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ClinicalTrials.gov public records Last synced Sep 10, 2026, 5:50 AM EDT

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Showing 1–24 of 36 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Leukotriene Clear all
Completed Phase 2 Interventional Results available

Montelukast to Treat Bronchiolitis Obliterans

NCT00656058
View directory record Official record
Conditions
Bronchiolitis Obliterans, Chronic Graft Versus Host Disease, Leukotriene, Montelukast, Stem Cell Transplant
Interventions
Singulair (Montelukast Sodium)
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
6 Years to 80 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 8, 2018 · Synced Sep 10, 2026, 5:50 AM EDT
Not listed Phase 2 Interventional

Study of Oral Zileuton in the Treatment of Moderate to Severe Facial Acne Vulgaris

NCT00098358
View directory record Official record
Conditions
Acne Vulgaris
Interventions
Zileuton
Drug
Lead sponsor
Critical Therapeutics
Industry
Eligibility
12 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
12
States / cities
San Diego, California • Newnan, Georgia • Louisville, Kentucky + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2007 · Synced Sep 10, 2026, 5:50 AM EDT
Completed Phase 3 Interventional Results available

A Comparison of PT027 vs PT007 Used as Needed in Participants With Asthma

NCT05505734
View directory record Official record
Conditions
Asthma
Interventions
BDA MDI, AS MDI
Drug
Lead sponsor
Bond Avillion 2 Development LP
Industry
Eligibility
12 Years and older
Enrollment
2,516 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
61
States / cities
Mobile, Alabama • Paradise Valley, Arizona • Tempe, Arizona + 50 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2025 · Synced Sep 10, 2026, 5:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Genotype Stratified Pharmacokinetic Study of Montelukast

NCT01086527
View directory record Official record
Conditions
Asthma
Interventions
10 mg tablet of montelukast (Singulair)
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
7 Years to 35 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 9, 2025 · Synced Sep 10, 2026, 5:50 AM EDT
Terminated Phase 2 Interventional Results available

Breast Capsular Contracture Following Post-Mastectomy Reconstruction in Women Treated With the Leukotriene Inhibitor Zafirlukast: A Phase II Trial

NCT02950480
View directory record Official record
Conditions
Breast Cancer
Interventions
zafirlukast, Standard of Care (no intervention)
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 89 Years · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 30, 2019 · Synced Sep 10, 2026, 5:50 AM EDT
Completed Not applicable Interventional

Transporter Mediated Uptake of Montelukast

NCT00513760
View directory record Official record
Conditions
Asthma
Interventions
Grapefruit juice, Orange Juice, Gatorade
Dietary Supplement
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
15 Years to 18 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 9, 2025 · Synced Sep 10, 2026, 5:50 AM EDT
Terminated Phase 3 Interventional Results available

Targeting Leukotrienes in Kidney Disease

NCT05362474
View directory record Official record
Conditions
Diabetic Kidney Disease
Interventions
Montelukast
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
30 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Sep 10, 2026, 5:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Airflow Obstruction and Biomarkers of Airway Inflammation During and Following Acute Exacerbations of Childhood Asthma

NCT01227070
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
6 Years to 18 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 21, 2010 · Synced Sep 10, 2026, 5:50 AM EDT
Terminated Phase 4 Interventional Results available

Moderate to Persistent Asthma in the Obese Subject

NCT01016847
View directory record Official record
Conditions
Asthma
Interventions
Montelukast, Sugar pill
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 16, 2014 · Synced Sep 10, 2026, 5:50 AM EDT
Completed Phase 3 Interventional

A Pilot Study of Montelukast Sodium (Singulair) in Older Adults With Asthma or Chronic Obstructive Pulmonary Disease

NCT00162864
View directory record Official record
Conditions
Asthma, COPD
Interventions
montelukast sodium
Drug
Lead sponsor
Kaiser Permanente
Other
Eligibility
50 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2002
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 23, 2006 · Synced Sep 10, 2026, 5:50 AM EDT
Completed No phase listed Observational

Role of Leukotrienes and Adenosine in Hyperpnea-induced Bronchospasm

NCT00710255
View directory record Official record
Conditions
Asthma, Exercise Induced
Interventions
Hyperpnea challenge
Procedure
Lead sponsor
University of Vermont
Other
Eligibility
12 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Colchester, Vermont
Source: ClinicalTrials.gov public record
Updated Oct 30, 2016 · Synced Sep 10, 2026, 5:50 AM EDT
Not listed Phase 4 Interventional

The Effect of Xolair on Inhibiting Leukotriene and Cytokine (IL-4 and IL-13) Release From Blood Basophils

