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Status unknownNCT04011618Updated Jun 15, 2022

Effect of Ellagic Ácid on the Components of Metabolic Syndrome, Insulin Sensitivity and Insulin Secretion

A Phase 2 interventional study of Ellagic Acid / Pomegranate Extract and Placebo oral capsule in Metabolic Syndrome, sponsored by University of Guadalajara. Status unknown at 1 site in Mexico. Open to participants aged 30 Years to 59 Years. Per ClinicalTrials.gov, last updated 2022-06-15.

Sponsored by University of Guadalajara · Phase 2, Interventional, and Treatment

The sponsor has not verified this record recently (last verified Jun 2022), so the status shown — last known as Active, not recruiting — may be out of date.
Phase
Phase 2
Study type
Interventional
Enrollment
32
Allocation
Randomized
Ages
30 Years to 59 Years
Sex
All
01

Study summary

Metabolic syndrome (MetS) is a group of important cardiovascular risk factors: abdominal obesity, dyslipidemia, hyperglycemia, and high blood pressure. Treatment requires lifestyle changes and pharmacological therapy with different medications for each component. Ellagic acid (EA) is a polyphenol that has shown health benefits in multiple experimental studies. Patients consume EA without prescription; considering there aren't studies that demonstrate its effectiveness on MetS, it is important to evaluate the possible effects of AE on this pathology. METHODOLOGY: Current study is a double-blind, placebo-controlled clinical trial. The aim of this study is to evaluate the effect of AE on the components of metabolic syndrome, insulin sensitivity, and insulin secretion.

Read the detailed description

INTRODUCTION: Ellagic acid (EA) is a polyphenol that has shown health benefits in multiple experimental studies; mainly as an antioxidant, but also in hepatic steatosis, endothelial damage, hypertension, diabetes mellitus, visceral fat accumulation, dyslipidemia, insulin resistance, atherosclerosis, etc. There aren't studies that demonstrate the effectiveness of EA on MetS; since patients consume it without any prescription, it is important to evaluate the effect of the administration of EA on the components of metabolic syndrome, insulin sensitivity, and insulin secretion. The current design is a randomized double-blind, placebo-controlled, clinical trial. METHODS: Male and female volunteers between 30 to 59 years of age, with a diagnosis of MetS according to the International Diabetes Federation criteria will be included, whether they accept participating and signing the informed consent. Patients with one or more of the following criteria will be excluded: History of liver, kidney, heart, or thyroid disease; diabetes mellitus or arterial hypertension, alcohol, drug abuse or tobacco use, systolic blood pressure ≥140 mmHg, diastolic blood pressure ≥90 mmHg, fasting blood glucose ≥126 mg / dL, triglycerides ≥500 mg/dL, LDL cholesterol >190 mg/dL; suspected or confirmed pregnancy, lactation, menopausal period \<1 year, hormonal contraceptive or replacement therapy, pharmacological, dietary or herbal therapy in the last 3 months before trial, allergy to any of the interventions. Patients included, may be withdrawn from the study if they meet any of the following conditions: Withdrawal of the informed consent, severe adverse reaction, loss of follow-up, treatment adherence \<80%; intolerance to EA or placebo. OBJECTIVES: The main objective is to evaluate the effect of EA or placebo on metabolic syndrome components, insulin sensitivity, and insulin secretion. HEADQUARTERS: The study will be carried out in the facilities of the Institute of Experimental and Clinical Therapeutics (INTEC), of the University Center of Health Sciences, at the University of Guadalajara. Guadalajara, Jalisco, Mexico.

02

Conditions studied

  • Metabolic Syndrome

Keywords

  • ellagic acid
  • metabolic syndrome
  • insulin resistance
  • insulin secretion
  • insulin sensitivity
03

In context

Metabolic Syndrome

1,964 studies on the registry are indexed under Metabolic Syndrome; 330 are open to participants now.

This study's enrollment of 32 is below the median of 60 across 1,460 interventional studies indexed under Metabolic Syndrome.

Browse Metabolic Syndrome studies →

Lead sponsor

University of Guadalajara is the lead sponsor of 94 studies on the registry; 18 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
30 Years to 59 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Metabolic Syndrome diagnosis based on IDF criteria
  • Acceptance and signing of Informed Consent

Exclusion criteria

Exclusion Criteria:

  • Prior diagnosis of kidney, liver, pancreas, heart or thyroid disease
  • Diabetes mellitus or arterial hypertension
  • Alcoholism, drug abuse or tobacco use
  • Systolic blood pressure ≥140 mmHg
  • Diastolic blood pressure ≥90 mmHg
  • Fasting plasma glucose ≥126 mg/dL
  • TG ≥500 mg/dL
  • C-LDL > 190 mg/dL
  • BMI: ≥35 kg/m2
  • Pregnancy (suspected or confirmed) or lactation
  • Menopausal period \<1 year
  • Hormonal contraceptive or replacement therapy
  • Known allergy to any of the interventions
  • Imposibility to shallow capsules
  • Pharmacological, dietary or herbal therapy in the last 3 months before trial
  • Weight variability above ±2.0 kg throughout the last 3 months before intervention
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Care provider, Investigator)
Enrollment
32 participants (actual)

Study arms

  • Placebo comparator
    Placebo

    16 patients to receive 1 homologated placebo capsule (calcined magnesia 500 mg) every 12 hours along 12 weeks

