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Coronary Artery DiseaseGENUTRINCT02202265

Polymorphisms in CD36 and STAT3 Genes and Different Dietary Interventions Among Patients With Coronary Artery Disease

A study testing Olive oil and Nuts in people with Coronary Artery Disease, run by Instituto de Cardiologia do Rio Grande do Sul at 1 site in Brazil.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Background: Cardiovascular diseases are the major health problem worldwide and the understanding of genetic contributions on the development of cardiovascular diseases is increasing significantly. Read more about this study

Who is it for?
Ages 40 to 80 years
Conditions the study is for
Coronary Artery Disease
What is being tested?
Olive oil and Nuts
Could I receive a placebo?
No, everyone receives an active treatment
How many people
204 participants
Where
1 siteBrazil
Study dates
Aug 2014to 31 Dec 2020
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 40 to 80 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients diagnosed with coronary arterial disease.

Who cannot join

  • Psychiatric disease;
  • Morbid obesity (BMI ≥ 40mg/m2);
  • Expectancy of life less than 6 months;
  • Pregnancy or lactation;
  • Renal failure (in dialysis);
  • Congestive heart failure;
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  • Prior organ transplantation;
  • Patients in wheelchair;
  • Use of vitamin/nutritional supplements;
  • Chronic use of non steroidal anti-inflammatory drugs;
  • Participation in another experimental study.

Trial locations and contacts

1 site in 1 country.

Brazil1 site
  • Instituto de Cardiologia/Fundação Universitária de Cardiologia (IC/FUC)

    Porto Alegre, Rio Grande do Sul, 90.620-001

Other trials in Brazil

About this study

Official title: Effect of Polymorphisms in CD36 and STAT3 Genes on Different Dietary Interventions Among Patients With Coronary Artery Disease: a Randomized Clinical Trial With a Nutrigenetic Approach

Background: Cardiovascular diseases are the major health problem worldwide and the understanding of genetic contributions on the development of cardiovascular diseases is increasing significantly. The CD36 is a protein associated with uptake of oxidized forms of LDL and the single nucleotide polymorphism (SNP) rs1761667 A/G in the CD36 gene is correlated with increased consumption of total fat. The transcription factor STAT3 is released during the inflammatory acute phase response and the SNP rs8069645 G/A in the STAT3 gene is associated with abdominal obesity and higher intake of saturated fat. Studies have been shown the benefits of the Mediterranean diet in secondary prevention of cardiovascular disease and these dietary patterns have been often studied with nutrigenetic approach; these studies, however, are often limited to European populations, making it difficult to generalize to different populations.

Hypothesis: Different dietary approaches may similarly influence in modifying metabolic, inflammatory and anthropometric profile, especially among patients with coronary arterial disease (CAD). The genetic interaction with environmental factors such as the nutrient intake, and the prescription of a different diet according to individual genotype, could influence the development and/or the treatment of cardiovascular diseases.

Objective: To evaluate the effect of three dietary approaches on metabolic, inflammatory and anthropometric profile in patients with CAD and possible interactions with polymorphisms in CD36 and STAT3 genes.

Read the detailed description

A randomized clinical trial with a nutrigenetic approach among patients ≥ 40 years diagnosed with CAD. Randomization will be made in blocks from a list of random numbers generated by site www.randomization.org (sealed opaque envelopes). A questionnaire with demographic and clinical data will be applied; systolic and diastolic blood pressure, waist, hip and neck circumferences, height and weight will be assessed. Nutrients intake will be assessed through a food diary. Laboratory evaluation will consist of lipid profile (LDL-cholesterol, HDL-cholesterol and total cholesterol, serum triglycerides), glycemic profile (fasting plasma glucose, glycated hemoglobin) and inflammatory profile (high-sensitivity C-reactive protein, fibrinogen, TNF-alpha, interleukin-6 and interleukin-10). Genotyping will be made by TaqMan SNP Genotyping Assay®. Patients will be randomized in three groups: Group 1 Intervention [Supplementation with nuts (SN)]: standard dietary guidelines + 30g of nuts a day; Group 2 Intervention [Supplementation with olive oil (SAO)]: standard dietary guidelines + 30ml of olive oil a day; Group 3 [Control diet (CO)]: standard dietary guidelines. Patients will be followed for three months (12 weeks) and the primary endpoint will be the change in LDL-cholesterol. The follow-up visits will be made at 30 days, 60 days and 90 days (final visit).

Being tested
Olive oil, Nuts, Control diet
Keywords
Heart Diseases
Medical subject headings
Coronary Artery Disease, Heart Diseases

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Olive oilDietary supplement

    30ml a day of olive oil

  • NutsDietary supplement

    30g a day of nuts

  • Control dietDietary supplement

    Diet based on standard guidelines

Study groups in NCT02202265
Study groupRoleWhat they receive
Control diet (standard dietary)Active comparatorPatients will receive a control diet based on standard dietary guidelines
Receives: Dietary Supplement: Control diet
Olive oil (30ml a day)ExperimentalPatients will receive a control diet based on standard dietary guidelines + 30ml of olive oil a day
Receives: Dietary Supplement: Olive oil
Nuts (30g a day)ExperimentalPatients will receive a control diet based on standard dietary guidelines plus 30g of nuts a day
Receives: Dietary Supplement: Nuts

