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ClinicalTrials.gov public records Last synced Oct 25, 2026, 7:33 PM EDT

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Showing 1–24 of 268 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo Comparator Challenge Clear all
Completed Not applicable Interventional Results available

The Effect of Omalizumab on Responses to Cat Allergen Challenge

NCT00604786
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
omalizumab, placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Oral Immunotherapy for Wheat Allergy

NCT01980992
View directory record Official record
Conditions
Wheat Allergy
Interventions
Wheat OIT
Drug
Lead sponsor
Hugh A Sampson, MD
Other
Eligibility
4 Years to 30 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
4
States / cities
Stanford, California • Chicago, Illinois • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2020 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Coffee Roasting on Blood Sugar Levels in Healthy Humans

NCT05119153
View directory record Official record
Conditions
Hyperglycemia
Interventions
Placebo Comparator, Light Roasted Coffee, Medium Roasted Coffee, Dark Roasted Coffee
Dietary Supplement
Lead sponsor
North Carolina State University
Other
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 12, 2021 · Synced Oct 25, 2026, 7:33 PM EDT
Active, not recruiting Early Phase 1 Interventional

Efficacy of Spinal Manipulation Therapy or Mindfulness-based Reduction Therapy on Patients With Chronic Low Back Pain

NCT04744883
View directory record Official record
Conditions
Chronic Low-back Pain
Interventions
Spinal Manipulation Therapy (SMT), Naloxone, Placebo, Mindfulness Based Stress Reduction Therapy (MT)
Other · Drug · Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
2
States / cities
Chicago, Illinois • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Oct 25, 2026, 7:33 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effect of Nasaleze on Nasal Challenge With Allergen

NCT01723397
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
Nasaleze Spray, Placebo spray, Allergen
Drug · Other · Biological
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 45 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 2, 2017 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 3 Interventional

A Safety and Efficacy Study of MIM-D3 Ophthalmic Solution for the Treatment of Dry Eye

NCT01960010
View directory record Official record
Conditions
Dry Eye Syndromes
Interventions
MIM-D3 Ophthalmic Solution, Vehicle
Drug
Lead sponsor
Mimetogen Pharmaceuticals USA, Inc.
Industry
Eligibility
18 Years and older
Enrollment
403 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
5
States / cities
Waterbury, Connecticut • Lewiston, Maine • Andover, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2019 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Reinforcing Effects of Intranasal (IN) Buprenorphine Versus Buprenorphine/Naloxone

NCT01760473
View directory record Official record
Conditions
Heroin Dependence
Interventions
Intranasal challenge drug
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 8, 2017 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Electrophysiology, Safety, Tolerability, Pharmacokinetics and Pharmacodynamics Response Using Magnetic Resonance Imaging of SAGE-718 Using a Ketamine Challenge in Healthy Subjects

NCT03770780
View directory record Official record
Conditions
Healthy Volunteer
Interventions
SAGE-718, Placebo
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Long Beach, California • Berlin, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 25, 2026, 7:33 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

A Phase 2 Safety, Tolerability, PK, and Efficacy Study of CS-1103 Following Fentanyl Challenge With Naloxone Blockade

NCT07459166
View directory record Official record
Conditions
Fentanyl Overdose, Fentanyl Poisoning
Interventions
Naloxone Hydrochloride, Fentanyl, Sterile Saline, CS-1103
Drug
Lead sponsor
Clear Scientific, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 4 Interventional Results available

Crossover Study Comparing Fluticasone Furoate (FF)/Vilanterol (VI) Once Daily Versus Fluticasone Propionate (FP) Twice Daily in Subjects With Asthma and Exercise-Induced Bronchoconstriction (EIB)

NCT02730351
View directory record Official record
Conditions
Asthma
Interventions
Fluticasone furoate/ Vilanterol 100 mcg/25 mcg, Fluticasone propionate 250 mcg, Placebo via ELLIPTA inhaler, Placebo via DISKUS / ACCUHALER
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years to 50 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
13
States / cities
Huntington Beach, California • Los Angeles, California • San Diego, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2019 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of 20,000 EU of Clinical Center Reference Endotoxin (CCRE) Versus Placebo(ENDOHEART)

