Not applicableEnded earlyNCT03705000What this trial is testingSLlt Stent II Lacrimal Stent for the Treatment of Nasolacrimal Duct ObstructionWho this might be right forEpiphoraDacryocystorhinostomy Thomas Gardner 5
Not applicableUnknownNCT01579344What this trial is testingLacrimal Drainage System Obstruction Associated to Radioactive Iodine Therapy for Thyroid CarcinomaWho this might be right forLacrimal Apparatus Disease Fabricio Lopes da Fonseca 100
Not applicableStudy completedNCT00315289What this trial is testingStudy of Primary Surgical Treatment of Nasolacrimal Duct Obstruction in Children Less Than Four Years OldWho this might be right forNasolacrimal Duct Obstruction Jaeb Center for Health Research 973
Not applicableStudy completedNCT05748951What this trial is testingEvaluating a Device for Blocking the Tear DuctWho this might be right forDry Eye AesculaTech, Inc. 33
Not applicableLooking for participantsNCT07289854What this trial is testingPortable Endoscopic Camera System Using Modified Action Camera for Endoscopic Sinunasal ExaminationWho this might be right forNasolacrimal Duct ObstructionNasolacrimal Tract Obstruction University of Arkansas 40
Not applicableStudy completedNCT06428266What this trial is testingClosed Dacryointubation vs Bicanalicular Intubation for Proximal Tear Duct ObstructionWho this might be right forLacrimal Duct ObstructionLacrimal Apparatus DiseasesLacrimal Stenosis+1 more Instituto de Oftalmología Fundación Conde de Valenciana 31
Large-scale testing (Phase 3)Looking for participantsNCT05999630What this trial is testingArtificial Tears to Prevent Nasolacrimal Duct Obstruction in Patients Treated With Radioactive Iodine for Thyroid CancerWho this might be right forNasolacrimal Duct ObstructionThyroid Cancer Vanderbilt University Medical Center 100
Not applicableStudy completedNCT00315315What this trial is testingStudy of Surgical Procedures for Treatment of Persistent Nasolacrimal Duct Obstruction in Children < 4 Years OldWho this might be right forNasolacrimal Duct Obstruction Jaeb Center for Health Research 194
Post-approval studies (Phase 4)Looking for participantsNCT05663684What this trial is testingDoes Topical Ophthalmic Proparacaine 0.5% Prior to Probing and Irrigation Decrease Pain?Who this might be right forEpiphoraDacryostenosisDacryocystitis Louisiana State University Health Sciences Center in New Orleans 145
Not applicableStudy completedNCT01826734What this trial is testingAnalysis of 86 Dacryoliths at the University Hospital OstravaWho this might be right forLacrimal Apparatus DiseasesLacrimal Duct Obstruction University Hospital Ostrava 86
Not applicableNot Yet RecruitingNCT06924723What this trial is testingEffect of Standardized Lacrimal Sac Massage Compared With Probing for Congenital Lacrimal Duct ObstructionWho this might be right forNasolacrimal Duct Obstruction Zhongshan Ophthalmic Center, Sun Yat-sen University 160
Not applicableStudy completedNCT02851641What this trial is testingRisk and Importance of Peroperative Nasal Hemorrhage in the Treatment of Lacrimal Duct Obstruction in Young ChildrenWho this might be right forLacrimal Duct Obstruction Fondation Ophtalmologique Adolphe de Rothschild 108
Not applicableUnknownNCT00571129What this trial is testingEndoscopic Dacryocystorhinostomy Prospective ResearchWho this might be right forLacrimal Duct Obstruction Kuopio University Hospital 80
Not applicableStudy completedNCT05500950What this trial is testingColor Doppler Ultrasound in Lacrimal Sac Space-occupying LesionsWho this might be right forDacryocystitis; ChronicLacrimal Sac Space-occupying LesionsColor Doppler Ultrasound+1 more Wenzhou Medical University 21
Not applicableUnknownNCT06346561What this trial is testingThe Efficacy of Dexmedetomidine Versus Labetalol In Providing Controlled Hypotension In Dacryocystorhinostomy SurgeryA Comparative Randomized Prospective StudyWho this might be right forNasolacrimal Duct Obstruction Sohag University 50
Not applicableStudy completedNCT03411889What this trial is testingA Feasibility Study to Develop a Protocol for Functional Lacrimal Magnetic Resonance ImagingWho this might be right forLacrimal Duct ObstructionLacrimal Stenosis Brighton and Sussex University Hospitals NHS Trust 15
Not applicableStudy completedNCT04931186What this trial is testingNasolacrimal Duct ObstructionWho this might be right forEye DiseasesLacrimal Duct Obstruction Medical University of Vienna 625
Not applicableStudy completedNCT06810089What this trial is testingExamination of Lacrimal Sac and Nasal Mucosa Preparations Taken in Dacryocystorhinostomy Surgery of Patients With Nasolacrimal Duct Obstruction and Comparison of Clinical Groups With Each OtherWho this might be right forDacryocystitisDacryocystitis; ChronicDacryocystorhinostomy+6 more Uludag University 78
Post-approval studies (Phase 4)Study completedNCT00784992What this trial is testingA Comparison of Endonasal Dacryocystorhinostomy With and Without Silicone TubesWho this might be right forNasolacrimal Duct Obstruction University of British Columbia 200
Not applicableLooking for participantsNCT07154121What this trial is testingEfficacy Evaluation of 5-Fluorouracil as an Adjuvant to Endoscopic Dacryocystorhinostomy in Managing Primary Acquired Nasolacrimal Duct Obstruction With Small Lacrimal Sac: A Randomized Controlled StudyWho this might be right forPrimary Acquired Nasolacrimal Duct Obstruction Zhongshan Ophthalmic Center, Sun Yat-sen University 100