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. LDL

    LDL-cholesterol, in mg/dL

    Measured: twelve weeks

Secondary outcomes (22)
  1. TC

    total cholesterol (TC), in mg/dL)

    Measured: twelve weeks

  2. NHDL

    non-HDL-cholesterol, in mg/dL

    Measured: twelve weeks

  3. HDL

    HDL-cholesterol, in mg/dL

    Measured: twelve weeks

  4. TG

    serum triglyceride, in mg/dL

    Measured: twelve weeks

  5. TyG index

    Triglycerides/fasting glucose index, calculated according to (fasting triglycerides [mg/dL] x fasting glucose [mg/dL])/2

    Measured: twelve weeks

  6. HbA1C

    glycated hemoglobin (HbA1C), in %

    Measured: twelve weeks

  7. FG

    fasting glucose, in mg/dL

    Measured: twelve weeks

  8. Insulin

    serum insulin, in UI/mL

    Measured: twelve weeks

  9. HOMA-IR

    Homeostatic Model Assessment for Insulin Resistance (HOMA-IR), calculated according to fasting insulin (microU/L) x fasting glucose (nmol/L)/22.5

    Measured: twelve weeks

  10. inflammatory profile

    CRP-us, in mg/dL; IL-6, in mg/dL; IL-10, in mg/dL

    Measured: twelve weeks

  11. BW

    body weight, in kg;

    Measured: twelve weeks

  12. BMI

    body mass index (BMI), in kg/m2, calculated according to weight (kg)/height*height (m)

    Measured: twelve weeks

  13. WC

    waist circumference, in cm

    Measured: twelve weeks

  14. NC

    neck circumference, in cm

    Measured: twelve weeks

  15. LAP index

    Lipid Accumulation Product Index (in cm.mmol.l), calculated for men: men (waist circumference [WC] - 65) x triglycerides (TG), and women (WC - 58) x TG

    Measured: twelve weeks

  16. DAAT index

    Deep-Abdominal-Adipose-Tissue Index (in cm2), calculated for men (- 382.9 + [1.09 x weight] + [6.04 x waist circumference (WC)] + [- 2.29 x body mass index (BMI)]) and women (- 278 + [- 0.86 x weight] + [5.19 x WC])

    Measured: twelve weeks

  17. VAI index

    Visceral Adiposity Index (log), calculated for men (waist circumference (WC)/[39 + (1.88 x body mass index (BMI)) x (triglycerides (TG)/1.03) x (1.31/HDL)]) and women (WC/[36.58 + (1.89 x BMI) x (TG/0.81) x (1.53/HDL)])

    Measured: twelve weeks

  18. PFA

    plasma fatty acids, in percentage

    Measured: twelve weeks

  19. Mon

    plasma monocytes, in percentage

    Measured: twelve weeks

  20. rs1761667 G>A

    Polymorphism rs1761667 G>A in the CD36 gene

    Measured: baseline

  21. rs8069645 A>G

    Polymorphism rs8069645 A>G in the STAT3 gene

    Measured: baseline

  22. Interaction diet * genotype

    Interaction between dietary intervention, rs1761667 and rs8069645

    Measured: twelve weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted28 Jul 2014 (estimated)
  2. Study startAug 2014
  3. Primary completion17 Jun 2016
  4. Study completion31 Dec 2020 (estimated)

Resources

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
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Outcomes assessor
Enrolment
204 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02202265
Sponsor's protocol ID
48612013
Acronym
GENUTRI
Status last verified
Sep 2020
First submitted
18 Jul 2014
Last updated
10 Sep 2020
Results posted
No
Data monitoring committee
No

Publications

  • Dos Santos JL, Portal VL, Markoski MM, de Quadros AS, Bersch-Ferreira A, Marcadenti A. Effect of pecan nuts and extra-virgin olive oil on glycemic profile and nontraditional anthropometric indexes in patients with coronary artery disease: a randomized clinical trial. Eur J Clin Nutr. 2022 Jun;76(6):827-834. doi: 10.1038/s41430-021-01045-7. Epub 2021 Nov 22.

    PubMed 34811509
  • Campos VP, Portal VL, Markoski MM, Quadros AS, Bersch-Ferreira AC, Garavaglia J, Marcadenti A. Effects of a healthy diet enriched or not with pecan nuts or extra-virgin olive oil on the lipid profile of patients with stable coronary artery disease: a randomised clinical trial. J Hum Nutr Diet. 2020 Jun;33(3):439-450. doi: 10.1111/jhn.12727. Epub 2019 Dec 19.

    PubMed 31856379
  • Portal VL, Markoski MM, Quadros AS, Garofallo S, Santos JL, Oliveira A, Wechenfelder C, Campos VP, Souza PA, Machado L, Marcadenti A. Effect of polymorphisms in the CD36 and STAT3 genes on different dietary interventions among patients with coronary artery disease: study protocol for a randomized controlled trial. Trials. 2016 Sep 5;17(1):437. doi: 10.1186/s13063-016-1564-1.

    PubMed 27596284

Questions about this trial

What is this clinical trial studying?

A study testing Olive oil and Nuts in people with Coronary Artery Disease, run by Instituto de Cardiologia do Rio Grande do Sul at 1 site in Brazil.

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 1 inclusion and 11 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 10 Sep 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Brazil. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. 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?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

LDL (time frame: twelve weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02202265, which also lists 3 linked publications.

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 10 Sep 2020.

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