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Cough clinical trials recruiting in the U.S.
11 studies for Cough are recruiting participants at sites across the United States.
Coughing helps your body heal or protect itself. There are two types of coughs: acute and chronic. Learn the causes of chronic cough.
By state
Recently updated studies
Respiratory Strength Training in Heart Transplant Recipients
Recruiting
Ages 18 to 90 ยท All sexes ยท Updated Sep 21, 2026 ยท NCT06190171Dose-Escalation Study of Artesunate Patients With IPF
RecruitingPhase 1
Ages 40 and older ยท All sexes ยท Updated Aug 11, 2026 ยท NCT05988463Efficacy of Intramuscular Steroid Injection for Chronic Cough.
RecruitingEarly phase 1
Ages 18 and older ยท All sexes ยท Updated Jul 22, 2026 ยท NCT06634823Stimulation of the Larynx to Treat Unexplained Chronic Cough
Recruiting
Ages 18 to 88 ยท All sexes ยท Updated Jun 15, 2026 ยท NCT05273190Office-Based Superior Laryngeal Nerve Block for Treatment of Neurogenic Cough
RecruitingObservational study
Ages 18 and older ยท All sexes ยท Updated May 8, 2026 ยท NCT04642352Efficacy of Two Doses of Duloxetine & Amitriptyline in Interstitial Lung Disease-related Cough
RecruitingPhase 2
Ages 18 to 75 ยท All sexes ยท Updated Jan 21, 2026 ยท NCT05120934Efficacy of Two Doses of Duloxetine and Amitriptyline in Subjects With Refractory Chronic Cough
RecruitingPhase 2
Ages 18 to 75 ยท All sexes ยท Updated Jan 21, 2026 ยท NCT05110144Cough Management Wellness App for Refractory or Unexplained Chronic Cough
Recruiting
Ages 21 and older ยท All sexes ยท Updated Sep 11, 2025 ยท NCT07070895The Mechanism Versus PPI Trial
RecruitingPhase 4
Ages 18 to 89 ยท All sexes ยท Updated Aug 1, 2025 ยท NCT06999577Investigating Health Impacts of Exposure to Harmful Algal Blooms
RecruitingObservational studyHealthy volunteers welcome
Ages 18 and older ยท All sexes ยท Updated Mar 24, 2025 ยท NCT06883227Medical Herbs Inhibit Inflammation Directing T Cells to Kill the COVID-19 Virus (COVID)
RecruitingPhase 1/2
All ages ยท All sexes ยท Updated Feb 19, 2025 ยท NCT04790240From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.