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ClinicalTrials.gov public records Last synced Nov 10, 2026, 5:46 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 49–72 of 242 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: oral intake Clear all

Conditions: PKU
Interventions: Nonradioactive stable oral isotope, Test diet; Other
Lead sponsor: Emory University; Other
Eligibility: 18 Years and older
Enrollment: 18 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: Atlanta, Georgia

Conditions: Smoking
Interventions: Varenicline, Placebo; Drug
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years to 40 Years · Male only
Enrollment: 19 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2007 – 2010
U.S. locations: 1
States / cities: Rochester, Minnesota

Conditions: Oxygen Toxicity, Hypercapnia, Seizures
Interventions: Sleep Deprivation, Caffeine, Methylphenidate, Sodium bicarbonate; Behavioral · Drug
Lead sponsor: Duke University; Other
Eligibility: 18 Years to 45 Years
Enrollment: 62 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2026
U.S. locations: 1
States / cities: Durham, North Carolina

Conditions: AKI
Interventions: Nicotinamide Riboside + Pterostilbene, Placebo; Drug
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years and older
Enrollment: 54 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2024
U.S. locations: 1
States / cities: Rochester, Minnesota

Conditions: Opioid Dependence, Obesity
Interventions: Sniffin' Sticks Odor Identification and Hedonic Scale, Sucrose Taste Preference Assessment, Food Preferences Task, Progressive Ratio (PR) Task, Clinical Electrophysiology, Standardized Meal and Hunger and Satiety Ratings; Behavioral · Procedure · Dietary Supplement
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years to 60 Years
Enrollment: 45 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2020
U.S. locations: 2
States / cities: Baltimore, Maryland

Conditions: Lung Diseases, Interstitial
Interventions: Nintedanib, Placebo; Drug
Lead sponsor: Boehringer Ingelheim; Industry
Eligibility: 6 Years to 17 Years
Enrollment: 39 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2022
U.S. locations: 9
States / cities: Los Angeles, California • Aurora, Colorado • Indianapolis, Indiana + 6 more

Conditions: Hepatitis C, Pregnancy Complications
Interventions: Glecaprevir-pibrentasvir; Drug
Lead sponsor: Washington University School of Medicine; Other
Eligibility: 18 Years and older · Female only
Enrollment: 50 participants
Timeline: 2024 – 2026
U.S. locations: 2
States / cities: St Louis, Missouri

Conditions: Cirrhosis
Interventions: EAS Myoplex Protein Drink + 10gm lactulose; Dietary Supplement
Lead sponsor: St. Luke's Hospital and Health Network, Pennsylvania; Other
Eligibility: 18 Years to 75 Years
Enrollment: 12 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015 – 2016
U.S. locations: 1
States / cities: Bethlehem, Pennsylvania

Conditions: Basic Science, Intervention Studies, Biomarker Discovery
Interventions: Oral Lozenges (Tradename pHossident), Water additive (Tradename Protektin); Dietary Supplement
Lead sponsor: Delta Dental of Minnesota Foundation; Other
Eligibility: 18 Years to 80 Years
Enrollment: 595 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Minneapolis, Minnesota

Conditions: Blood Pressure
Interventions: Potassium Chloride, Placebo; Dietary Supplement · Other
Lead sponsor: Tulane University; Other
Eligibility: 18 Years and older
Enrollment: 25 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2024
U.S. locations: 1
States / cities: New Orleans, Louisiana

Conditions: Obesity
Interventions: S-2367 Placebo, S-2367 1600 mg q.d. 54 Weeks, S-2367 1600 mg q.d. 60 weeks, LCD (low calorie diet), RCD (reduced calorie diet); Drug · Other
Lead sponsor: Shionogi; Industry
Eligibility: 18 Years to 65 Years
Enrollment: 842 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2007 – 2009
U.S. locations: 40
States / cities: Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 37 more

Conditions: Oligoastrocytoma, Mixed, Anaplastic Oligodendroglioma
Interventions: Temozolomide; Drug
Lead sponsor: Ohio State University Comprehensive Cancer Center; Other
Eligibility: 18 Years and older
Enrollment: 1 participant
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2011
U.S. locations: 1
States / cities: Columbus, Ohio

Conditions: Arrhythmia Prophylaxis, Ventricular Arrhythmia
Interventions: Celivarone, Amiodarone, Matching placebo; Drug
Lead sponsor: Sanofi; Industry
Eligibility: 21 Years and older
Enrollment: 486 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2011
U.S. locations: 37
States / cities: Huntsville, Alabama • Mobile, Alabama • Mesa, Arizona + 33 more

