Evaluation of the Effectiveness of Three Tear Substitute Formulations in Postoperative Discomfort After Cataract Surgery
DRY-CAT
1 other identifier
observational
300
1 country
1
Brief Summary
The primary objective of this study is the assessment of three tear substitute formulations in terms of postoperative discomfort following cataract extraction surgery by means of phacoemulsification and intraocular lens implantation.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started May 2026
Shorter than P25 for all trials
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
May 1, 2026
CompletedFirst Submitted
Initial submission to the registry
May 6, 2026
CompletedFirst Posted
Study publicly available on registry
May 12, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 31, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
May 1, 2027
May 12, 2026
May 1, 2026
8 months
May 6, 2026
May 6, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Ocular Surface Disease Index (OSDI)
A subjective parameter that quantifies corneal discomfort
12 weeks
Tear Break-up Time (TBUT)
An objective parameter that quantifies stability of tear film
12 weeks
Secondary Outcomes (2)
Schirmer test (basal tear production)
12 weeks
Efron scale for bulbar redness
12 weeks
Study Arms (3)
Study Group 1
Sodium Hyaluronate 0.15% and Dexpanthenol 2% drops (Hylopan max)
Study Group 2
Sodium Hyaluronate 0.15% and Trehalose 3% drops (Thealoz duo)
Study Group 3
Sodium Hyaluronate 0.2% and Amino acids drops (Helenvision ultra)
Interventions
Cataract patients will be administered Drops of Sodium Hyaluronate 0.15% and Dexpanthenol 2% quid in their postoperative regimen
Cataract patients will be administered Drops of Sodium Hyaluronate 0.15% and Trehalose 3% quid in their postoperative regimen
Cataract patients will be administered Drops of Sodium Hyaluronate 0.2% and Amino acids quid in their postoperative regimen
Eligibility Criteria
Patients who underwent cataract extraction surgery
You may qualify if:
- Diagnosis of senile cataract with stage 2 or 3 nuclear opalescence according to the - Lens Opacities Classification System III (LOCS-3) grading scale
You may not qualify if:
- Former incisional surgery
- Former diagnosis of corneal disease
- Autoimmune diseases
- Mental diseases
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University Hospital of Alexandroupolis
Alexandroupoli, Evros, 68100, Greece
Related Publications (2)
Labiris G, Ntonti P, Sideroudi H, Kozobolis V. Impact of polyethylene glycol 400/propylene glycol/hydroxypropyl-guar and 0.1% sodium hyaluronate on postoperative discomfort following cataract extraction surgery: a comparative study. Eye Vis (Lond). 2017 May 10;4:13. doi: 10.1186/s40662-017-0079-5. eCollection 2017.
PMID: 28497070BACKGROUNDNtonti P, Panagiotopoulou EK, Karastatiras G, Breyannis N, Tsironi S, Labiris G. Impact of 0.1% sodium hyaluronate and 0.2% sodium hyaluronate artificial tears on postoperative discomfort following cataract extraction surgery: a comparative study. Eye Vis (Lond). 2019 Feb 11;6:6. doi: 10.1186/s40662-019-0131-8. eCollection 2019.
PMID: 30805405BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY CHAIR
Georgios Labiris, MD, Prof
Democritus University of Thrace
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor of Ophthalmology
Study Record Dates
First Submitted
May 6, 2026
First Posted
May 12, 2026
Study Start
May 1, 2026
Primary Completion (Estimated)
December 31, 2026
Study Completion (Estimated)
May 1, 2027
Last Updated
May 12, 2026
Record last verified: 2026-05