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Showing 1–24 of 2,378 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo - Healthy Participants Clear all
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Tolerability, Pharmacokinetics (PK) and Pharmacodynamics (PD) of Melrilimab (GSK3772847) in Healthy Participants

NCT04366349
View directory record Official record
Conditions
Healthy Volunteers, Asthma
Interventions
melrilimab (GSK3772847) 70 milligram (mg), melrilimab (GSK3772847) 140 milligram (mg), Placebo
Biological · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 15, 2026, 12:37 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effects of a Black Rice Extract and Anthocyanidin Metabolites on the Synthesis and Release of BDNF in Healthy Subjects

NCT06594848
View directory record Official record
Conditions
Cognition - Other, Depression, Anxiety
Interventions
Black rice extract, Placebo
Dietary Supplement · Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

CAEB071 Thorough QTc Study in Healthy Volunteers

NCT01594255
View directory record Official record
Conditions
Healthy
Interventions
sotrastaurin, placebo to sotrastaurin, Avelox
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 8, 2012 · Synced Sep 15, 2026, 12:37 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Multiple Dose Study in Healthy Volunteers to Assess Safety, Pharmacokinetics and Pharmacodynamics of PF 03882845

NCT00856258
View directory record Official record
Conditions
Healthy Volunteers
Interventions
PF 03882845 and Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 22, 2009 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

GSK1349572 First Time in Human Study

NCT00555035
View directory record Official record
Conditions
Healthy Subjects
Interventions
GSK1349572
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Evansville, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 14, 2010 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Genotype on Resting State Connectivity During Methamphetamine Administration

NCT03973489
View directory record Official record
Conditions
Methamphetamine-dependence
Interventions
Magnetic resonance imaging (MRI), Methamphetamine Hydrochloride Tablets, Placebo oral tablet
Behavioral · Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 55 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of LY3015014 in Otherwise Healthy Participants With High Low-density Lipoprotein (LDL) Cholesterol

NCT01618916
View directory record Official record
Conditions
Healthy Volunteers
Interventions
LY3015014, Placebo
Drug · Other
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
2
States / cities
Honolulu, Hawaii • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 14, 2019 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Trial to Evaluate Safety and Tolerability of a Novel Hydration Drink in Healthy Volunteers

NCT05428748
View directory record Official record
Conditions
Tolerance
Interventions
1 serving of test product, 2 servings of test product, 3 servings of test product, Placebo
Other
Lead sponsor
Liquid I.V.
Other
Eligibility
18 Years to 35 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 28, 2024 · Synced Sep 15, 2026, 12:37 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

SIGA-246 to Treat Smallpox

NCT00303225
View directory record Official record
Conditions
Vaccinia
Interventions
Vaccine: SIGA-246
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Transcranial Direct Current Stimulation Intensity on Leg Muscle Fatigability in Healthy Adults

NCT04321304
View directory record Official record
Conditions
Healthy
Interventions
Sham transcranial direct current stimulation, Transcranial direct current stimulation at 2 mA, Transcranial direct current stimulation at 4 mA
Device
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 30 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 7, 2021 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dose Response to Recombinant Factor VIIa When Administered for Bleed

NCT00104455
View directory record Official record
Conditions
Congenital Bleeding Disorder, Healthy
Interventions
activated recombinant human factor VII
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years to 60 Years · Male only
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 15, 2026, 12:37 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

AZD1305 Single and Multiple Ascending Dose Study in Healthy Japanese and Caucasian Subjects

NCT00935025
View directory record Official record
Conditions
Healthy
Interventions
AZD1305, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
20 Years to 45 Years · Male only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
2
States / cities
Glendale, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 6, 2010 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of TAK-105 in Healthy Adults

NCT04964258
View directory record Official record
Conditions
Healthy Volunteers
Interventions
TAK-105-a, TAK-105-a Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 55 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
3
States / cities
Tempe, Arizona • Las Vegas, Nevada • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 1, 2024 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study of ONO-2020 in Healthy Participants

