Cardiovascular DiseasesNCT04064281
The Healthy Cantonese Diet on Cardiometabolic Syndrome
A study testing the healthy Cantonese diet and the typical Cantonese diet in people with Cardiovascular Diseases and Cardiovascular Risk Factor, run by Sun Yat-sen University.
Trial summary
The DASH diet (Dietary Approaches to Stop Hypertension) have been proven to lower risk of cardiovascular diseases. But the DASH diet is inconsistent with Chinese dietary pattern. Read more about this study
- Who is it for?
- Ages 25 to 75 years
- Conditions the study is for
- Cardiovascular Diseases, Cardiovascular Risk Factor, High Blood Pressure
- What is being tested?
- the healthy Cantonese diet and the typical Cantonese diet
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 90 participants
- Where
- No sites listed yet
- Study dates
- 1 Sep 2019to 31 Dec 2022
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 25 to 75 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Age 25-75 years old, male or female;
- have lived in this community for the past six months, and have no plans to move out or go out in the next three months;
- the systolic blood pressure is within 130-159mmHg regardless of medication.
- maintaining the current medication (mainly drugs for hypertension, diabetes or hyperlipidemia) throughout the research period, with the category and dose unchanged;
- the number of test meal consumed is no less than 18;
- community feeding mode: eat a meal at least once a day at the research center (preferably lunch or dinner); or home delivery mode: upload meal pictures for three meals every day, and eat a meal and have physical examination at the research center at least once a week;
- sign the informed consent form.
Who cannot join
- fasting blood glucose ≥10.0mmol/L;
- total cholesterol ≥7.2mmol/L;
- injected inulin within a month;
- unwilling or unable to change the original dietary pattern, or have special dietary needs (such as vegetarians);
- alcoholism;
- BMI ≥30kg/m^2, or losing weight currently;
Show all 14Show fewer
- have acute cardiovascular and cerebrovascular events occurred in the past six months;
- have a history of chronic kidney disease, intestinal irritation or asthma;
- women who have been/are preparing for pregnancy or lactation;
- in combination with other serious diseases such as cancer, chronic heart failure, severe depression or other mental disorders, long-term bedridden or unable to move freely;
- have a history of common food allergies (eggs, seafood, peanuts, etc.);
- have undergone gastrointestinal surgery;
- currently suffering from acute phase of diseases such as respiratory infections, fever, severe diarrhea;
- have deaf-mutism, dementia, unable to communicate properly.
Trial locations and contacts
No sites are listed yet.
About this study
Official title: Effect of the Healthy Cantonese Diet on Cardiometabolic Syndrome in Chinese Adults
The DASH diet (Dietary Approaches to Stop Hypertension) have been proven to lower risk of cardiovascular diseases. But the DASH diet is inconsistent with Chinese dietary pattern. In this study, based on the typical Cantonese diet, the healthy Cantonese diet is developed according to the DASH diet and the balanced dietary pattern of the Chinese Dietary Guidelines 2016. The randomized control trial is designed to investigate whether the healthy Cantonese diet has benefit to blood pressure, blood lipid, blood glucose and other cardiometabolic biomarkers among adults with cardiometabolic syndrome in Guangdong, China.
- Conditions
- Cardiovascular Diseases, Cardiovascular Risk Factor, High Blood Pressure, Hypertension, Hyperlipidemias, Hyperglycemia
- Being tested
- the healthy Cantonese diet, the typical Cantonese diet
- Keywords
- DASH, diet, trial, cardiovascular disease, blood pressure
- Medical subject headings
- Cardiovascular Diseases, Hypertension, Hyperlipidemias, Hyperglycemia
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
the healthy Cantonese dietOther
After a 1-week run-in period, the intervention group will eat the healthy Cantonese diet for 4 consecutive weeks. Free meals will be provided 3 times a day (breakfast, lunch, dinner). The actually intake of every meal for all subjects will be recorded to estimate their nutrients intake. All subjects will be advised to avoid eating other food, but they should inform researchers of what they eat if they eat food that we will not provide.
the typical Cantonese dietOther
After a 1-week run-in period, the control group will still eat the typical Cantonese diet for 4 consecutive weeks. Free meals will be provided 3 times a day (breakfast, lunch, dinner). The actually intake of every meal for all subjects will be recorded to estimate their nutrients intake. All subjects will be advised to avoid eating other food, but they should inform researchers of what they eat if they eat food that we will not provide.
