Fenugreek has been shown to have beneficial effects on various metabolic abnormalities associated with metabolic syndrome (MS). However, no clinical trials have evaluated its effect on all components of MS, insulin sensitivity, and insulin secretion. Therefore, the main objective of this study is to assess the effect of fenugreek seed administration versus placebo on the components of metabolic syndrome, insulin sensitivity, and insulin secretion.
A randomized, double-blind, placebo controlled clinical trial will be conducted in 28 patients with metabolic syndrome according to the criteria of the International Diabetes Federation. Patients will be assigned to two different arms: one group will receive fenugreek seed extract (1500 mg/day) or a matched placebo for 12 weeks. At the beginning and end of the intervention, the following measurements will be taken: body weight, body mass index, waist circumference, body fat percentage, systolic blood pressure, diastolic blood pressure, glucose, triglycerides, total cholesterol, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, very-low-density lipoprotein, insulin, creatinine, uric acid, alanine aminotransferase, and aspartate aminotransferase. In addition, insulin sensitivity and insulin secretion will be calculated. Written informed consent will be obtained from all volunteers.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
28
Fenugreek seed: 1500 mg per day for 12 weeks
Placebo: Calcined magnesia 1500 mg per day for 12 weeks
Instituto de Terapéutica Experimental y Clínica (INTEC), Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara.
Guadalajara, Jalisco, Mexico
Waist Circumference (WC)
Waist Circumference (WC) is evaluated at baseline and after 12 weeks with a flexible tape in the midpoint between the lowest rib and the iliac crest
Time frame: Baseline to week 12 (end of intervention)
Systolic Blood Pressure (SBP)
Systolic Blood Pressure (SBP) is measured at baseline and after 12 weeks with a digital sphygmomanometer
Time frame: Baseline to week 12 (end of intervention)
Diastolic Blood Pressure (DBP)
Diastolic Blood Pressure (DBP) is measured at baseline and after 12 weeks with a digital sphygmomanometer
Time frame: Baseline to week 12 (end of intervention)
High Density Lipoprotein Cholesterol (HDL-c)
High Density Lipoprotein Cholestero (HDL-c) is evaluated at baseline and after 12 weeks with enzymatic/colorimetric techniques
Time frame: Baseline to week 12 (end of intervention)
Triglycerides (TG)
Triglycerides (TG) are evaluated at baseline and after 12 weeks with enzymatic/colorimetric techniques
Time frame: Baseline to week 12 (end of intervention)
Fasting Plasma Glucose (FPG)
Fasting Plasma Glucose (FPG) is evaluated at baseline and after 12 weeks with enzymatic/colorimetric techniques
Time frame: Baseline to week 12 (end of intervention)
Insulin Sensitivity (IS)
Insulin Sensitivity (IS) will be calculated at baseline and week 12 with Matsuda index to get insulin sensitivity
Time frame: Baseline to week 12 (end of intervention)
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Total Insulin Secretion (TIS)
Total Insulin Secretion (TIS) will be calculated at baseline and week 12. It is the result of the ratio between the AUC of insulin in a 2-h OGTT and the AUC of glucose in a 2-h OGTT. It allows estimating the proportion of total insulin secretion in relation to plasma glucose concentration.
Time frame: Baseline to week 12 (end of intervention)
First Phase of Insulin Secretion (FPIS)
The First Phase if Insulin Secretion (FPIS) will be calculated at baseline and week 12 with Stumvoll index to get first phase of insulin secretion
Time frame: Baseline to week 12 (end of intervention)
Body Weight (BW)
Body Weight (BW) is evaluated at baseline and after 12 weeks with an inbody 270
Time frame: Baseline to week 12 (end of intervention)
Body Mass Index (BMI)
Body Mass Index (BMI) is calculated at baseline and after 12 weeks with the Quetelet index formula
Time frame: Baseline to week 12 (end of intervention)
Body Fat Percentage (BF%)
Body Fat Percentage (BF%) will be measured at baseline and week 12 with a bioimpedance analysis
Time frame: Baseline to week 12 (end of intervention)
Total Cholesterol (TC)
Total Cholesterol (TC) is evaluated at baseline and after 12 weeks with enzymatic/colorimetric techniques
Time frame: Baseline to week 12 (end of intervention)
Low Density Lipoprotein Cholesterol (LDL-c)
Low Density Lipoprotein Cholesterol (LDL-c) level will be calculated at baseline and week 12 with Friedewald formula to get LDL-c level
Time frame: Baseline to week 12 (end of intervention)
Very Low Density Lipoprotein (VLDL)
Very Low Density Lipoprotein (VLDL) is calculated at baseline and after 12 weeks as triglycerides/5
Time frame: Baseline to week 12 (end of intervention)
Aspartate Aminotransferase (AST)
Aspartate Aminotransferase (AST) is evaluated at baseline and after 12 weeks with enzymatic/colorimetric techniques
Time frame: Baseline to week 12 (end of intervention)
Alanine Aminotransferase (ALT)
Alanine Aminotransferase (ALT) is evaluated at baseline and after 12 weeks with enzymatic/colorimetric techniques
Time frame: Baseline to week 12 (end of intervention)
Creatinine
Creatinine is evaluated at baseline and after 12 weeks with enzymatic/colorimetric techniques
Time frame: Baseline to week 12 (end of intervention)
Uric Acid (UA)
Uric Acid (UA) is evaluated at baseline and after 12 weeks with enzymatic-colorimetric techniques
Time frame: Baseline to week 12 (end of intervention)
Adverse Events (AE)
Adverse Events (AE) of fenugreek seed or placebo will be identified by clinical evaluation from baseline week to week 12 with continuous surveillance
Time frame: Baseline to week 12 (end of intervention)