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ClinicalTrials.gov public records Last synced Oct 4, 2026, 3:29 AM EDT

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Showing 1–15 of 15 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Lung clearance index (LCI) Clear all
Completed Not applicable Interventional Results available

Effect of Hypertonic Saline on Mucus Clearance in Children Ages 5-12 With Cystic Fibrosis

NCT01031706
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Hypertonic Saline, Placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
5 Years to 12 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 3, 2017 · Synced Oct 4, 2026, 3:29 AM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, Pharmacokinetics, and Preliminary Pharmacodynamics of QBW251 in Healthy Subjects and Cystic Fibrosis Patients

NCT02190604
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Placebo, QBW251
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
153 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
9
States / cities
Birmingham, Alabama • Denver, Colorado • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2020 · Synced Oct 4, 2026, 3:29 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Utility of Lung Clearance Index Score as a Noninvasive Marker of Deployment Lung Disease

NCT03012958
View directory record Official record
Conditions
Bronchiolitis, Pneumonitis, Dyspnea
Interventions
Lung clearance index (LCI)
Other
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 8, 2021 · Synced Oct 4, 2026, 3:29 AM EDT
Active, not recruiting No phase listed Observational

Long Term Follow up of Children Enrolled in the REDvent Study

NCT03709199
View directory record Official record
Conditions
Respiratory Distress Syndrome, Adult, Ventilator-Induced Lung Injury, Neurocognitive Dysfunction, Quality of Life, Respiration Disorders
Interventions
Ventilation Inhomogeneity, Diaphragm Ultrasound, Respiratory Inductance Plethysmography, Spirometry, Functional Residual Capacity, MIP/MEP, 6 minute walk test, Neurocognitive Testing, Emotional Health Assessment, Health Related Quality of Life, Functional Status, Respiratory Status Questionnaire
Diagnostic Test
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
1 Month to 18 Years
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Oct 4, 2026, 3:29 AM EDT
Completed Phase 2 Interventional Results available

Study of the Effect of Ivacaftor on Lung Clearance Index in Subjects With Cystic Fibrosis and the G551D Mutation

NCT01262352
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ivacaftor, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
6 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
4
States / cities
Stanford, California • Iowa City, Iowa • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2013 · Synced Oct 4, 2026, 3:29 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Regional Phenotyping of CF and Non-CF Bronchiectasis

NCT04793867
View directory record Official record
Conditions
Cystic Fibrosis, Non-CF Bronchiectasis
Interventions
Xenon
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
5 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Oct 4, 2026, 3:29 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Longitudinal, Observational Study of Primary Ciliary Dyskinesia in Adults

NCT05685186
View directory record Official record
Conditions
Primary Ciliary Dyskinesia
Interventions
Spirometry, Multiple Breath Washout (MBW), Mucociliary Clearance (MCC), CT of the chest, MRI of the chest
Diagnostic Test
Lead sponsor
ReCode Therapeutics
Industry
Eligibility
18 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 4, 2026, 3:29 AM EDT
Completed No phase listed Observational

Airway Clearance Therapy on Hyperpolarized 129Xenon and MRI

NCT03593434
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
hyperpolarized Xenon gas
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 21 Years
Enrollment
20 participants
Timeline
2018 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 10, 2022 · Synced Oct 4, 2026, 3:29 AM EDT
Completed No phase listed Observational

Determinants of Early Cystic Fibrosis Lung Disease

NCT03579173
View directory record Official record
Conditions
Cystic Fibrosis in Children
Interventions
Infant PFT, Lung Clearance Index, Passive tidal breathing
Diagnostic Test
Lead sponsor
Indiana University
Other
Eligibility
1 Month to 5 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 22, 2022 · Synced Oct 4, 2026, 3:29 AM EDT
Active, not recruiting Phase 4 Interventional

Hyperpolarized Imaging for New Treatments

NCT04259970
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Initiation of CFTR Modulator
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 18 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
3
States / cities
Cincinnati, Ohio • Charlottesville, Virginia • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 4, 2026, 3:29 AM EDT
Not yet recruiting Not applicable Interventional

Rethinking Early Airway Clearence Therapies

NCT07696338
View directory record Official record
Conditions
Cystic Fibrosis (CF)
Interventions
As-needed hypertonic saline (HS), Twice daily hypertonic saline (HS), As-needed dornase alfa (DA), Daily dornase alfa (DA)
Other
Lead sponsor
Nicole Hamblett
Other
Eligibility
3 Years to 16 Years
Enrollment
405 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
36
States / cities
Birmingham, Alabama • Tucson, Arizona • Los Angeles, California + 32 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 4, 2026, 3:29 AM EDT
Terminated Early Phase 1 Interventional

19F MRI of Ventilation in Subjects With Cystic Fibrosis Undergoing Treatment for Pulmonary Exacerbation

NCT03497117
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Lung Clearance Index, MRI with PFP
Device · Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 9, 2020 · Synced Oct 4, 2026, 3:29 AM EDT
Not listed No phase listed Observational

Lung Clearance Index to Identify Scleroderma Patients at Risk for ILD

NCT04535245
View directory record Official record
Conditions
Scleroderma
Interventions
LCI testing
Diagnostic Test
Lead sponsor
National Jewish Health
Other
Eligibility
21 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 24, 2023 · Synced Oct 4, 2026, 3:29 AM EDT
Completed No phase listed Observational

Comparing Chest Images From MRI to CT in Patients With Cystic Fibrosis (CF)

NCT01860872
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
5 Years to 60 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 24, 2020 · Synced Oct 4, 2026, 3:29 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Utility of Lung Clearance Index Score as a Noninvasive Marker of Small Airways Disease

NCT03241420
View directory record Official record
Conditions
Chronic Lung Disease
Interventions
lung clearance index (LCI)
Device
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2030
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 4, 2026, 3:29 AM EDT