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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo - 100 mg Clear all
Completed Phase 3 Interventional Results available

A Phase 3 Study to Compare Upadacitinib to Abatacept in Subjects With Rheumatoid Arthritis on Stable Dose of Conventional Synthetic Disease- Modifying Antirheumatic Drugs (csDMARDs) Who Have an Inadequate Response or Intolerance to Biologic DMARDs

NCT03086343
View directory record Official record
Conditions
Rheumatoid Arthritis (RA)
Interventions
Abatacept, Placebo for abatacept (0.9% Sodium Chloride Injection or Solution for Infusion), Upadacitinib, Placebo for upadacitinib
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years and older
Enrollment
657 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
44
States / cities
Peoria, Arizona • Sun City, Arizona • Tucson, Arizona + 40 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2024 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Pharmacokinetics (PK) Study of Natrunix in Healthy Volunteers

NCT05099510
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Natrunix, Placebo
Biological
Lead sponsor
XBiotech, Inc.
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Phase 1 Interventional Results available

Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of MK-1029 in Participants With Mild to Moderate Asthma

NCT01370317
View directory record Official record
Conditions
Asthma
Interventions
MK-1029, Placebo for MK-1029
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
2
States / cities
Costa Mesa, California • Rolling Hills Estates, California
Source: ClinicalTrials.gov public record
Updated Jan 24, 2019 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Phase 2 Interventional

Safety and Efficacy Study of Once and Twice Daily Doses of MCC-135 in Subjects With Congestive Heart Failure.

NCT00050076
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
MCC-135, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
53
States / cities
Phoenix, Arizona • Tucson, Arizona • Carmichael, California + 47 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2012 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Phase 3 Interventional Results available

Imatinib (QTI571) in Pulmonary Arterial Hypertension

NCT00902174
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
imatinib mesylate, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
33
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 25 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2016 · Synced Sep 27, 2026, 6:02 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

A Study of LY3509754 in Healthy Non-Japanese and Japanese Participants

NCT04586920
View directory record Official record
Conditions
Healthy
Interventions
LY3509754, Placebo, Itraconazole, Midazolam
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
2
States / cities
Anaheim, California • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 2, 2025 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Phase 2 Interventional Results available

Minocycline Study in Non Small Cell Lung Cancer (NSCLC) Patients for Chemoradiation Therapy

NCT01636934
View directory record Official record
Conditions
Lung Cancer
Interventions
Minocycline, Placebo, Questionnaires
Drug · Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 16, 2020 · Synced Sep 27, 2026, 6:02 PM EDT
Terminated Phase 4 Interventional Results available

Measuring Gait And Self-Reported Pain In Patients With Osteoarthritis Of The Knee Using Placebo/Oxycodone/Celecoxib.

NCT00484718
View directory record Official record
Conditions
Osteoarthritis
Interventions
celecoxib, Oxycodone, placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
40 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
2
States / cities
Palo Alto, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2021 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study in Healthy Adults Evaluating PF-07202954

NCT04857437
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease, Liver Fibrosis
Interventions
PF-07202954 Repeat Dose, PF-07202954 Single Dose, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Role of Vitamin D in Menopause: Relationship to Menopausal Symptoms in Body Composition

NCT01141972
View directory record Official record
Conditions
Hot Flushes, Menopause, Premature, Obesity, Vitamin D Deficiency
Interventions
Vitamin D, Placebo
Dietary Supplement · Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 29, 2013 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Phase 3 Interventional Results available

Adaptive COVID-19 Treatment Trial 3 (ACTT-3)

NCT04492475
View directory record Official record
Conditions
COVID-19
Interventions
Interferon beta-1a, Placebo, Remdesivir
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
969 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
55
States / cities
Birmingham, Alabama • Fresno, California • La Jolla, California + 45 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2022 · Synced Sep 27, 2026, 6:02 PM 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 27, 2026, 6:02 PM EDT
Completed Phase 2 Interventional Results available

Double-blind Study to Evaluate the Safety and Efficacy of Antroquinonol in Mild-Moderate COVID-19 Hospitalized Patients

NCT04523181
View directory record Official record
Conditions
Covid-19
Interventions
Antroquinonol, Placebo
Drug · Other
Lead sponsor
Golden Biotechnology Corporation
Industry
Eligibility
18 Years to 80 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
5
States / cities
Michigan City, Indiana • Wichita, Kansas • Rockville, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2023 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Study to Examine the Effects of Oral Fenretinide

