Tear Lipid Layer Thickness Changes With Use of Emollient and Non-Emollient Eye Drops
1 other identifier
interventional
24
1 country
1
Brief Summary
Cross-over comparison of lipid layer thickness and dry eye symptoms with two artificial tear formulations.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Dec 2018
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
October 11, 2018
CompletedFirst Posted
Study publicly available on registry
October 16, 2018
CompletedStudy Start
First participant enrolled
December 5, 2018
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 28, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
February 28, 2019
CompletedMay 23, 2019
May 1, 2019
3 months
October 11, 2018
May 22, 2019
Conditions
Outcome Measures
Primary Outcomes (1)
Tear Lipid Layer Thickness
Interference microscopy
1 minute
Secondary Outcomes (1)
Tear Break-Up Time
1 minute
Study Arms (2)
Systane® Complete
ACTIVE COMPARATORAll subjects are randomly assigned to arm one or arm two. Subjects are assigned to be treated with one drop of Systane® Complete, and the tear lipid layer thickness is to be measured at 15 minutes, 1, 2, 4, and 6 hours after instillation of the eye drop. Following a minimum of a 2-day washout, the same subjects will proceed to the second arm.
Systane® Ultra
ACTIVE COMPARATORAll subjects are randomly assigned to arm one or arm two. Subjects are assigned to be treated with one drop of Systane® Ultra, and the tear lipid layer thickness is to be measured at 15 minutes, 1, 2, 4, and 6 hours after instillation of the eye drop. Following a minimum of a 2-day washout, the same subjects will proceed to the second arm.
Interventions
Lubricant eye drop which is based on propylene glycol 0.6%. Used for temporary relief of burning and irritation due to dryness of the eye.
Lubricant eye drop which is based on polyethylene glycol 400 0.4% and propylene glycol 0.3%. Used for temporary relief of burning and irritation due to dryness of the eye.
Eligibility Criteria
You may qualify if:
- Age - at least 30 years
- Good general health (defined by medication use that has not changed within the last month and the absence of medical conditions or treatments that are deemed confounding to the data as determined by the PI)
- Ability to give informed consent
- Willing to spend time for the study; approximately one hour for a screening visit and two eye drop exposure visits lasting approximately 6 hours each. Part 2 of the study will include using an eye drop of Systane® Complete 4x/day for 1 month and returning for one visit lasting approximately 1 hour.
- Either gender
- Any racial or ethnic origin
- SVCM tear lipid thickness ≤ 75 nm
- Contact lens wearers must refrain from lens wear for two days before the screening visit, including the day of the baseline visit, and during the entire study.
You may not qualify if:
- Use of any ocular prescription medication (such as but not limited to, glaucoma medications, anti-inflammatory eye drops and Restasis) used within 14 days of the screening visit or started prior to the measurement visit(s).
- Currently having punctal plugs inserted in lacrimal puncta
- Current eye disease, infection or inflammation that affects the surface of the eye such as, but not limited to moderate or greater blepharitis and ocular allergy. Clinically significant (active treatment) of blepharitis, Sjogren's disease or other systemic disease that could influence MGD, corneal, conjunctival, or eyelid abnormalities that could influence lipid layer thickness, conjunctivitis of any cause, ocular infection or systemic medication such as diuretics, SSRIs, that could influence tear secretion, or sensitivity to any of the ingredient in the eye drop being tested,
- Past eye surgery, such as, but not limited to, refractive surgery. Subjects who have had cataract removal surgery more than one year ago may be considered as potential subjects.
- Female subjects may not be pregnant or lactating. (Subject will be asked to self report these conditions.)
- Infectious diseases (for example, hepatitis, tuberculosis) or an immuno-suppressive disease (for example, HIV). (Subjects will be asked to self-report these conditions.)
- Inability to complete the screening and examination
- Inability to provide analyzable data. For example, subjects who cannot keep their eye open during the entire measurement interval (due to early blinking) or provide a readable eye image (due to eyelid laxity) or cannot sit still for 1 minute.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Ohio State Universitylead
- Alcon Researchcollaborator
Study Sites (1)
The Ohio State University College of Optometry
Columbus, Ohio, 43210, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Masking Details
- Investigator instills known eye drop; masked to participant
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate Professor
Study Record Dates
First Submitted
October 11, 2018
First Posted
October 16, 2018
Study Start
December 5, 2018
Primary Completion
February 28, 2019
Study Completion
February 28, 2019
Last Updated
May 23, 2019
Record last verified: 2019-05
Data Sharing
- IPD Sharing
- Will not share