Not applicableStudy completedNCT04931186What this trial is testingNasolacrimal Duct ObstructionWho this might be right forEye DiseasesLacrimal Duct Obstruction Medical University of Vienna 625
Not applicableUnknownNCT03242681What this trial is testingEndoscopy Assisted Probing Versus Simple Probing in Primary Congenital Nasolacrimal Duct ObstructionWho this might be right forCongenital Nasolacrimal Duct Obstruction Tehran University of Medical Sciences 320
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 participantsNCT07225244What this trial is testingComparative Outcomes of Four Versus Two Balloon Inflation Points in Dacryoplasty for Primary Acquired Nasolacrimal Duct ObstructionWho this might be right forPrimary Acquired Nasolacrimal Duct Obstruction National Taiwan University Hospital 50
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
Early research (Phase 1)Study completedNCT01431170What this trial is testingSafety and Efficacy Study of Besivance™ for Treatment of Congenital Nasolacrimal Duct Obstruction in ChildrenWho this might be right forCongenital Nasolacrimal Duct Obstruction Rutgers, The State University of New Jersey 24
Not applicableUnknownNCT02234700What this trial is testingAre Corneal Epithelial Defects Related to Changes in Ocular Bacterial Flora in Patients With ANLDOWho this might be right forAcquired Nasolacrimal Duct Obstruction Western Galilee Hospital-Nahariya 60
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 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 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 applicableUnknownNCT02993770What this trial is testingEndo-nasal Endoscopic DCR and External-DCR in Primary Nasolacrimal Duct ObstructionWho this might be right forPrimary Acquired Nasolacrimal Tehran University of Medical Sciences 120
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 completedNCT04837534What this trial is testingImproving the Follow up Rate for Pediatric PatientsWho this might be right forCNLDO - Congenital Nasolacrimal Duct ObstructionAmblyopiaConjunctivitis+3 more Seva Foundation 264
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 applicableUnknownNCT05241054What this trial is testingEffect of Local Anesthesia Versus Induced Hypotensive Anesthesia on Quality of External Dacryocystorhinostomy OperationWho this might be right forPatient With Nasolacrimal Duct ObstructionExternal Dacryocystorhinostomy Operation Mansoura University 64
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 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 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 applicableLooking for participantsNCT06530264What this trial is testingEvaluation of Different Methods of Posterior Flap Management in External DacryocystorhinostomyWho this might be right forAcquired Nasolacrimal Duct Obstruction Minia University 100