Understanding blood changes in obesity and diabetes after weight loss surgery

Profiling Extracellular Vesicle Cargo in Obesity and Type 2 Diabetes

Observational Mayo Clinic · NCT06401876

This study looks at blood samples from people with obesity and diabetes before and after weight loss surgery to see how their bodies change and improve in handling sugar.

Quick facts

Study typeObservational
Enrollment60 (estimated)
Ages21 Years and up
SexAll
SponsorMayo Clinic Academic / other
Locations1 site (Jacksonville, Florida)
Trial IDNCT06401876 on ClinicalTrials.gov

What this trial studies

This research aims to collect blood samples from patients before and after undergoing bariatric surgery to investigate the mechanisms behind glucose intolerance and insulin resistance associated with obesity. By analyzing the extracellular vesicle cargo in these samples, the study seeks to uncover the biological factors that contribute to diabetes and the improvements observed post-surgery. The observational nature of the study allows for a detailed examination of patient responses to the surgical intervention over time.

Who should consider this trial

Good fit: Ideal candidates include individuals enrolled in a Bariatric Surgery Program with a recent A1c of 6.5 or higher or those with stable type 2 diabetes.

Not a fit: Patients who are disqualified for bariatric surgery or have a BMI less than 35 kg/m² may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to better understanding and management of diabetes in obese patients, potentially improving treatment strategies.

How similar studies have performed: Other studies have explored the relationship between bariatric surgery and diabetes improvement, indicating potential success in understanding these mechanisms.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Enrolled in the Bariatric Surgery Program.
* Patients with A1c of 6.5 or higher within the last 6 months. OR
* Patients with A1c less than 6.5; have diagnosis of stable type 2 diabetes for \> 6 months.

Exclusion Criteria:

* Disqualified for Bariatric Surgery.
* BMI \< 35 kg/m\^2.

Where this trial is running

Jacksonville, Florida

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Glucose IntoleranceInsulin ResistanceDiabetesBariatric Surgical Procedure
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.