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Showing 1–22 of 22 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: High Frequency Oscillation Clear all
Completed Phase 4 Interventional Results available

Comparison of Airway Clearance Therapy in Cystic Fibrosis Using the Same VEST Therapy Device But With Different Settings

NCT00685035
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
HFCWC with higher pressure/variable-frequency settings, HFCWC with lower pressure/mid-frequency settings
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 24, 2016 · Synced Jul 23, 2026, 10:06 AM EDT
Completed Not applicable Interventional

Comparison of Airway Clearance Efficacy of Two High Frequency Chest Wall Oscillation (HFCWO) Devices in Cystic Fibrosis

NCT00308958
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
High frequency chest wall oscillator
Device
Lead sponsor
University of Minnesota
Other
Eligibility
19 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 29, 2013 · Synced Jul 23, 2026, 10:06 AM EDT
Terminated Not applicable Interventional

A Pilot Study to Evaluate the Use of the Vest® System for Treatment of Bronchiectasis Patients in the Home Setting

NCT04017312
View directory record Official record
Conditions
Bronchiectasis, Bronchiectasis With Acute Exacerbation
Interventions
High Frequency Chest Wall Oscillation, Oscillating Positive Expiratory Pressure (OPEP)
Device
Lead sponsor
Hill-Rom
Industry
Eligibility
18 Years to 80 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
3
States / cities
New York, New York • Nashville, Tennessee • Tyler, Texas
Source: ClinicalTrials.gov public record
Updated Aug 20, 2024 · Synced Jul 23, 2026, 10:06 AM EDT
Completed Phase 4 Interventional Results available

Airway Clearance for Prevention of Chronic Obstructive Pulmonary Disease (COPD) Exacerbation

NCT00181207
View directory record Official record
Conditions
COPD, Chronic Bronchitis, Emphysema
Interventions
pneumatic vest, placebo pneumatic vest
Device · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
45 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 18, 2018 · Synced Jul 23, 2026, 10:06 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Detecting Lung Infections Through Vibration

NCT02056860
View directory record Official record
Conditions
Lung Infection
Interventions
Group 1 will receive 15 Hz, Group 2 will receive 30 Hz, Group 3 will receive 60 Hz, Group 4 will receive 100 Hz, Phase II Optimal Frequency
Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 50 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 15, 2016 · Synced Jul 23, 2026, 10:06 AM EDT
Terminated Not applicable Interventional Results available

The Use of High Frequency Oscillations With NIV in Hypercapnic COPD Participants

NCT02680639
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
BiPAP Synchrony ventilator
Device
Lead sponsor
Philips Respironics
Industry
Eligibility
21 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 5, 2019 · Synced Jul 23, 2026, 10:06 AM EDT
Terminated Phase 3 Interventional

The Oscillation for Acute Respiratory Distress Syndrome (ARDS) Treated Early (OSCILLATE) Trial

NCT01506401
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome (ARDS)
Interventions
SensorMedics 3100B High Frequency Oscillatory Ventilator, Lung Protective Ventilation
Device · Procedure
Lead sponsor
Canadian Critical Care Trials Group
Other
Eligibility
16 Years to 85 Years
Enrollment
548 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
8
States / cities
Denver, Colorado • Orlando, Florida • Ann Arbor, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2015 · Synced Jul 23, 2026, 10:06 AM EDT
Completed Not applicable Interventional Results available

ALS and Airway Clearance (ALSAC) Therapy

NCT04947436
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis, Respiratory Muscle Weakness
Interventions
High Frequency Chest Wall Oscillation, Mechanical insufflation/exsufflation
Device
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
21 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Jul 23, 2026, 10:06 AM EDT
Not yet recruiting Not applicable Interventional

Acute Stimulation and Modulation of Stereotyped High-Frequency Oscillations

NCT06898138
View directory record Official record
Conditions
Epilepsy
Interventions
Brain Interchange System
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
3 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
2
States / cities
Rochester, Minnesota • Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Jul 23, 2026, 10:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of High Frequency Chest Wall Oscillation Vests on Spirometry Measurements

NCT03534986
View directory record Official record
Conditions
Cystic Fibrosis, Bronchiectasis
Interventions
International Biophysics AffloVest, Hill-Rom The Vest, Respirtech inCourage, Electromed SmartVest
Device
Lead sponsor
International Biophysics Corporation
Industry
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Kissimmee, Florida
Source: ClinicalTrials.gov public record
Updated Oct 2, 2018 · Synced Jul 23, 2026, 10:06 AM EDT
Completed No phase listed Observational

