Not applicableStudy completedNCT00858624What this trial is testingNeurophysiology and Pharmacology of Cough Reflex HypersensitivityWho this might be right forChronic Cough Jacky Smith 24
Post-approval studies (Phase 4)Study completedNCT02062710What this trial is testingAntitussive Effect of a Naturally Flavored Syrup Containing Diphenhydramine, Compared With Dextromethorphan and PlaceboWho this might be right forCough Reflex Sensitivity Montefiore Medical Center 22
Not applicableStudy completedNCT01297790What this trial is testingCough Responses to Tussive Agents in Health and DiseaseWho this might be right forChronic Obstructive Airway DiseaseAsthmaChronic Cough Manchester University NHS Foundation Trust 102
Testing effectiveness (Phase 2)Study completedNCT03415269What this trial is testingThe Effect of 20 mg Ambroxol Hydrochloride on Acute Cough.Who this might be right forCough Hull University Teaching Hospitals NHS Trust 14
Not applicableStudy completedNCT00977366What this trial is testingNeurophysiology of Cough Reflex HypersensitivityWho this might be right forCoughHealthy Controls University of Manchester 27
Not applicableStudy completedNCT01777867What this trial is testingCough Reflex Sensitivity and Bronchial Hyper-responsivenessWho this might be right forGastroesophageal Reflux DiseaseChronic CoughBroncho-hyperreactivity Mayo Clinic 24
Very early researchStudy completedNCT04256733What this trial is testingCough Desensitization Therapy for Cough Hypersensitivity SyndromeWho this might be right forCough University of Montana 19
Not applicableUnknownNCT02591550What this trial is testingA Study on the Mechanism of Cough HypersensitivityWho this might be right forCough Kefang Lai 300
Testing effectiveness (Phase 2)Study completedNCT02476890What this trial is testingEffect of Gefapixant (MK-7264/AF-219) on Cough Reflex Sensitivity in Healthy and Chronic Cough Participants (MK-7264-014)Who this might be right forRefractory Chronic Cough Afferent Pharmaceuticals, Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA) 36
Testing effectiveness (Phase 2)Study completedNCT01899768What this trial is testingGSK2339345 Hypertussive Challenge StudyWho this might be right forCough GlaxoSmithKline 16
Testing effectiveness (Phase 2)Study completedNCT02397460What this trial is testingEffect of Gefapixant (AF-219/MK-7264) on Cough Reflex Sensitivity (MK-7264-015)Who this might be right forRefractory Chronic Cough Afferent Pharmaceuticals, Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA) 50
Post-approval studies (Phase 4)Study completedNCT02203162What this trial is testingEffect of Electronic Cigarette Use on Cough Reflex SensitivityWho this might be right forCough Montefiore Medical Center 30
Very early researchStudy completedNCT05955885What this trial is testingEffect of Over-the-counter NSAIDS on Cough Reflex Sensitivity in Patients with Upper Respiratory Tract InfectionsWho this might be right forCoughUpper Respiratory Tract Infections University of Melbourne 101
Not applicableUnknownNCT01807832What this trial is testingThe Use of Capsaicin Challenge for Diagnosis, Monitoring and Follow-up of Chronic Cough.Who this might be right forChronic Cough Tel-Aviv Sourasky Medical Center 25
Testing effectiveness (Phase 2)UnknownNCT02482818What this trial is testingEfficacy of Pregabalin on Chronic CoughWho this might be right forCough Ottawa Hospital Research Institute 40