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Punctal Plug Study to Determine the Safety and Retention Times of Various Lengths of Canalicular Stents in Volunteers

A Three-Month Safety Study to Determine the Retention Times of Side-Arm Canalicular Stents

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00743249
Enrollment
60
Registered
2008-08-28
Start date
2008-10-31
Completion date
2009-02-28
Last updated
2013-04-04

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

Conditions

Dry Eye, Healthy

Keywords

Dry eye, Tear duct, Punctal plug

Brief summary

The purpose of this study was to determine the safety and retention times of two different lengths (10 mm and 20 mm) of the MINI MONOKA canicular stent when inserted in the eye for up to three months in subjects with or without dry eye.

Detailed description

This study consisted of 6 visits conducted over a period of 3 months. At Visit 1 (Day 0), the canalicular stent was inserted. If the stent insertion failed, the subject was rescheduled for insertion at the Day 2 visit. If the stent insertion was not successfully completed by the end of the Day 2 visit, the subject was discontinued from the study. Any subject who had the stent inserted but lost the stent (noticed or unnoticed) after the Day 2 Visit was considered to have completed the study.

Interventions

DEVICEMINI MONOKA canalicular stent, 10 mm

40 mm hollow intubation stent composed of a silicon tube and an oval collarette head (plug), cut to 10 mm length

DEVICEMINI MONOKA canalicular stent, 20 mm

40 mm hollow intubation stent composed of a silicon tube and an oval collarette head (plug), cut to 20 mm length

Sponsors

Alcon Research
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
SCREENING
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
45 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Sign Informed Consent. * With or without dry eye. * Willing to discontinue contact lenses during the study. * Other protocol-defined inclusion criteria may apply.

Exclusion criteria

* Chronic, recurrent, or severe inflammatory eye disease. * Ocular trauma within the past 6 months. * Ocular hypertension or glaucoma. * History of punctal plug/canalicular stent insertion. * Other protocol-defined

Design outcomes

Primary

MeasureTime frameDescription
Mean Retention TimeFrom baseline (Day 0) up to Month 3At all study visits the investigator conducted a slit lamp examination to determine whether the canalicular stent was present.

Secondary

MeasureTime frameDescription
Percentage of Subjects Retaining the Stent at Month 3Month 3At all study visits the investigator conducted a slit lamp examination to determine whether the canalicular stent was present.

Participant flow

Recruitment details

Subjects were recruited from four US study centers.

Participants by arm

ArmCount
Canalicular Stent, 10 mm
MINI MONOKA canalicular stent (tube), 10 mm, inserted in the lower lacrimal canaliculus (tear duct) of one eye for up to 3 months
28
Canalicular Stent, 20 mm
MINI MONOKA canalicular stent (tube), 20 mm, inserted in the lower lacrimal canaliculus (tear duct) of one eye for up to 3 months
29
Total57

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event04
Overall StudyPatient Decision Unrelated to Ad Event01
Overall StudyUnsuccessful insertion of stent21

Baseline characteristics

CharacteristicCanalicular Stent, 10 mmCanalicular Stent, 20 mmTotal
Age Continuous63.0 years
STANDARD_DEVIATION 10.5
62.2 years
STANDARD_DEVIATION 10.8
62.6 years
STANDARD_DEVIATION 10.6
Region of Enrollment
United States
28 participants29 participants57 participants
Sex: Female, Male
Female
20 Participants20 Participants40 Participants
Sex: Female, Male
Male
8 Participants9 Participants17 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
5 / 3010 / 30
serious
Total, serious adverse events
0 / 300 / 30

Outcome results

Primary

Mean Retention Time

At all study visits the investigator conducted a slit lamp examination to determine whether the canalicular stent was present.

Time frame: From baseline (Day 0) up to Month 3

Population: Intent to treat

ArmMeasureValue (MEAN)Dispersion
Canalicular Stent, 10 mmMean Retention Time87.4 DaysStandard Deviation 16.8
Canalicular Stent, 20 mmMean Retention Time61.9 DaysStandard Deviation 36
Secondary

Percentage of Subjects Retaining the Stent at Month 3

At all study visits the investigator conducted a slit lamp examination to determine whether the canalicular stent was present.

Time frame: Month 3

Population: Intent to treat

ArmMeasureValue (NUMBER)
Canalicular Stent, 10 mmPercentage of Subjects Retaining the Stent at Month 392.9 Percentage of subjects
Canalicular Stent, 20 mmPercentage of Subjects Retaining the Stent at Month 348.3 Percentage of subjects

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026