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Stable Isotopes- Adults With Obesity

University of Illinois at Urbana-Champaign · NCT07020741

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Opens the official ClinicalTrials.gov record, with the study team’s contacts. Bored Studies doesn’t enroll anyone.

Key facts

Compensation
Not posted. Ask the study team before screening.
Who can join
Ages 19–59 · All sexes
Healthy volunteers
Accepted
Study type
Interventional · Not applicable
Target enrollment
8
US sites recruiting
1
Study start
September 12, 2025
Record last updated
April 29, 2026

Status re-checked against ClinicalTrials.gov within the last 12 hours.

What the study is about

In a crossover design, 8 participants will receive caloric drinks containing stable isotopes. In one arm of the study, participants will consume 6 hourly drinks containing two stable isotopes. Repeated blood, breath, urine, and muscle biopsies will be taken. In the second arm, participants will consume 1 drink containing 75g glucose, labeled with two stable isotopes of glucose. Periodic blood and breath will be taken over three hours.

Being studied: Indispensable Amino Acid Oxidation; Stable Isotope Oral Glucose Tolerance Test

Conditions: Obese Patients (BMI ≥ 30 kg/m²); Glucose Metabolism; Protein Metabolism

Eligibility criteria

Copied from the official record. The study team makes the final decision at screening.

Show full criteria

Inclusion Criteria

  • ages 19-59
  • Obese >/= 30 kg/m\^2 and >/= 102 cm for males and >/= 88 cm for females
  • Godin Leisure-time or exercise questionnaire \<14 units

Exclusion Criteria

  • Pregnant or become pregnant
  • Any known food allergies
  • Smoker
  • Are physically active
  • Have any known metabolic diseases
  • Have been weight unstable within the last 6 months (lost or gained >10% of body mass)
  • Non eumenorrheic or on a hormonal birth control

Recruiting US locations

  • Freer Hall - University of Illinois

    Urbana, IL 61801

    Site contact: Nicholas Burd (Associate Professor), PhD · 2172440970 · naburd@illinois.edu

Study contacts (from the official record)

  • Nicholas Burd (Associate Professor), PhD · 2172440970 · naburd@illinois.edu
  • Gena L Irwin (Research Assistant), M.S · 3608883281 · genai2@illinois.edu
All weight loss studies in Illinois →
Stable Isotopes- Adults With Obesity (NCT07020741) | Bored Studies