    Drug: Placebo oral capsule

  • Experimental
    Ellagic acid

    16 patients to receive 1 homologated intervention capsule (ellagic acid 500 mg) every 12 hours along 12 weeks

    Drug: Ellagic Acid / Pomegranate Extract

Interventions

  • DrugEllagic Acid / Pomegranate Extract

    Polyphenol, ellagitannin, it is found in a wide variety of fruits and nuts; in this particular case, pomegranate extract with 90% ellagic acid, 500 mg capsules. Homologated to the other intervention. Dosage twice a day orally every 12 hours during 12 weeks

    Also known as: benzoaric acid

  • DrugPlacebo oral capsule

    Calcined magnesia in 500mg capsules. Homologated to the other intervention. Dosage twice a day orally every 12 hours during 12 weeks

    Also known as: calcined magnesia

06

What researchers measure

Primary outcomes

  1. waist circunference

    Main criteria for metabolic syndrome diagnosis

    Time frame: baseline to week 12 (end of intervention)

  2. blood pressure

    systolic blood pressure and diastolyc blood pressure by digital blood pressure monitor

    Time frame: baseline to week 12 (end of intervention)

  3. fasting plasma glucose

    fasting plasma glucose by enzimatic-colorimetric automatized technique

    Time frame: baseline to week 12 (end of intervention)

  4. Fasting plasma triglycerides

    fasting plasma triglycerides by enzimatic-colorimetric automatized technique

    Time frame: baseline to week 12 (end of intervention)

  5. Fasting plasma HDL-c concentration

    fasting plasma high density lypoprotein-cholesterol by enzimatic-colorimetric automatized technique

    Time frame: baseline to week 12 (end of intervention)

  6. Insulin sensitivity

    Estimated with Matsuda index. From an oral glucose tolerance test with glucose 75g intake, and each 30 minutes sampling to get insulin and glucose levels; minuted glucose and insulin results will be analized with Matsuda Index to get insulin sensitivity

    Time frame: baseline to week 12 (end of intervention)

  7. Insulin secretion

    Stumvoll index will be used to calculate first-phase and area under curve (AUC) and ratio insulin AUC/glucose AUC for total insulin secretion

    Time frame: baseline to week 12 (end of intervention)

Secondary outcomes

  1. body weight

    body weight measured by bioelectrical impedance scale

    Time frame: baseline to week 12 (end of intervention)

  2. body mass index

    body mass index (BMI) calculated by Quetelet index

    Time frame: baseline to week 12 (end of intervention)

  3. body fat mass

    body fat will be estimated by bioelectrical impedance analysis. Percentage.

    Time frame: baseline to week 12 (end of intervention)

  4. Fasting plasma uric acid

    fasting plasma uric acid by enzimatic-colorimetric automatized technique

    Time frame: baseline to week 12 (end of intervention)

  5. Fasting plasma insulin

    Fasting plasma insulin concentration by immunoassay

    Time frame: baseline / week 12 (end of intervention)

  6. 2 hours after oral-load glucose

    plasma glucose 2 hours after a 75 g oral glucose load

    Time frame: baseline / week 12 (end of intervention)

  7. 2 hours after oral-load insulin

    plasma insulin 2 hours after a 75 g oral glucose load

    Time frame: baseline / week 12 (end of intervention)

  8. total cholesterol

    fasting plasma total cholesterol by enzimatic-colorimetric automatized technique

    Time frame: baseline to week 12 (end of intervention)

  9. Fasting plasma LDL-c concentration

    fasting plasma low-density lipoprotein- cholesterol by enzimatic-colorimetric automatized technique

    Time frame: baseline to week 12 (end of intervention)

  10. Fasting plasma VLDL concentration

    fasting plasma very low-density lipoprotein by enzimatic-colorimetric automatized technique

    Time frame: baseline to week 12 (end of intervention)

  11. Concentration of plasma AST

    aminotransferases by enzimatic-colorimetric automatized technique

    Time frame: baseline / week 12 (end of intervention)

  12. Concentration of plasma ALT

    aminotransferases by enzimatic-colorimetric automatized technique

    Time frame: baseline / week 12 (end of intervention)

  13. Concentration of plasma creatinine

    creatinine by enzimatic-colorimetric automatized technique

    Time frame: baseline / week 12 (end of intervention)

  14. Incidence of Adverse events related to placebo or ellagic acid

    Incidence of placebo or ellagic acid, emergent adverse events will be identified by clinical evaluation

    Time frame: baseline to week 12 (continuous surveillance)

07

Study locations

1 site
  • INSTITUTO DE TERAPÉUTICA EXPERIMENTAL Y CLÍNICA. Centro Universitario de Ciencias de la Salud
    Guadalajara, Jalisco 44340, Mexico
08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 15, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT04011618
Lead sponsor
University of Guadalajara
Collaborators
National Council of Science and Technology, Mexico
Responsible party
Karina Griselda Pérez Rubio (Principal Investigator, University of Guadalajara) — Principal investigator
First posted
Jul 8, 2019
Start date
Sep 17, 2019
Primary completion
Dec 30, 2021
Completion
Dec 2022 (estimated)
Last update
Jun 15, 2022

Study contacts

KARINA G PÉREZ-RUBIO, PhD
principal investigator · University of Guadalajara

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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