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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Cough Clear all
Completed Phase 1Phase 2 Interventional Results available

Cough and Swallow Rehab Following Stroke

NCT01907321
View directory record Official record
Conditions
Ischemic Stroke
Interventions
Expiratory muscle strength training, Placebo expiratory training, Measures performed on all subjects, Pulmonary function test, Fluoroscopic swallow study
Behavioral · Drug · Radiation
Lead sponsor
University of Florida
Other
Eligibility
50 Years to 85 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 26, 2017 · Synced Jul 21, 2026, 6:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of Camlipixant in Male and Female Healthy Participants and Participants With Hepatic Impairment Aged 18-75 Years of Age

NCT06222892
View directory record Official record
Conditions
Cough
Interventions
Camlipixant
Drug
Lead sponsor
Bellus Health Inc. - a GSK company
Industry
Eligibility
18 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
3
States / cities
Miami, Florida • Orlando, Florida • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Jul 21, 2026, 6:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effectiveness of a Vaccination Program in the Community Ob/Gyn Setting

NCT00828555
View directory record Official record
Conditions
Influenza Vaccine, Papillomavirus Infection, Pertussis
Interventions
Vaccination Program
Other
Lead sponsor
Duke University
Other
Eligibility
12 Years to 26 Years · Female only
Enrollment
3,988 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
4
States / cities
Burlington, North Carolina • Durham, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 15, 2012 · Synced Jul 21, 2026, 6:50 AM EDT
Terminated No phase listed Observational

Chest Ultrasound of ER Patients With Cough or SOB

NCT02269761
View directory record Official record
Conditions
Cough, Dyspnea, Wheezing
Interventions
Nuvis Diagnostic Ultrasound System
Device
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Jul 21, 2026, 6:50 AM EDT
Completed Phase 4 Interventional Results available

Safety and Immunogenicity of Simultaneous Tdap and IIV in Pregnant Women

NCT02783170
View directory record Official record
Conditions
Pregnancy
Interventions
Tetanus, Diphtheria, and Pertussis Vaccine, 2016-2017 Quadrivalent Inactivated Influenza Vaccine, 2017-2018 Quadrivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
3
States / cities
Atlanta, Georgia • Durham, North Carolina • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced Jul 21, 2026, 6:50 AM EDT
Completed No phase listed Observational

Prospective Validation of Cough, Dyspnea, and Quality of Life Questionnaires in Patients With IPF

NCT01874223
View directory record Official record
Conditions
Interstitial Lung Disease, Idiopathic Pulmonary Fibrosis
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 28, 2022 · Synced Jul 21, 2026, 6:50 AM EDT
Not listed No phase listed Observational

Clinical Validation of the Hyfe Cough Monitoring System

NCT05723159
View directory record Official record
Conditions
Cough
Interventions
Clinical Validation of the Hyfe Cough Monitoring System
Device
Lead sponsor
Hyfe Inc
Other
Eligibility
21 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
2
States / cities
Oregon City, Oregon • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 27, 2023 · Synced Jul 21, 2026, 6:50 AM EDT
Completed Early Phase 1 Interventional Results available

The Effects of Tiotropium on the Cough Reflex in Patients With Chronic Obstructive Pulmonary Disease (COPD)

NCT00870896
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Chronic Bronchitis
Interventions
Tiotropium
Drug
Lead sponsor
ThomasTruncale
Other
Eligibility
40 Years to 80 Years · Male only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
2
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 30, 2014 · Synced Jul 21, 2026, 6:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cough Sensitivity and Taste Preferences

NCT01399060
View directory record Official record
Conditions
Smoking
Interventions
Not listed
Lead sponsor
Monell Chemical Senses Center
Other
Eligibility
10 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 23, 2013 · Synced Jul 21, 2026, 6:50 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Intranasal BPZE1 Vaccination in Healthy Adults

NCT03541499
View directory record Official record
Conditions
Pertussis, Pertussis Immunisation
Interventions
BPZE1, Placebo
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 21, 2026, 6:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Audio Data Collection for Identification and Classification of Coughing

NCT04326309
View directory record Official record
Conditions
COVID-19, Coronavirus Infections, Hay Fever, Asthma, Chronic Obstructive Pulmonary Disease, Influenza, Common Cold, Respiratory Tract Infections, Healthy
Interventions
Not listed
Lead sponsor
HealthMode Inc.
Industry
Eligibility
18 Years and older
Enrollment
336 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 28, 2022 · Synced Jul 21, 2026, 6:50 AM EDT
Completed Not applicable Interventional

C-reactive Protein (CRP)-Guided Management Algorithm for Adults With Acute Cough

NCT00221351
View directory record Official record
Conditions
Cough
Interventions
CRP point of care testing
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
2
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated May 22, 2011 · Synced Jul 21, 2026, 6:50 AM EDT
Completed Not applicable Interventional

Validation Study With a Non-CE Marked Medical Device (MD)

