NCT04242524Completed
The Impact of Bariatric Surgery on Adipocyte Metabolism
Source: ClinicalTrials.gov · Last updated 13 Feb 2026
Brief summary (registry, in English)
The purpose of this study is to understand how daily rhythms of behavior affect the expression of genes in fat cells, and how these daily cycles affect the way fat cells respond to insulin (a hormone that controls blood sugar levels) before and after bariatric surgery.
- Status (registry)
- Completed
- Study type
- Interventional
- Enrollment
- 28 (actual)
- First submitted
- 23 Jan 2020
- Start date
- 26 Mar 2015
- Primary completion date
- 15 Dec 2025
- Lead sponsor
- University of Chicago
- Diseases
- Obesity
- NCT number
- NCT04242524
What you commit to
- Study type: Interventional
- Participants enrolled: 28
- From 26 Mar 2015 to the primary completion date, 15 Dec 2025
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Subjects will not have undergone surgery, donated a unit of blood, or participated in another clinical study within the last 4 weeks prior to consent.
- Subjects will not have undergone surgery, donated a unit of blood, or participated in another clinical study within the last 4 weeks prior to consent.
Other illness
- Diagnosed with a systemic illnesses, including heart, renal, liver, or malignant disease
- Uncontrolled hypertension (blood pressure greater than 140 mmHg systolic and 90 mmHg diastolic without medication)
- known allergy to lidocaine
- Diagnosed with a systemic illnesses, including heart, renal, liver, or malignant disease
- Uncontrolled hypertension (blood pressure greater than 140 mmHg systolic and 90 mmHg diastolic without medication)
- known allergy to lidocaine
Lab values
- hemoglobin less than 11.5g/dL
- hemoglobin less than 11.5g/dL
Other
- Male
- use of beta blockers
- pregnancy
- lactation
- Post-menopausal
- Non-Obese Subjects
- Male
- use of beta blockers
- pregnancy
- lactation
- Post-menopausal
Who the study is looking for
- 18-55 years old
- Female
- BMI greater than 40 kg/m2
- Scheduled for bariatric surgery at the Center for the Surgical Treatment of Obesity at the University of Chicago
- Signed informed consent
- 18-55 years old
- Female
- BMI less than 30 kg/m2
- Signed informed consent
Criteria the registry did not label
- Obese Subjects
Age in the registry: 18 years to 55 years · Sex: Female · Accepts healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| University of Chicago Coordinator of this site? Confirm its status | Chicago | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.