# The Retention Rate Between Brand A and Brand B Punctal Plugs

> **NCT01947517** · — · COMPLETED · sponsor: **Queen's University** · enrollment: 52 (actual)

## Conditions studied

- Dry Eye

## Interventions

- **DEVICE:** Parasol Punctal Occluder
- **DEVICE:** Superflex Punctal Occluder

## Key facts

- **NCT ID:** NCT01947517
- **Lead sponsor:** Queen's University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2013-09
- **Primary completion:** 2014-05
- **Final completion:** 2014-08
- **Target enrollment:** 52 (ACTUAL)
- **Last updated:** 2017-06-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01947517

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01947517, "The Retention Rate Between Brand A and Brand B Punctal Plugs". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT01947517. Licensed CC0.

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