NCT00673218
View directory record Official record
Conditions
Allergy
Interventions
Placebo, Xolair
Drug
Lead sponsor
Creighton University
Other
Eligibility
19 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 5, 2012 · Synced Sep 10, 2026, 5:50 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Treatment of Bronchial Asthma With Borage and Echium Seed Oils

NCT00806442
View directory record Official record
Conditions
Bronchial Asthma
Interventions
Borage Seed Oil and Echium Seed Oil, Corn Oil
Drug · Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Sep 10, 2026, 5:50 AM EDT
Completed Not applicable Interventional Results available

The Effect of Montelukast on Asthma Control in Overweight/Obese Atopic Asthmatics

NCT01329939
View directory record Official record
Conditions
Asthma, Obesity, Inflammation
Interventions
Montelukast, Placebo
Drug
Lead sponsor
Northwell Health
Other
Eligibility
7 Years to 17 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Great Neck, New York
Source: ClinicalTrials.gov public record
Updated Apr 6, 2016 · Synced Sep 10, 2026, 5:50 AM EDT
Completed No phase listed Observational

Roflumilast In-Vitro Basophil Release

NCT00613587
View directory record Official record
Conditions
Allergy, Asthma
Interventions
Not listed
Lead sponsor
Creighton University
Other
Eligibility
19 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 9, 2012 · Synced Sep 10, 2026, 5:50 AM EDT
Completed No phase listed Observational

Urinary Leukotriene E4 Levels in Children With Obstructive Sleep Apnea

NCT02205346
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
2 Years to 16 Years
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 5, 2018 · Synced Sep 10, 2026, 5:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Airborne Ultrafine and Fine Particulate Matter: A Cause for Endothelial Dysfunction in Man?

NCT00814281
View directory record Official record
Conditions
Airway Inflammation
Interventions
placebo, Montelukast
Other · Drug
Lead sponsor
Marywood University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Scranton, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 20, 2009 · Synced Sep 10, 2026, 5:50 AM EDT
Completed Phase 3 Interventional

Predicting the Response to Montelukast by Genetic Variation in Asthmatics

NCT00116324
View directory record Official record
Conditions
Asthma
Interventions
Montelukast
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 17, 2021 · Synced Sep 10, 2026, 5:50 AM EDT
Completed Phase 4 Interventional Results available

The Leukotriene Modifier Or Corticosteroid or Corticosteroid-Salmeterol Trial

NCT00156819
View directory record Official record
Conditions
Asthma
Interventions
fluticasone, montelukast, Fluticasone plus salmeterol
Drug
Lead sponsor
JHSPH Center for Clinical Trials
Other
Eligibility
6 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
19
States / cities
Birmingham, Alabama • Denver, Colorado • Jacksonville, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2015 · Synced Sep 10, 2026, 5:50 AM EDT
Completed Not applicable Interventional Results available

Effect of Montelukast on Experimentally-Induced RV16 Infection in Asthma

NCT00359073
View directory record Official record
Conditions
Asthma
Interventions
montelukast, placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 12, 2018 · Synced Sep 10, 2026, 5:50 AM EDT
Terminated Phase 3 Interventional Results available

Zileuton to Treat Adults With Chronic Obstructive Pulmonary Disease (The LEUKO Study)

NCT00493974
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Zileuton, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
45 Years and older
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
18
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2019 · Synced Sep 10, 2026, 5:50 AM EDT
Completed Not applicable Interventional

High Omega-3/Low Omega-6 Treatment Diet for Aspirin-exacerbated Respiratory Disease (AERD)

NCT02064738
View directory record Official record
Conditions
ASA Triad, Asthma, Nasal Polyps, And Aspirin Intolerance
Interventions
Restricting daily intake of omega-6 fatty acids to less than 4 grams and increasing omega-3 fatty acids to 3 grams
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 15, 2019 · Synced Sep 10, 2026, 5:50 AM EDT
Terminated Phase 4 Interventional

Zileuton CR vs Placebo in Poorly Controlled Asthma Patients on Moderate Dose ICS

NCT00486343
View directory record Official record
Conditions
Asthma
Interventions
Zileuton CR, Placebo
Drug
Lead sponsor
Critical Therapeutics
Industry
Eligibility
12 Years to 70 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Lexington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 2, 2008 · Synced Sep 10, 2026, 5:50 AM EDT
Terminated No phase listed Observational

The Effect of Levocetirizine on Inflammatory Mediators in Dermatographism

NCT01008592
View directory record Official record
Conditions
Rhinitis, Urticaria
Interventions
levocetirizine or placebo
Drug
Lead sponsor
Wake Forest University
Other
Eligibility
18 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Sep 10, 2026, 5:50 AM EDT