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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Terminated Not applicable Interventional Accepts healthy volunteers Results available

Cholecalciferol and Flu Vaccine in Treating Healthy Participants

NCT01561989
View directory record Official record
Conditions
Healthy, no Evidence of Disease
Interventions
cholecalciferol, questionnaire administration, trivalent influenza vaccine
Dietary Supplement · Other · Biological
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 64 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced Sep 23, 2026, 2:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability and Pharmacokinetic Parameters of Watermelon (Rind, Flesh and Seeds) Polyphenols

NCT03365960
View directory record Official record
Conditions
Healthy Subjects
Interventions
Watermelon Rind, Watermelon Flesh, Watermelon Seeds, Placebo
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
20 Years to 45 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Sep 23, 2026, 2:23 AM EDT
Completed No phase listed Observational

Study of Cushing's Syndrome Not Related to ACTH Production

NCT00006278
View directory record Official record
Conditions
Cushing's Syndrome, Healthy
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Not listed
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 23, 2026, 2:23 AM EDT
Completed Not applicable Interventional Results available

Evaluation of SkillTalk for Autistic Young Adults

NCT06281171
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
SkillTalk for Autistic Young Adults, Flyer Library
Other
Lead sponsor
dfusion Inc
Industry
Eligibility
18 Years to 28 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Santa Cruz, California
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Sep 23, 2026, 2:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Movement-Related Brain Networks Involved in Hand Dystonia

NCT00137384
View directory record Official record
Conditions
Movement Disorder, Focal Dystonia
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 30, 2018 · Synced Sep 23, 2026, 2:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

FMRI Study of Performance During a Probabilistic Reversal Learning Task in Depression

NCT00075296
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 23, 2026, 2:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

OptiCal Study -Optimizing Fecal Calprotectin Monitoring: a Clinical Study Comparing CalproLab Against PhiCal and Evaluating Its Association With the Gut Microbiome

NCT03051204
View directory record Official record
Conditions
Crohn Disease, Ulcerative Colitis, Irritable Bowel Syndrome, Celiac Disease, Healthy
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
4 Years to 65 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Sep 23, 2026, 2:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Exploratory Trial to Evaluate Premature Endothelial Dysfunction in Early Rheumatoid Arthritis(RA)Compared to Patients With Established RA, and Normal Subjects

NCT01499732
View directory record Official record
Conditions
Premature Endothelial Dysfunction, Rheumatoid Arthritis, Healthy
Interventions
Not listed
Lead sponsor
Orrin M Troum, M.D. and Medical Associates
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated May 7, 2013 · Synced Sep 23, 2026, 2:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

The O'Neil Long Acting Naltrexone Implant (OLANI) Pharmacokinetic (PK)/Safety Study in Healthy Volunteers

NCT03810495
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
naltrexone implant
Drug
Lead sponsor
Go Medical Industries Pty Ltd
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Sep 23, 2026, 2:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Biodistribution and Dosimetry Evaluation of [124I]FIAU

NCT01337466
View directory record Official record
Conditions
Prosthesis Related Infections
Interventions
[124I]FIAU
Radiation
Lead sponsor
BioMed Valley Discoveries, Inc
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
3
States / cities
Little Rock, Arkansas • Baltimore, Maryland • Lake Success, New York
Source: ClinicalTrials.gov public record
Updated Jun 26, 2013 · Synced Sep 23, 2026, 2:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Pro2col Application on Health Outcomes

NCT06738641
View directory record Official record
Conditions
Health Behavior, Nutrition, Healthy, Activity, Motor
Interventions
Pro2col Health, Control
Behavioral
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
21 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Sep 23, 2026, 2:23 AM EDT
Terminated No phase listed Observational

Evaluation of Patients With Endocrine-Related Conditions

NCT00005664
View directory record Official record
Conditions
Adrenal Insufficiency, Pituitary Neoplasm, Obesity
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 100 Years
Enrollment
1,588 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 15, 2019 · Synced Sep 23, 2026, 2:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Bioequivalence Study of Two Nicotine Lozenges in Fasting Conditions in Healthy Smokers

NCT03541044
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Nicotine Prototype Mini lozenge, Nicorette Mini Lozenge
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
19 Years to 55 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Mar 11, 2020 · Synced Sep 23, 2026, 2:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics of Nicotine Sublingual Tablets Versus Nicorette Lozenge in Healthy Smokers

