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Showing 1–24 of 92 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo 0mg Clear all
Completed Phase 4 Interventional Results available

A Study Evaluating the Efficacy and Impact on Health-related Quality of Life of Levocetirizine in Adults With Seasonal Allergic Rhinitis

NCT00621959
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
levocetirizine dihydrochloride, placebo
Drug
Lead sponsor
UCB Pharma
Industry
Eligibility
18 Years to 65 Years
Enrollment
596 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
26
States / cities
Scottsdale, Arizona • Hot Springs, Arkansas • Little Rock, Arkansas + 23 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2020 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Single and Multiple Dose of Rodatristat Ethyl in Healthy Adult Subjects to Evaluate the Effect of Food and Safety

NCT05684640
View directory record Official record
Conditions
Healthy
Interventions
Rodatristat Ethyl, Placebo
Drug
Lead sponsor
Altavant Sciences GmbH
Industry
Eligibility
18 Years to 55 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 26, 2023 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Phase 2 Interventional Results available

Clinical Neuropharmacology of Pain in Spinal Cord Injury- Dextromethorphan/Lidocaine Combination Clinical Trial

NCT02218203
View directory record Official record
Conditions
Central Neuropathic Pain, Allodynia, Spinal Cord Injury
Interventions
Dextromethorphan, Lidocaine, Placebo (Dextromethorphan), Placebo (Lidocaine)
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 7, 2025 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Phase 1 Interventional

Single Ascending Dose Study of BMS-820132 in Patients With Type 2 Diabetes

NCT01105429
View directory record Official record
Conditions
Diabetes Mellitus, Non-Insulin-Dependent
Interventions
BMS-820132, Placebo
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
3
States / cities
Chula Vista, California • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 8, 2011 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Phase 1Phase 2 Interventional Results available

A Study of the Relationship Between Disulfiram and Cocaine Self-administration.

NCT00729300
View directory record Official record
Conditions
Cocaine Addiction
Interventions
placebo, disulfiram
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 18, 2023 · Synced Sep 4, 2026, 10:33 AM EDT
Not listed Phase 2 Interventional

The Study to YD312 Tablet in Patients With Diabetic Macular Edema

NCT03635814
View directory record Official record
Conditions
Diabetic Macular Edema(DME)
Interventions
YD312 50mg, YD312 150mg, YD312 350mg, Placebo
Drug
Lead sponsor
YD Global Life Science Co., Ltd.
Industry
Eligibility
19 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
13
States / cities
Los Angeles, California • Hialeah, Florida • Lakeland, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2020 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Phase 2 Interventional

Safety Study of BMS-770767 in Subjects With Type 2 Diabetes

NCT01046422
View directory record Official record
Conditions
Diabetes Type 2
Interventions
BMS-770767, Placebo, Metformin
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 75 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Lomita, California • Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Oct 11, 2015 · Synced Sep 4, 2026, 10:33 AM EDT
Active, not recruiting Phase 2 Interventional

Clinical Trial to Evaluate the Safety and Efficacy of DWN12088 in Patients With IPF

NCT05389215
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
DWN12088, Placebo
Drug
Lead sponsor
Daewoong Pharmaceutical Co. LTD.
Industry
Eligibility
40 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
20
States / cities
Mesa, Arizona • Phoenix, Arizona • San Francisco, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Phase 2 Interventional

Efficacy and Safety Study of Magnesium Iron Hydroxycarbonate for the Reduction of High Blood Phosphate in Hemodialysis Patients

NCT00317694
View directory record Official record
Conditions
Chronic Kidney Failure
Interventions
Fermagate, Placebo
Drug
Lead sponsor
Ineos Healthcare Limited
Industry
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
4
States / cities
Pine Bluff, Arkansas • Stuttgart, Arkansas • Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 9, 2009 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Otoprotection With SPI-1005 for Prevention of Temporary Auditory Threshold Shift

NCT01444846
View directory record Official record
Conditions
Temporary Auditory Threshold Shift
Interventions
SPI-1005 Low dose, SPI-1005 Middle dose, SPI-1005 High dose, Placebo
Drug
Lead sponsor
Sound Pharmaceuticals, Incorporated
Industry
Eligibility
18 Years to 31 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 4, 2026, 10:33 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Effect of Cannabis on E-Cigarette Use Behavior

