Prospective randomised controlled study comparing endonasal dacrocystorhinostomy conducted with and without potassium titanyl phosphate (KTP) laser for patients demonstrated to have nasolacrimal duct obstruction

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN74335571

Enrollment

100

Registered

2003-09-12

Start date

2001-07-10

Completion date

Unknown

Last updated

2015-01-13

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

Conditions

Surgery: Endonasal dacrocystorhinostomy Surgery Endonasal dacrocystorhinostomy

Interventions

1. Laser endonasal dacrocystorhinostomy 2. Dissection endonasal dacrocystorhinostomy

Eligibility

Inclusion criteria

Inclusion criteria: 100 patients who have nasolacrimal duct obstruction

Exclusion criteria

Exclusion criteria: Not provided at time of registration

Design outcomes

Secondary

Measure	Time frame
Not provided at time of registration	—

Primary

Measure	Time frame
1. Patient acceptability of the procedure 2. Symptomatic reduction in epiphoria 3. Assessment of complication rates 4. Frequency of stenosis leading to recurrence of symptoms	—

Countries

United Kingdom

Outcome results

None listed

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