Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jun 27, 2026, 3:55 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Coughing Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Screening for Barrett's Esophagus in Otolaryngology Patients

NCT00695227
View directory record Official record
Conditions
Extraesophageal Symptoms, Cough, Throat Clearing, Hoarseness, Difficulty Swallowing
Interventions
Screening for Barrett's Esophagus
Diagnostic Test
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 90 Years
Enrollment
295 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2011
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 5, 2018 · Synced Jun 27, 2026, 3:55 AM EDT
Completed Not applicable Interventional

Pediatric Emergency Department Decision Support System to Reduce Secondhand Smoke

NCT02489708
View directory record Official record
Conditions
Asthma, Smoking Cessation
Interventions
Cessation Counseling
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
1 Day and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 8, 2021 · Synced Jun 27, 2026, 3:55 AM EDT
Completed Not applicable Interventional

Pneumococcal Vaccine and Routine Pediatric Immunizations in HIV-Infected Children Receiving Anti-HIV Drugs

NCT00013871
View directory record Official record
Conditions
HIV Infections, Hepatitis B, Measles, Pneumococcal Infections, Pertussis
Interventions
Diphtheria & Tetanus Toxoids & Acellular Pertussis Vaccine Adsorbed, Measles-Mumps-Rubella Vaccine (Live), Pneumococcal Vaccine, Polyvalent (23-valent), Pneumococcal Conjugate Vaccine, Heptavalent, Hepatitis B Vaccine (Recombinant)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 18 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2004
U.S. locations
38
States / cities
Birmingham, Alabama • Long Beach, California • Los Angeles, California + 26 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Jun 27, 2026, 3:55 AM EDT
Recruiting Not applicable Interventional

Cough Management Wellness App for Refractory or Unexplained Chronic Cough

NCT07070895
View directory record Official record
Conditions
Refractory Chronic Cough, Unexplained Chronic Cough, Cough Hypersensitivity
Interventions
Cough Management, CoughMonitor Suite
Behavioral · Device
Lead sponsor
Hyfe Inc
Other
Eligibility
21 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Jun 27, 2026, 3:55 AM EDT
Recruiting Not applicable Interventional

Combined Respiratory Training in Persons With ALS

NCT05913882
View directory record Official record
Conditions
ALS, Respiratory Insufficiency, Dysphagia
Interventions
Respiratory Muscle Strength Training (LVR+EMST)
Device
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 90 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Jun 27, 2026, 3:55 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of the Effect of Pneumococcal Conjugate Vaccine (PCV) on Immunogenicity of Pentacel™

NCT00772928
View directory record Official record
Conditions
Diphtheria, Tetanus, Haemophilus Infection, Pertussis, Polio
Interventions
Pentacel™: HCPDT-IPV//PRP-T Vaccine and Prevnar®
Biological
Lead sponsor
Sanofi
Industry
Eligibility
42 Days to 89 Days
Enrollment
1,167 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
23
States / cities
Montgomery, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 19 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2012 · Synced Jun 27, 2026, 3:55 AM EDT
Completed Not applicable Interventional Results available

Sham CPAP vs. Straight CPAP for Chronic Cough

NCT03172130
View directory record Official record
Conditions
Chronic Cough, OSA
Interventions
Straight CPAP, Sham CPAP
Device
Lead sponsor
Krishna M. Sundar
Other
Eligibility
18 Years to 80 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 17, 2020 · Synced Jun 27, 2026, 3:55 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity in Adults of Revaccination With Adacel® Vaccine 10 Years After a Previous Dose

NCT01439165
View directory record Official record
Conditions
Tetanus, Diphtheria, Pertussis, Whooping Cough
Interventions
Tetanus Toxoid, Diphtheria Toxoid and Pertussis Vaccine, Tetanus and Diphtheria Toxoids Adsorbed For Adult Use
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years to 64 Years
Enrollment
1,330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
31
States / cities
Huntsville, Alabama • Jonesboro, Arkansas • Little Rock, Arkansas + 28 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2022 · Synced Jun 27, 2026, 3:55 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 Jun 27, 2026, 3:55 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Improving Diagnostic Standards in Dysphagia

