Monocanalicular versus Bicanalicular Silicon Tube Intubation for Nasolacrimal Duct Stenosis in Adults

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT201102234580N1

Enrollment

Registered

2011-04-13

Start date

2010-10-29

Completion date

Unknown

Last updated

2018-02-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Nasolacrimal duct stenosis. Stenosis and insufficiency of lacrimal passages

Interventions

Intervention 1: group 1: monoanalicular silicon intubation. Intervention 2: Group2: bicanalicular silicon tube intubation.

Treatment - Surgery

group 1: monoanalicular silicon intubation

Group2: bicanalicular silicon tube intubation

Eligibility

Sex/Gender

All

Age

14 Years to 80 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: 1.epiphora 2.water entranse into troat + water reflux from other panctum in irrigation test 3.DDT test> 5 minutes 3.NLD obstruction in scinthigraphy. Exclusion criteria: 1.privious lacrimal surgery 2.privious lacrimal trauma 3.sinus disease 4.punctal or lid disease 5.ocular surface disease 6.removal of silicon stent before 3 months 7.follow up <3 months.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Abcense of epiphora. Timepoint: 3 months after tube removal. Method of measurement: DDT test.	—

Secondary

Measure	Time frame
Complication. Timepoint: 3 months after tube removal. Method of measurement: examination.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr. Dima Andalib

Nikookary hospital

andalibd@tbzmed.ac.ir+98 41 1655 1332

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026