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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:54 AM EDT

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Showing 97–120 of 166 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: PBO Clear all
Completed Phase 1 Interventional Results available

Clavulanic Acid (CLAV) and Cocaine Interaction Safety Study

NCT02563769
View directory record Official record
Conditions
Cocaine Dependence, Cocaine Addiction, Cocaine Abuse, Cocaine-Related Disorders
Interventions
Clavulanic acid, Intravenous cocaine, Placebo
Drug
Lead sponsor
Temple University
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 3, 2023 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 3 Interventional Results available

A Maintenance Study of Mirikizumab in Participants With Moderately to Severely Active Ulcerative Colitis

NCT03524092
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
Mirikizumab SC, Mirikizumab IV, Placebo SC
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
57
States / cities
Dothan, Alabama • Litchfield Park, Arizona • Phoenix, Arizona + 51 more
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 21, 2026, 5:54 AM EDT
Terminated Early Phase 1 Interventional

An Open Label, Double-blind Discontinuation Study of Quetiapine Extended Release(XR)

NCT00606541
View directory record Official record
Conditions
Social Anxiety Disorder
Interventions
Quetiapine XR, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 1, 2014 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 4 Interventional Results available

Biomarker Predictors of Memantine Sensitivity in Patients With Alzheimer's Disease

NCT03703856
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Memantine
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
50 Years to 83 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Oct 21, 2026, 5:54 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Efficacy and Safety Study of MYOBLOC® in the Treatment of Adult Lower Limb Spasticity

NCT04099667
View directory record Official record
Conditions
Spasticity
Interventions
Phase 2; Low Dose MYOBLOC (15,000 Units), Phase 2; High Dose MYOBLOC (20,000 Units), Phase 2; Placebo, Phase 3; MYOBLOC, Phase 3; Placebo
Drug
Lead sponsor
Solstice Neurosciences, LLC, a subsidiary of MDD US Operations, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
4
States / cities
Downey, California • Boise, Idaho • Port Royal, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Bimekizumab in Study Participants With Moderate to Severe Hidradenitis Suppurativa

NCT04242446
View directory record Official record
Conditions
Hidradenitis Suppurativa
Interventions
Bimekizumab, Placebo
Drug · Other
Lead sponsor
UCB Biopharma SRL
Industry
Eligibility
18 Years and older
Enrollment
505 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
28
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 25 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 4 Interventional Results available

Study of the Optimal Protocol for Methotrexate and Adalimumab Combination Therapy in Early Rheumatoid Arthritis

NCT00420927
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
adalimumab, methotrexate, placebo
Biological · Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years and older
Enrollment
1,032 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
49
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 45 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2012 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Safety and Tolerability, and Pharmacokinetics of UCB0022 in Healthy Caucasian, Japanese, and Chinese Participants

NCT06970301
View directory record Official record
Conditions
Healthy Study Participants
Interventions
glovadalen, Placebo
Drug · Other
Lead sponsor
UCB Biopharma SRL
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 4 Interventional

Target Engagement and Response to Oxytocin

NCT03245437
View directory record Official record
Conditions
Schizophrenia
Interventions
Oxytocin nasal spray, Social Cognition Skills Training, Health Management, Placebo nasal spray
Drug · Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 21, 2025 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Study of Telaprevir in Combination With Pegasys® and Copegus® in Treatment-Naive Subjects With Genotype 1 Hepatitis C Virus (HCV)

NCT00627926
View directory record Official record
Conditions
Hepatitis C
Interventions
Pegylated Interferon Alfa 2a, Telaprevir, Ribavirin, Placebo
Biological · Drug · Other
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
1,095 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
65
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fresno, California + 48 more
Source: ClinicalTrials.gov public record
Updated Aug 8, 2014 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 2 Interventional

Behavioral Naltrexone Therapy: A Novel Treatment for Heroin Dependence

NCT00332228
View directory record Official record
Conditions
Opiate Dependence
Interventions
depot naltrexone, Compliance enhancement (CE), BNT
Drug · Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 26, 2012 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Antidepressant Medication Plus Donepezil for Treating Late-life Depression

NCT00177671
View directory record Official record
Conditions
Depression, Dementia
Interventions
Escitalopram, Donepezil, Venlafaxine, Placebo, Duloxetine
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
65 Years and older
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 6, 2013 · Synced Oct 21, 2026, 5:54 AM EDT
Recruiting Phase 2Phase 3 Interventional

Study of Chemosensory Enhancement Through Neuromodulation Training (SCENT for Long COVID)

