- Conditions
- Insulin Resistance, Obesity
- Interventions
- Roux-en-Y Gastric Bypass (RYGBP), Sleeve Gastrectomy (SG), Very Low Calorie Diet (VLCD)
- Procedure · Behavioral
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 70 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2023
- U.S. locations
- 1
- States / cities
- New York, New York
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–13
of 13
matching trials from the live ClinicalTrials.gov search.
- Conditions
- NAFLD
- Interventions
- Dietary intervention with very low calorie diet (VLCD), Control Arm
- Dietary Supplement · Other
- Lead sponsor
- University of Iowa
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2026
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
- Conditions
- Kidney Stone
- Interventions
- Low Oxalate Diet before Weight Loss, Oral load of oxalate and sucralose before Weight Loss, Optifast VLCD Program, Optifast VLCD Transition Phase, Low Oxalate Diet after Weight Loss, Oral load of oxalate and sucralose after Weight Loss
- Dietary Supplement
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 19 Years to 65 Years
- Enrollment
- 14 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Obesity
- Interventions
- Moderate intensity weight loss, High intensity medical weight loss
- Behavioral
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 28 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Obesity
- Interventions
- Comprehensive weight management program
- Other
- Lead sponsor
- Société des Produits Nestlé (SPN)
- Industry
- Eligibility
- Not listed
- Enrollment
- 153 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009
- U.S. locations
- 4
- States / cities
- Fort Wayne, Indiana • Des Moines, Iowa • East Lansing, Michigan + 1 more
- Conditions
- Type 2 Diabetes Mellitus
- Interventions
- OPTIFAST
- Other
- Lead sponsor
- Moahad S Dar
- Other
- Eligibility
- 25 Years to 70 Years
- Enrollment
- 5 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018
- U.S. locations
- 1
- States / cities
- Greenville, North Carolina
- Conditions
- Obesity
- Interventions
- Optifast, Food-Based
- Other
- Lead sponsor
- Société des Produits Nestlé (SPN)
- Industry
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 330 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2017
- U.S. locations
- 9
- States / cities
- Anchorage, Alaska • Schaumburg, Illinois • Ann Arbor, Michigan + 6 more
- Conditions
- Obesity
- Interventions
- Roux-en-Y Gastric Bypass (RYGB), Sleeve Gastrectomy (SG), Very Low Calorie Diet (VLCD)
- Procedure · Behavioral
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 51 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2025
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Obesity, Sedentary Lifestyle, Insulin Resistance
- Interventions
- Physical activity recommendations, Weight maintenance recommendations, OPTIFAST weight loss
- Behavioral
- Lead sponsor
- East Carolina University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 39 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Greenville, North Carolina
- Conditions
- Nonalcoholic Fatty Liver Disease, Hepatic Steatosis, Steatohepatitis
- Interventions
- Optifast 800
- Dietary Supplement
- Lead sponsor
- Dartmouth-Hitchcock Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 65 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 3
- States / cities
- Worcester, Massachusetts • Lebanon, New Hampshire • Burlington, Vermont
- Conditions
- Obesity
- Interventions
- Optifast Products
- Dietary Supplement
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- Jacksonville, Florida
- Conditions
- Type 2 Diabetes, Obesity
- Interventions
- Very Low Calorie Diet
- Other
- Lead sponsor
- Durham VA Medical Center
- Federal
- Eligibility
- 25 Years to 75 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Greenville, North Carolina
- Conditions
- Obesity
- Interventions
- Low calorie total meal replacement, Low calorie typical diet
- Other
- Lead sponsor
- Texas Tech University
- Other
- Eligibility
- 19 Years to 60 Years
- Enrollment
- 32 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016
- U.S. locations
- 1
- States / cities
- Lubbock, Texas