NCT06609109
View directory record Official record
Conditions
Cannabis Use, Tobacco Use, Electronic Cigarette Use
Interventions
THC High Dose, THC Low Dose, THC 0mg, E-Cigarette Full Nicotine, E-Cigarette Placebo Nicotine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 4, 2026, 10:33 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Vaporized Cannabis Administration and Co-Administration of Alcohol on Impairment

NCT06293040
View directory record Official record
Conditions
Cannabis Intoxication, Alcohol Intoxication
Interventions
Cannabis, Alcohol, Placebo Cannabis, Placebo Alcohol
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Phase 3 Interventional

Intramuscular Aripiprazole in Acutely Agitated Patients Diagnosed With Dementia

NCT00095719
View directory record Official record
Conditions
Dementia, Alzheimer's Disease
Interventions
Aripiprazole, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
55 Years to 95 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
14
States / cities
Santa Ana, California • Hamden, Connecticut • Hialeah, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2013 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Phase 4 Interventional

Study of Three Doses of Aripiprazole in Patients With Acute Schizophrenia

NCT00080327
View directory record Official record
Conditions
Schizophrenia
Interventions
Aripiprazole, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
370 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Wallingford, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 10, 2013 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Modafinil vs Placebo for the Treatment of Methamphetamine Dependence

NCT00469508
View directory record Official record
Conditions
Methamphetamine Dependence
Interventions
Modafinil, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Hollywood, California
Source: ClinicalTrials.gov public record
Updated Mar 1, 2020 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Varenicline on Cigarette Self Administration

NCT00731055
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 17, 2018 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Phase 2 Interventional Results available

SPI-1005 for Prevention and Treatment of Tobramycin Induced Ototoxicity

NCT02819856
View directory record Official record
Conditions
Ototoxicity
Interventions
Placebo, SPI-1005 Ebselen 200mg Capsule x1, SPI-1005 Ebselen 200mg Capsule x2, SPI-1005 Ebselen 200mg Capsule x3
Drug
Lead sponsor
Sound Pharmaceuticals, Incorporated
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 4, 2026, 10:33 AM EDT
Terminated Phase 2 Interventional Results available

A Safety and Effectiveness Study of Intraspinal Gabapentin (MDT2004) for the Treatment of Chronic Pain

NCT00414466
View directory record Official record
Conditions
Chronic Intractable Pain
Interventions
Intraspinal Gabapentin
Drug
Lead sponsor
MedtronicNeuro
Industry
Eligibility
18 Years to 70 Years
Enrollment
254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
14
States / cities
Little Rock, Arkansas • Napa, California • Sarasota, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2013 · Synced Sep 4, 2026, 10:33 AM EDT
Terminated Phase 2 Interventional Results available

Baclofen Effects on Smoking Urge and Withdrawal

NCT00257894
View directory record Official record
Conditions
Nicotine Use Disorder, Nicotine Dependence, Smoking, Tobacco Use Disorder
Interventions
Baclofen, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 3, 2015 · Synced Sep 4, 2026, 10:33 AM EDT
Withdrawn Phase 2 Interventional

A Study of the Effects of Minocycline on Cognitive Function After Carotid Endarterectomy

NCT00401921
View directory record Official record
Conditions
Carotid Stenosis
Interventions
Minocycline, Placebo oral capsule
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 13, 2017 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Aliskiren on Endothelial Function in Pre-Diabetes and Diabetes

NCT01165983
View directory record Official record
Conditions
Diabetes Type 2
Interventions
Placebo, Aliskiren
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
21 Years to 80 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 27, 2017 · Synced Sep 4, 2026, 10:33 AM EDT
Recruiting Phase 2 Interventional

Combined THC and CBD for OUD and Chronic Pain

NCT06544291
View directory record Official record
Conditions
Chronic Pain, Opioid Use Disorder
Interventions
CBD 300mg, CBD 600mg, Placebo 0mg
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Staccato Loxapine in Migraine (in Clinic)

NCT00489476
View directory record Official record
Conditions
Migraine
Interventions
Staccato Loxapine, Staccato Placebo
Drug
Lead sponsor
Alexza Pharmaceuticals, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Wellesley Hills, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 5, 2017 · Synced Sep 4, 2026, 10:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Establishing the Effect of Flavor on the Addictive Potential of Electronic Cigarettes

NCT03905928
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Nicotine Containing ECIG with tobacco flavor, Nicotine Containing ECIG with Strawberry Vanilla Flavor, Placebo ECIG with Tobacco Flavor, Placebo ECIG with Strawberry Vanilla Flavor
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years to 60 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 21, 2025 · Synced Sep 4, 2026, 10:33 AM EDT