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Showing 1–24 of 113 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo/Diluent Clear all
Completed Phase 2 Interventional Results available

Cockroach Immunotherapy in Children and Adolescents

NCT03541187
View directory record Official record
Conditions
Persistent Asthma
Interventions
German cockroach allergenic extract, Placebo for German cockroach allergenic extract
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
8 Years to 17 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
11
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated May 21, 2023 · Synced Sep 3, 2026, 5:20 AM EDT
Terminated Phase 2 Interventional Results available

COVID-19 and Anti-CD14 Treatment Trial

NCT04391309
View directory record Official record
Conditions
Coronavirus Disease 2019 (COVID-19), Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2)
Interventions
anti-CD14, Placebo, remdesivir
Biological · Other · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
5
States / cities
Sarasota, Florida • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 25, 2023 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Immunogenicity of IVX-A12 in Participants of 60 to 85 Years of Age

NCT05903183
View directory record Official record
Conditions
Healthy
Interventions
IVX-A12, Placebo
Biological
Lead sponsor
Icosavax, Inc.
Industry
Eligibility
60 Years to 85 Years
Enrollment
264 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
10
States / cities
Tempe, Arizona • Hollywood, Florida • Stockbridge, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Dose-Finding Trial to Evaluate the Safety and Immunogenicity of Cytomegalovirus (CMV) Vaccine mRNA-1647 in Healthy Adults

NCT04232280
View directory record Official record
Conditions
Cytomegalovirus Infection
Interventions
mRNA-1647, Placebo
Biological · Other
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 40 Years
Enrollment
315 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
9
States / cities
Sacramento, California • Peoria, Illinois • Lenexa, Kansas + 5 more
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Safety and Immune Response of Five Admixtures of a Tetravalent Dengue Virus Vaccine

NCT01072786
View directory record Official record
Conditions
Dengue
Interventions
TetraVax-DV Vaccine-Admixture 1, TetraVax-DV Vaccine-Admixture 2, TetraVax-DV Vaccine-Admixture 3, TetraVax-DV Vaccine-Admixture 4, Placebo, TetraVax-DV Vaccine-Admixture 5
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jan 2, 2013 · Synced Sep 3, 2026, 5:20 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Randomized, Observer-blind, Placebo-controlled, Dose-escalation Clinical Trial to Evaluate the Safety and Immunogenicity of rVSV∆G-MARV-GP Vaccine in Adults in Good General Health

NCT07425821
View directory record Official record
Conditions
Marburg Virus Disease
Interventions
rVSV∆G-MARV-GP, Placebo
Biological · Other
Lead sponsor
International AIDS Vaccine Initiative
Network
Eligibility
18 Years to 50 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Safety, Tolerability and Pharmacokinetics of Orally Inhaled Aerosolized Hydroxychloroquine Sulfate in Healthy Adult Volunteers

NCT04461353
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2
Interventions
Aerolized Hydroxychloroquine Sulfate, Placebo
Drug · Other
Lead sponsor
Pulmoquine Therapeutics, Inc
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 7, 2020 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 3 Interventional Results available

Phase 3 Study of Aztreonam for Inhalation Solution (AZLI) in a Continuous Alternating Therapy Regimen for the Treatment of Chronic Pseudomonas Aeruginosa Infection in Patients With CF

NCT01641822
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
AZLI, Placebo to match AZLI, Tobramycin inhalation solution
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
6 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
71
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 62 more
Source: ClinicalTrials.gov public record
Updated May 8, 2016 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Leprosy Skin Test Antigens Trial

NCT00128193
View directory record Official record
Conditions
Leprosy
Interventions
Tuberculin, Purified Protein Derivative, MLSA-LAM, MLCwA, Placebo
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2009
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 23, 2014 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Randomized, Double-blinded, Placebo-controlled, Dose-escalation Phase 1 Clinical Trial to Evaluate the Safety and Immunogenicity of Recombinant HIV Envelope Protein BG505 SOSIP.664 gp140 Vaccine, Adjuvanted, in Healthy, HIV-1 Uninfected Adults

NCT03699241
View directory record Official record
Conditions
HIV Infections
Interventions
BG505 SOSIP.664 gp140, adjuvanted, Placebo
Biological
Lead sponsor
International AIDS Vaccine Initiative
Network
Eligibility
18 Years to 50 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
2
States / cities
Boston, Massachusetts • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 1Phase 2 Interventional

Maternal Immunization To Prevent Infant Otitis Media

NCT00617682
View directory record Official record
Conditions
Otitis Media
Interventions
PNCRM9, Placebo comparator
Biological
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
18 Years and older · Female only
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
2
States / cities
Bloomington, Minnesota • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 17, 2008 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 2 Interventional

Study to Evaluate a Single Intranasal Dose of STI-2099 (COVI-DROPS™) in Outpatient Adults With COVID-19 (US)

NCT04906694
View directory record Official record
Conditions
Covid19
Interventions
COVI-DROPS, Placebo
Biological · Drug
Lead sponsor
Sorrento Therapeutics, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
18
States / cities
Colorado Springs, Colorado • Jacksonville, Florida • Miami, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2022 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 2 Interventional Results available

