Artificial Tears, Tear Lipids and Tear Film Dynamics
AlconAT
Effects Of Artificial Tears on Tear Lipid Films and Tear Film Dynamics In Vivo
1 other identifier
interventional
81
1 country
1
Brief Summary
Dry eye disease (DED) is pervasive with some reports estimating over 16 million adults diagnosed in the United States. Currently, artificial tears remain an integral part of managing dry eyes and are mainly used for symptomatic relief. Recent studies have shown there may be therapeutic benefits with regular use of lipid-based artificial tears to improve the structure of the tear film, which may improve tear film stability and provide relief of symptoms. In this study the investigators propose to compare effects on the tear lipid film and its dynamics between 3 lipid based artificial tears and a widely available non-lipid based artificial tear.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_4
Started Jan 2023
Shorter than P25 for phase_4
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
January 20, 2023
CompletedFirst Posted
Study publicly available on registry
January 30, 2023
CompletedStudy Start
First participant enrolled
January 30, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 30, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
January 30, 2024
CompletedResults Posted
Study results publicly available
March 14, 2025
CompletedMarch 14, 2025
March 1, 2025
8 months
January 20, 2023
January 14, 2025
March 3, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Tear Lipid Layer Thickness
Change in Tear Lipid Layer Thickness (3mo follow-up - post-run-in baseline)
Lipid Layer Thickness measured once at post-run-in baseline and once at 3mo follow-up visit
Secondary Outcomes (2)
Tear Lipid Layer Uniformity
Lipid Layer Uniformity measured once at post-run-in baseline and once at 3mo follow-up visit
Tear Film Thinning Rate
Tear Film Thinning Rate measured once at post-run-in baseline and once at 3mo follow-up visit
Other Outcomes (3)
Exploratory - Subjective Symptoms - OSDI Questionnaire
OSDI questionnaire administered once at post-run-in baseline and once at 3mo follow-up visit
Exploratory - Subjective Symptoms - SANDE
SANDE questionnaire administered once at post-run-in baseline and once at 3mo follow-up visit
Exploratory - Subjective Symptoms - DEQ-5
DEQ-5 questionnaire administered once at post-run-in baseline and once at 3mo follow-up visit
Study Arms (4)
Systane Complete PF (Treatment)
EXPERIMENTALMasked subjects assigned to Arm 1 will use Systane Complete PF artificial tear drops 4 times per day (QID) to treat dry eye symptoms over a 3 month period.
Refresh Relieva PF (Control)
PLACEBO COMPARATORMasked subjects assigned to Arm 2 will use Refresh Relieva PF artificial tear drops 4 times per day (QID) to treat dry eye symptoms over a 3 month period.
Refresh Optive Mega-3 PF (Active Comparator 1)
ACTIVE COMPARATORMasked subjects assigned to Arm 3 will use Refresh Optive Mega-3 PF artificial tear drops 4 times per day (QID) to treat dry eye symptoms over a 3 month period.
CVS Health Lubricant Eye Drop (PG 0.6%) (Active Comparator 2)
ACTIVE COMPARATORMasked subjects assigned to Arm 4 will use CVS Health Lubricant Eye Drop (PG 0.6%) artificial tear drops 4 times per day (QID) to treat dry eye symptoms over a 3 month period.
Interventions
3 month use, 4 times daily, of Systane Complete PF, a lipid-based, preservative-free artificial tear product
3 month use, 4 times daily, of Refresh Relieva PF, a non-lipid-based, preservative-free artificial tear product
3 month use, 4 times daily, of Refresh Optive Mega-3 PF, a lipid-based, preservative-free artificial tear product
3 month use, 4 times daily, of CVS Health Lubricant Eye Drop (PG 0.6%), a lipid-based, preserved artificial tear product
Eligibility Criteria
You may qualify if:
- Best Corrected Visual Acuity of 20/30 or better;
- Experiencing Dry Eye symptoms (baseline OSDI score \>= 13);
You may not qualify if:
- Currently experiencing active ocular inflammation or infection;
- Currently using topical eye medication (not including over-the-counter eyedrops);
- Having systemic health conditions or using prescription medications (including but not limited to isotretinoin derivatives) that could alter tear film physiology;
- Having a history of severe ocular trauma, ocular surgery, or diabetes;
- Being pregnant or breast feeding;
- Being a current contact lens wearer;
- Currently having a condition or being in a situation which, in the examiner's opinion, may put the subject at significant risk, may confound the study results, or may otherwise significantly interfere with their participation in the study;
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- University of California, Berkeleylead
- Alcon Researchcollaborator
Study Sites (1)
Clinical Research Center, School of Optometry, University of California, Berkeley
Berkeley, California, 94720-2020, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Andrew D. Graham
- Organization
- University of California Berkeley Clinical Research Center
Study Officials
- PRINCIPAL INVESTIGATOR
Meng C. Lin, OD, PhD
University of California Berkeley Clinical Research Center
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Masking Details
- After the 1-week initial period during which all subjects will use the run-in solution, subjects will be randomly assigned one of the 4 study solutions, and neither the subject nor the clinician researchers or technicians conducting examinations and taking measurements will be aware of which solution is assigned. All 4 solutions will be dispensed in color- and name-coded identical dispensing bottles prepared by study personnel not involved in collecting data.
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 20, 2023
First Posted
January 30, 2023
Study Start
January 30, 2023
Primary Completion
September 30, 2023
Study Completion
January 30, 2024
Last Updated
March 14, 2025
Results First Posted
March 14, 2025
Record last verified: 2025-03
Data Sharing
- IPD Sharing
- Will not share
De-identified data collected in this study may be shared upon request, at the discretion of the PI, for non-commercial research purposes.