- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02088190
Effect of Aging on Bariatric Surgery-induced Changes in Metabolism and Cognition
June 21, 2022 updated by: Ohio State University
The investigators hypothesize that the improvements in insulin sensitivity, beta (β)-cell function, and inflammation will be greater, and the improvement in sarcopenic obesity will be less, in younger versus older individuals after substantial weight loss induced by sleeve gastrectomy bariatric surgery.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
With an aging population that is increasingly susceptible to obesity and obesity-related comorbidities including sarcopenia and diabetes, effective and safe treatment options tailored to the needs of older adults are imperative.
While medication and lifestyle interventions generally fail to achieve sustained large-scale weight loss, bariatric surgery is the most effective long-term weight loss treatment for obese patients and improves many of the medical complications associated with obesity.
Sleeve gastrectomy (SG) results in substantial weight loss and may be more appropriate for older adults due to its low rate of complications and mortality.
Therefore, SG has been proposed as a reasonable primary treatment modality in older obese individuals, with a substantial recent increase in the number of interventions performed.
Despite the potential benefits, very little is known of the physiologic and metabolic effects of bariatric surgery, including SG, on glucose homeostasis and muscle physiology in older adults.
A fundamental understanding of the effects of excess adiposity and weight loss interventions is of profound importance, especially with emerging evidence that earlier treatment of obesity may delay/prevent many comorbidities.
An underlying inflammatory state has been implicated in the pathogenesis of sarcopenia and insulin resistance and may provide an important connection to the age-related declines seen in older obese patients.
Therefore, this study aims to evaluate the modifying effect of age and inflammation on the SG-induced changes in body composition, muscle physiology, and insulin sensitivity.
This protocol will be conducted in two age cohorts (greater than 60 and less than 50 years old).
Study Type
Observational
Enrollment (Actual)
11
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Ohio
-
Columbus, Ohio, United States, 43210
- The Ohio State University
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
21 years to 80 years (Adult, Older Adult)
Accepts Healthy Volunteers
Yes
Genders Eligible for Study
All
Sampling Method
Probability Sample
Study Population
Patients scheduled to undergo laparoscopic sleeve gastrectomy (SG) at The Ohio State University (OSU) Wexner Medical Center will be divided into two cohorts: 1).
Greater than or equal to 60 years of age and 2).
Less than 60 years of age.
Description
Inclusion Criteria:
- Age 21-80 yrs old
- BMI ≥ 35 kg/m2
- Undergoing laparoscopic sleeve gastrectomy (SG)
Exclusion Criteria:
- Smokers
- Presence of diabetes mellitus
- Taking any medication that might affect metabolism
- Severe organ dysfunction
- Pregnant or breastfeeding
- Prior gastrointestinal surgery that might affect study results
- Unable or unwilling to follow the study protocol or any reason the research team believes the subject is not an appropriate candidate for this study
- Weight >450 pounds (Will be unable to fit on the DXA scanner)
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Age group 1
Age > 60 years old
|
Type of bariatric surgery
|
Age group 2
Age < 60 years old
|
Type of bariatric surgery
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Insulin Sensitivity
Time Frame: Change from baseline in Insulin sensitivity at 15% weight loss (up to 4 months after surgery)
|
Subjects will undergo a clamp procedure to assess insulin sensitivity at baseline and 15% weight loss after surgery
|
Change from baseline in Insulin sensitivity at 15% weight loss (up to 4 months after surgery)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Beta cell function
Time Frame: Change from baseline to 15% weight loss (up to 4 months after surgery)
|
Subjects will undergo a mixed meal tolerance test at baseline and 15% weight loss
|
Change from baseline to 15% weight loss (up to 4 months after surgery)
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: David P Bradley, MD, Ohio State University
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
April 1, 2014
Primary Completion (Actual)
November 1, 2018
Study Completion (Actual)
July 1, 2021
Study Registration Dates
First Submitted
March 11, 2014
First Submitted That Met QC Criteria
March 12, 2014
First Posted (Estimate)
March 14, 2014
Study Record Updates
Last Update Posted (Actual)
June 27, 2022
Last Update Submitted That Met QC Criteria
June 21, 2022
Last Verified
June 1, 2022
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- ENDO-235
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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