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ClinicalTrials.gov public records Last synced Oct 14, 2026, 10:53 AM EDT

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Showing 169–192 of 281 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo 50 or 100 mg Clear all
Terminated Early Phase 1 Interventional

Methamphetamine-Quetiapine Interactions in Humans

NCT00567866
View directory record Official record
Conditions
Methamphetamine Dependence
Interventions
Quetiapine
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jul 13, 2010 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Genotype on Resting State Connectivity During Methamphetamine Administration

NCT03973489
View directory record Official record
Conditions
Methamphetamine-dependence
Interventions
Magnetic resonance imaging (MRI), Methamphetamine Hydrochloride Tablets, Placebo oral tablet
Behavioral · Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 55 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 15, 2024 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 2 Interventional

Safety, Tolerability, and Antiviral Activity of 24 or 48 Weeks of GS-9190 in Combination With Peginterferon Alfa 2a and Ribavirin for the Treatment of Genotype-1 Chronic HCV Infection

NCT00743795
View directory record Official record
Conditions
HCV Infection
Interventions
placebo, GS-9190, Peginterferon Alfa 2a, Ribavirin
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 70 Years
Enrollment
252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
48
States / cities
Anaheim, California • Los Angeles, California • Newport Beach, California + 37 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2013 · Synced Oct 14, 2026, 10:53 AM EDT
Terminated Phase 3 Interventional Results available

A Study of Bevacizumab (Avastin) in Combination With Rituximab (MabThera) and CHOP (Cyclophosphamide, Hydroxydaunorubicin [Doxorubicin], Oncovin [Vincristine], Prednisone) Chemotherapy in Patients With Diffuse Large B-cell Lymphoma

NCT00486759
View directory record Official record
Conditions
B-cell Lymphoma
Interventions
Bevacizumab, Rituximab, CHOP, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 79 Years
Enrollment
787 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
17
States / cities
La Jolla, California • Whittier, California • Aurora, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2017 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Study Evaluating the Effect of Albiglutide on Gallbladder Emptying in Healthy Subjects

NCT02496221
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Albiglutide 50 mg, Placebo, CCK (Kinevac)
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 2 Interventional Results available

Acetaminophen and Ascorbate in Sepsis: Targeted Therapy to Enhance Recovery

NCT04291508
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome, Critical Illness, Respiratory Failure, Sepsis
Interventions
Intravenous Acetaminophen (room temperature), Intravenous Vitamin C (refrigerated), 5% Dextrose (room temperature), 5% Dextrose refrigerated
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
41
States / cities
Birmingham, Alabama • Tucson, Arizona • Fresno, California + 34 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2024 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 2 Interventional Results available

Dose-Ranging Phase 2b Study of ABX464 in Moderate to Severe Ulcerative Colitis

NCT03760003
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
ABX464 100 mg, ABX464 50 mg, ABX464 25 mg, Placebo
Drug
Lead sponsor
Abivax S.A.
Industry
Eligibility
18 Years to 75 Years
Enrollment
355 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
4
States / cities
San Diego, California • Decatur, Georgia • Austin, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2025 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 2 Interventional Results available

Safety And Efficacy Study Of Palbociclib Plus Cetuximab Versus Cetuximab To Treat Head And Neck Cancer

NCT02499120
View directory record Official record
Conditions
Squamous Cell Carcinoma of the Head and Neck (SCCHN)
Interventions
palbociclib, Cetuximab, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
14
States / cities
La Jolla, California • San Diego, California • Louisville, Kentucky + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2023 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 4 Interventional Results available

Effect of Testosterone in Men With Erectile Dysfunction

NCT00512707
View directory record Official record
Conditions
Erectile Dysfunction, Testosterone Deficiency, Diabetes
Interventions
Sildenafil citrate (open label), Testosterone gel, Placebo gel
Drug · Other
Lead sponsor
Boston University
Other
Eligibility
40 Years to 70 Years · Male only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 29, 2017 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Ascending Dose Pharmacokinetic (PK) and Absolute Bioavailability (BA)

NCT00983255
View directory record Official record
Conditions
Bacterial Infections
Interventions
TR-701 FA for injection, 200 mg/vial, TR-701 FA tablets
Drug
Lead sponsor
Trius Therapeutics LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years to 50 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 19, 2016 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 2 Interventional Results available

PECS Block vs. Multimodal Analgesia for Prevention of Persistent Postoperative Pain in Breast Surgery

NCT03084536
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Female, Cancer of Breast
Interventions
Bupivacaine, Gabapentin, Celecoxib, Acetaminophen, Midazolam, Fentanyl
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 24, 2024 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Clinical Study to Investigate the Effect of the Combination of Psychotropic Drugs and an Opioid on Ventilation

NCT04310579
View directory record Official record
Conditions
Hypercapnia, Ventilatory Depression
Interventions
Oxycodone and Midazolam, Oxycodone, Paroxetine, and Quetiapine
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study in Healthy Volunteers to Evaluate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of GS-9674 (Cilofexor), and the Effect of Food on GS-9674 Pharmacokinetics and Pharmacodynamics

