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ClinicalTrials.gov public records Last synced Oct 12, 2026, 3:59 PM EDT

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Showing 73–96 of 121 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Chronic Rhinosinusitis (Diagnosis) Clear all
Completed Phase 4 Interventional Results available

Prophylactic Antibiotics After Functional Endoscopic Sinus Surgery: a Randomized, Double-blind Placebo Controlled Trial

NCT01919411
View directory record Official record
Conditions
Sinusitis
Interventions
Amoxicillin-Potassium Clavulanate, Placebo
Drug
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 25, 2020 · Synced Oct 12, 2026, 3:59 PM EDT
Completed Phase 3 Interventional Results available

A Clinical Trial of Omalizumab in Participants With Chronic Rhinosinusitus With Nasal Polyps

NCT03280537
View directory record Official record
Conditions
Nasal Polyps, Chronic Rhinosinusitis
Interventions
Omalizumab, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 75 Years
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
16
States / cities
Birmingham, Alabama • Tucson, Arizona • Rancho Cordova, California + 13 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2020 · Synced Oct 12, 2026, 3:59 PM EDT
Terminated Phase 3 Interventional Results available

Efficacy and Safety Study of Benralizumab in Patient With Eosinophilic Chronic Rhinosinusitis With Nasal Polyps (ORCHID)

NCT04157335
View directory record Official record
Conditions
Nasal Polyposis, Eosinophilic Chronic Rhinosinusitis
Interventions
Benralizumab 30 mg, Matched placebo
Biological
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 75 Years
Enrollment
295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
15
States / cities
Huntington Beach, California • Grand Junction, Colorado • Gainesville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 12, 2026, 3:59 PM EDT
Completed Not applicable Interventional Results available

Comparison of Nasal Steroids After FESS in CRSwNP

NCT02194062
View directory record Official record
Conditions
Sinusitis, Nasal Polyps
Interventions
fluticasone nasal spray, Budesonide head upright, Budesonide head forward
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
2
States / cities
New Haven, Connecticut • Stratford, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 8, 2018 · Synced Oct 12, 2026, 3:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Microarray Analysis of Sinus Samples From Patients With and Without Chronic Rhinosinusitis

NCT00683371
View directory record Official record
Conditions
Maxillary Sinusitis
Interventions
Specimen collection
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 5, 2020 · Synced Oct 12, 2026, 3:59 PM EDT
Completed Early Phase 1 Interventional

Sinopsys Lacrimal Stent Indicated for Sinus Irrigation

NCT02297243
View directory record Official record
Conditions
Ethmoid Sinusitis
Interventions
Sinopsys Lacrimal Stent
Device
Lead sponsor
Sinopsys Surgical
Industry
Eligibility
22 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
3
States / cities
Stanford, California • Greeley, Colorado • Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 12, 2016 · Synced Oct 12, 2026, 3:59 PM EDT
Withdrawn Phase 2Phase 3 Interventional

Hypertonic Versus Isotonic Saline Irrigations for Chronic Rhinosinusitis

NCT04242368
View directory record Official record
Conditions
Chronic Rhinosinusitis (Diagnosis)
Interventions
Isotonic saline, Hypertonic Nasal Wash, Fluticasone Propionate
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2021 · Synced Oct 12, 2026, 3:59 PM EDT
Completed Phase 2 Interventional Results available

GB001 in Adult Participants With Chronic Rhinosinusitis

NCT03956862
View directory record Official record
Conditions
Chronic Rhinosinusitis Without Nasal Polyps (CRSsNP), Chronic Rhinosinusitis With Nasal Polyps (CRSwNP)
Interventions
GB001, Placebo
Drug
Lead sponsor
GB001, Inc, a wholly owned subsidiary of Gossamer Bio, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
29
States / cities
Tucson, Arizona • Jonesboro, Arkansas • Los Angeles, California + 24 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Oct 12, 2026, 3:59 PM EDT
Completed No phase listed Observational Results available

Medical Therapy Versus Balloon Sinus Dilation for Patients With Chronic Rhinosinusitis

NCT01685229
View directory record Official record
Conditions
Sinusitis
Interventions
Balloon sinus dilation, Medical Management
Device · Drug
Lead sponsor
Integra LifeSciences Corporation
Industry
Eligibility
19 Years and older
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
20
States / cities
Denver, Colorado • Miami, Florida • Tampa, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2024 · Synced Oct 12, 2026, 3:59 PM EDT
Terminated Phase 4 Interventional Results available

Corticosteroid Therapy for Chronic Rhinosinusitis Without Nasal Polyps (CRSsNP)

NCT01676415
View directory record Official record
Conditions
Chronic Rhinosinusitis Without Nasal Polyps
Interventions
Prednisone, Topical mometasone
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 80 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 30, 2018 · Synced Oct 12, 2026, 3:59 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Xylitol for Chronic Sinusitis

NCT03229551
View directory record Official record
Conditions
Chronic Rhinosinusitis, Rhinosinusitis, Sinusitis, Drain Sinus, Endoscopic Sinus Surgery, Biofilms, Bacterial Overgrowth
Interventions
Xylitol, Saline
Drug
Lead sponsor
Ochsner Health System
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 7, 2023 · Synced Oct 12, 2026, 3:59 PM EDT
Completed Phase 2 Interventional Results available

Study of Dexpramipexole Chronic Sinusitis With Nasal Polyps and Eosinophilia

NCT02217332
View directory record Official record
Conditions
Chronic Sinusitis With Nasal Polyps and Eosinophilia
Interventions
dexpramipexole
Drug
Lead sponsor
Knopp Biosciences
Industry
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
7
States / cities
Boca Raton, Florida • Baltimore, Maryland • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced Oct 12, 2026, 3:59 PM EDT
Completed Phase 4 Interventional Results available

Mechanisms of Smell Improvement With Dupilumab.