| Study group | Role | What they receive |
|---|---|---|
| the healthy Cantonese diet | Experimental | Based on the typical Cantonese diet, the healthy Cantonese diet is developed according to the DASH diet and the balanced dietary pattern of the Chinese Dietary Guidelines 2016. In this diet, the main nutrients, dietary fiber, sodium, calcium, magnesium and potassium are set to achieve the healthy goal. Compared with the typical Cantonese diet, the healthy Cantonese diet is increased in fruit, vegetables, low-fat dairy products, whole grains, nuts and seeds, and reduced in salt, oil and sweets. Receives: Other: the healthy Cantonese diet |
| the typical Cantonese diet | Placebo comparator | The typical Cantonese diet is a diet of what many Cantonese eat. In this diet, the main nutrients, dietary fiber, sodium, calcium, magnesium and potassium are set at the average dietary intake levels in Guangdong. Receives: Other: the typical Cantonese diet |
What is being measured
The primary outcome is the main question the study is designed to answer.
Metabolic syndrome score
Changes of metabolic syndrome score in healthy Cantonese diet compared with changes of typical Cantonese diet. Metabolic syndrome score will be derived by standardizing and then summing the following continuously distributed indices of adiposity (waist circumference) to create a z score: hypertension (the average of systolic blood pressure and diastolic blood pressure); hyperglycaemia (fasting plasma glucose); insulin resistance (fasting insulin); fasting HDL-cholesterol × -1; and fasting triacylglycerol z score.
Measured: before and after 4-week intervention
Systolic blood pressure and diastolic blood pressure
Changes of systolic blood pressure and diastolic blood pressure in healthy Cantonese diet compared with changes of typical Cantonese diet. Blood pressure will be measured by trained investigator at baseline, week 1, week 2, week 3 and week 4, and systolic blood pressure and diastolic blood pressure will be recorded.
Measured: before and after 4-week intervention
Blood lipid profile
Changes of blood lipid profile in healthy Cantonese diet compared with changes of typical Cantonese diet. Blood lipid profile (total cholesterol, TC; triglyceride, TG; LDL cholesterol, LDLc; HDL cholesterol, HDLc) will be tested by a validated biomedical analyses laboratory using vein serum at baseline and week 4.
Measured: before and after 4-week intervention
Glucose metabolism
Changes of glucose metabolism in healthy Cantonese diet compared with changes of typical Cantonese diet. Glucose metabolism (fasting plasma glucose and fasting insulin) will be tested by a validated biomedical analyses laboratory using vein serum at baseline and week 4 and insulin resistance index (HOMA-IR) will be calculated by [fasting insulin (mU/L) × fasting plasma glucose (mmol/L) ]/22.5.
Measured: before and after 4-week intervention
Secondary outcomes (10)
Blood biochemical marker
Changes of blood biochemical marker in healthy Cantonese diet compared with changes of typical Cantonese diet. Blood biochemical marker (calcium, potassium, sodium, magnesium and phosphorus in mmol/L; uric acid in μmol/L) will be tested by a validated biomedical analyses laboratory using vein serum at baseline and week 4.
Measured: before and after 4-week intervention
Urinary sodium and potassium
Changes of urinary sodium and potassium in healthy Cantonese diet compared with changes of typical Cantonese diet. Urinary sodium and potassium will be tested by a validated biomedical analyses laboratory using morning urine at baseline and week 4.
Measured: before and after 4-week intervention
Intestinal microbiota composition
Changes of intestinal microbiota composition in healthy Cantonese diet compared with changes of typical Cantonese diet.
Measured: before and after 4-week intervention
Gut microbial gene richness
Changes of gut microbial gene richness in healthy Cantonese diet compared with changes of typical Cantonese diet.
Measured: before and after 4-week intervention
Inflammatory biomarkers
Changes of inflammatory biomarkers in healthy Cantonese diet compared with changes of typical Cantonese diet. Inflammatory biomarkers (CRP in mg/L; Tumor TNF-α and IL-6 in ng/L) will be tested by a validated biomedical analyses laboratory using vein serum at baseline and week 4.
Measured: before and after 4-week intervention
Cardiopulmonary function
Changes of cardiopulmonary function in healthy Cantonese diet compared with changes of typical Cantonese diet. Cardiopulmonary function will be measured by cardiopulmonary exercise testing using CORTEX MetaLyzer 3B at baseline and week 4.
Measured: before and after 4-week intervention
Endothelial function
Changes of endothelial function in healthy Cantonese diet compared with changes of typical Cantonese diet. Flow-mediated dilatation (FMD) will be assessed to evaluate endothelial function by using UNEX EF38G at baseline and week 4.
