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A Prospective Study of Conjunctivodacryocystostomy in Managing complete canalicular obstruction

A Prospective Study of Conjunctivodacryocystostomy in Managing complete canalicular obstruction

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600123346
Enrollment
Unknown
Registered
2026-04-24
Start date
2026-04-25
Completion date
Unknown
Last updated
2026-05-04

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

Conditions

Complete canalicular obstruction, severe epiphora.

Interventions

complete canalicular obstruction patient:None

Sponsors

The Zhongshan Ophthalmic Center,Sun Yat-sen University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Intraoperative identification of complete canalicular obstruction. 2. Diagnosis and subsequent conjunctivodacryocystorhinostomy performed by the same experienced ophthalmologist. 3. No restrictions on age or gender. 4. Willing and able to comply with the study protocol and having provided voluntary written informed consent. 5. A preoperative MUNK score of greater than 2 in the affected eye.

Exclusion criteria

Exclusion criteria: 1. Diagnosis of acute dacryocystitis. 2. Concurrent nasal pathologies, including nasal polyposis, atrophic rhinitis, or granulomatosis with polyangiitis. 3. Presence of eyelid malposition, ocular surface diseases, trichiasis, any systemic condition causing excessive tearing, uncontrolled systemic diseases, or pregnancy. 4. Significant systemic diseases, cardiovascular and cerebrovascular diseases, or coagulation disorders. 5. Any other condition deemed by the investigator as a reason for exclusion.

Design outcomes

Primary

MeasureTime frame
MUNK score;Overall effective rate 9 months after surgery;

Secondary

MeasureTime frame
Incidence of complications;

Countries

China

Contacts

Public ContactChen Rongxin

The Zhongshan Ophthalmic Center,Sun Yat-sen University

chenrongxin@gzzoc.com+86 20 8733 1541

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 7, 2026