NCT05689307
View directory record Official record
Conditions
Chronic Cough
Interventions
SIVA-MVP
Device
Lead sponsor
Siva Health AG
Industry
Eligibility
21 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Bellingham, Washington
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Jul 21, 2026, 6:50 AM EDT
Recruiting Phase 1 Interventional

Dose-Escalation Study of Artesunate Patients With IPF

NCT05988463
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
Artesuante, Placebo capsules
Drug · Other
Lead sponsor
Joseph C. Wu
Other
Eligibility
40 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Jul 21, 2026, 6:50 AM EDT
Completed Phase 3 Interventional

Phase 3 Efficacy and Safety Study of Favipiravir for Treatment of Uncomplicated Influenza in Adults

NCT02008344
View directory record Official record
Conditions
Influenza
Interventions
favipiravir, placebo
Drug
Lead sponsor
MDVI, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
147
States / cities
Birmingham, Alabama • Huntsville, Alabama • Camp Verde, Arizona + 123 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2015 · Synced Jul 21, 2026, 6:50 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immunogenicity of Adacel® and BOOSTRIX® Vaccines in Adolescents

NCT01629589
View directory record Official record
Conditions
Tetanus, Diphtheria, Pertussis, Whooping Cough
Interventions
Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Vaccine Adsorbed (Adacel®), Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Vaccine, Adsorbed (BOOSTRIX®)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
11 Years to 12 Years
Enrollment
423 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
8
States / cities
Sacramento, California • Bardstown, Kentucky • Woburn, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2016 · Synced Jul 21, 2026, 6:50 AM EDT
Completed No phase listed Observational

Cross-sectional Characterization of Idiopathic Bronchiectasis

NCT01264055
View directory record Official record
Conditions
Infection, Bronchial Diseases, Respiratory Tract Diseases
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 100 Years
Enrollment
275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
5
States / cities
Stanford, California • Denver, Colorado • Bethesda, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 21, 2026, 6:50 AM EDT
Recruiting No phase listed Observational

Office-Based Superior Laryngeal Nerve Block for Treatment of Neurogenic Cough

NCT04642352
View directory record Official record
Conditions
Cough
Interventions
superior laryngeal nerve block
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Jul 21, 2026, 6:50 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Gefapixant (MK-7264) in Adult Participants With Recent Onset Chronic Cough (MK-7264-043)

NCT04193202
View directory record Official record
Conditions
Chronic Cough
Interventions
Gefapixant, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
419 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
15
States / cities
Phoenix, Arizona • Paramount, California • Springfield, Illinois + 12 more
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Jul 21, 2026, 6:50 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Post-licensure, Modified Double-blind, Multi-center Study Evaluating Safety and Immunogenicity of ADACEL® and BOOSTRIX®

NCT00319553
View directory record Official record
Conditions
Pertussis, Tetanus, Diphtheria
Interventions
ADACEL®:Tetanus, Reduced Diphtheria and Acellular Pertussis Adsorbed, BOOSTRIX®: Tetanus, Reduced Diphtheria and Acellular Pertussis Adsorbed
Biological
Lead sponsor
Sanofi
Industry
Eligibility
11 Years to 18 Years
Enrollment
647 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
10
States / cities
Annapolis, Maryland • Baltimore, Maryland • Frederick, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 4, 2012 · Synced Jul 21, 2026, 6:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Ipratropium on Acute Bronchitis in Subjects Without Underlying Lung Disease

NCT00371527
View directory record Official record
Conditions
Bronchitis
Interventions
ipratropium
Drug
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Oct 16, 2008 · Synced Jul 21, 2026, 6:50 AM EDT
Completed Phase 3 Interventional

Study In Subjects With COPD (Chronic Obstructive Pulmonary Disease)

NCT00103922
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
cilomilast
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
115
States / cities
Birmingham, Alabama • Jasper, Alabama • Phoenix, Arizona + 103 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2016 · Synced Jul 21, 2026, 6:50 AM EDT
Active, not recruiting Phase 2 Interventional

Study to Assess the Efficacy, Safety, and Tolerability of NOC-110 in Adults With Refractory or Unexplained Chronic Cough

NCT06504446
View directory record Official record
Conditions
Refractory or Unexplained Chronic Cough
Interventions
NOC-110, Placebo
Drug · Other
Lead sponsor
Nocion Therapeutics
Industry
Eligibility
18 Years to 80 Years
Enrollment
455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
68
States / cities
Foley, Alabama • Scottsdale, Arizona • Tempe, Arizona + 60 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Jul 21, 2026, 6:50 AM EDT
Not listed No phase listed Observational

Describing Chinese Herbal Medicine Telehealth Care for Symptoms Related to Infectious Diseases Such as COVID-19

NCT04380870
View directory record Official record
Conditions
Coronavirus Infection
Interventions
Chinese Herbal Medicine
Dietary Supplement
Lead sponsor
Center for Integrated Care
Other
Eligibility
18 Years to 114 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Jul 21, 2026, 6:50 AM EDT