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Showing 1–24 of 118 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Chronic Sinusitis Clear all
Completed Not applicable Interventional Results available

Clinical Evaluation of Propel Nova Sinus Implant in Peripheral Sinus Ostia

NCT02228720
View directory record Official record
Conditions
Chronic Sinusitis
Interventions
Propel Nova Sinus Implant
Device
Lead sponsor
Intersect ENT
Industry
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
2
States / cities
Miami, Florida • Dublin, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 3, 2017 · Synced Sep 5, 2026, 9:15 AM EDT
Completed Not applicable Interventional Results available

Balloon Sinus Dilation In Office or OR

NCT00939393
View directory record Official record
Conditions
Chronic Sinusitis
Interventions
FESS instruments with or without balloon treatment, Balloon Sinuplasty
Device
Lead sponsor
Integra LifeSciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Independence, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Sep 5, 2026, 9:15 AM EDT
Recruiting Phase 3 Interventional

Efficacy and Safety of 186 mcg of OPN-375 Nasal Spray Twice a Day (BID) in Adolescents With Chronic Rhinosinusitis Without Nasal Polyps

NCT06850805
View directory record Official record
Conditions
Chronic Rhinosinusitis Without Nasal Polyps
Interventions
OPN-375, Placebo
Drug
Lead sponsor
Optinose US Inc.
Industry
Eligibility
12 Years to 17 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
21
States / cities
Gilbert, Arizona • Orange, California • Sacramento, California + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Sep 5, 2026, 9:15 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

High Resolution Micro OCT Imaging

NCT03256773
View directory record Official record
Conditions
Cystic Fibrosis, COPD, PCD - Primary Ciliary Dyskinesia, Covid19, Sinusitis, ILD, Normal Controls
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
14 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 5, 2026, 9:15 AM EDT
Not listed Phase 3 Interventional

Gel-Sinuplasty for Chronic Rhinosinusitis With and Without Nasal Polyposis

NCT03472144
View directory record Official record
Conditions
Chronic Sinusitis, Ethmoidal, Chronic Sinusitis - Ethmoidal Anterior, Chronic Sinusitis, Chronic Sinusitis - Ethmoidal, Posterior, Chronic Sinusitis, Sphenoidal, Chronic Sinusitis - Frontoethmoidal, Nasal Polyps, Nasal Polyp - Posterior
Interventions
gel loaded with steroids (momentasone), gel loaded with antibiotic (Levofloxacin), gel loaded with both steroids and antibiotic
Drug
Lead sponsor
LifeBridge Health
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 20, 2018 · Synced Sep 5, 2026, 9:15 AM EDT
Completed Phase 1Phase 2 Interventional

SynRinse Irrigation Pilot (SIP) Trial

NCT03154541
View directory record Official record
Conditions
Sinusitis, Chronic, Cystic Fibrosis With Other Manifestations
Interventions
Synrinse
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Sep 5, 2026, 9:15 AM EDT
Completed No phase listed Observational

Medical Therapy Versus Sinus Surgery for Chronic Rhinosinusitis: A Prospective, Multi-institutional Study

NCT01255566
View directory record Official record
Conditions
Chronic Rhinosinusitis, Sinusitis
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
3
States / cities
Chicago, Illinois • Philadelphia, Pennsylvania • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 23, 2013 · Synced Sep 5, 2026, 9:15 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Management of Pediatric Chronic Rhinosinusitis in Asthmatic Children

NCT03336671
View directory record Official record
Conditions
Chronic Sinusitis, Adenoid Disease - Chronic
Interventions
Endoscopic Sinus surgery, Adenoidectomy
Procedure
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
6 Years to 12 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Oct 12, 2021 · Synced Sep 5, 2026, 9:15 AM EDT
Completed Not applicable Interventional Results available

Xylitol Versus Saline in Chronic Sinusitis

NCT00924404
View directory record Official record
Conditions
Chronic Sinusitis
Interventions
Xylitol, Saline
Drug
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 30, 2018 · Synced Sep 5, 2026, 9:15 AM EDT
Completed No phase listed Observational

Clinical Study to Improve Diagnosis and Treatment of Sinusitis

NCT00962689
View directory record Official record
Conditions
Chronic Sinusitis
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
5 Years to 90 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 27, 2017 · Synced Sep 5, 2026, 9:15 AM EDT
Recruiting No phase listed Observational

Nasal Potential Difference (NPD) Protocol in Chronic Rhinosinusitis

NCT02038166
View directory record Official record
Conditions
Rhinosinusitis
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Sep 5, 2026, 9:15 AM 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 25, 2025 · Synced Sep 5, 2026, 9:15 AM EDT
Completed Phase 3 Interventional Results available

