Use of Prophylactic Lubricating Drops After Cataract Surgery
Patient Satisfaction and Dry Symptoms in NHS Patients Undergoing Routine Uncomplicated Cataract Surgery Treated With Prophylactic Phosphate-free, Preservative-free Lubricant Eye Drops. A Randomised Controlled Prospective Study.
1 other identifier
interventional
168
1 country
1
Brief Summary
This is a randomised controlled trial to assess the use of prophylactic lubricant eye-drops for 6 weeks following uncomplicated, routine cataract surgery to improve patient satisfaction and symptoms of dry eye, compared to controls.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Oct 2019
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
Study Start
First participant enrolled
October 14, 2019
CompletedFirst Submitted
Initial submission to the registry
October 16, 2019
CompletedFirst Posted
Study publicly available on registry
October 18, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2020
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2020
CompletedOctober 18, 2019
October 1, 2019
8 months
October 16, 2019
October 17, 2019
Conditions
Outcome Measures
Primary Outcomes (3)
Patient Satisfaction (CatPROM 5)
Validated patient satisfaction questionnaire are used. Specially designed and validated conversion tables are used to convert raw scores from questionnaires to Rasch calibrated measures.
6 weeks
Self-reported Health Outcome
A validated self-reported health questionnaire is used where a descriptive and vertical Visual Analogue Scale (VAS) are used. The descriptive scale assesses 5 domains at three levels of difficulty (no / some / extreme problems). The VAS is used to to record patients' self-reported health on a scale from 0-100 (100/100 being excellent health, 0/100 being very poor health.
6 weeks
Patient Reported Symptoms (Speed II questinnaire)
A validated questionnaire is used with a grading system to grade severity of dry eye . symptoms. Score out of 28. Higher the score, the more significant the dry eye symptoms.
6 weeks
Secondary Outcomes (5)
Visual Acuity
6 weeks
Cornea and Conjunctival Staining Scores
6 weeks
Schirmer 1 test
6 weeks
Tear Break up Time
6 weeks
Cataract incision site and size
6 weeks
Study Arms (2)
Experimental Arm
EXPERIMENTALExperimental arm receives lubricant eye-drops (phosphate-free, preservative-free lubricant eye drops containing 0.15% Sodium Hyaluronate with vitamins A and E (AEONTM Repair) to be administered four times a day for 6 weeks following cataract surgery (in addition to the usual post-operative topical medications of Chloramphenicol 0.5 % eye drops for 1 week and topical dexamethasone 0.1% eyedrops (Maxidex) four times a day for 4 weeks).
Control Arm
ACTIVE COMPARATORThe control arm group receive the usual post-operative topical medications of Chloramphenicol 0.5 % eye drops for 1 week and topical dexamethasone 0.1% eyedrops (Maxidex) four times a day for 4 weeks after cataract surgery.
Interventions
Dexamethasone 0.1% eye drops QDS for 4 weeks Chloramphenicol 0.5% eye drops QDS for 1 week
Eligibility Criteria
You may qualify if:
- Bilateral or unilateral cataracts requiring surgical intervention
- Age over 18 years
- Able to understand informed consent and the objectives of the trial
- Not pregnant, not breast feeding
- No previous eye surgery
You may not qualify if:
- age-related macula degeneration
- glaucoma
- previous retinal vascular disorders
- previous retinal detachment or tear
- any neuro-ophthalmological condition
- any inherited retinal disorder or pathology
- previous strabismus surgery or record of amblyopia
- previous TIA, CVA or other vaso-occlusive disease
- already enrolled in another study
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Guy's and St Thomas' NHS Foundation Trustlead
- City, University of Londoncollaborator
- King's College Londoncollaborator
Study Sites (1)
St Thomas' Hospital NHS Trust London
London, SE1 7EH, United Kingdom
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
October 16, 2019
First Posted
October 18, 2019
Study Start
October 14, 2019
Primary Completion
June 1, 2020
Study Completion
June 1, 2020
Last Updated
October 18, 2019
Record last verified: 2019-10
Data Sharing
- IPD Sharing
- Will not share