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ClinicalTrials.gov public records Last synced Nov 15, 2026, 5:20 AM EST

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Simple Nasolacrimal duct probing Clear all
Completed No phase listed Observational

Study of Surgical Procedures for Treatment of Persistent Nasolacrimal Duct Obstruction in Children < 4 Years Old

NCT00315315
View directory record Official record
Conditions
Nasolacrimal Duct Obstruction
Interventions
Nasolacrimal balloon catheter dilation, Nasolacrimal intubation, Nasolacrimal duct probing
Procedure
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
6 Months to 47 Months
Enrollment
194 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
2
States / cities
Baltimore, Maryland • Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 17, 2012 · Synced Nov 15, 2026, 5:20 AM EST
Completed Phase 3 Interventional Results available

Immediate Office Probing vs Deferred Facility Probing for Nasolacrimal Duct Obstruction in Children 6 to <10 Months Old

NCT00780741
View directory record Official record
Conditions
Nasolacrimal Duct Obstruction
Interventions
Immediate Office Probing, Deferred Facility Probing
Procedure
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
6 Months to 10 Months
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Boise, Idaho
Source: ClinicalTrials.gov public record
Updated Jun 24, 2016 · Synced Nov 15, 2026, 5:20 AM EST
Completed No phase listed Observational

Study of Primary Surgical Treatment of Nasolacrimal Duct Obstruction in Children Less Than Four Years Old

NCT00315289
View directory record Official record
Conditions
Nasolacrimal Duct Obstruction
Interventions
Nasolacrimal balloon catheter duct dilation, Nasolacrimal intubation, Simple Nasolacrimal duct probing
Procedure
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
6 Months to 47 Months
Enrollment
973 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
2
States / cities
Baltimore, Maryland • Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 2, 2010 · Synced Nov 15, 2026, 5:20 AM EST