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Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Mucociliary Clearance Clear all
Recruiting Phase 4 Interventional

Hypertonic Saline in NCFB

NCT06242795
View directory record Official record
Conditions
Bronchiectasis, Non-cystic Fibrosis Bronchiectasis
Interventions
7% Hypertonic Saline via nebulization
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Not applicable Interventional

Mucociliary Clearance Time in Chronic Rhinosinusitis (CRS) Patients After Sinus Surgery

NCT00947986
View directory record Official record
Conditions
Chronic Rhinosinusitis
Interventions
1% Johnson's Baby Shampoo
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 21, 2010 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Phase 1 Interventional Results available

Durability of Hypertonic Saline for Enhancing Mucociliary Clearance in Cystic Fibrosis

NCT01094704
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
sodium chloride (7%)
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Baltimore, Maryland • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 20, 2012 · Synced Sep 12, 2026, 1:34 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Lung Mucus Hypersecretion and NQO1

NCT00729352
View directory record Official record
Conditions
Environmental Exposure, Ozone, Air Pollution, Genetic Susceptibility
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 35 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2014 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Study to Assess Effect of Next-Generation Propellant MDI on Mucociliary Clearance Vs. HFA Propellant MDI in Healthy Participants

NCT05755932
View directory record Official record
Conditions
Mucociliary Clearance
Interventions
HFO-1234ze(E), HFA-134a
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 60 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
4
States / cities
Kansas City, Kansas • Baltimore, Maryland • Chapel Hill, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Phase 4 Interventional Results available

Inhaled Mannitol on Mucociliary Clearance in Moderate to Severe Cystic Fibrosis

NCT05740618
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Mannitol Inhalant Product
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Absorptive Clearance in the Cystic Fibrosis Airway

NCT00541190
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Technetium [Tc-99m] sulfur colloid and Indium [In-111] DTPA
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 23, 2017 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Phase 1 Interventional

A Study to Assess the Effect of AZD5634 on Mucociliary Clearance, Safety, Tolerability and Pharmacokinetic Parameters in Patients With Cystic Fibrosis

NCT02950805
View directory record Official record
Conditions
Pulmonary/Respiratory Diseases
Interventions
Placebo, AZD5634
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 60 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
3
States / cities
Birmingham, Alabama • Baltimore, Maryland • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 12, 2018 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Inhalation of 20,000 EU CCRE and Mucociliary Clearance (MCC) in Otherwise Healthy Individuals Who Are Current Cigarette Smokers

NCT00924768
View directory record Official record
Conditions
Healthy, Cigarette Smoking
Interventions
20K EU CCRE
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 5, 2013 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Phase 2 Interventional Results available

Evaluating the Effect of Mucinex 1200mg on Mucociliary and Cough Clearance During an Acute Respiratory Infection

NCT01114581
View directory record Official record
Conditions
Acute Respiratory Infection
Interventions
Mucinex, Placebo
Drug
Lead sponsor
Reckitt Benckiser LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 18, 2018 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Phase 2 Interventional Results available

Effect of Lucinactant on Mucus Clearance in Cystic Fibrosis Lung Disease

NCT00934362
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Lucinactant first, Placebo first
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
14 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 12, 2017 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessing Mucociliary Clearance and Airway Liquid Volume in the CF Airway

NCT00248755
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
mucociliary clearance scan
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 24, 2017 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Imaging Airway Liquid Absorption in Cystic Fibrosis

NCT01486199
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Absorptive clearance scan
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
6 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced Sep 12, 2026, 1:34 PM EDT
Not yet recruiting Not applicable Interventional

Clearance in Primary Ciliary Dyskinesia

NCT07699302
View directory record Official record
Conditions
Primary Ciliary Dyskinesia, PCD
Interventions
Exercise, HS pretreatment with Exercise
Behavioral · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 12, 2026, 1:34 PM EDT
Terminated Not applicable Interventional

Symptom Based Performance of Airway Clearance After Starting Highly Effective Modulators for Cystic Fibrosis (SPACE-CF)

NCT05392855
View directory record Official record
Conditions
Cystic Fibrosis, Mucociliary Clearance Defect
Interventions
Symptom driven performance of airway clearance, Continuous daily performance of airway clearance
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Mucociliary Clearance in Healthy Subjects: Comparison of Levalbuterol and Racemic Albuterol

NCT00325767
View directory record Official record
Conditions
Mucociliary Clearance
Interventions
nebulized albuterol (2.5 mg/3ml/dose), nebulized levalbuterol (1.25 mg/3ml/dose), nebulized placebo (3ml/dose)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 14, 2006 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study to Characterize the Durability of Hypertonic Saline to Enhance Mucociliary Clearance in Healthy Subjects

NCT01617369
View directory record Official record
Conditions
Healthy Subjects
Interventions
Hypertonic Saline
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Not applicable Interventional Results available

Study of Humidified Air to Improve Mucociliary Clearance (MCC) in COPD

NCT03935932
View directory record Official record
Conditions
COPD
Interventions
nasal delivery of heated and humidified air
Device
Lead sponsor
Frank C Sciurba
Other
Eligibility
40 Years to 85 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 7, 2023 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Phase 1 Interventional

Repeatability and Response Study of Absorptive Clearance Scans

NCT01887197
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Absorptive clearance scan, inhaled hypertonic saline (7%), mannitol inhalation powder
Other · Drug
Lead sponsor
Tim Corcoran
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 5, 2018 · Synced Sep 12, 2026, 1:34 PM EDT
Recruiting Phase 4 Interventional

Measuring the Effect of Dupilumab Treatment on Mucociliary Clearance (MCC) in Subjects With Moderate to Severe Asthma

NCT04743791
View directory record Official record
Conditions
Asthma
Interventions
Dupilumab, Placebo
Drug · Other
Lead sponsor
Sally E. Wenzel MD
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 12, 2026, 1:34 PM EDT
Completed No phase listed Observational

Genetic Disorders of Mucociliary Clearance in Nontuberculous Mycobacterial Lung Disease

NCT00368446
View directory record Official record
Conditions
Cystic Fibrosis, Pseudohypoaldosteronism, Nontuberculous Mycobacterial Infection, Chronic Granulomatous Disease, Primary Ciliary Dyskinesia
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
2 Years to 65 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 12, 2026, 1:34 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Pathogenesis of Primary Ciliary Dyskinesia (PCD) Lung Disease

NCT00807482
View directory record Official record
Conditions
Kartagener Syndrome
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Not listed
Enrollment
1,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2027
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Not applicable Interventional Results available

Researching the Effects of Airway Clearance Therapies in Cystic Fibrosis

NCT03078127
View directory record Official record
Conditions
Cystic Fibrosis, Mucociliary Clearance Defect
Interventions
Baseline (Huff-Cough alone), Oscillatory Positive Expiatory Pressure Device, Whole-Body Vibration Platform, High Frequency Chest Wall Oscillatory Vest
Other · Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 4, 2019 · Synced Sep 12, 2026, 1:34 PM EDT
Completed Phase 1 Interventional

Study of Inhaled RCT1100 in Adults With PCD Caused by Pathogenic Mutations in the DNAI1 Gene to Measure Mucociliary Clearance

NCT06633757
View directory record Official record
Conditions
Primary Ciliary Dyskinesia (PCD)
Interventions
RCT1100
Drug
Lead sponsor
ReCode Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 12, 2026, 1:34 PM EDT