NCT05964465
View directory record Official record
Conditions
Chronic Rhinosinusitis With Nasal Polyps
Interventions
Dupilumab
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Charleston, South Carolina • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 12, 2026, 3:59 PM EDT
Completed Phase 2 Interventional Results available

Gulf War Illness Nasal Irrigation Study

NCT01700725
View directory record Official record
Conditions
Persian Gulf Syndrome, Chronic Sinusitis, Fatigue, Acute Sinusitis
Interventions
Nasal Irrigation - Saline, Nasal Irrigation - Xylitol
Other · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
35 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 21, 2019 · Synced Oct 12, 2026, 3:59 PM EDT
Completed Phase 2 Interventional Results available

Dupilumab in CRSsNP

NCT04678856
View directory record Official record
Conditions
Chronic Rhinosinusitis Without Nasal Polyps, Sinusitis, Chronic Sinusitis, Sinus Disorder, Respiratory Disorder
Interventions
Dupilumab SAR231893, Placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
11
States / cities
Roseville, California • Stockton, California • Denver, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 12, 2026, 3:59 PM EDT
Withdrawn Not applicable Interventional

Vitamin D Supplementation in Chronic Rhinosinusitis With Nasal Polyps

NCT01185808
View directory record Official record
Conditions
Chronic Sinusitis
Interventions
Vitamin D
Biological
Lead sponsor
Medical University of South Carolina
Other
Eligibility
14 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 1, 2018 · Synced Oct 12, 2026, 3:59 PM EDT
Completed Phase 2 Interventional Results available

Balloon REmodeling Antrostomy THErapy Study

NCT00645762
View directory record Official record
Conditions
Sinusitis
Interventions
RS-Series Rhinosinusitis Treatment System, FinESS Balloon
Device
Lead sponsor
Entellus Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
13
States / cities
Fresno, California • Evanston, Illinois • Maywood, Illinois + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2013 · Synced Oct 12, 2026, 3:59 PM EDT
Recruiting No phase listed Observational

Sinus Disease in Young Children With Cystic Fibrosis

NCT06191640
View directory record Official record
Conditions
Cystic Fibrosis in Children, Cystic Fibrosis, Chronic Rhinosinusitis (Diagnosis), Olfactory Disorder, Olfactory Impairment
Interventions
Ivacaftor or elexacaftor/tezacaftor/ivacaftor
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
2 Years to 8 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
6
States / cities
Aurora, Colorado • Iowa City, Iowa • Kansas City, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 12, 2026, 3:59 PM EDT
Withdrawn Not applicable Interventional

Pilot Study To Evaluate A Pharmacologically Active Nasal Sponge Following Endoscopic Sinus Surgery

NCT00705354
View directory record Official record
Conditions
Sinusitis, Chronic Sinusitis
Interventions
Bacitracin, Nasopore sponge soaked with saline
Drug · Procedure
Lead sponsor
Lahey Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Burlington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 13, 2012 · Synced Oct 12, 2026, 3:59 PM EDT
Completed Phase 2 Interventional Results available

Benralizumab Effect on Severe Chronic Rhinosinusitis With Eosinophilic Polyposis

NCT03450083
View directory record Official record
Conditions
Chronic Rhinosinusitis (Diagnosis), Nasal Polyps, Eosinophilia
Interventions
Benralizumab, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Oct 12, 2026, 3:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Role of IL-5R Signaling in Non-eosinophil Upper Airway Cells in CRSwNP

NCT05672030
View directory record Official record
Conditions
Nasal Polyps, Aspirin-exacerbated Respiratory Disease
Interventions
Non-Interventional
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced Oct 12, 2026, 3:59 PM EDT
Completed No phase listed Interventional Accepts healthy volunteers Results available

A Clinical Evaluation of the Intersect ENT Sinus Device (ASCEND)

NCT03599271
View directory record Official record
Conditions
Chronic Rhinosinusitis (Diagnosis)
Interventions
Drug-Coated Device, Control Device
Device
Lead sponsor
Intersect ENT
Industry
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 26, 2021 · Synced Oct 12, 2026, 3:59 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effectiveness of Mometasone Nasal Irrigation for Chronic Rhinosinusitis

NCT03705793
View directory record Official record
Conditions
Chronic Rhinosinusitis (Diagnosis), Allergic Rhinosinusitis, Chronic Eosinophilic Rhinosinusitis
Interventions
Mometasone Furoate Nasal Irrigation, Mometasone Nasal Spray
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced Oct 12, 2026, 3:59 PM EDT
Completed No phase listed Observational

Response Shift in Sinus Surgery Outcomes

NCT01391910
View directory record Official record
Conditions
Chronic Rhinosinusitis
Interventions
Not listed
Lead sponsor
Greg Davis
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 12, 2013 · Synced Oct 12, 2026, 3:59 PM EDT