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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT03925909
Other study ID # SaoPSU 13
Secondary ID
Status Terminated
Phase N/A
First received
Last updated
Start date May 1, 2019
Est. completion date March 23, 2020

Study information

Verified date March 2020
Source São Paulo State University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Pre-diabetes is characterized by high plasma concentration of glucose and glycated hemoglobin and is the main risk factor for the development of type 2 diabetes. Several studies show that the intestinal microbiota is intimately linked to cardio-metabolic factors (type 2 diabetes, insulin resistance) when in situations of dysbiosis. Food is a key element for a healthy microbiota, focusing on the consumption of polyphenols that modulate the intestinal environment through its alteration and production of short chain fatty acids, and can thus be a way of reversing situations such as pre- diabetes and insulin resistance. The objective of the study will be to investigate whether chronic supplementation of eriocitrin alters the intestinal microbiota of pre-diabetic and insulin resistant individuals, reversing these situations. This will be done by supplementation of eriocitrin-containing capsules with different dosages in pre-diabetic and insulin resistant individuals. There will be 12 weeks of intervention, with faecal collections, anthropometric and dietary evaluation, and then will be made microbiological analysis to identify the intestinal microbiota and biochemical analysis before and after the intervention. For statistical analysis, normality and homogeneity test (Kolmogorov-Smirnov and Levine test respectively), T-test to compare baseline time between groups and repeated-measures ANOVA (two-way) were used to compare changes within and between groups.


Description:

Individuals of both sexes between 30 and 60 years of age who present fasting glycemia between 100 mg / dL (5,6 mmol / L) and 125 mg / dL (6,9 mmol / L) 50, or concentration of glycated hemoglobin between 5.7% (39 mmol / mole) and 6.4% (47 mmol / mole) 50, or glycemic concentrations in the oral glucose tolerance test between 140mg / dL (7.8 mmol / L) to 199mg / dL (11.0 mmol / L) 50. The study will also include insulin-resistant individuals: insulin above 25 uU / mL, or who present HOMA-IR score above 2.7.

Individuals using supplements (vitamins, bioflavonoids), pregnant women and those who practice intense physical exercise (> 10h / week) will be excluded from the study.

The primary endpoint will be alteration of the microbiota with possible improvement of the glycemic profile, leading to the reversal of pre-diabetes and insulin resistance.


Recruitment information / eligibility

Status Terminated
Enrollment 40
Est. completion date March 23, 2020
Est. primary completion date August 1, 2019
Accepts healthy volunteers No
Gender All
Age group 30 Years to 60 Years
Eligibility Inclusion Criteria:

- 30-60 years

- Increased fasting blood glucose from 6.1 to 7.0 mmol / L or,

- Decreased glucose tolerance of 7 , 8 to 11.1 mmol / L or,

- Glycated hemoglobin with values between 5.7 and 6.4%

Exclusion Criteria:

- Use hypoglycemic, hypolipidemic drugs,

- Use dietary supplements (vitamins, minerals, bioflavonoids, prebiotics, probiotics or other bioactive compounds),

- Exercise intensely (more than 10 hours per week)

- History of cardiovascular diseases , diabetes mellitus, liver and kidney disease.

Study Design


Related Conditions & MeSH terms


Intervention

Dietary Supplement:
Eriocitrin
The responsible nutritionists will do 1) Anthropometric Assessment, in which weight data will be collected (kg); height (m); waist circumference (cm), waist circumference (cm) and hip circumference (cm), muscle mass (kg /%) and percentage of fat by means of bioimpedance equipment; 2) Dietary assessment, which will be performed through a 24-hour Food Recall, a 3-day Food Record and a Food Consumption Frequency Questionnaire; 3) Evaluation of the microbiota, for which stool will be collected from the last 24 hours on the day before the beginning of the experiment and at the end of the study (week 12); 3) Biochemical evaluation, which includes the collection of 30 mL of blood to be performed by trained and qualified technicians.

Locations

Country Name City State
Brazil Sao Paulo State University "Julio de Mesquita Filho" Araraquara SP

Sponsors (1)

Lead Sponsor Collaborator
São Paulo State University

Country where clinical trial is conducted

Brazil, 

Outcome

Type Measure Description Time frame Safety issue
Primary Rate of change in microbiome Changes in microbiome before and after administration of the intervention / placebo 0-12 week
Secondary Rate of change in plasma glucose concentration Changes in serum 2 hours after oral glucose tolerance test, HbA1c, insulin, HOMA-IR before and after administration of the intervention / placebo 0-12 week
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