Status:

RECRUITING

Gut-Brain-axis: Targets for Improvement of Cognition in the Elderly

Lead Sponsor:

Institut d'Investigació Biomèdica de Girona Dr. Josep Trueta

Conditions:

Type 2 Diabetes Mellitus

Eligibility:

All Genders

65-80 years

Brief Summary

Cognitive disorders increase with age and in the presence of metabolic diseases such as Type 2 Diabetes Mellitus (T2DM). In addition, digestive disorders, changes in dietary pattern and decreased acti...

Detailed Description

Subjects and methods: Longitudinal study: Patients with T2DM previously scheduled at the Service of Endocrinology, Diabetes and Nutrition (UDEN) of the Hospital "Dr. Josep Trueta" of Girona (Spain) ...

Eligibility Criteria

Inclusion

  • Group A
  • Age between 55 and 80 years.
  • Patients with recently diagnosed T2DM (last 6 months), according to the WHO classification.
  • Patients in whom written informed consent has been obtained for participation in the study.

Exclusion

  • HbA1c ≥ 9%
  • Metformin treatment in the past 6 months
  • Creatinine greater than 1.2 and glomerular filtration rate less than 40
  • Serious systemic disease not related to obesity, including any type of cancer, severe kidney disease or liver disease, and known type 1 diabetes.
  • Systemic diseases with intrinsic inflammatory activity such as rheumatoid arthritis, Crohn's disease, asthma, or chronic infection (e.g., HIV, active tuberculosis) or any type of infectious disease.
  • Current treatment for malignant neoplasia, other than basal cell or squamous cell skin cancer.
  • Class III or IV heart disease, known ischemic cardiovascular disease
  • Kidney failure, history of kidney transplant, or current dialysis treatment
  • Serum liver enzymes (GOT, GPT) above twice the upper limit of normal. Obvious signs or symptoms of liver disease, acute or chronic hepatitis.
  • Chronic constipation (stool habit ≥ 7 days)
  • Pregnancy or breastfeeding
  • Treatments that affect glucose metabolism or the intestinal microbiota with biguanides, sulfonylurea secretagogues or non-sulfonylurea secretagogues, insulin sensitizers, insulin, thiazolidinediones, alpha glucosidase inhibitors, incretin mimetics, Dipeptidyl peptidase IV inhibitors, use of cathartics.
  • Chronic anti-inflammatory treatment with steroidal drugs (during the previous 3 months).
  • Symptoms and / or clinical signs of infection in the previous month.
  • Antibiotic, antifungal or antiviral treatment active in the previous 3 months.
  • Treatment with glucocorticoids chronic or during the 2 months prior to inclusion in the study.
  • Treatment with a weight loss product during the previous two months
  • Immunosuppressant treatment.
  • Excessive alcohol consumption (alcohol intake greater than 40 g per day (women) or 80 g / day (men)) either acute or chronic, or drug use. History of drug or alcohol abuse.
  • Patients with severe eating disorders
  • History of alterations in iron balance (known chronic hemoglobinopathies or anemia, genetic hemochromatosis, hemosiderosis from any cause, atransferrinemia, paroxysmal nocturnal hemoglobinuria).
  • Important psychiatric history.
  • Participation in any other study.
  • People whose freedom is under legal or administrative requirement.
  • Group B
  • Inclusion Criteria:
  • Age between 65 and 80 years.
  • Patients with long-term T2DM according to the WHO classification
  • Patients in whom written informed consent has been obtained for participation in the study.

Key Trial Info

Start Date :

April 10 2021

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

February 1 2026

Estimated Enrollment :

136 Patients enrolled

Trial Details

Trial ID

NCT04841668

Start Date

April 10 2021

End Date

February 1 2026

Last Update

December 12 2025

Active Locations (1)

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Institut d'Investigació Biomèdica de Girona (IDIBGI)

Girona, Girona, Spain, 17007