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Showing 1–24 of 235 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cough Clear all
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
2026 – 2028
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 5, 2026, 7:08 AM EDT
Completed No phase listed Observational

Is the Cough Stress Test Equivalent to the 24 Hour Pad Test in the Assessment of Stress Incontinence?

NCT01123096
View directory record Official record
Conditions
Stress Urinary Incontinence
Interventions
Cough Stress Test, 24 Hour Pad Test
Procedure · Other
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2013 · Synced Sep 5, 2026, 7:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vanderbilt Pertussis Exposure Study: PEP in Vaccinated Healthcare Workers Following Pertussis Exposure

NCT00469274
View directory record Official record
Conditions
Pertussis
Interventions
Antibiotic PEP
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 64 Years
Enrollment
1,102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 28, 2013 · Synced Sep 5, 2026, 7:08 AM EDT
Completed Phase 4 Interventional Results available

A Clinical Evidence Study Evaluating Quality of Life Parameters Following Treatment With Robitussin

NCT06716645
View directory record Official record
Conditions
Common Cold, Cough
Interventions
Robitussin Maximum Strength Cough and Chest Congestion DM, Robitussin Maximum Strength Nighttime Cough DM
Drug
Lead sponsor
HALEON
Industry
Eligibility
18 Years and older
Enrollment
244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Sep 5, 2026, 7:08 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 Sep 5, 2026, 7:08 AM EDT
Terminated Phase 2 Interventional Results available

Long-term Extension Study of the Safety and Pharmacokinetics of QCC374 in PAH Patients

NCT02939599
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
QCC374
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 4, 2021 · Synced Sep 5, 2026, 7:08 AM EDT
Terminated No phase listed Observational

CD8 Reactivity to Microorganisms in Blood and Breast Milk

NCT03084614
View directory record Official record
Conditions
Immune Modulation, Tuberculosis, Leprosy, Pertussis, Lyme Disease
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 13, 2019 · Synced Sep 5, 2026, 7:08 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Investigating Health Impacts of Exposure to Harmful Algal Blooms

NCT06883227
View directory record Official record
Conditions
Red Tide, Neurologic Disorder, Florida
Interventions
Not listed
Lead sponsor
Roskamp Institute Inc.
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
Sarasota, Florida
Source: ClinicalTrials.gov public record
Updated Mar 23, 2025 · Synced Sep 5, 2026, 7:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adapting Motivational Interviewing for Maternal Immunizations (MI4MI)

NCT04302675
View directory record Official record
Conditions
Maternal Immunization
Interventions
Prevention, Maternal Immunization
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
15 Years and older · Female only
Enrollment
1,350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 11, 2023 · Synced Sep 5, 2026, 7:08 AM EDT
Not listed Phase 4 Interventional

Laryngeal Nerve Block for Chronic Cough

NCT05292677
View directory record Official record
Conditions
Laryngeal Nerve Block, Chronic Neurogenic Cough, Laryngeal Hypersensitivity
Interventions
Steroid/Anesthesia Mixture, Placebo
Drug
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 22, 2022 · Synced Sep 5, 2026, 7:08 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

US-licensed Combined Vaccine Against Tetanus & Diphtheria, Given With US-licensed Vaccine Against Meningococcal Disease

NCT00282295
View directory record Official record
Conditions
Acellular Pertussis, Tetanus, Diphtheria
Interventions
Boostrix®, Menactra™
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
11 Years to 18 Years
Enrollment
1,344 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
24
States / cities
Chandler, Arizona • Little Rock, Arkansas • Fountain Valley, California + 18 more
Source: ClinicalTrials.gov public record
Updated Aug 16, 2018 · Synced Sep 5, 2026, 7:08 AM EDT
Completed Phase 2 Interventional Results available

Study of the Efficacy, Safety, and Tolerability of Serlopitant for the Treatment of Refractory Chronic Cough

NCT03282591
View directory record Official record
Conditions
Refractory Chronic Cough
Interventions
5 mg Serlopitant Tablets, Matching Placebo Tablets
Drug
Lead sponsor
Vyne Therapeutics Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
29
States / cities
Los Angeles, California • Mission Viejo, California • San Diego, California + 24 more
Source: ClinicalTrials.gov public record
Updated May 19, 2021 · Synced Sep 5, 2026, 7:08 AM EDT
Completed Phase 1 Interventional

