- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04341571
Effect of Probiotics Versus Metformin on Glycemic Control, Insulin Sensitivity and Insulin Secretion in Prediabetes.
Effect of the Administration of Probiotics Versus Metformin on Glycemic Control, Insulin Sensitivity and Insulin Secretion in Patients With Prediabetes.
Pre diabetes (PD) is a term that refers to alterations in blood glucose levels, including impaired fasting glucose (IFG), impaired glucose tolerance (IGT) or both, and increase in glycated hemoglobin (HbA1c), all this factors involving a higher risk to develop type 2 diabetes mellitus (T2DM).
The efficacy of pharmacotherapy in the prevention of diabetes in adults with pre diabetes has been demonstrated, the first line of pharmacology treatment is metformin, on the other hand, probiotics administration has been reported to be one of the most widely used approaches to modulate the gut microbiota and subsequently prevent or delay the incidence of T2DM.
Probiotics are live microorganisms which when administered in adequate amounts confer a health benefit on the host. Has been demonstrated the hypoglycemic effects of the probiotics in different clinical trials in type 2 diabetes mellitus and pre diabetes, but no yet compared with metformin, for this reason comparing it´s activity against metformin in pre diabetes would provide impact information on a new alternative treatment compared with the standard pharmacological treatment.
The aim of the study is evaluate the effect of administration of probiotic versus metformin on glycemic control, insulin secretion and insulin sensitivity in patients with pre diabetes.
Study Overview
Status
Intervention / Treatment
Detailed Description
A randomized, double-blind controlled clinical trial in 30 patients between 31 to 60 years of age with a diagnosis of prediabetes (IFG 100 a 125 mg/dL, IGT 140 a 199 mg/dL, HbA1c 5.7 a 6.4%) in accordance with the American Diabetes Association without treatment.
Patients with one or more of the following criteria will be excluded: History of liver, kidney or heart disease; systolic blood pressure ≥ 140 mmHg, diastolic blood pressure ≥ 90 mmHg, HbA1c ≥6.5%, triglycerides ≥ 400 mg/dL, total cholesterol ≥240 mg/dL; pregnancy or lactation; consumption of medications or supplements with effects on glucose levels.
They will be assigned randomly two groups of 15 patients; one of the groups will receive 750 mg of metformin twice at day (before breakfast and dinner) for 13 weeks.
The other group will receive 400 mg of probiotics 1 time at day (before breakfast) and placebo pill (before dinner) for 13 weeks.
They will be measured fasting blood glucose, postprandial glucose levels and glycosylated hemoglobin, and will be calculated area under curve of glucose an insulin, total insulin secretion (Insolinogenic index), first-phase of insulin secretion (Strumvoll index) and insulin sensitivity (Matsuda index).
This protocol It´s already approved by the local ethics committee and written informed consent it´s going to be obtained from all volunteers.
Statistical analysis will be presented through measures of central tendency and dispersion, average and deviation standard for quantitative variables; frequencies and percentage for qualitative variable. Will be used Wilcoxon range test for identification of differences between baseline and final evaluation of each intervention group, Mann-Whitney U Test and Wilcoxon Test for the within-groups differences. It will be considered satitistical significance p >0.05.
Study Type
Enrollment (Estimated)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Jalisco
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Guadalajara, Jalisco, Mexico, 44340
- INSTITUTO DE TERAPÉUTICA EXPERIMENTAL Y CLÍNICA. Centro Universitario de Ciencias de la Salud
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients both sexes
- Age between 31 and 60 years
- Diagnosis of prediabetes according ADA criteria (fasting blood glucose levels between 100-125 mg/dL, postprandial blood glucose levels after an oral glucose tolerance test with 75 g of oral glucose between 140-199 mg/dL and glycated hemoglobin between 5.7-6.4 %)
- Body Mass Index from 25 to 34.9 kg/m2
- Stable weight at least the previous last 3 months (weight variation less than 10%)
- Acceptance and signing of informed consent
Exclusion Criteria:
- History of kidney, liver or heart disease
- Women with confirmed or suspected pregnancy
- Women under lactation and/or puerperium
- Physical impossibility for taking pills
- Hypersensibility to ingredients of intervention
- Consumption of medications or supplements with effects on glucose levels
- Systolic blood pressure ≥ 140 mmHg
- Diastolic blood pressure ≥ 90 mmHg
- HbA1c ≥6.5%
- Triglycerides ≥ 400 mg/dL
- Total cholesterol ≥ 240 mg/dL
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Probiotics
15 patients to receive homologated intervention capsule (probiotics lactobacillus acidophilus y bifidobacterium lactis 400 mg) 1 time at day before breakfast along 13 weeks and receive 1 homologated placebo capsule (calcinated magnesia 500 mg) 1 time at day before dinner along 13 weeks.
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Probiotics capsules (lactobacillus acidophilus y bifidobacterium lactis) 400 mg 1 time at day before breakfast and one placebo capsule before dinner during 13 weeks.
Homologated to the other intervention.
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Experimental: Metformin
15 patients to receive homologated intervention capsule (metformin 750 mg) twice at day before breakfast and dinner for 13 weeks.
