RECRUITING

Glucagon-like Peptide 1, Glucose Metabolism and Gastric Bypass

Study Overview

This clinical trial focuses on testing the efficacy of different digital interventions to promote re-engagement in cancer-related long-term follow-up care for adolescent and young adult (AYA) survivors of childhood cancer.

Description

The overall goal of this project is to understand the mechanisms by which gastric bypass surgery improves glucose metabolism. The central hypothesis guiding this project is that the reconfiguration of intestinal transit with the Roux-en-Y will increase the release of insulinotropic GI hormones, termed incretins that improve insulin secretion and glucose metabolism. The study is divided into three specific aims. 1. To determine the role of incretin hormones on insulin secretion in patients with gastric bypass surgery using intravenous-oral hyperglycemic clamp. 2. To compare incretin effect and glucose tolerance among patient who suffer from hypoglycemia after RYGB and asymptomatic surgical and non-surgical individuals. 3. To quantify the contribution of GLP-1 to incretin effect enhancement following surgery.

Official Title

The Role of Glucagon Like Peptide-1 in Glucose Metabolism and Weight Loss Following Gastric Bypass Surgery

Quick Facts

Study Start:2005-11
Study Completion:2026-08
Study Type:Not specified
Phase:Not Applicable
Enrollment:Not specified
Status:RECRUITING

Study ID

NCT01803451

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.

Ages Eligible for Study:18 Years to 65 Years
Sexes Eligible for Study:ALL
Accepts Healthy Volunteers:Yes
Standard Ages:ADULT, OLDER_ADULT
Inclusion CriteriaExclusion Criteria
  1. * age 18-65
  2. * healthy control without diabetes or active organ disease
  3. * Individuals with bariatric surgery
  4. * recurrent hypoglycemia post gastric bypass
  1. * pregnancy
  2. * significant anemia
  3. * diabetes currently unless pre-op for bariatric surgery procedure
  4. * GI obstruction

Contacts and Locations

Study Contact

Marzieh Salehi, MD MS
CONTACT
210-567-6691
salehi@uthscsa.edu
Andrea Hansis-Diarte
CONTACT
210-567-6691
HansisDiarte@uthscsa.edu

Principal Investigator

Marzieh Salehi, MD,MS
PRINCIPAL_INVESTIGATOR
Marzieh Salehi

Study Locations (Sites)

Texas Diabetes Institute - University Health System
San Antonio, Texas, 78207
United States
South Texas Veterans Health Care System
San Antonio, Texas, 78229
United States

Collaborators and Investigators

Sponsor: The University of Texas Health Science Center at San Antonio

  • Marzieh Salehi, MD,MS, PRINCIPAL_INVESTIGATOR, Marzieh Salehi

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 Registration Dates

Study Start Date2005-11
Study Completion Date2026-08

Study Record Updates

Study Start Date2005-11
Study Completion Date2026-08

Terms related to this study

Keywords Provided by Researchers

  • gastric bypass
  • glucose metabolism
  • hypoglycemia

Additional Relevant MeSH Terms

  • Post-bariatric Surgery