Alleviation of Common Cold Symptoms

NCT06106880
View directory record Official record
Conditions
Common Cold, Pharyngitis, Fever, Congestion, Rhinorrhea, Cough, Sore-throat, Sore Throats Viral, Malaise, Headache, Runny Nose, Sneezing
Interventions
Wintergreen Throat Spray and Aspirin Tablet, Aspirin Throat Spray and Placebo Tablet, Wintergreen Throat Spray and Placebo Tablet, Placebo Throat Spray and Placebo Tablet
Drug · Dietary Supplement · Other
Lead sponsor
Applied Biological Laboratories Inc
Other
Eligibility
18 Years to 65 Years
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
6
States / cities
Irvine, California • Washington D.C., District of Columbia • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2024 · Synced Sep 5, 2026, 7:08 AM EDT
Completed No phase listed Observational

Dysphagia in Thoracic Surgical Patients

NCT04487028
View directory record Official record
Conditions
Thoracic Diseases
Interventions
Fiberoptic Endoscopic Evaluation of Swallowing
Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 23, 2021 · Synced Sep 5, 2026, 7:08 AM EDT
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 Sep 5, 2026, 7:08 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Usefulness and Feasibility of Ultrasound in Office Laryngology Procedures

NCT06579989
View directory record Official record
Conditions
Cough, Vocal Cord Atrophy, Vocal Cord Paresis, Vocal Cord Paralysis, Dysphagia, Dysphonia
Interventions
Ultrasound for cough, Ultrasound for vocal fold atrophy or vocal fold paresis/paralysis, Ultrasound for dysphagia, Ultrasound for dysphonia
Diagnostic Test
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 99 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 5, 2026, 7:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study on the Safety and Immunogenicity of Boostrix Vaccine in Pregnant Malian Women and Their Infants

NCT03589768
View directory record Official record
Conditions
Clostridium Difficile Immunisation, Diphtheria, Diphtheria Immunisation, Pertussis, Tetanus, Tetanus Immunisation
Interventions
Tetanus and Diphtheria Toxoids Adsorbed, Tetanus toxoid, reduced diphtheria toxoid and acellular pertussis vaccine adsorbed onto aluminum hydroxide
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 39 Years · Female only
Enrollment
399 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Sep 5, 2026, 7:08 AM EDT
Terminated Not applicable Interventional Results available

HFNC Effect on BCSS in Patients With COPD

NCT02825043
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
High-Flow Nasal Cannula
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
35 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 28, 2020 · Synced Sep 5, 2026, 7:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Cough According to Stimulus Type in PD

NCT02390089
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Capsaicin vapor, fog, Videofluoroscopic swallow evaluation, Nebulizer
Drug · Other · Radiation + 1 more
Lead sponsor
University of Florida
Other
Eligibility
50 Years to 80 Years
Enrollment
158 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 14, 2019 · Synced Sep 5, 2026, 7:08 AM EDT
Completed No phase listed Observational

Capsaicin Cough Threshold in Chronic Cough Due to Postnasal Drip

NCT00588627
View directory record Official record
Conditions
Post Nasal Drip
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 9, 2010 · Synced Sep 5, 2026, 7:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Descriptive, Post-marketing, Passive Surveillance Safety Study of ADACEL™ Vaccine

NCT00258882
View directory record Official record
Conditions
Pertussis
Interventions
Tetanus Toxoid, acellular pertussis, diphtheria toxoid
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
Not listed
Enrollment
327,293 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
3
States / cities
Oakland, California • Aurora, Colorado • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Sep 5, 2026, 7:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Database Surveillance Safety Study of PENTACEL® Vaccine

NCT00804284
View directory record Official record
Conditions
Diphtheria, Tetanus, Pertussis, Haemophilus Influenzae
Interventions
DTaP-IPV/Hib, Other DTap Vaccines
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Weeks to 24 Months · Male only
Enrollment
62,538 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Aug 18, 2015 · Synced Sep 5, 2026, 7:08 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Trial to Evaluate the Safety and Immunogenicity of ADACEL® Vaccine in Persons 65 Years of Age and Older

NCT00457249
View directory record Official record
Conditions
Pertussis, Tetanus, Diphtheria
Interventions
ADACEL®: Tetanus, Reduced Diphtheria and Acellular Pertussis Adsorbed, DECAVAC®: Tetanus and Diphtheria Toxoids Adsorbed
Biological
Lead sponsor
Sanofi
Industry
Eligibility
65 Years and older
Enrollment
1,564 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
19
States / cities
Chandler, Arizona • Phoenix, Arizona • Cypress, California + 15 more
Source: ClinicalTrials.gov public record
Updated Oct 18, 2012 · Synced Sep 5, 2026, 7:08 AM EDT
Terminated Phase 2 Interventional Results available

Safety, Pharmacokinetics and Efficacy Study of QCC374 in PAH Patients

NCT02927366
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
QCC374, Placebo Matching
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 4, 2021 · Synced Sep 5, 2026, 7:08 AM EDT