NCT02654002
View directory record Official record
Conditions
Nonalcoholic Steatohepatitis (NASH)
Interventions
Cilofexor, Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 45 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 12, 2020 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 4 Interventional Results available

Olmesartan Comparison to Losartan in Hypertensive Subjects

NCT00949884
View directory record Official record
Conditions
Hypertension
Interventions
olmesartan medoxomil, Placebo, losartan potassium
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
941 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
20
States / cities
Mesa, Arizona • Phoenix, Arizona • Harbor City, California + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2011 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 3 Interventional Results available

Comparison of Paliperidone Palmitate and RISPERDAL CONSTA in Patients With Schizophrenia

NCT00589914
View directory record Official record
Conditions
Schizophrenia
Interventions
RISPERDAL CONSTA, Paliperidone palmitate
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older
Enrollment
1,221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
15
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Cerritos, California + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2014 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Pharmacokinetics and the Effect on Cardiac Repolarization of Odalasvir Administered as a Single Dose Tablet Under Fed Conditions in Healthy Participants

NCT02889367
View directory record Official record
Conditions
Healthy
Interventions
Odalasvir 100 mg, Placebo, Odalasvir 500 mg, Odalasvir (Up to maximum 1000 mg)
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 3 Interventional Results available

A Study to Find Out How Nintedanib is Taken up in the Body and How Well it is Tolerated in Children and Adolescents With Interstitial Lung Disease (ILD)

NCT04093024
View directory record Official record
Conditions
Lung Diseases, Interstitial
Interventions
Nintedanib, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
6 Years to 17 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
9
States / cities
Los Angeles, California • Aurora, Colorado • Indianapolis, Indiana + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 4 Interventional

A Multicenter, Randomized, Parallel Group, Double-Blind, Placebo Controlled, Flexible Dose Escalation Study To Evaluate Sexual And Relationship Satisfaction In The Female Partner Of Men With Erectile Dysfunction Treated With Sildenafil Citrate

NCT00644631
View directory record Official record
Conditions
Erectile Dysfunction
Interventions
sildenafil, placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
21 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
31
States / cities
Huntsville, Alabama • Little Rock, Arkansas • Beverly Hills, California + 26 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Oct 14, 2026, 10:53 AM EDT
Active, not recruiting Phase 3 Interventional Results available

A Switch to Doravirine/Islatravir (DOR/ISL) in Participants With Human Immunodeficiency Virus Type 1 (HIV-1) Who Are Virologically Suppressed on Bictegravir/Emtricitabine/Tenofovir Alafenamide (BIC/FTC/TAF) (MK-8591A-052)

NCT05630755
View directory record Official record
Conditions
HIV-1 Infection
Interventions
DOR/ISL, BIC/FTC/TAF, Placebo to BIC/FTC/TAF, Placebo to DOR/ISL
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
514 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
24
States / cities
Phoenix, Arizona • Beverly Hills, California • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 3 Interventional

A Comparison of PRC-063 and Lisdexamfetamine in the Driving Performance of Adults With ADHD

NCT02555150
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
PRC-063, lisdexamfetamine dimesylate, Placebo
Drug
Lead sponsor
Rhodes Pharmaceuticals, L.P.
Industry
Eligibility
18 Years to 35 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 19, 2017 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 4 Interventional Results available

Mechanistic Evaluation of Glucose-lowering Strategies in Patients With Heart Failure

NCT02917031
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Heart Failure
Interventions
Saxagliptin, Sitagliptin, Placebo to match saxagliptin, Placebo to match sitagliptin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
11
States / cities
Torrance, California • Upland, California • Miami, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2021 · Synced Oct 14, 2026, 10:53 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Hemodynamic Response of Neuropathic And Non-Neuropathic POTS Patients To Adrenoreceptor Agonist And Antagonist

NCT03070730
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome, Orthostatic Intolerance
Interventions
Droxidopa, Atenolol, Placebos
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 18, 2017 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 2 Interventional Results available

PrecISE (Precision Interventions for Severe and/or Exacerbation-Prone Asthma) Network Study

NCT04129931
View directory record Official record
Conditions
Asthma
Interventions
MCT, Clazakizumab, Broncho-Vaxom, Imatinib Mesylate, Cavosonstat, Placebo
Drug · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Years and older
Enrollment
950 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
29
States / cities
Scottsdale, Arizona • Tucson, Arizona • Sacramento, California + 17 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Oct 14, 2026, 10:53 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Study of PER977 Administered to Subjects With Steady State Edoxaban Dosing and Re-anticoagulation With Edoxaban

NCT02207257
View directory record Official record
Conditions
Anticoagulation Reversal
Interventions
PER977, Placebo, Edoxaban
Drug
Lead sponsor
Perosphere Pharmaceuticals Inc, a wholly owned subsidiary of AMAG Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated May 21, 2020 · Synced Oct 14, 2026, 10:53 AM EDT