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ClinicalTrials.gov public records Last synced Oct 24, 2026, 2:41 AM EDT

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Showing 1297–1320 of 33,093 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: placebo Clear all
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacokinetics of Gepotidacin Tablets in Adults and Adolescents Subjects

NCT04079790
View directory record Official record
Conditions
Infections, Bacterial
Interventions
Gepotidacin, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years to 64 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Sep 4, 2020 · Synced Oct 24, 2026, 2:41 AM EDT
Terminated Phase 2 Interventional Results available

Panhematin for Prevention of Acute Attacks of Porphyria

NCT02922413
View directory record Official record
Conditions
Acute Intermittent Porphyria, Hereditary Coproporphyria, Variegate Porphyria
Interventions
Hemin for injection, Placebo
Biological · Other
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 30, 2026 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

VITAL-DEP: Depression Endpoint Prevention in the VITamin D and OmegA-3 TriaL

NCT01696435
View directory record Official record
Conditions
Depression, Depressive Symptoms, Mood
Interventions
vitamin D3, omega-3 fatty acids (fish oil), Fish oil placebo, Vitamin D placebo
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
18,353 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Phase 1 Interventional

A Clinical Trial Study to Determine the Effect of an Investigational Drug (SEP-363856) Has on the Way That the Drug Metformin Travels Through the Body in People With Schizophrenia.

NCT04865835
View directory record Official record
Conditions
Schizophrenia
Interventions
placebo, SEP-363856, metformin
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Oakland Park, Florida • Marlton, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 26, 2024 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Phase 2 Interventional

This Study is to Assess the Efficacy and Safety of ZD6474 in Subjects With Non-small Cell Lung Cancer.

NCT00047840
View directory record Official record
Conditions
Non-Small Cell Lung Cancer (NSCLC, Locally Advanced or Metastatic, Second-line
Interventions
ZD6474, Placebo, Docetaxel
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
16
States / cities
Los Angeles, California • Jacksonville, Florida • Atlanta, Georgia + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2016 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A(H7N9) VLP Antigen Dose-Ranging Study With Matrix-M1™ Adjuvant

NCT02078674
View directory record Official record
Conditions
Influenza (Pandemic)
Interventions
Monovalent Avian Influenza VLP (H7N9), Matrix-M1™ adjuvant, Placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 64 Years
Enrollment
610 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
5
States / cities
Walnut Creek, California • Miami, Florida • Meridian, Idaho + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2016 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Not applicable Interventional

Non-invasive Neurostimulation in Parkinson's Disease

NCT01615718
View directory record Official record
Conditions
Parkinson's Disease
Interventions
low-intensity transcranial electrical stimulation, transcranial ultrasound
Procedure
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
40 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Phase 2 Interventional Results available

Analgesic Effect of IV Acetaminophen in Tonsillectomies

NCT01691690
View directory record Official record
Conditions
Adenotonsillitis, Tonsillitis
Interventions
Acetaminophen (paracetamol), Normal Saline Flush, Midazolam, Sevoflurane, Nitrous Oxide/Oxygen, Propofol, Morphine, Ondansetron, Dexamethasone
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
2 Years to 9 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 6, 2017 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Phase 4 Interventional

Ambien CR vs. Placebo For Treatment Of Insomnia Associated With Anxiety When Used Concomitantly With Escitalopram (Lexapro)

NCT00296790
View directory record Official record
Conditions
Insomnia
Interventions
zolpidem tartrate
Drug
Lead sponsor
Sanofi
Industry
Eligibility
21 Years to 64 Years
Enrollment
372 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 12, 2007 · Synced Oct 24, 2026, 2:41 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

FLASH-Breast: Evaluating the Efficacy of Fezolinetant in Reducing Vasomotor Symptoms in Women With Breast Cancer on Endocrine Therapy

NCT06917313
View directory record Official record
Conditions
Breast Cancer Early Stage Breast Cancer (Stage 1-3)
Interventions
Fezolinetant, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Female only
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
2
States / cities
New Haven, Connecticut • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Phase 3 Interventional Results available

Dabigatran Etexilate for Secondary Stroke Prevention in Patients With Embolic Stroke of Undetermined Source (RE-SPECT ESUS)

NCT02239120
View directory record Official record
Conditions
Stroke, Secondary Prevention
Interventions
optional ASA as comedication, placebo to ASA, placebo to optional ASA as comedication, placebo to dabigatran etexilate, ASA 100 mg, dabigatran etexilate
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years to 150 Years
Enrollment
5,390 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
110
States / cities
Phoenix, Arizona • Beverly Hills, California • El Cajon, California + 94 more
Source: ClinicalTrials.gov public record
Updated Sep 6, 2019 · Synced Oct 24, 2026, 2:41 AM EDT
Active, not recruiting Phase 2 Interventional

The Long COVID Treatment Trial

NCT07128082
View directory record Official record
Conditions
Long COVID
Interventions
Tirzepatide, Placebo
Drug
Lead sponsor
Scripps Translational Science Institute
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Phase 2 Interventional Results available