NCT02906995
View directory record Official record
Conditions
Tobacco Use Disorder, Cigarette Smoking
Interventions
Sublingual tablet 4 mg versus Nicorette Lozenge 4mg
Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 3, 2017 · Synced Sep 23, 2026, 2:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

MRI Study of Self-Perception of Postural Stability

NCT00060593
View directory record Official record
Conditions
Healthy, Postural Stability
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 23, 2026, 2:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pilot Study to Evaluate the Efficacy and Safety of Ariva® Silver Wintergreen in Healthy Smokers

NCT01337817
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking
Interventions
Ariva Silver Wintergreen, Ariva Wintergreen
Other
Lead sponsor
Star Scientific, Inc
Industry
Eligibility
23 Years to 72 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Martinsburg, West Virginia
Source: ClinicalTrials.gov public record
Updated Oct 23, 2014 · Synced Sep 23, 2026, 2:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Food Choices in Healthy Weight Women

NCT02481362
View directory record Official record
Conditions
Addictive Behavior, Food Preferences, Food Habits, Healthy, Habituation
Interventions
CAKE, APRICOTS
Other
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Sep 23, 2026, 2:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacodynamic Evaluation of Intramuscular Nalmefene Autoinjector 1.5 mg Compared to Intranasal Narcan 4 mg

NCT06719986
View directory record Official record
Conditions
Opioid Overdose
Interventions
Nalmefene HCl injection, Naloxone HCl intranasal
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Sep 23, 2026, 2:23 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Eat Healthy Grow Healthy Program to Promote Fruit and Vegetable Intake in Preschoolers

NCT07493954
View directory record Official record
Conditions
Childhood Obesity
Interventions
EatGrow Intervention, Delayed access
Behavioral
Lead sponsor
Texas Woman's University
Other
Eligibility
18 Years to 99 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Denton, Texas
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 23, 2026, 2:23 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers Results available

Recombinant Human Papillomavirus Nonavalent Vaccine in Preventing Human Papilloma Virus in Younger Healthy Participants

NCT02568566
View directory record Official record
Conditions
Human Papillomavirus-Related Carcinoma
Interventions
Laboratory Biomarker Analysis, Recombinant Human Papillomavirus Nonavalent Vaccine
Other · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
9 Years to 11 Years
Enrollment
201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
2
States / cities
Tucson, Arizona • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 23, 2026, 2:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Clinical Study To Characterize The Pharmacokinetics And The Effects Of Food On Oxycodone In Healthy Volunteers

NCT01530542
View directory record Official record
Conditions
Analgesia, Acute Pain, Chronic Pain, Narcotic Abuse, Opioid-related Disorders
Interventions
oxycodone hydrochloride, marketed oxycodone hydrochloride
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 23, 2012 · Synced Sep 23, 2026, 2:23 AM EDT
Recruiting Not applicable Interventional

Lean Beef as Part of a Healthy Meal Plan in Adolescents With Polycystic Ovary Syndrome (PCOS)/Polyendocrine Metabolic Ovarian Syndrome (PMOS)

NCT07780188
View directory record Official record
Conditions
PCOS (Polycystic Ovary Syndrome), Obese Adolescents, Overweight (Without Type 2 Diabetes) With Weight-related Comorbidities, Overweight Adolescents, Irregular Menstrual Cycle, Irregular Menstrual Cycles, Hirsutism, Hyperandrogenism
Interventions
Beef+
Other
Lead sponsor
Texas A&M University
Other
Eligibility
11 Years to 17 Years · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 23, 2026, 2:23 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effects of ∆-9-THC and Naloxone in Humans

NCT01591629
View directory record Official record
Conditions
Healthy
Interventions
Naloxone, Delta-9-THC, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 23, 2026, 2:23 AM EDT
Active, not recruiting Phase 3 Interventional

Comparing Brief Behavioral Therapy (BBT-CI) and Healthy Eating Education Learning (HEAL) for Cancer-Related Sleep Problems While Receiving Cancer Treatment

NCT04829539
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Behavioral Intervention, Electronic Health Record Review, Quality-of-Life Assessment, Questionnaire Administration
Behavioral · Other
Lead sponsor
University of Rochester NCORP Research Base
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
153
States / cities
Kingman, Arizona • Fort Smith, Arkansas • Denver, Colorado + 102 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 23, 2026, 2:23 AM EDT