Post-approval studies (Phase 4)Study completedNCT00641264What this trial is testingQuality of Life Validation in LaryngitisWho this might be right forLaryngopharyngeal Reflux (LPR) AstraZeneca 90
Not applicableStudy completedNCT01755221What this trial is testingPositive Predictive Value of the Dx-pH Probe for Predicting PPI Response in LPRWho this might be right forLaryngopharyngeal Reflux (LPR)Extraesophageal RefluxReflux Laryngitis+1 more Northwestern University 42
Post-approval studies (Phase 4)Ended earlyNCT00369265What this trial is testingSafety and Efficacy of Lansoprazole 30mg Twice Daily in Treatment of Laryngitis Associated With Gastroesophageal RefluxWho this might be right forLaryngopharyngeal Reflux American Institute for Voice and Ear Research 18
Not applicableStudy completedNCT01806220What this trial is testingLaryngeal and Esophageal EGF-r Expression in Patients With Reflux LaryngitisWho this might be right forGastroesophageal Reflux DiseaseChronic Laryngitis Faculdade de Ciências Médicas da Santa Casa de São Paulo 24
Post-approval studies (Phase 4)Study completedNCT00628667What this trial is testingChronic Posterior Laryngitis With Suspected Laryngopharyngeal RefluxWho this might be right forChronic Posterior Laryngitis (CPL) AstraZeneca 120
Not applicableStudy completedNCT04771221What this trial is testingMethod of Early Diagnosis of Laryngopharyngeal RefluxWho this might be right forLaryngopharyngeal RefluxLaryngopharyngitis ChronicGastro Esophageal Reflux+1 more Kazakh Medical University of Continuing Education 385
Not applicableStudy completedNCT05296655What this trial is testingKazakh Version of Reflux Symptom IndexWho this might be right forLaryngopharyngeal Reflux SymptomsLaryngopharyngitis ChronicGastro Esophageal Reflux Disease Kazakh Medical University of Continuing Education 248
Not applicableStudy completedNCT00517114What this trial is testingProspective Double-blinded Randomized Controlled Trial of 12-weeks High Dose Rabeprazole (Pariet) in the Treatment of Reflux Laryngitis in Chinese PatientsWho this might be right forGastroesophageal RefluxLaryngitis Hospital Authority, Hong Kong 200
Large-scale testing (Phase 3)Study completedNCT00204698What this trial is testingLaryngopharyngeal Reflux and Proton Pump Inhibitor (PPI) TreatmentWho this might be right forLaryngopharyngeal Reflux University of Utah 24
Not applicableStudy completedNCT01389401What this trial is testingSalivary Epidermal Growth Factor (EGF) Concentration Before and After Treatment of Reflux LaryngitisWho this might be right forGastroesophageal Reflux Disease (GERD)Chronic Laryngitis Faculdade de Ciências Médicas da Santa Casa de São Paulo 36
Not applicableStudy completedNCT02048449What this trial is testingInter-rater Reliability of the Reflux Finding Score Among GastroenterologistsWho this might be right forLaryngitisReflux Chuncheon Sacred Heart Hospital 21