within the last 6 months - Major surgery <6 months prior to randomization - BMI > 40 kg/m2 - Existing vegetarian or plant-based diet - Bariatric surgery (obesity surgery) - Simultaneous participation in another clinical trial - Participation in a clinical trial within the last 3 months prior to inclusion in the study - Lack of consent to participate in the study

Study Design


Intervention

Other:
Plant-based Diet
Patients are guided to change their nutrition to a plant-based diet.

Locations

Country Name City State
Germany Charite University Berlin

Sponsors (2)

Lead Sponsor Collaborator
Charite University, Berlin, Germany Charite University, Department for Dental Medicine

Country where clinical trial is conducted

Germany, 

Outcome

Type Measure Description Time frame Safety issue
Other Qualitative interviews in focus groups interviews Qualitative assessment will be carried out in 45-minute focus group interviews in 12 (randomized selected) patients participating in the study. The interviews will be recorded, transcribed and analyzed with qualitative content analysis. 16 weeks after inclusion
Primary Change of baseline Composite Score for Metabolic Syndrom (Standardizing Physiological Composite Risk Endpoints (SCORE)) at 2 months Composite score including waist wircumference, blood pressure, fasting blood glucose, tryglycerids, HDL-cholesterin Range 0-100, lower score meaning a better outcome Date of inclusion (baseline), after 8 weeks
Secondary Bio-electrical Impedance Analysis (BIA) Estimation of the body composition via bio-electrical impedance analysis (body fat and visceral fat in %) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Bio-electrical Impedance analysis (BIA) Estimation of the body composition via bio-electrical impedance analysis (muscle mass in kg) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Change from baseline systolic blood pressure at 2 months Average of 24h measurement Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Change from baseline diastolic blood pressure at 2 months Average of 24h measurement Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Fasting glucose (mmol/l) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Blood lipids Triglycerides (mmol/L), total cholesterol (mmol/L), LDL (mmol/L), HDL (mmol/L) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Insulin (µU/ml) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Glycated hemoglobin (HbA1c) (%) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Fructosamin (µmol/l) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Homeostatic model assessment (HOMA-IR) Index calculated from Insulin (µU/ml) x fasting glucose (mmol/l) / 22,5 Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Ferritin (µg/l) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Liver enzymes Hepatic transaminases (GPT, GOT in U/L) and Gamma glutamyl transpeptidase (y-GT in U/L) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Folic acid (ng/ml) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Uric Acid (mg/dl) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Complete Blood Count Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Holotranscobalamin (pmol/L) Date of inclusion (baseline), after 16 weeks
Secondary Trimethylamine N-oxide (mg/dl) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Quality of Life questionnaire (WHO-5) Change from Baseline in the WHO-5, range from 0 to 100 % while higher values meaning a higher grade of well-being Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Stress questionnaire (Cohen Perceived Stress Scale, CPSS) Change from Baseline in the CPSS, range from 0 to 4 in each item. Scores are obtained by reversing responses (e.g., 0 = 4, 1 = 3, 2 = 2, 3 = 1 & 4 = 0) to the positively stated items and then summing across all scale items while higher values meaning a higher grade of perceived stress. Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary General Self-efficacy Short Scale (ASKU) Assessing full scale, range 3-15, higher score meaning a better outcome Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Hospital Anxiety and Depression Scale (HADS) Assessing full scale, range 0-42, lower score meaning a better outcome Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Medical Outcomes Study Short Form (MOS SF-12) Assessing full scale, range 0-100, higher score meaning a better outcome Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Zerssen symptom list (B-LR and B-LR') Assessing full scale, range 20-80, higher score meaning a better outcome Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Intuitive Eating Scale 2 (IES-2) Assessing full scale, range 23-115, higher score meaning a better outcome Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Flourishing Scale (FS-D) Assessing full scale, range 8-56, higher score meaning a better outcome Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary International Physical Activity Questionnaire (IPAQ ) MET minutes represent the amount of energy expended carrying out physical activity. To get a continuous variable score from the IPAQ (MET minutes a week) we will consider walking to be 3.3 METS, moderate physical activity to be 4 METS and vigorous physical activity to be 8 METS. Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Body weight (kg) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Body Mass Index (kg/m2) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Waist circumference (cm) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Wrist Circumference (cm) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Ambulatory Blood Pressure Monitoring (ABPM) Measuring systolic and diastolic blood pressure in 20-minute-intervals for 24h with "Spacelabs" devices Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Dietary Behaviour Nutritional history via dietary weight record (each for 3 days) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Daily nutrition protocol Via the App 'Calorie Counter - Fddb Extender' Daily throughout the entire survey period
Secondary Medication intake Name of medication and dosage Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Cardio Vascular Risc Profile Cardio Vascular Risc in % with following scores: SCORE-Deutschland/PROCAM/arriba/WHO-ISH Charts/BEWAT-Score Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Gut microbiome 16S rRNA Sequencing / Shotgun Sequencing Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Blood Oxygenization 24h measuring by Biovotion Everion (upper arm) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Skin Temperature 24h measuring by Biovotion Everion and Empatica E4 devices (upper arm/wrist) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Heart Rate (HR) 24h measuring by Faros 180 (chest), Biovotion Everion and Empatica E4 (upper arm/wrist) devices Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Heart Rate Variability (HRV) 24h measuring by Faros 180 (chest), Biovotion Everion and Empatica E4 (upper arm/wrist) devices Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Interbeat Interval (IBI) 24h measuring by Biovotion Everion and Empatica E4 devices (upper arm/wrist) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Respiration Rate 24h measuring by Biovotion Everion device Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Blood Volume Pulse 24h measuring by Empatica E4 device (wrist) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Electrodermal Activity (Galvanic Skin Response) 24h measuring by Biovotion Everion device and Empatica E4 (upper arm/wrist) devices Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Number of Steps per 24 hours 24h measuring by Biovotion Everion device (upper arm) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Sociodemographic Measurements Age, gender, education level, household income, employment status, marital status, language spoken, complete family history, current and previous illness and co-morbidities, and current medications Date of inclusion (baseline)
Secondary Oral Health Qualitative Interviews using the German version of the "Oral Health Impact Profile" with 21 questions, score ranges from 0 to 21, high score Shows a low Quality of oral health, low score Shows a high Quality of life Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Evaluation of inflammatory oral conditions bleeding index (gingival bleeding index, bleeding on probing) in percentage, ranges from 0 to 100 %, optimal is less then 15 % Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Evaluation of teeth related conditions dental findings (attrition, bruxism, caries, dental implants, dentures, missing teeth, erosions, restorations (all classes)) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Evaluation of Oral Fluids crevicular fluid rate, salivary flow (stimulated, unstimulated) Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Evaluation of periodontal attachment level probing pocket depth, recessions, measuring in mm on 6 sites per tooth Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Evaluation of oral hygiene Plaque Index in %, ranges from 0 to 100%, less then 15 % Shows an optimal oral hygiene Date of inclusion (baseline), after 8 weeks, after 16 weeks
Secondary Evaluation of periodontal status measuring with periodontal Screening index, ranges from 0 to 4, code 0 - oral health, 1-2 Gingivitis, 3-4 Periodontitis, additional findings as furcation involvement and loosening are documented Date of inclusion (baseline), after 8 weeks, after 16 weeks
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