Clinical Effectiveness Of High Frequency Chest Wall Oscillation (HFCWO) In A Bronchiectasis Population

NCT04271969
View directory record Official record
Conditions
Bronchiectasis
Interventions
SmartVest Airway Clearance System
Device
Lead sponsor
Electromed, Inc.
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
4
States / cities
Birmingham, Alabama • Atlanta, Georgia • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 6, 2023 · Synced Jul 23, 2026, 10:06 AM EDT
Terminated Not applicable Interventional

Study of AffloVest in At-Risk Respiratory Patients During COVID-19 Pandemic

NCT04654481
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Chronic Cough, Covid19
Interventions
HCFWO, Standard Care Plus Monitoring
Device · Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Jul 23, 2026, 10:06 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Clinical Applications of High-Frequency Oscillations

NCT00600717
View directory record Official record
Conditions
Epilepsy, Migraine, Headache, Pain, Autism, Cerebral Palsy, Brain Development, Traumatic Brain Injury, ADHD - Attention Deficit Disorder With Hyperactivity, Mental Health
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
1 Day to 69 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2027
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Jul 23, 2026, 10:06 AM EDT
Completed Not applicable Interventional Results available

Study Assessing High-Frequency Chest Wall Oscillation (HFCWO) in Preventing Pulmonary Exacerbations

NCT00739310
View directory record Official record
Conditions
Cerebral Palsy
Interventions
Vest Treatment (high frequency chest wall oscillation)
Device
Lead sponsor
Hill-Rom
Industry
Eligibility
18 Months to 18 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Aug 6, 2017 · Synced Jul 23, 2026, 10:06 AM EDT
Completed Phase 1 Interventional

High Frequency Oscillations in Neurologic Disease

NCT02235792
View directory record Official record
Conditions
Parkinson, Epilepsy
Interventions
Activa PC+S
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 14, 2022 · Synced Jul 23, 2026, 10:06 AM EDT
Terminated Not applicable Interventional

Safety Study to Evaluate Intracranial Pressure During High Frequency Chest Wall Oscillation

NCT00279097
View directory record Official record
Conditions
Intracranial Pressure
Interventions
High Frequency Chest Wall Oscillation
Device
Lead sponsor
Hill-Rom
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 15, 2006 · Synced Jul 23, 2026, 10:06 AM EDT
Active, not recruiting Not applicable Interventional

Acute Recording of Stereotyped High-Frequency Oscillations

NCT05439655
View directory record Official record
Conditions
Epilepsy
Interventions
Brain Interchange System
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
3 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
2
States / cities
Rochester, Minnesota • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Jul 23, 2026, 10:06 AM EDT
Not yet recruiting Phase 1Phase 2 Interventional

Epileptic Hippocampus in Alzheimer's Disease

NCT05899764
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment
Interventions
Brivaracetam
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
45 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Jul 23, 2026, 10:06 AM EDT
Completed Not applicable Interventional Results available

High Frequency Oscillation in Pediatric Epilepsy Surgery

NCT03790280
View directory record Official record
Conditions
Pediatric Epilepsy, Epilepsy Surgery, High Frequency Oscillation
Interventions
HFO analysis
Diagnostic Test
Lead sponsor
University of California, Los Angeles
Other
Eligibility
0 Years to 21 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Jul 23, 2026, 10:06 AM EDT
Completed Not applicable Interventional Results available

Evaluation of High-Frequency Chest Wall Oscillation

NCT00717873
View directory record Official record
Conditions
Airway Secretion Clearance
Interventions
Airway clearance Device
Device
Lead sponsor
Hill-Rom
Industry
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 6, 2017 · Synced Jul 23, 2026, 10:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of HFCWO Vests on Spirometry Measurements

NCT03628456
View directory record Official record
Conditions
Cystic Fibrosis, Bronchiectasis
Interventions
International Biophysics AffloVest, Hill-Rom Monarch
Device
Lead sponsor
International Biophysics Corporation
Industry
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Kissimmee, Florida
Source: ClinicalTrials.gov public record
Updated Nov 21, 2019 · Synced Jul 23, 2026, 10:06 AM EDT
Completed Not applicable Interventional Results available

HFCWO in Hospitalized Asthmatic Children

NCT00722020
View directory record Official record
Conditions
Bronchial Asthma, Asthma, Status Asthmaticus
Interventions
VEST
Device
Lead sponsor
Hill-Rom
Industry
Eligibility
18 Months to 18 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
2
States / cities
Long Island City, New York
Source: ClinicalTrials.gov public record
Updated Aug 6, 2017 · Synced Jul 23, 2026, 10:06 AM EDT