Measured: before and after 4-week intervention
Body composition
Changes of body composition in healthy Cantonese diet compared with changes of typical Cantonese diet. Body composition will be tested by using dual energy X-ray absorptiometry at baseline and week 4.
Measured: before and after 4-week intervention
Body mass index (BMI)
Height in meters and weight in kilograms will be combined to report body mass index (BMI) in kg/m^2.
Measured: before and after 4-week intervention
Ratio of waist to hip circumference (WHR)
Waist circumference in centimeters and hip circumference in centimeters will be combined to report ratio of waist to hip circumference (WHR).
Measured: before and after 4-week intervention
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted21 Aug 2019
- Study start1 Sep 2019 (estimated)
- Primary completion31 Dec 2021 (estimated)
- Study completion31 Dec 2022 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Cardiovascular DiseasesStudies of the same condition, open and under way.
- More trials run by Sun Yat-sen UniversityThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Model description
- All subjects will enter 1-week run-in feeding period during which they will eat the control diet. After a 1-week run-in period, subjects will be randomly divided into the intervention group and the control group, stratified by gender. The two groups will eat their assigned diet for 4 consecutive weeks.
- Masking
- Double blind
- Who is masked
- Participant, Outcomes assessor
- Enrolment
- 90 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Sun Yat-sen University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Huilian Zhu, Sun Yat-sen University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04064281
- Sponsor's protocol ID
- CC-2019-03
- Status last verified
- Aug 2019
- First submitted
- 12 Aug 2019
- Last updated
- 21 Aug 2019
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Study at a glance
From the registry record, last updated by the sponsor on 21 Aug 2019. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Effect of the Healthy Cantonese Diet on Cardiometabolic Syndrome in Chinese Adults
- ClinicalTrials.gov ID
- NCT04064281
- Acronym / sponsor ID
- CC-2019-03
- Conditions
- Cardiovascular Diseases, Cardiovascular Risk Factor, High Blood Pressure, Hypertension, Hyperlipidemias, Hyperglycemia
- Keywords
- DASH, diet, trial, cardiovascular disease, blood pressure
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 90 participants (estimated)
- Lead sponsor
- Sun Yat-sen UniversityUniversity, hospital or other
- Study start
- 1 Sep 2019 (estimated)
- Primary completion
- 31 Dec 2021 (estimated)
- Study completion
- 31 Dec 2022 (estimated)
- First posted
- 21 Aug 2019 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The DASH diet (Dietary Approaches to Stop Hypertension) have been proven to lower risk of cardiovascular diseases. But the DASH diet is inconsistent with Chinese dietary pattern. In this study, based on the typical Cantonese diet, the healthy Cantonese diet is developed according to the DASH diet and the balanced dietary pattern of the Chinese Dietary Guidelines 2016. The randomized control trial is designed to investigate whether the healthy Cantonese diet has benefit to blood pressure, blood lipid, blood glucose and other cardiometabolic biomarkers among adults with cardiometabolic syndrome in Guangdong, China.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (participant, outcomes assessor)
- Number of arms
- 2
- Model description
- All subjects will enter 1-week run-in feeding period during which they will eat the control diet. After a 1-week run-in period, subjects will be randomly divided into the intervention group and the control group, stratified by gender. The two groups will eat their assigned diet for 4 consecutive weeks.
| Arm | Type | Receives |
|---|---|---|
| the healthy Cantonese diet | Experimental | Other: the healthy Cantonese dietBased on the typical Cantonese diet, the healthy Cantonese diet is developed according to the DASH diet and the balanced dietary pattern of the Chinese Dietary Guidelines 2016. In this diet, the main nutrients, dietary fiber, sodium, calcium, magnesium and potassium are set to achieve the healthy goal. Compared with the typical Cantonese diet, the healthy Cantonese diet is increased in fruit, vegetables, low-fat dairy products, whole grains, nuts and seeds, and reduced in salt, oil and sweets. |
| the typical Cantonese diet | Placebo comparator | Other: the typical Cantonese dietThe typical Cantonese diet is a diet of what many Cantonese eat. In this diet, the main nutrients, dietary fiber, sodium, calcium, magnesium and potassium are set at the average dietary intake levels in Guangdong. |
Who may qualify
- Ages
- 25 to 75 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (7 listed)
- Age 25-75 years old, male or female;
- have lived in this community for the past six months, and have no plans to move out or go out in the next three months;
- the systolic blood pressure is within 130-159mmHg regardless of medication.
