NCT00531375

Brief Summary

The primary purpose of this study is to investigate the effect of silicone hydrogel contact lenses on conjunctival flora over a period of 6 months of daily wear. A secondary aim is to compare the levels of microbial contamination of silicone hydrogel lenses after daily wear.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
60

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Sep 2007

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 1, 2007

Completed
16 days until next milestone

First Submitted

Initial submission to the registry

September 17, 2007

Completed
1 day until next milestone

First Posted

Study publicly available on registry

September 18, 2007

Completed
9 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2008

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2008

Completed
Last Updated

November 19, 2008

Status Verified

November 1, 2008

Enrollment Period

9 months

First QC Date

September 17, 2007

Last Update Submit

November 17, 2008

Conditions

Interventions

Eligibility Criteria

Age18 Years - 45 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Is correctable to at least 6/9 distance visual acuity in each eye with spherical contact lenses.
  • Is a current full time soft contact lens wearer.
  • Has no clinically significant anterior eye findings.
  • Has no other active ocular disease

You may not qualify if:

  • Has any systemic disease that might interfere with contact lens wear
  • Is using any systemic or topical medications that will affect ocular health.
  • Has any pre-existing ocular irritation that would preclude contact lens fitting.
  • Has any ocular pathology or severe insufficiency of lacrimal secretion (dry eyes) that would affect the wearing of contact lenses.
  • Has undergone corneal refractive surgery.
  • Is pregnant, lactating or planning a pregnancy.
  • Is participating in a concurrent clinical trial.
  • Has a latex sensitivity.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Clinical Vision Research Australia

Melbourne, Victoria, 3053, Australia

Location

MeSH Terms

Conditions

Myopia

Condition Hierarchy (Ancestors)

Refractive ErrorsEye Diseases

Study Officials

  • Carol Lakkis, BScOptom, PhD, PGCertOcTher

    Clinical Vision Research Australia, Victorian College of Optometry

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER

Study Record Dates

First Submitted

September 17, 2007

First Posted

September 18, 2007

Study Start

September 1, 2007

Primary Completion

June 1, 2008

Study Completion

September 1, 2008

Last Updated

November 19, 2008

Record last verified: 2008-11

Locations