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Showing 1–24 of 6,970 matching trials from the live ClinicalTrials.gov search.
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Completed No phase listed Observational Accepts healthy volunteers

Brain Activation in Vocal and Motor Tics

NCT00026000
View directory record Official record
Conditions
Tourette's Syndrome, Chronic Motor Tic Disorder, Chronic Motor Vocal Disorder
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 23, 2026, 2:52 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Eat, Move, Live Intervention in Reducing Chronic Disease Risk in Medically Vulnerable Communities

NCT02513407
View directory record Official record
Conditions
Healthy Subject
Interventions
Behavioral Dietary Intervention, Educational Intervention, Exercise Intervention, Laboratory Biomarker Analysis, Questionnaire Administration
Behavioral · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of LY3154207 in Healthy Participants

NCT02365571
View directory record Official record
Conditions
Healthy Participants
Interventions
LY3154207, Placebo, Itraconazole
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 70 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 10, 2015 · Synced Sep 23, 2026, 2:52 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Recovery and Lifespan of Red Blood Cells From Pathogen-reduced, Stored Blood Units

NCT03384407
View directory record Official record
Conditions
Red Cell Survival in Healthy Volunteers
Interventions
Red cell survival in INTERCEPT treated red cells
Device
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Antiretroviral Drug-Drug Interaction Study in Healthy Volunteers (DDI)

NCT02277600
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
BMS-663068, Darunavir, Cobicistat
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Sep 23, 2026, 2:52 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Study of TAK-781 in Healthy Volunteers and in Participants With Non-Cirrhotic Primary Sclerosing Cholangitis (PSC)

NCT07229911
View directory record Official record
Conditions
Healthy Volunteers, Primary Sclerosing Cholangitis
Interventions
TAK-781, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 68 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Pharmacokinetic Drug-drug Interactions Between VX-548, Midazolam, and Digoxin

NCT05541471
View directory record Official record
Conditions
Pain
Interventions
VX-548, Midazolam, Digoxin
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 55 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 19, 2024 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Food-Effect Pharmacokinetic Study of PL2200

NCT01244100
View directory record Official record
Conditions
Healthy
Interventions
PL2200 fasted, PL2200 fed
Drug
Lead sponsor
PLx Pharma
Industry
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 12, 2010 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study of a Tablet Form of ABBV-722 Taken With and Without Food in Healthy Adult Participants

NCT07361367
View directory record Official record
Conditions
Healthy Volunteers
Interventions
ABBV-722
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Grayslake, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

An Open Label Phase I/II Study of Dopamine Transporter Receptor Occupancy With OROS and Immediate Release Methylphenidate as Measured With C-11 Altropane in Human Subjects

NCT00302367
View directory record Official record
Conditions
Healthy Volunteers
Interventions
OROS methylphenidate hydrochloride, immediate release methylphenidate hydrochloride
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 11, 2011 · Synced Sep 23, 2026, 2:52 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Urinary Vitamin C Loss in Diabetic Subjects

NCT00071526
View directory record Official record
Conditions
Diabetes
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 65 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Bioequivalence Study of PF-06651600 Capsules Relative to Tablets and Estimation of Food Effect on Capsules.

NCT04390776
View directory record Official record
Conditions
Healthy Participants
Interventions
PF-06651600
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Hollywood, Florida • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 3, 2021 · Synced Sep 23, 2026, 2:52 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

MEK162 in Healthy Subjects With Normal Hepatic Function and Subjects With Impaired Hepatic Function

NCT02050815
View directory record Official record
Conditions
Hepatic Impairment
Interventions
MEK162
Drug
Lead sponsor
Array Biopharma, now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
5
States / cities
Lakewood, Colorado • Miami, Florida • Orlando, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2020 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Green Tea Extract (Polyphenon E) in Preventing Cancer in Healthy Participants

NCT00091325
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
defined green tea catechin extract
Dietary Supplement
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2004
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 19, 2010 · Synced Sep 23, 2026, 2:52 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Evaluation of [18F]APN-1607 PET Uptake in Alzheimer's Disease Patients Compared With Healthy Subjects

NCT04141150
View directory record Official record
Conditions
Alzheimer's Disease, Mild Cognitive Impairment Due to Alzheimer's Disease, Healthy Volunteers
Interventions
[18F]APN-1607
Drug
Lead sponsor
APRINOIA Therapeutics, LLC
Industry
Eligibility
50 Years to 85 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
3
States / cities
New Haven, Connecticut • Mount Arlington, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study of Multiple Doses of Isavuconazole and Single Dose of Dextromethorphan in Healthy Adult Subjects

NCT01651325
View directory record Official record
Conditions
Pharmacokinetics of Isavuconazole, Pharmacokinetics of Dextromethorphan, Healthy Adult Volunteers
Interventions
Isavuconazole, dextromethorphan
Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 22, 2015 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Phase 1 Interventional

Dexpramipexole Renal PK Study

NCT01424176
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis, Renal Insufficiency
Interventions
Dexpramipexole (dose 1), Dexpramipexole (dose 2)
Drug
Lead sponsor
Knopp Biosciences
Industry
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Orlando, Florida • Brooklyn Center, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 24, 2014 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effect of Antacid on Bioavailability of Febuxostat After Administration of a Febuxostat 80 mg Extended-Release Capsule

NCT02382640
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Febuxostat XR, Maalox Advance Regular Strength liquid
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Apr 28, 2016 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Osteopathic Lymphatic Treatment on Plasma Volume, Protein Concentration and Albumin Concentration.

NCT00742989
View directory record Official record
Conditions
Healthy Volunteers
Interventions
OLT maneuver, Sham OLT
Other
Lead sponsor
Kansas City University of Medicine and Biosciences
Other
Eligibility
20 Years to 40 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 27, 2008 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Estimation of the Effect of Multiple Dose Ritlecitinib (PF-06651600) on the Pharmacokinetics of a Single Dose of Caffeine in Healthy Participants

NCT04655040
View directory record Official record
Conditions
Healthy Participants
Interventions
Caffeine, Ritlecitinib
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Fasting Study of Verapamil HCl Extended-Release Capsules 300 mg to Verelan® PM Extended-Release Capsules 300 mg

NCT00648050
View directory record Official record
Conditions
Healthy
Interventions
Verapamil Hydrochloride Extended-Release Capsules, 300 mg, Verelan® PM Extended-Release Capsules, 300 mg
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 23, 2024 · Synced Sep 23, 2026, 2:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effect of Ambient Light on the Parameters of the Pupillary Light Reflex

NCT01207817
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Pupillometry
Other
Lead sponsor
University of Medicine and Dentistry of New Jersey
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 22, 2010 · Synced Sep 23, 2026, 2:52 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Monosodium Glutamate on Microbiome-Derived Imidazole Propionate Production in Healthy Volunteers

NCT07700368
View directory record Official record
Conditions
Healthy Adult
Interventions
L-histidine, Monosodium glutamate (MSG), Sodium chloride (NaCl)
Dietary Supplement
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 23, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pramipexole Dihydrochloride 0.25 mg Tablets Under Fasting Conditions

NCT01074450
View directory record Official record
Conditions
Healthy
Interventions
Pramipexole Dihydrochloride
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 29, 2010 · Synced Sep 23, 2026, 2:52 PM EDT