Conditions: NIDDM, Obesity
Interventions: Metformin Extended Release (ER) Oral Tablet, Placebo; Drug
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 18 Years and older
Enrollment: 150 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2028
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Frailty, Functional Recovery, Prehabilitation
Interventions: Exercise, Nutrition, Meditation, Cognitive Behavioral Intervention; Behavioral
Lead sponsor: Beth Israel Deaconess Medical Center; Other
Eligibility: 65 Years and older
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2025
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Respiratory Aspiration of Gastric Contents
Interventions: Interview questionnaire, Gastric ultrasound exam; Behavioral · Procedure
Lead sponsor: University of Florida; Other
Eligibility: 18 Years to 99 Years
Enrollment: 18 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2026
U.S. locations: 1
States / cities: Gainesville, Florida

Conditions: Energy Deficiency Due to Short-term Fasting, Hormonal Contraception
Interventions: Energy Deficiency of approximately ~250 kcal/day; Behavioral
Lead sponsor: University of Southern California; Other
Eligibility: 18 Years to 35 Years · Female only
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Trauma, Opioid Use, Spine Fusion
Interventions: Oxycodone, Ketorolac, Placebo; Drug · Other
Lead sponsor: University of Maryland, Baltimore; Other
Eligibility: 18 Years to 65 Years
Enrollment: 3 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2020
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Diabetes, Gestational Diabetes, Diabetes Mellitus, Type 2
Interventions: 2 hour glucose tolerance test using 75g glucose drink; Diagnostic Test
Lead sponsor: Pediatrix; Other
Eligibility: 18 Years to 60 Years · Female only
Enrollment: 21 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2022
U.S. locations: 1
States / cities: Phoenix, Arizona

Conditions: Infant, Premature, Diseases
Interventions: Multisensory early oral administration of human milk; Other
Lead sponsor: Loyola University; Other
Eligibility: 23 Weeks to 32 Weeks
Enrollment: 125 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2031
U.S. locations: 2
States / cities: Maywood, Illinois

Conditions: Head and Neck Cancer
Interventions: biologic sample preservation procedure, medical chart review; Other
Lead sponsor: Vanderbilt University Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 8,000 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2003 – 2050
U.S. locations: 4
States / cities: Nashville, Tennessee

Conditions: Multiple Sclerosis, Relapsing-Remitting
Interventions: IMU-838 tablets, Placebo matching IMU-838 tablets; Drug
Lead sponsor: Immunic AG; Industry
Eligibility: 18 Years to 55 Years
Enrollment: 1,100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2033
U.S. locations: 2
States / cities: Altamonte Springs, Florida • Coral Springs, Florida

Conditions: Esophagogastric Cancer
Interventions: Survey, Intra-oral camera, Optional Salvia sample; Other
Lead sponsor: Memorial Sloan Kettering Cancer Center; Other
Eligibility: 18 Years and older
Enrollment: 174 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2027
U.S. locations: 1
States / cities: New York, New York

Conditions: Feeding Disorder
Interventions: Desensitization with flipped spoon, flipped spoon; Behavioral
Lead sponsor: University of Michigan; Other
Eligibility: 10 Months to 10 Years
Enrollment: 7 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2019
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Search by objective public record fields.

PKU Protein Requirements

Endothelial Function and Autonomic Regulation After Short-term Smoking Cessation: Varenicline Versus Placebo

Oxygen Toxicity: Mechanisms in Humans

Protection From Acute Kidney Injury (AKI) With Basis™ Treatment

The Impact of Methadone Maintenance Therapy on Food Reward Processing in Opioid Dependence

A Study to Find Out How Nintedanib is Taken up in the Body and How Well it is Tolerated in Children and Adolescents With Interstitial Lung Disease (ILD)

Feasibility and Acceptability of HCV Treatment in Pregnancy

Breath and Blood Ammonia Response to an Oral Protein Challenge

Comprehensive Multi-omics Characterization and Implications of Non-Pharmaceutical Dental Hygiene Product in a Randomized Controlled Large Population Study.

Potassium Intake-response Trial to Control Hypertension

Phase IIb One Year Efficacy and Safety Study of S-2367 in Obese Subjects With Initial 6-Week Low Calorie Diet

Temozolomide in Patients With Newly Diagnosed Anaplastic Oligodendroglioma and Mixed Oligoastrocytoma

Dose Ranging Study of Celivarone With Amiodarone as Calibrator for the Prevention of Implantable Cardioverter Defibrillator (ICD) Interventions or Death

Effect of Metformin, a Drug Used to Treat Diabetes, vs Placebo

Multi-Component Prehabilitation for Major Elective Surgery

Gastric Ultrasound for Estimation of the Aspiration Risk Study

Energy Deficiency on Hormones in Contraceptive Users

Relieving Acute Pain (RAP) Study: A Pilot Study

GDM Post Partum Screening

Multisensory Early Oral Administration of Human Milk (M-MILK) for Very Preterm Infants

Tissue Sample Collection From Patients With Head and Neck Cancer and From Healthy Participants

Study to Evaluate the Efficacy, Safety and Tolerability of IMU-838 in Patients With Relapsing Multiple Sclerosis

A Study of Tooth Erosion in People With Esophagogastric Cancer

Desensitization to Reduce Oral Hypersensitivity and Improve Intake for Children With Feeding Disorders