NCT05855369
View directory record Official record
Conditions
Smell Dysfunction, Olfactory Disorder, Long COVID
Interventions
Trigeminal Nerve Stimulation (TNS), Active Smell Training (ST), Placebo Smell Training (PBO)
Device · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Low-dose Naltrexone in Combination With a Range of Smoked Marijuana

NCT00743145
View directory record Official record
Conditions
Marijuana Smoking
Interventions
Inactive Marijuana (0% THC), Active Marijuana (5.5% THC), Active Marijuana (6.2% THC), Naltrexone, Placebo naltrexone
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
23 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 Sep 14, 2018 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dose-Response of Gonadal Steroids and Bone Turnover in Older Men

NCT00114114
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Testosterone, Goserelin acetate
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
60 Years to 75 Years · Male only
Enrollment
177 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 1 Interventional Results available

Study Evaluating Safety, Tolerability, And Action Of OAP-189 In Subjects With Type 2 Diabetes On Metformin

NCT00970593
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
OAP-189, placebo comparator
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Chula Vista, California • Miami Gardens, Florida
Source: ClinicalTrials.gov public record
Updated Nov 2, 2020 · Synced Oct 21, 2026, 5:54 AM EDT
Terminated Phase 3 Interventional Results available

A Long-term Active Treatment Study of Mongersen (GED-0301) in Subjects With Crohn's Disease

NCT02641392
View directory record Official record
Conditions
Crohn's Disease
Interventions
GED-0301, Placebo
Drug · Other
Lead sponsor
Celgene
Industry
Eligibility
12 Years and older
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
23
States / cities
San Diego, California • Atlanta, Georgia • Indianapolis, Indiana + 18 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2019 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Placebo Controlled Study of Atomoxetine in the Treatment of Mild to Moderate Cognitive Difficulties in Menopausal Women

NCT00611533
View directory record Official record
Conditions
Menopause, Cognitive Disturbances
Interventions
atomoxetine, placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
45 Years to 60 Years · Female only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 3 Interventional Results available

1. Study to Evaluate the Efficacy/Safety of Bremelanotide in Premenopausal Women With Hypoactive Sexual Desire Disorder

NCT02333071
View directory record Official record
Conditions
Hypoactive Sexual Desire Disorder
Interventions
Bremelanotide, Placebo
Drug · Other
Lead sponsor
Palatin Technologies, Inc
Industry
Eligibility
18 Years and older · Female only
Enrollment
723 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
87
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 79 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2021 · Synced Oct 21, 2026, 5:54 AM EDT
Terminated Phase 2 Interventional

VIBRANT Study of Vurolenatide in Adult Patients With Short Bowel Syndrome.

NCT04988997
View directory record Official record
Conditions
Short Bowel Syndrome
Interventions
Vurolenatide 50mg/PBO, Vurolenatide 100mg/PBO, Vurolenatide 50/50 mg, Placebo
Drug
Lead sponsor
9 Meters Biopharma, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
6
States / cities
Gainesville, Florida • Atlanta, Georgia • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2022 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 3 Interventional Results available

Extension in AS: Sustainability of Benefits, Safety and Tolerability

NCT01863732
View directory record Official record
Conditions
Spondylitis, Ankylosing
Interventions
Secukinumab, Placebo (Pbo)
Biological · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
5
States / cities
Portland, Oregon • Duncansville, Pennsylvania • Jackson, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2019 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Patterns After Administration of MCFAs in Psoriasis and Psoriatic Arthritis

NCT03409211
View directory record Official record
Conditions
Psoriasis, Psoriatic Arthritis
Interventions
PEVCO, Dietary Supplement Capsules without Coconut Oil
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 2, 2020 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 2 Interventional Results available

A Study of Telaprevir (VX-950), Pegasys and Copegus in Hepatitis C (PROVE3)

NCT00420784
View directory record Official record
Conditions
Hepatitis C
Interventions
Telaprevir, Ribavirin, Pegylated Interferon Alfa 2a, Matching Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 70 Years
Enrollment
465 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
41
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 35 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Oct 21, 2026, 5:54 AM EDT
Terminated Phase 2 Interventional

Dose Ranging Study of ART621 in Subjects Diagnosed With Rheumatoid Arthritis Taking Methotrexate

NCT00928317
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
ART621, Placebo
Drug
Lead sponsor
Arana Therapeutics Ltd
Industry
Eligibility
18 Years to 80 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
6
States / cities
Tampa, Florida • Springfield, Illinois • Lincoln, Nebraska + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2010 · Synced Oct 21, 2026, 5:54 AM EDT