Study Evaluating the Safety of Intranasal Administration of 400 μg of Fluticasone Propionate Twice a Day (BID) Using a Novel Bi-Directional Device in Subjects With Chronic Sinusitis With or Without Nasal Polyps

NCT01623323
View directory record Official record
Conditions
Chronic Sinusitis With or Without Nasal Polyps
Interventions
Fluticasone Propionate
Drug
Lead sponsor
Optinose US Inc.
Industry
Eligibility
18 Years and older
Enrollment
705 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
18
States / cities
Phoenix, Arizona • Colorado Springs, Colorado • Largo, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2016 · Synced Sep 5, 2026, 9:15 AM EDT
Completed Phase 4 Interventional Results available

Study of Asthma and Nasal Steroids

NCT01118312
View directory record Official record
Conditions
Asthma, Rhinitis, Sinusitis
Interventions
Mometasone Furoate monohydrate, Placebo
Drug · Other
Lead sponsor
JHSPH Center for Clinical Trials
Other
Eligibility
6 Years and older
Enrollment
388 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
19
States / cities
Tucson, Arizona • San Diego, California • Denver, Colorado + 16 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2015 · Synced Sep 5, 2026, 9:15 AM 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 6, 2023 · Synced Sep 5, 2026, 9:15 AM EDT
Completed Phase 3 Interventional Results available

A Clinical Evaluation of a Steroid-Coated Sinus Stent When Used Following Functional Endoscopic Sinus Surgery in Patients With Chronic Sinusitis

NCT01253577
View directory record Official record
Conditions
Chronic Sinusitis
Interventions
Sinus Stent with drug coating, Non Coated Sinus Stent
Device
Lead sponsor
Intersect ENT
Industry
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
11
States / cities
Fresno, California • Colorado Springs, Colorado • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2015 · Synced Sep 5, 2026, 9:15 AM EDT
Completed Not applicable Interventional Results available

Oral Steroids in Chronic Rhinosinusitis Without Nasal Polyps

NCT02927834
View directory record Official record
Conditions
Sinusitis
Interventions
6 day Prednisone, Augmentin, 21 day Prednisone
Drug
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Dec 28, 2020 · Synced Sep 5, 2026, 9:15 AM EDT
Completed Not applicable Interventional Results available

Safety and Efficacy of Balloon Sinuplasty in Pediatric Sinusitis

NCT00939471
View directory record Official record
Conditions
Chronic Sinusitis
Interventions
Relieva™ Balloon Sinuplasty™ System
Device
Lead sponsor
Integra LifeSciences Corporation
Industry
Eligibility
2 Years to 17 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Sep 5, 2026, 9:15 AM EDT
Completed No phase listed Observational

Analysis of Inflammation and Microbiome in Patients With Sinusitis and Asthma

NCT02548598
View directory record Official record
Conditions
Asthma, Chronic Rhinosinusitis
Interventions
Endoscopic sinus surgery
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 2, 2021 · Synced Sep 5, 2026, 9:15 AM EDT
Completed Phase 2 Interventional Results available

Esmolol vs. Labetalol in Endoscopic Sinus Surgery

NCT03661346
View directory record Official record
Conditions
Chronic Sinusitis
Interventions
Labetalol, Esmolol
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 7, 2021 · Synced Sep 5, 2026, 9:15 AM EDT
Completed Phase 4 Interventional Results available

The Impact Of The Addition Of Budesonide To Low-Pressure, High-Volume Saline Sinus Irrigation For Chronic Rhinosinusitis

NCT02696850
View directory record Official record
Conditions
Rhinosinusitis, Chronic Eosinophilic Rhinosinusitis, Allergic Rhinosinusitis
Interventions
Budesonide, Saline alone
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 2, 2019 · Synced Sep 5, 2026, 9:15 AM 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 Apr 30, 2018 · Synced Sep 5, 2026, 9:15 AM EDT
Completed Phase 4 Interventional Results available

The PIO II Study: In-office Post-op Placement of a Steroid-eluting Sinus Implant

NCT02668302
View directory record Official record
Conditions
Chronic Sinusitis, Ethmoidal
Interventions
Steroid-eluting sinus implant, Post-op standard of care
Combination Product · Other
Lead sponsor
Collin County Ear Nose & Throat
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Frisco, Texas
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Sep 5, 2026, 9:15 AM EDT
Withdrawn Not applicable Interventional

Improvement of Outcomes in Draf III/Endoscopic Modified Lothrop Procedure

NCT02981017
View directory record Official record
Conditions
Chronic Sinusitis, Frontal Sinusitis
Interventions
Porcine Intestinal submucosal xenograft
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 29, 2020 · Synced Sep 5, 2026, 9:15 AM EDT