NCT03623022
View directory record Official record
Conditions
Healthy
Interventions
Clinical Center Reference Endotoxin (CCRE), Normal saline
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 20, 2019 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 2 Interventional Results available

Study of the Safety, Pharmacodynamics, Efficacy, and PK of TIMP-GLIA in Subjects With Celiac Disease

NCT03738475
View directory record Official record
Conditions
Celiac Disease
Interventions
TIMP-GLIA, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 70 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
8
States / cities
Jacksonville, Florida • Meridian, Idaho • Indianapolis, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2020 · Synced Oct 25, 2026, 7:33 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Attentional Mechanisms in SCD

NCT06002477
View directory record Official record
Conditions
Subjective Cognitive Decline
Interventions
Mecamylamine Challenge, Placebo Comparator Challenge
Drug · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
55 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Multiple-Dose Study to Evaluate Skin Irritation and Sensitization of Teriparatide Administered Transdermally in Healthy Postmenopausal Women

NCT01250145
View directory record Official record
Conditions
Osteoporosis, Postmenopausal
Interventions
LY333334, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
Female only
Enrollment
251 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
2
States / cities
Daytona Beach, Florida • Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Oct 23, 2012 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Causal Prophylactic Efficacy of KAF156 in a Controlled Human Malaria Challenge Model

NCT04072302
View directory record Official record
Conditions
Malaria
Interventions
KAF156, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 40 Years · Male only
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

PfSPZ Challenge in Healthy Malaria-Naïve Adults in the United States

NCT02773979
View directory record Official record
Conditions
Plasmodium Falciparum Infection
Interventions
Chloroquine, PfSPZ (NF54) Challenge, Placebo
Drug · Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 27, 2019 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Malaria Challenge in Healthy Volunteers

NCT01500980
View directory record Official record
Conditions
Malaria
Interventions
P. falciparum infection, Chloroquine, Primaquine
Biological · Drug
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 13, 2012 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Anticipation of Pain Relief on Brain Mechanisms

NCT00200876
View directory record Official record
Conditions
Pain
Interventions
Hypertonic saline, Isotonic saline
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
20 Years to 30 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 24, 2017 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 2 Interventional Results available

Psychopharmacology for Cocaine Dependence - Buspirone

NCT01267292
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Buspirone, Placebo for Buspirone, Methylphenidate, Placebo for Methylphenidate
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 4, 2017 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase1, STP7 Cocaine Drug-Drug Interaction Study

NCT06273540
View directory record Official record
Conditions
Cocaine Use Disorder
Interventions
STP7 (mavoglurant), Placebo, Cocaine Hydrochloride
Drug
Lead sponsor
Stalicla SA
Industry
Eligibility
18 Years to 59 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

LMN-101 in a Campylobacter Human Challenge Model

NCT04182490
View directory record Official record
Conditions
Campylobacter Infections
Interventions
LMN-101, Placebo
Biological · Drug
Lead sponsor
Lumen Bioscience, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Oct 25, 2026, 7:33 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Evaluation Of PF-00572778 And Alprazolam On Naloxone Challenge In Healthy Subjects

NCT00580190
View directory record Official record
Conditions
Healthy
Interventions
alprazolam, Placebo, PF-00572778
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 14, 2009 · Synced Oct 25, 2026, 7:33 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Efficacy Challenge Study of Live Oral Cholera Vaccine Candidate,PXVX0200, to Prevent Cholera

NCT01895855
View directory record Official record
Conditions
Cholera
Interventions
PXVX0200, placebo
Biological
Lead sponsor
Bavarian Nordic
Industry
Eligibility
18 Years to 45 Years
Enrollment
197 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
3
States / cities
Baltimore, Maryland • Cincinnati, Ohio • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 28, 2023 · Synced Oct 25, 2026, 7:33 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Therapeutic Effect of Chinese Herbal Medicine on Food Allergy

NCT00602160
View directory record Official record
Conditions
Food Allergy
Interventions
FAHF-2 (TM)
Drug
Lead sponsor
Li, Xiu-Min, M.D.
Individual
Eligibility
12 Years to 45 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
2
States / cities
Little Rock, Arkansas • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 4, 2010 · Synced Oct 25, 2026, 7:33 PM EDT