NCT04773184
View directory record Official record
Conditions
Dysphagia
Interventions
Fiberoptic Endoscopic Evaluation of Swallowing, Videofluoroscopic Swallowing Study, Voluntary Peak Cough Flow Testing, Iowa Oral Performance Instrument, Capsaicin Challenge, Pulmonary Function Testing, Voicing Tasks
Procedure · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 16, 2024 · Synced Jun 27, 2026, 3:55 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Cough Sound Recordings to Understand COVID-19-like Symptom Progression to Understand COVID-19-like Symptom Progression

NCT04989452
View directory record Official record
Conditions
Covid19
Interventions
Recordings of cough sounds from adults
Diagnostic Test
Lead sponsor
ResApp Health Limited
Industry
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 28, 2023 · Synced Jun 27, 2026, 3:55 AM EDT
Completed No phase listed Observational

5-Year Objective and Subjective Results of a Mid-Urethral Sling

NCT01657916
View directory record Official record
Conditions
Stress Urinary Incontinence
Interventions
Not listed
Lead sponsor
Atlantic Health System
Other
Eligibility
18 Years and older · Female only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Morristown, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 8, 2017 · Synced Jun 27, 2026, 3:55 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 Jun 27, 2026, 3:55 AM EDT
Completed Phase 1 Interventional

Cough Desensitization Therapy: Pilot 2

NCT05226299
View directory record Official record
Conditions
Cough
Interventions
Supra-threshold and progressive doses of diluted capsaicin via a dosimeter-controlled nebulizer, Saline
Biological
Lead sponsor
University of Montana
Other
Eligibility
18 Years to 99 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Missoula, Montana
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Jun 27, 2026, 3:55 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 Jun 27, 2026, 3:55 AM EDT
Active, not recruiting Not applicable Interventional

Mechanical Insufflation in the Philadelphia Amyotrophic Lateral Sclerosis Cohort (MI-PALS) Study

NCT06119087
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis, Chronic Respiratory Failure, Airway Clearance Impairment, Neuromuscular Diseases
Interventions
Mechanical insufflation
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Jun 27, 2026, 3:55 AM 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 Jun 27, 2026, 3:55 AM EDT
Completed Not applicable Interventional Results available

The Use of Airway Clearance Devices in ALS

NCT02682030
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
High Frequency Chest Compression Device (HFCC), Cough Assist
Device
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 24, 2020 · Synced Jun 27, 2026, 3:55 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Benzonatate Dose Tolerance Study

NCT01690975
View directory record Official record
Conditions
Cough
Interventions
Placebo, Benzonatate - 400 mg, Benzonatate - 600 mg
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 23, 2012 · Synced Jun 27, 2026, 3:55 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Tdap Vaccination for Infant Caregivers

NCT01233401
View directory record Official record
Conditions
Pertussis, Vaccination
Interventions
Survey
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 64 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 27, 2011 · Synced Jun 27, 2026, 3:55 AM EDT
Completed Not applicable Interventional Results available

A Comparison of Desflurane vs. Sevoflurane and the Time to Awakening and the Incidence and Severity of Cough

NCT01202162
View directory record Official record
Conditions
Surgery, Anesthesia
Interventions
Desflurane, Administration of Sevoflurane
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 65 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 24, 2013 · Synced Jun 27, 2026, 3:55 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study on the Safety of BAY1817080 How it is Tolerated and the Way the Body Absorbs, Distributes and Gets Rid of the Study Drug Given to Participants With Moderate Renal Impairment and End Stage Renal Disease Requiring Dialysis Compared With Matched Participants With Normal Renal Function

NCT04471337
View directory record Official record
Conditions
Endometriosis Related Pain, Overactive Bladder, Diabetic Neuropathic Pain, Refractory or Unexplained Chronic Cough
Interventions
BAY1817080
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 79 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Miami, Florida • Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Mar 25, 2024 · Synced Jun 27, 2026, 3:55 AM EDT
Completed Early Phase 1 Interventional Results available

Cough Desensitization Therapy for Cough Hypersensitivity Syndrome

NCT04256733
View directory record Official record
Conditions
Cough
Interventions
Supra-threshold and progressive doses of diluted capsaicin via a Koko Digidoser nebulizer, Sub-threshold doses of diluted capsiacin via a KoKo Digidoser nebulizer
Biological
Lead sponsor
University of Montana
Other
Eligibility
18 Years to 99 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Missoula, Montana
Source: ClinicalTrials.gov public record
Updated Mar 3, 2024 · Synced Jun 27, 2026, 3:55 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 Jun 27, 2026, 3:55 AM EDT