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Metformin capsules, 750 mg, two pere day before breakfast and dinner during 13 weeks. Homologated to the other intervention. |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Fasting glucose levels
Time Frame: Baseline to week 13 (end of intervention)
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The fasting glucose levels will be evaluated at baseline and week 13 by enzymatic- colorimetric technique to get fasting glucose level
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Baseline to week 13 (end of intervention)
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Postpandrial glucose levels
Time Frame: Baseline to week 13 (end of intervention)
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Glucose will be evaluated at baseline and week 13 after a oral glucose tolerance test with enzymatic-colorimetric technique
|
Baseline to week 13 (end of intervention)
|
Glycosylated hemoglobin
Time Frame: Baseline to week 13 (end of intervention)
|
Glycosylated hemoglobin will be evaluated at baseline and week 13 by high efficiency liquid chromatography.
|
Baseline to week 13 (end of intervention)
|
Insulin sensitivity
Time Frame: Baseline to week 13 (end of intervention)
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Insulin sensitivity will be calculated at baseline and week 13 with Matsuda index to get insuline sensitivity
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Baseline to week 13 (end of intervention)
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Total insulin secretion
Time Frame: Baseline to week 13 (end of intervention)
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Total insulin secretion will be calculated at baseline and week 13 with Insulinogenic index to get total insulin secretion
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Baseline to week 13 (end of intervention)
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First phase of insuline secretion
Time Frame: Baseline to week 13 (end of intervention)
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The first phase if insuline secretion will be calculated at baseline and week 13 with Stumvoll index to get first phase of insuline secretion
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Baseline to week 13 (end of intervention)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Body weight
Time Frame: Baseline to week 13 (end of intervention)
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Body weight will be measured at baseline and week 13 with a bioimpedance balance
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Baseline to week 13 (end of intervention)
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Body mass index (BMI)
Time Frame: Baseline to week 13 (end of intervention)
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Body mass index will be calculated at baseline and week 13 with the Quetelet index formula
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Baseline to week 13 (end of intervention)
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Waist circunference
Time Frame: Baseline to week 13 (end of intervention)
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Waist circunference will be evaluated at baseline and week 13 by World Health Organization technique
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Baseline to week 13 (end of intervention)
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Blood pressure
Time Frame: Baseline to week 13 (end of intervention)
|
Systolic blood pressure and diastolyc blood pressure will be measured at baseline and week 13 with a digital sphygmomanometer three times in each arm to get an average
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Baseline to week 13 (end of intervention)
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Total cholesterol
Time Frame: Baseline to week 13 (end of intervention)
|
Total chilesterol level will be evaluated at baseline and week 13 by enzymatic- colorimetric technique to get total cholesterol level
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Baseline to week 13 (end of intervention)
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High density lipoprotein (c-HDL)
Time Frame: Baseline to week 13 (end of intervention)
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High density lipoprotein (c-HDL) level will be evaluated at baseline and week 13 by enzymatic- colorimetric technique to get c-HDL level
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Baseline to week 13 (end of intervention)
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Low density lipoprotein (c-LDL)
Time Frame: Baseline to week 13 (end of intervention)
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Low density lipoprotein (c-LDL) level will be calculated at baseline and week 13 with Friedewald formula to get c-LDL level
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Baseline to week 13 (end of intervention)
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Very low density lipoprotein (VLDL)
Time Frame: Baseline to week 13 (end of intervention)
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Very low density lipoprotein (VLDL) level will be calculated at baseline and week 13 with triglycerides concentration/5 formula to get VLDL level
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Baseline to week 13 (end of intervention)
|
Fasting blood triglycerides concentration
Time Frame: Baseline to week 13 (end of intervention)
|
Fasting blood triglycerides concentration level will be evaluated at baseline and week 13 by enzymatic- colorimetric technique to get triglycerides concentration
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Baseline to week 13 (end of intervention)
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Concentration of blood creatinine
Time Frame: Baseline to week 13 (end of intervention)
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Concentration of blood creatinine level will be evaluated at baseline and week 13 by enzymatic-colorimetric technique to get creatinine level
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Baseline to week 13 (end of intervention)
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Concentration of blood alanine aminostranferase (ALT)
Time Frame: Baseline to week 13 (end of intervention)
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Concentration of blood alanine aminostranferase level will be evaluated at baseline and week 13 by enzymatic-colorimetric technique to get ALT level
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Baseline to week 13 (end of intervention)
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Concentration of blood aspartate aminostranferase (AST)
Time Frame: Baseline to week 13 (end of intervention)
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Concentration of blood aspartate aminostranferase level will be evaluated at baseline and week 13 by enzymatic-colorimetric technique to get AST level
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Baseline to week 13 (end of intervention)
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Incidence of treatment-Emergent Adverse Events
Time Frame: Baseline to week 13 (continuous surveiilance)
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Incidence of treatment-Emergent Adverse Events of probiotics+placebo or metformin will be identified by clinical evaluation from baseline week to week 13 with continuous surveiilance
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Baseline to week 13 (continuous surveiilance)
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: KARINA G PÉREZ-RUBIO, PhD, University of Guadalajara
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- Probiotics-Prediabetes
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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