Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 25, 2026, 10:22 PM EDT

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Showing 1–9 of 9 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed No phase listed Observational Accepts healthy volunteers

Vitamin D Status and Metabolism in Human Pregnancy

NCT03051867
Conditions
Pregnancy
Interventions
Not listed
Lead sponsor
Cornell University
Other
Eligibility
21 Years and older · Female only
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Ithaca, New York
Conditions
Long COVID-19 Syndrome
Interventions
Low carbohydrate diet intervention
Dietary Supplement
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Bipolar I Disorder, Psychosis, Schizoaffective Disorder
Interventions
Ketogenic diet, Dietary Guidelines for Americans
Other
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Belmont, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Individual Metabolism and Physiology Signature Study

NCT02298725
Conditions
Insulin Resistance, Metabolic Syndrome X, Obesity
Interventions
DGA Diet Plan, NHANES Diet Plan
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
20 Years to 65 Years · Female only
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
2
States / cities
Davis, California • Sacramento, California
Completed Not applicable Interventional Accepts healthy volunteers

ChronoMet: Metabolic and Inflammatory Effects of Eating Timing and Quantity

NCT06161337
Conditions
Healthy Volunteers
Interventions
Meals
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Chronic Fatigue Syndrome (CFS), Myalgic Encephalomyelitis (ME)
Interventions
Methyl-P plus Nutrient Formula, Methyl-P plus Nutrient matched placebos
Drug
Lead sponsor
K-PAX Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 59 Years
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
4
States / cities
Stanford, California • Fort Lauderdale, Florida • New York, New York + 1 more
Conditions
Obesity and Type 2 Diabetes
Interventions
Behavioral Skill Training, Meal Provisioning
Behavioral · Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Buffalo, New York
Completed Not applicable Interventional Accepts healthy volunteers

Paleolithic Diet and Exercise Study

NCT00360516
Conditions
Diet
Interventions
metabolic (nutrient controlled) diet
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
San Francisco, California
Conditions
Type 2 Diabetes Mellitus, Obesity
Interventions
Roux-en-Y Gastric Bypass Surgery, Laparoscopic Adjustable Gastric Banding, Lifestyle Weight Loss Intervention
Procedure · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
25 Years to 55 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania