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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo Inhalation Powder Clear all
Completed Phase 1 Interventional

A Study of the Safety and Pharmacokinetics of Levodopa Following Administration of CVT 301 (Levodopa Inhalation Powder) in Adults With Asthma

NCT02633007
View directory record Official record
Conditions
Asthma
Interventions
CVT-301 (levodopa inhalation powder), Carbidopa, Placebo
Drug · Other
Lead sponsor
Acorda Therapeutics
Industry
Eligibility
25 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
3
States / cities
Daytona Beach, Florida • North Dartmouth, Massachusetts • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 12, 2016 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 3 Interventional Results available

AMPLIFY - D6571C00001 Duaklir USA Phase III Study

NCT02796677
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Aclidinium bromide 400 μg/Formoterol Fumarate 12 μg (AB/FF 400/12 μg), Aclidinium bromide 400 μg (AB 400 μg), Formoterol fumarate 12 μg (FF 12 μg), Placebo to AB/FF 400/12 μg, AB 400 μg and FF 12 μg, Tiotropium 18 μg (TIO 18 μg), Placebo to TIO 18 μg
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
40 Years to 130 Years
Enrollment
1,595 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
85
States / cities
Gulf Shores, Alabama • Phoenix, Arizona • Tucson, Arizona + 74 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2018 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 4 Interventional Results available

Study to Validate the Instructions for Use of TOBI® Podhaler™ in Cystic Fibrosis Patients

NCT02178540
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Placebo, Tobi Podhaler
Drug · Device
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
6 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
13
States / cities
Phoenix, Arizona • Long Beach, California • Los Angeles, California + 9 more
Source: ClinicalTrials.gov public record
Updated May 22, 2016 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 2 Interventional

A Dose-Finding Study Evaluating Safety and Efficacy in Patients With Chronic Obstructive Pulmonary Disease

NCT00403286
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Fluticasone Propionate/Formoterol Fumarate, Fluticasone Propionate, Formoterol Fumarate, Fluticasone Propionate/Salmeterol Xinafoate, Placebo
Drug
Lead sponsor
Dey
Industry
Eligibility
40 Years and older
Enrollment
457 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
49
States / cities
Birmingham, Alabama • Jasper, Alabama • Phoenix, Arizona + 44 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2009 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 2 Interventional Results available

Crossover Study to Evaluate the Efficacy, Safety and Tolerability of Different Doses of Indacaterol in Patients With Persistent Asthma

NCT01959412
View directory record Official record
Conditions
Asthma
Interventions
Indacaterol 27.5 mcg, Indacaterol 37.5, Indacaterol 55 mcg, Indacaterol 75 mcg, Indacaterol 150 mcg, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
12
States / cities
Huntington Beach, California • Los Angeles, California • Mission Viejo, California + 9 more
Source: ClinicalTrials.gov public record
Updated May 5, 2015 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 3 Interventional Results available

NVA237 BID Versus Placebo Twelve-week Efficacy Study

NCT01715298
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
NVA237, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
40 Years and older
Enrollment
432 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
59
States / cities
*See Various Dept.'s*, Arizona • Chandler, Arizona • Fresno, California + 48 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2015 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 3 Interventional Results available

ACTIV-6: COVID-19 Study of Repurposed Medications - Arm C (Fluticasone)

NCT05736874
View directory record Official record
Conditions
Covid19
Interventions
Fluticasone, Placebo
Drug · Other
Lead sponsor
Susanna Naggie, MD
Other
Eligibility
30 Years and older
Enrollment
1,407 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
87
States / cities
Gilbert, Arizona • Mesa, Arizona • Peoria, Arizona + 75 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2023 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 3 Interventional Results available

ACTIV-6: COVID-19 Study of Repurposed Medications

NCT04885530
View directory record Official record
Conditions
Covid19
Interventions
Ivermectin, Fluvoxamine, Fluticasone, Placebo, Montelukast, Metformin
Drug · Other
Lead sponsor
Susanna Naggie, MD
Other
Eligibility
30 Years and older
Enrollment
10,956 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
110
States / cities
Chandler, Arizona • Gilbert, Arizona • Mesa, Arizona + 96 more
Source: ClinicalTrials.gov public record
Updated Nov 16, 2025 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 2 Interventional Results available

Evaluation of Dupilumab's Effects on Airway Inflammation in Patients With Asthma

NCT02573233
View directory record Official record
Conditions
Asthma
Interventions
Placebo, Dupilumab SAR231893/REGN668, fluticasone propionate and salmeterol, budesonide and formoterol, mometasone furoate and formoterol
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 65 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
6
States / cities
Tucson, Arizona • Denver, Colorado • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2022 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 3 Interventional Results available

Efficacy of Albuterol SPIROMAX® in Adult and Adolescent Patients With Exercise-Induced Bronchoconstriction (EIB)

NCT01791972
View directory record Official record
Conditions
Exercise-Induced Bronchoconstriction (EIB)
Interventions
Albuterol Spiromax, Placebo Spiromax
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
6
States / cities
San Diego, California • Denver, Colorado • Wheaton, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2015 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 3 Interventional Results available

Evaluating the Efficacy and Safety of Fluticasone Furoate Inhalation Powder in the Treatment of Asthma in Adults and Adolescents

NCT01159912
View directory record Official record
Conditions
Asthma
Interventions
Fluticasone propionate, Fluticasone furoate, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
55
States / cities
Birmingham, Alabama • Montgomery, Alabama • Green Valley, Arizona + 45 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2017 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 2 Interventional Results available

A Study to Assess the Efficacy and Safety of Multiple Dose Levels of AZD7594 Administered Once Daily by Inhalation in Asthmatic Subjects

NCT03622112
View directory record Official record
Conditions
Asthma
Interventions
AZD7594 DPI 55μg/50μg., AZD7594 DPI 99 µg/90 µg, AZD7594 DPI 198 µg/180 µg, AZD7594 DPI 396 µg/360 µg once daily., AZD7594 DPI 792 µg/720 µg, Placebo for AZD7594 once daily., FF 100 µg once daily (open-label)
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 85 Years
Enrollment
808 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
21
States / cities
Sheffield, Alabama • Phoenix, Arizona • Fullerton, California + 18 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2020 · Synced Sep 15, 2026, 9:24 PM EDT
Recruiting Phase 2 Interventional

Study Evaluating the Efficacy, Safety, and Tolerability of ASY202 (Dihydroergotamine Mesylate [DHE] Inhalation Powder Delivered Via a Multidose Dry Powder Inhaler) for the Acute Treatment of Migraine in Adult Patients

NCT07646613
View directory record Official record
Conditions
Migraine
Interventions
ASY202, Placebo
Combination Product
Lead sponsor
Aspeya, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
6
States / cities
Walnut Creek, California • Orlando, Florida • Las Vegas, Nevada + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 2 Interventional

Treating Exacerbations of Asthma With Oral Montelukast in Children

NCT05819541
View directory record Official record
Conditions
Status Asthmaticus
Interventions
Montelukast Oral Granules, Albuterol, Corticosteroid
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
4 Years to 12 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 4 Interventional Results available

Study of the Ease of Use and Correct Use of Placebo ELLIPTA® Inhaler in Subjects With Asthma

NCT02586506
View directory record Official record
Conditions
Asthma
Interventions
Placebo ELLIPTA inhaler, Questionnaire
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
259 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
15
States / cities
Mobile, Alabama • Huntington Beach, California • Aventura, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 10, 2017 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 3 Interventional Results available

A Study to Assess the Efficacy, Safety and Tolerability of Once-daily (q.d.) QVA149 in Patients With Moderate to Severe Chronic Obstructive Pulmonary Disease (COPD)

