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Probiotic Effects in Type 2 Diabetes

The Effects of Probiotics on Metabolic Biomarkers, Inflammation, and the Antioxidant System in Patients With Type 2 Diabetes Mellitus

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07330388
Enrollment
77
Registered
2026-01-09
Start date
2020-07-01
Completion date
2023-06-01
Last updated
2026-01-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Antioxidant Effect, Diabetes Mellitus (Type 2), Glucose Metabolism, Inflammation, Lipid Metabolism, Probiotics

Brief summary

Adult-onset diabetes is a disease characterized by high blood glucose levels and is one of the leading causes of cardiovascular disease, blindness, end-stage renal failure, and hospitalization. Recent studies support the idea that bacteria found in the gut may play an important role in the development and progression of diabetes. Changes in the gut bacterial environment can affect blood glucose and blood lipids. A increasing number of recent studies have shown that probiotics can alter the gut bacterial environment and reduce blood glucose and blood lipids. The aim of this study is to investigate the effects of probiotics, administered in addition to your current medications, on blood glucose and blood lipids.

Detailed description

Participants aged 35-65 years diagnosed with T2DM were allocated sequentially according to order of presentation to either probiotic group (n=39) or control group (n=38). The intervention group received a multi-strain probiotic supplement containing Lactobacillus acidophilus, Lactobacillus rhamnosus, Bifidobacterium lactis and Lactobacillus paracasei, twice daily for 12 weeks, while the control group continued standard care. This study evaluated anthropometric measurements, eating attitudes, dietary frequency, quality of life, and physical activity. Biochemical analyses included glycemic control, lipid profiles, inflammation markers (high-sensitivity C-Reactive Protein, Ceruloplasmin), and oxidative stress markers (Malondialdehyde, Glutathione).

Interventions

DIETARY_SUPPLEMENTProbiotic group

Patients in the intervention group were given a probiotic supplement containing Lactobacillus acidophilus, Lactobacillus rhamnosus, Bifidobacterium lactis and Lactobacillus paracasei, each containing 1.25 billion live microorganisms, without vitamins and minerals, twice a day in addition to their current treatment for 12 weeks (Probiotic group). Patients in the control group were not given any additional treatment and were allowed to continue their routine antidiabetic treatment for 12 weeks (Control group).

Sponsors

Ege University
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

Participants were allocated sequentially according to order of presentation (alternate allocation). According to the order of presentation to the outpatient clinic, the first patient who met the inclusion criteria was included in the probiotic group and the second patient who presented to the outpatient clinic was included in the control group. Patients in the intervention group were given a probiotic supplement containing Lactobacillus acidophilus, Lactobacillus rhamnosus, Bifidobacterium lactis and Lactobacillus paracasei, each containing 1.25 billion live microorganisms, without vitamins and minerals, twice a day in addition to their current treatment for 12 weeks (Probiotic group). Patients in the control group were not given any additional treatment and were allowed to continue their antidiabetic treatment for 12 weeks (Control group).

Eligibility

Sex/Gender
ALL
Age
35 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* Adults aged 35-65 years * Previously diagnosed with T2DM * Volunteering to participate in this study.

Exclusion criteria

* Use of any systemic antibiotics, multivitamins, minerals, herbal medicines, prebiotic, probiotic and postbiotic supplements in the last 3-6 months * Having a diagnosis of any inflammatory bowel disease, severe renal dysfunction or hepatic dysfunction, immunodeficiency diseases, acute infection, rheumatoid arthritis, cancer history * history of alcohol abuse or drug dependence, * pregnant or lactating women

Design outcomes

Primary

MeasureTime frameDescription
Efficacy of probiotics on inflammatory markersFrom enrollment to the end of treatment at 12 weekshs-CRP
Efficacy of probiotics on antioxydant systemsFrom enrollment to the end of treatment at 12 weeksGlutathion

Secondary

MeasureTime frameDescription
Efficacy of probiotics on glucose metabolismFrom enrollment to the end of treatment at 12 weeksPostprandial Blood Glucose
Efficacy of probiotics on lipid metabolismFrom enrollment to the end of treatment at 12 weeksLDL Cholesterol

Countries

Turkey (Türkiye)

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 23, 2026