Safety and Efficacy of Punctal Plug Insertion in Patients With Dry Eye

This study has been completed.
Information provided by (Responsible Party):
Allergan Identifier:
First received: September 11, 2012
Last updated: August 6, 2013
Last verified: August 2013

This study will access changes in tear protein levels and symptoms of dry eye following insertion of a punctal plug.

Condition Intervention Phase
Dry Eye
Device: Punctal Plug
Phase 4

Study Type: Interventional
Study Design: Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment

Resource links provided by NLM:

Further study details as provided by Allergan:

Primary Outcome Measures:
  • Change from Baseline in Tear Protein Levels [ Time Frame: Baseline, Week 3 ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Corneal Fluorescein Staining [ Time Frame: Week 3 ] [ Designated as safety issue: No ]
  • Tear Film Break-up Time [ Time Frame: Week 3 ] [ Designated as safety issue: No ]
  • Schirmer's Test [ Time Frame: Week 3 ] [ Designated as safety issue: No ]
  • Dry Eye Questionnaire Score [ Time Frame: Week 3 ] [ Designated as safety issue: No ]

Enrollment: 30
Study Start Date: October 2012
Study Completion Date: July 2013
Primary Completion Date: July 2013 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Punctal plug
Punctal plugs inserted into the study eye on Day 1.
Device: Punctal Plug
Punctal plugs inserted into the study eye on Day 1.


Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Patients with moderate to severe dry eye

Exclusion Criteria:

  • Previous punctal plug insertion in the last 3 months or presence of plugs at the time of study
  • Contact lens wear in the 7 days prior to study start or during the study
  • LASIK procedure in the last year
  • Cataract or other eye surgery in the last 3 months
  • Corneal grafts
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01684436

Singapore, Singapore
Sponsors and Collaborators
Study Director: Medical Director Allergan
  More Information

No publications provided

Responsible Party: Allergan Identifier: NCT01684436     History of Changes
Other Study ID Numbers: APMA-DE-0812
Study First Received: September 11, 2012
Last Updated: August 6, 2013
Health Authority: Singapore: Health Sciences Authority

Additional relevant MeSH terms:
Keratoconjunctivitis Sicca
Dry Eye Syndromes
Conjunctival Diseases
Eye Diseases
Corneal Diseases
Lacrimal Apparatus Diseases processed this record on July 22, 2014