NCT01202188
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
indacaterol and glycopyrronium (QVA149), glycopyrronium (NVA237), indacaterol (QAB149), tiotropium, placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
40 Years and older
Enrollment
2,144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
14
States / cities
Fullerton, California • Riverside, California • St. Petersburg, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2013 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Indacaterol in Patients With Chronic Obstructive Pulmonary Disease (COPD)

NCT00624286
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Indacaterol 150 μg, Placebo to indacaterol
Drug
Lead sponsor
Novartis
Industry
Eligibility
40 Years and older
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
118
States / cities
Anniston, Alabama • Birmingham, Alabama • Jasper, Alabama + 105 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2011 · Synced Sep 15, 2026, 9:24 PM EDT
Terminated Phase 3 Interventional Results available

A Twelve Month Long Term Safety Study to Evaluate the Safety of Albuterol in a Dry Powder Inhaler With Both Repeated and as Needed Dosing

NCT01218009
View directory record Official record
Conditions
Asthma
Interventions
Placebo Spiromax, Albuterol Spiromax
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
12 Years and older
Enrollment
331 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
30
States / cities
Scottsdale, Arizona • Los Angeles, California • San Diego, California + 27 more
Source: ClinicalTrials.gov public record
Updated May 19, 2015 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 2 Interventional

A Phase 2 Study of the Safety and Efficacy of a Tofimilast in Adult Patients With Chronic Obstructive Pulmonary Disease

NCT00219622
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
tofimilast
Drug
Lead sponsor
Pfizer
Industry
Eligibility
40 Years to 75 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
23
States / cities
Phoenix, Arizona • Riverside, California • Clearwater, Florida + 18 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2012 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Determine if Technosphere® Inhalation Powder (FDKP) Causes ECG Changes (QTc) Following the Medication's Inhaled Administration.

NCT00721344
View directory record Official record
Conditions
Healthy Subjects
Interventions
Technosphere Inhalation Powder (FDKP), Moxifloxacin, Placebo
Drug
Lead sponsor
Mannkind Corporation
Industry
Eligibility
18 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jun 12, 2012 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 1 Interventional

A Study to Evaluate Safety, Tolerability and Pharmacokinetics of MNKD-201 in Patients With Idiopathic Pulmonary Fibrosis

NCT07344558
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis (IPF)
Interventions
MNKD-201(Nintedanib DPI), Placebo
Drug
Lead sponsor
Mannkind Corporation
Industry
Eligibility
40 Years to 85 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
9
States / cities
Fresno, California • Palm Springs, California • Doral, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 4 Interventional Results available

A Study Evaluating the Persistency of Response With or Without Xolair (Omalizumab) After Long-term Therapy

NCT01125748
View directory record Official record
Conditions
Allergic Asthma
Interventions
Omalizumab, Placebo, Asthma therapies
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
17 Years to 70 Years
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
100
States / cities
Huntsville, Alabama • Little Rock, Arkansas • Bakersfield, California + 87 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2014 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Not applicable Interventional

Clinical Endpoint Bioequivalence Study of Fluticasone Propionate & Salmeterol Xinafoate (100μg/50μg)

NCT03535870
View directory record Official record
Conditions
Asthma
Interventions
Fluticasone propionate/salmeterol, Advair Diskus, 100 Mcg-50 Mcg Inhalation Powder, Placebo
Drug
Lead sponsor
West-Ward Pharmaceutical
Industry
Eligibility
12 Years to 65 Years
Enrollment
1,556 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Nov 28, 2019 · Synced Sep 15, 2026, 9:24 PM EDT
Completed Phase 4 Interventional Results available

Human Factors Study to Validate the User Interface of TOBI Podhaler Using Placebo Capsules

NCT03502070
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Placebo, Tobi Podhaler
Drug · Device
Lead sponsor
Mylan Inc.
Industry
Eligibility
6 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
9
States / cities
Miami, Florida • Orlando, Florida • Pensacola, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Sep 15, 2026, 9:24 PM EDT