NCT05507515
View directory record Official record
Conditions
Healthy Volunteers
Interventions
ONO-2020, Placebo
Drug
Lead sponsor
Ono Pharmaceutical Co., Ltd.
Industry
Eligibility
18 Years and older
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2024 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Safety, Tolerability and Pharmacokinetics (PK) of Xanomeline With Trospium Chloride Versus KarXT in Healthy Adult and Elderly Participants of Japanese Ethnicity and to Assess the Effect of Omeprazole on the PK of Xanomeline With Trospium Chloride in Healthy Adult Participants

NCT06605950
View directory record Official record
Conditions
Healthy Volunteers
Interventions
KarXT, KarX-EC, Placebo, Omeprazole
Drug
Lead sponsor
Karuna Therapeutics, Inc., a Bristol Myers Squibb company
Industry
Eligibility
19 Years to 90 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Jul 3, 2025 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Neuropeptides and Social Behavior

NCT01680718
View directory record Official record
Conditions
Social Psychology
Interventions
Intranasal oxytocin, Intranasal vasopressin, Intranasal placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 50 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Compare the Effect on Heart Rhythm of 3 Days of GSK189075, Placebo, or Moxifloxacin in Healthy Adults

NCT00532610
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Diabetes Mellitus, Type 2
Interventions
GSK189075
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 50 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 18, 2012 · Synced Sep 15, 2026, 12:37 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Efficacy Of Tocotrienol a Natural Vitamin E In Biopsy Wound

NCT01579227
View directory record Official record
Conditions
Scar
Interventions
Topical Tocotrienol (TCT), Oral Tocotrienol Capsules (TCT), Tamoxifen Cream, Placebo cream, placebo capsule
Device · Dietary Supplement
Lead sponsor
Chandan K Sen
Other
Eligibility
18 Years to 50 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 28, 2018 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

SAD Evaluation of Safety, Tolerability, PK, and PD of MDI-2517 in Healthy Participants

NCT06453824
View directory record Official record
Conditions
Safety and Tolerability
Interventions
MDI-2517, Placebo
Drug · Other
Lead sponsor
MDI Therapeutics, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 13, 2025 · Synced Sep 15, 2026, 12:37 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Evaluating the Safety and Immunogenicity of the IHV01 Protein Vaccine Primed and Co-Administered With HIV DNA CON-S Env Vaccine in Healthy, HIV-1-Uninfected Adults

NCT03505060
View directory record Official record
Conditions
HIV Infections
Interventions
DNA CON-S env, IHV01, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2021 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Phase 3 Lot to Lot Consistency Study of Live Oral Cholera Vaccine, PXVX0200 in Healthy Adults

NCT02094586
View directory record Official record
Conditions
Cholera
Interventions
PXVX0200 Lot A, PXVX0200 Lot B, PXVX0200 Lot C, Placebo
Biological
Lead sponsor
Bavarian Nordic
Industry
Eligibility
18 Years to 45 Years
Enrollment
3,146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
19
States / cities
Mobile, Alabama • Phoenix, Arizona • DeLand, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2023 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Norovirus GI.1/GII.4 Bivalent Virus-Like Particle Vaccine in an Elderly Population

NCT02661490
View directory record Official record
Conditions
Norovirus
Interventions
Norovirus GI.1/GII.4 Bivalent VLP Vaccine, 0.9% sodium chloride (saline)
Biological · Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
10
States / cities
Birmingham, Alabama • Fountain Hills, Arizona • Littleton, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated May 17, 2020 · Synced Sep 15, 2026, 12:37 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

A Single Dose Pharmacokinetic (PK) and Safety Study of GSK2838232 With and Without Ritonavir (RTV) Conducted in Healthy Subjects

NCT02289482
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
GSK2838232 PIB (SDD), GSK2838232 PIB (API), Placebo, Ritonavir
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 14, 2017 · Synced Sep 15, 2026, 12:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Multiple Ascending Dose Study of TMP-301 in Healthy Subjects

NCT06025396
View directory record Official record
Conditions
Cocaine Use Disorder, Substance Use Disorders, Healthy Volunteers
Interventions
Cohort 1 - TMP-301, Placebo, Cohort 2 - TMP-301, Cohort 3 - TMP-301, Cohort 4 - TMP-301
Drug
Lead sponsor
Tempero Bio, Inc.
Industry
Eligibility
18 Years to 59 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Sep 15, 2026, 12:37 PM EDT