Not applicableStudy completedNCT04931186What this trial is testingNasolacrimal Duct ObstructionWho this might be right forEye DiseasesLacrimal Duct Obstruction Medical University of Vienna 625
Not applicableUnknownNCT03318146What this trial is testingSafety, Tolerability and Preliminary Efficacy of Unilateral Latanoprost-loaded Punctual Plug -EXP-LPWho this might be right forGlaucomaOcular HypertensionIOP Shaare Zedek Medical Center 40
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
Testing effectiveness (Phase 2)Study completedNCT02636257What this trial is testingA Comparative Study of Two Endoscopic Operations for Lacrimal Duct ObstructionWho this might be right forLacrimal Duct Obstruction Third Affiliated Hospital, Sun Yat-Sen University 50
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
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 completedNCT03709641What this trial is testingEvaluate the Safety and Effectiveness of Restylane-Defyne for Punctual OcclusionWho this might be right forMild to Moderate Dry Eye Disease John C Meyer, MD 14
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 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
Not applicableNot Yet RecruitingNCT07593469What this trial is testingOutcomes of Early Lacrimal Probing Versus Lacrimal Sac Massage in Infants With Congenital Nasolacrimal Duct ObstructionWho this might be right forLacrimal Duct Obstruction Hany Mahmoud,MD 50
Not applicableUnknownNCT04943055What this trial is testingLow Temperature Plasma Ablation Combined Lacrimal Duct Catheterization in the Treatment of Lacrimal Duct ObstructiveWho this might be right forLacrimal Duct Obstruction Second Affiliated Hospital, School of Medicine, Zhejiang University 180
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
Not applicableStudy completedNCT04817085What this trial is testingAn Evaluation of the Clinical Utility and Safety of the Visant Medical Canalicular PlugWho this might be right forDry Eye Visant Medical, Inc. 156
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
Not applicableStudy completedNCT05999058What this trial is testingClinical Study of Lacrimal Drainage Obstruction Diseases Using DacryoendoscopyWho this might be right forLacrimal Duct Obstruction Tianjin Eye Hospital 522
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 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 completedNCT03780868What this trial is testingExternal DCR Versus Canalicular SI With MMC in NLDOWho this might be right forPrimary Acquired Nasolacrimal Duct Obstruction Menoufia University 56
Not applicableUnknownNCT00571129What this trial is testingEndoscopic Dacryocystorhinostomy Prospective ResearchWho this might be right forLacrimal Duct Obstruction Kuopio University Hospital 80
Not applicableUnknownNCT04706117What this trial is testingSelf-retaining Bicanalicular Intubation Stent Versus Bicanalicular Silicone Tube for Management of Canalicular ObstructionWho this might be right forCanalicular Obstruction Minia University 40