NCT06528457
View directory record Official record
Conditions
Dengue
Interventions
ISLA101, Dengue 1 Live Virus Human Challenge (DENV-1-LVHC), Placebo
Drug · Other
Lead sponsor
Island Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
East Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Sep 27, 2026, 6:02 PM EDT
Recruiting Phase 2 Interventional

Intravenous Ketamine for Treatment-Resistant Depression

NCT06668571
View directory record Official record
Conditions
Depressive Disorder, Treatment-Resistant, Treatment Resistant Depression (TRD)
Interventions
Ketamine, Normal Saline
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 27, 2026, 6:02 PM EDT
Terminated Phase 3 Interventional Results available

Comparison of Fasiglifam (TAK-875) to Placebo and Sitagliptin in Combination With Metformin in Participants With Type 2 Diabetes

NCT01549964
View directory record Official record
Conditions
Glycemic Control
Interventions
Fasiglifam (TAK-875), Sitagliptin, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
916 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
58
States / cities
Muscle Shoals, Alabama • Mesa, Arizona • Peoria, Arizona + 55 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2016 · Synced Sep 27, 2026, 6:02 PM EDT
Recruiting Phase 2 Interventional

Mechanisms of Cannabidiol in Persons With MS: the Role of Sleep and Pain Phenotype

NCT05269628
View directory record Official record
Conditions
Multiple Sclerosis, Sleep, Pain
Interventions
Cannabidiol (CBD), Tetrahydrocannabinol (THC), Placebo CBD, Placebo THC
Drug
Lead sponsor
Tiffany J. Braley, MD, MS
Other
Eligibility
18 Years to 65 Years
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Augmenting Language Therapy for Aphasia: Levodopa

NCT01429077
View directory record Official record
Conditions
Nonfluent Aphasia, Stroke
Interventions
levodopa/carbidopa, Placebo comparator
Drug
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
21 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 24, 2013 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Not applicable Interventional Results available

The Effect of Januvia (Sitagliptin) on Oxidative Stress in Obese Type 2 Diabetic Subjects

NCT00659711
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Januvia (Sitagliptin) 100 mg, Placebo
Drug
Lead sponsor
University at Buffalo
Other
Eligibility
20 Years to 75 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 20, 2022 · Synced Sep 27, 2026, 6:02 PM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

Phase 1 Study of Oral MG001

NCT07204171
View directory record Official record
Conditions
Safety and Tolerability in Healthy Subjects
Interventions
mitragynine, Placebo
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Phase 2 Interventional

A Study of RO5024048 in Combination With Ritonavir-Boosted Danoprevir With or Without Copegus (Ribavirin) in Interferon-Naïve Patients With Chronic Hepatitis C Genotype 1 (INFORM-SVR)

NCT01278134
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Copegus placebo, RO5024048, danoprevir, peginterferon alfa-2a [Pegasys], ribavirin [Copegus], ritonavir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
18
States / cities
La Jolla, California • Sacramento, California • Orlando, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Phase 3 Interventional Results available

Long Term Safety and Efficacy Study of Tanezumab in Subjects With Osteoarthritis of the Hip or Knee

NCT02528188
View directory record Official record
Conditions
Chronic Pain, Osteoarthritis, Hip, Osteoarthritis, Knee
Interventions
NSAID, Tanezumab 2.5 mg, Tanezumab 5 mg
Drug · Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
3,021 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
299
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 187 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2020 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Phase 2 Interventional Results available

Sulforaphane for the Treatment of Young Men With Autism Spectrum Disorder

NCT02909959
View directory record Official record
Conditions
Autism Spectrum Disorder, Autistic Disorder, Neurodevelopmental Disorder, Childhood Developmental Disorders, Pervasive
Interventions
Sulforaphane, Placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
13 Years to 30 Years · Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Carrboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 3, 2020 · Synced Sep 27, 2026, 6:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pharmacogenetics of Ace Inhibitor-Associated Angioedema

NCT01413542
View directory record Official record
Conditions
Hypertension, Diabetes Type 2
Interventions
Sitagliptin (DPP4 inhibitor), Substance P,, bradykinin, enalaprilat (ACE inhibitor), Glucagon-like peptide 1, brain natriuretic peptide
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 3, 2015 · Synced Sep 27, 2026, 6:02 PM EDT