Treatment With Omalizumab to Improve the Asthmatic Response to Rhinovirus Experimental Infection With Rhinovirus

NCT02388997
View directory record Official record
Conditions
Asthma
Interventions
omalizumab, Rhinovirus (strain 16)
Drug · Biological
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 40 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 8, 2018 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study of AIR645 in Healthy Subjects and Subjects With Controlled Asthma

NCT00658749
View directory record Official record
Conditions
Asthma
Interventions
AIR645, Physiologic saline solution
Drug
Lead sponsor
Altair Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2009 · Synced Sep 3, 2026, 5:20 AM EDT
Terminated Phase 3 Interventional Results available

Trial in Non-cystic Fibrosis Bronchiectasis Patients With Chronic Lung Infections Treated With Colistimethate Sodium.

NCT03460704
View directory record Official record
Conditions
Non Cystic Fibrosis Bronchiectasis
Interventions
CMS, Placebo
Drug · Other
Lead sponsor
Zambon SpA
Industry
Eligibility
18 Years and older
Enrollment
287 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
27
States / cities
Newport Beach, California • Palm Springs, California • Reseda, California + 22 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2023 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 2 Interventional

DMT310-001 Topical in the Treatment of Acne Vulgaris

NCT03536637
View directory record Official record
Conditions
Acne Vulgaris
Interventions
DMT310, Hydrogen Peroxide, Placebo
Drug
Lead sponsor
Dermata Therapeutics
Industry
Eligibility
12 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
9
States / cities
San Diego, California • Saint Joseph, Missouri • Henderson, Nevada + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2020 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 2 Interventional Results available

Sargramostim Use in COVID-19 to Recover Patient Health

NCT04707664
View directory record Official record
Conditions
Covid19, SARS-CoV Infection
Interventions
Sargramostim, Placebo
Drug
Lead sponsor
Partner Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
34
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Canoga Park, California + 30 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2023 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 3 Interventional Results available

Comparison of MENOPUR Liquid and Powder in Women Undergoing Assisted Reproductive Technology (ART)

NCT04163458
View directory record Official record
Conditions
Infertility
Interventions
MENOPUR solution for injection in pre-filled pen, 1200 IU/1.92 mL, MENOPUR powder and solvent for solution for injection, 75 IU, Placebo (for MENOPUR solution for injection in pre-filled pen), Placebo (for MENOPUR powder and solvent for solution for injection)
Drug · Other
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 42 Years · Female only
Enrollment
405 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
20
States / cities
Tempe, Arizona • San Diego, California • Farmington, Connecticut + 17 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced Sep 3, 2026, 5:20 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Study of a Novel Multicomponent Meningococcal Group B Vaccine When Given Alone or With Other Licensed Vaccines in Adults, Adolescents, Toddlers and Infants

NCT04825223
View directory record Official record
Conditions
Meningococcal Immunisation, Healthy Volunteers
Interventions
Multicomponent Meningococcal B Vaccine, Meningococcal Group B Vaccine MenB, Meningococcal Group B Vaccine (recombinant deoxyribonucleic acid [rDNA], component, adsorbed), Placebo, Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine MenACYW conjugate vaccine
Drug
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
42 Days to 50 Years
Enrollment
576 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
8
States / cities
Guntersville, Alabama • San Diego, California • Tampa, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 3 Interventional Results available

Effectiveness of Etanercept for Idiopathic Pneumonia Syndrome Following Stem Cell Transplantation (BMT CTN 0403)

NCT00421174
View directory record Official record
Conditions
Pneumonia, Idiopathic Pneumonia Syndrome
Interventions
Etanercept, Placebo plus corticosteroid
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
12
States / cities
Gainesville, Florida • Indianapolis, Indiana • Baltimore, Maryland + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study of the Safety of Intravenous Artesunate

NCT00292942
View directory record Official record
Conditions
Malaria, Malaria, Cerebral
Interventions
Intravenous Artesunate, Placebo
Drug
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 24, 2018 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Immunogenicity of a Clostridium Difficile Toxoid Vaccine in Healthy Elderly Volunteers

NCT00214461
View directory record Official record
Conditions
Clostridium Infections
Interventions
Vaccine diluent buffer (Placebo), C. difficile toxoid vaccine (2 µg), C. difficile toxoid vaccine (10 µg), C. difficile toxoid vaccine (50 µg)
Biological
Lead sponsor
Sanofi
Industry
Eligibility
65 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
2
States / cities
Orlando, Florida • Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 10, 2012 · Synced Sep 3, 2026, 5:20 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Phase I Study to Evaluate the Safety and Pharmacokinetics of Oral Doses of Anvylic-3288 in Healthy Subjects

NCT01851603
View directory record Official record
Conditions
Schizophrenia
Interventions
AVL-3288, Placebo
Device · Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 29, 2016 · Synced Sep 3, 2026, 5:20 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Dose Texas 2017 (H3N2) Challenge Study

NCT06476275
View directory record Official record
Conditions
Influenza Viral Infections
Interventions
Influenza A/Texas/71/2017 (H3N2), Sham placebo
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years to 46 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 25, 2025 · Synced Sep 3, 2026, 5:20 AM EDT