- maintaining the current medication (mainly drugs for hypertension, diabetes or hyperlipidemia) throughout the research period, with the category and dose unchanged;
- the number of test meal consumed is no less than 18;
Key exclusion criteria (14 listed)
- fasting blood glucose ≥10.0mmol/L;
- total cholesterol ≥7.2mmol/L;
- injected inulin within a month;
- unwilling or unable to change the original dietary pattern, or have special dietary needs (such as vegetarians);
- alcoholism;
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| the healthy Cantonese dietAfter a 1-week run-in period, the intervention group will eat the healthy Cantonese diet for 4 consecutive weeks. Free meals will be provided 3 times a day (breakfast, lunch, dinner). The actually intake of every meal for all subjects will be recorded to estimate their nutrients intake. All subjects will be advised to avoid eating other food, but they should inform researchers of what they eat if they eat food that we will not provide. | Other | the healthy Cantonese diet |
| the typical Cantonese dietAfter a 1-week run-in period, the control group will still eat the typical Cantonese diet for 4 consecutive weeks. Free meals will be provided 3 times a day (breakfast, lunch, dinner). The actually intake of every meal for all subjects will be recorded to estimate their nutrients intake. All subjects will be advised to avoid eating other food, but they should inform researchers of what they eat if they eat food that we will not provide. | Other | the typical Cantonese diet |
Primary outcome
Metabolic syndrome score
Time frame: before and after 4-week intervention
Changes of metabolic syndrome score in healthy Cantonese diet compared with changes of typical Cantonese diet. Metabolic syndrome score will be derived by standardizing and then summing the following continuously distributed indices of adiposity (waist circumference) to create a z score: hypertension (the average of systolic blood pressure and diastolic blood pressure); hyperglycaemia (fasting plasma glucose); insulin resistance (fasting insulin); fasting HDL-cholesterol × -1; and fasting triacylglycerol z score.
Systolic blood pressure and diastolic blood pressure
Time frame: before and after 4-week intervention
Changes of systolic blood pressure and diastolic blood pressure in healthy Cantonese diet compared with changes of typical Cantonese diet. Blood pressure will be measured by trained investigator at baseline, week 1, week 2, week 3 and week 4, and systolic blood pressure and diastolic blood pressure will be recorded.
Blood lipid profile
Time frame: before and after 4-week intervention
Changes of blood lipid profile in healthy Cantonese diet compared with changes of typical Cantonese diet. Blood lipid profile (total cholesterol, TC; triglyceride, TG; LDL cholesterol, LDLc; HDL cholesterol, HDLc) will be tested by a validated biomedical analyses laboratory using vein serum at baseline and week 4.
Glucose metabolism
Time frame: before and after 4-week intervention
Changes of glucose metabolism in healthy Cantonese diet compared with changes of typical Cantonese diet. Glucose metabolism (fasting plasma glucose and fasting insulin) will be tested by a validated biomedical analyses laboratory using vein serum at baseline and week 4 and insulin resistance index (HOMA-IR) will be calculated by [fasting insulin (mU/L) × fasting plasma glucose (mmol/L) ]/22.5.
10 secondary outcomes
Blood biochemical marker
Time frame: before and after 4-week intervention
Urinary sodium and potassium
Time frame: before and after 4-week intervention
Intestinal microbiota composition
Time frame: before and after 4-week intervention
Gut microbial gene richness
Time frame: before and after 4-week intervention
Inflammatory biomarkers
Time frame: before and after 4-week intervention
Cardiopulmonary function
Time frame: before and after 4-week intervention
Endothelial function
Time frame: before and after 4-week intervention
Body composition
Time frame: before and after 4-week intervention
Body mass index (BMI)
Time frame: before and after 4-week intervention
Ratio of waist to hip circumference (WHR)
Time frame: before and after 4-week intervention
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 21 Aug 2019.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Questions about this trial
What is this clinical trial studying?
A study testing the healthy Cantonese diet and the typical Cantonese diet in people with Cardiovascular Diseases and Cardiovascular Risk Factor, run by Sun Yat-sen University.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 7 inclusion and 14 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: status not confirmed, as of the sponsor's last update on 21 Aug 2019. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
Contact Huilian Zhu, professor (+86 20 87331811, zhuhl@mail.sysu.edu.cn), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Metabolic syndrome score (time frame: before and after 4-week intervention). The study lists 4 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 21 Aug 2019.