Ox Bile- Conjugated Bile Acids Sodium in Type II Diabetes Mellitus

NCT02871882
View directory record Official record
Conditions
Type 2 Diabetes Mellitus, Obese, Overweight
Interventions
Gastric Emptying test, Mixed Oral Glucose Tolerance test, Conjugated bile acids sodium, Placebo
Radiation · Other · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 31, 2023 · Synced Oct 24, 2026, 2:41 AM EDT
Withdrawn Phase 2 Interventional

Study of Efficacy and Safety of Brodalumab Compared With Placebo in Subjects With Axial Spondyloarthritis

NCT02429882
View directory record Official record
Conditions
Axial Spondyloarthritis
Interventions
Brodalumab 210 mg, Placebo
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
3
States / cities
Scottsdale, Arizona • Oklahoma City, Oklahoma • Duncansville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 19, 2015 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Phase 2 Interventional Results available

Study to Compare PT007 to Placebo MDI and Open-Label Proventil® HFA in Adult and Adolescent Subjects With Asthma

NCT03364608
View directory record Official record
Conditions
Asthma
Interventions
AS MDI 90 μg, AS MDI 180 µg, Placebo MDI, Proventil 90 μg, Proventil 180 μg
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
12 Years to 65 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
10
States / cities
Rolling Hills Estates, California • Stockton, California • Winter Park, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2019 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

fMRI Study Examining Effects of D-cycloserine in Specific Phobia

NCT00591825
View directory record Official record
Conditions
Phobias
Interventions
D-cycloserine, Placebo
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 5, 2017 · Synced Oct 24, 2026, 2:41 AM EDT
Not listed Phase 2Phase 3 Interventional

ASCENT: Androgen Independent Prostate Cancer Study of Calcitriol Enhancing Taxotere

NCT00043576
View directory record Official record
Conditions
Prostate Cancer
Interventions
calcitriol, docetaxel
Drug
Lead sponsor
Novacea
Industry
Eligibility
18 Years and older · Male only
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
52
States / cities
Montgomery, Alabama • Scottsdale, Arizona • Tucson, Arizona + 44 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2009 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Phase 3 Interventional

The FLASH Study: A Study of Roflumilast Versus Placebo in Patients With Asthma (BY217/M2-023)

NCT00076076
View directory record Official record
Conditions
Asthma
Interventions
Roflumilast
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
822 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
39
States / cities
Cities in Alabama, Alabama • Cities in Arizona, Arizona • Cities in Arkansas, Arkansas + 36 more
Source: ClinicalTrials.gov public record
Updated Dec 2, 2016 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Safety, Tolerability and Effects of AZD8630 in Healthy Subjects and Subjects With Asthma on Inhaled Corticosteroids and Long-acting Beta-agonists

NCT05110976
View directory record Official record
Conditions
Asthma
Interventions
AZD8630, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 75 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
18
States / cities
Tempe, Arizona • Bakersfield, California • Glendale, California + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2023 · Synced Oct 24, 2026, 2:41 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

A Study To Examine Safety, Pharmacokinetics, And Pharmacodynamic Of Pf 06412562 In Healthy Males

NCT02306876
View directory record Official record
Conditions
Healthy
Interventions
PF-06412562 3mg BID, PF-06412562 15mg BID, Placebo
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
3
States / cities
Arcadia, California • Glendale, California
Source: ClinicalTrials.gov public record
Updated Aug 17, 2017 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Phase 2 Interventional

Study Evaluating Etanercept in Moderate to Severe Asthma

NCT00141791
View directory record Official record
Conditions
Asthma
Interventions
Etanercept
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
13
States / cities
Birmingham, Alabama • Denver, Colorado • Sarasota, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2009 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Ofatumumab Compared to Teriflunomide in Patients With Relapsing Multiple Sclerosis

NCT02792218
View directory record Official record
Conditions
Relapsing Multiple Sclerosis
Interventions
Ofatumumab subcutaneous injection, Teriflunomide-matching placebo capsules, Teriflunomide capsule, Matching placebo of ofatumumab subcutaneous injections
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
930 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
56
States / cities
Phoenix, Arizona • Berkeley, California • Fullerton, California + 50 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2021 · Synced Oct 24, 2026, 2:41 AM EDT
Completed Not applicable Interventional

Reduced Contractile Reserve: a Therapeutic Target in Heart Failure With Preserved Ejection Fraction(HFpEF)

NCT01354613
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction, Pulmonary Disease, Left Ventricular Hypertrophy/Hypertension
Interventions
Dobutamine, Amlodipine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 11, 2019 · Synced Oct 24, 2026, 2:41 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

A Comparison of IV Versus PO Acetaminophen Postoperatively for Opioid Consumption After Cesarean Section

NCT04290208
View directory record Official record
Conditions
Postoperative Pain, Cesarean Section, Acetaminophen
Interventions
Acetaminophen, Placebos
Drug
Lead sponsor
Main Line Health
Other
Eligibility
18 Years and older · Female only
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Wynnewood, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 28, 2020 · Synced Oct 24, 2026, 2:41 AM EDT