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Showing 1–13 of 13 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Unexplained Chronic Cough Clear all
Completed Phase 2 Interventional Results available

A Study To Evaluate The Efficacy, Safety, Pharmacokinetics, And Pharmacodynamic Effects Of GDC-6599 In Patients With Chronic Cough

NCT05660850
View directory record Official record
Conditions
Chronic Refractory Cough (CRC) With Non-atopic Asthma, CRC With Atopic Asthma, Unexplained Chronic Cough, CRC With Chronic Obstructive Pulmonary Disease, CRC With Chronic Obstructive Pulmonary Disease With Chronic Bronchitis
Interventions
GDC-6599, GDC-6599-matching placebo, Mannitol
Drug · Other · Diagnostic Test
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
8
States / cities
Los Angeles, California • Northridge, California • Coral Gables, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Jun 27, 2026, 2:25 AM EDT
Completed Phase 2 Interventional Results available

A Clinical Trial to Evaluate the Safety and Efficacy in Subjects With Chronic Cough

NCT05392192
View directory record Official record
Conditions
Chronic Cough
Interventions
ADX-629, Placebo
Drug
Lead sponsor
Aldeyra Therapeutics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
14
States / cities
San Diego, California • San Jose, California • Hollywood, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Jun 27, 2026, 2:25 AM EDT
Recruiting Early Phase 1 Interventional

Efficacy of Intramuscular Steroid Injection for Chronic Cough.

NCT06634823
View directory record Official record
Conditions
Chronic Cough (CC), Laryngeal Disease, Coughing
Interventions
Triamcinolone Acetonide Injectable Suspension, Saline injection
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced Jun 27, 2026, 2:25 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, 2:25 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, 2:25 AM EDT
Not yet recruiting Phase 2 Interventional

Mechanisms of Change in Behavioral Cough Suppression Therapy for Refractory Chronic Cough

NCT06960759
View directory record Official record
Conditions
Chronic Cough (CC), Refractory Chronic Cough, Unexplained Chronic Cough
Interventions
BCS+inactive, BCS+active
Behavioral · Combination Product
Lead sponsor
University of Montana
Other
Eligibility
18 Years to 99 Years
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
3
States / cities
Aurora, Colorado • Atlanta, Georgia • Missoula, Montana
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Jun 27, 2026, 2:25 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 Jun 27, 2026, 2:25 AM EDT
Terminated Phase 2 Interventional Results available

A Dose Escalation Study of BLU-5937 in Unexplained or Refractory Chronic Cough

NCT03979638
View directory record Official record
Conditions
Chronic Refractory Cough
Interventions
BLU-5937, Placebo
Drug
Lead sponsor
Bellus Health Inc. - a GSK company
Industry
Eligibility
18 Years to 80 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
8
States / cities
San Diego, California • San Jose, California • Largo, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2021 · Synced Jun 27, 2026, 2:25 AM EDT
Completed Phase 1 Interventional

Study on the Safety of BAY1817080, How it is Tolerated and the Way the Body Absorbs, Distributes and Gets Rid of the Study Drug in Participants With Impaired Liver Function or Normal Liver Function

NCT04454424
View directory record Official record
Conditions
Endometriosis Related Pain, Overactive Bladder, Diabetic Neuropathic Pain, Refractory or Unexplained Chronic Cough
Interventions
BAY1817080, Midazolam
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 79 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Miami, Florida • Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced Jun 27, 2026, 2:25 AM EDT
Active, not recruiting Phase 3 Interventional

A 24-Week Study of the Efficacy and Safety of BLU-5937 in Adults With Refractory Chronic Cough

NCT05600777
View directory record Official record
Conditions
Cough, Refractory Chronic Cough
Interventions
BLU-5937, Placebo
Drug
Lead sponsor
Bellus Health Inc. - a GSK company
Industry
Eligibility
18 Years to 80 Years
Enrollment
975 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
56
States / cities
Foley, Alabama • Litchfield Park, Arizona • Phoenix, Arizona + 49 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Jun 27, 2026, 2:25 AM EDT
Active, not recruiting Phase 3 Interventional

A 52-Week Study of the Efficacy and Safety of BLU-5937 in Adults With Refractory Chronic Cough

NCT05599191
View directory record Official record
Conditions
Cough, Refractory Chronic Cough
Interventions
BLU-5937, Placebo
Drug
Lead sponsor
Bellus Health Inc. - a GSK company
Industry
Eligibility
18 Years to 80 Years
Enrollment
825 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
65
States / cities
Litchfield Park, Arizona • Scottsdale, Arizona • Encinitas, California + 57 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2025 · Synced Jun 27, 2026, 2:25 AM EDT
Recruiting Not applicable Interventional

Stimulation of the Larynx to Treat Unexplained Chronic Cough

NCT05273190
View directory record Official record
Conditions
Cough
Interventions
Vibrotactile Stimulation
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 88 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Jun 27, 2026, 2:25 AM EDT
Completed Phase 2 Interventional Results available

Clinical Study to Evaluate the Efficacy and Safety of Three Different Doses of BAY1817080 Compared to Placebo in Patients With Chronic Cough

NCT04562155
View directory record Official record
Conditions
Refractory and/or Unexplained Chronic Cough
Interventions
BAY1817080, Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
8
States / cities
Los Angeles, California • Largo, Florida • White Marsh, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2022 · Synced Jun 27, 2026, 2:25 AM EDT