Eyelid Warming Technology for Meibomian Gland Dysfunction

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

75 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-12-31

Study Completion Date

2013-12-31

Brief Summary

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Meibomian gland dysfunction (MGD), an extremely common clinical condition (seen in more than half of some Asian populations), affects the lipid producing meibomian glands in the eyelids. One function of the glandular secretions is to reduce evaporation of the tear film. In MGD the meibomian glands may become blocked for various reasons. The consequential retention and stasis of the secretion increases immune response as well as scarring response. This eventually results in an abnormal tear film and dry eye symptoms.

The current standard treatments include warm moist compresses, regular lid hygiene, oral antibiotics, topical antibiotic ointments and Omega 3 supplementation. Heating for an extended duration is important because it relieves the occlusion of blocked meibomian glands. However, improvised methods of heating are cumbersome and inefficient requiring repeated measures, often leading to lack of compliance. Today, there is a wider range of commercially available devices that help to unblock meibomian glands and relief dry eye symptoms. These devices may improve MGD treatment dramatically, but have not been tested in the warm climate of Singapore, and are not readily available.

The current study aims to test the efficacy of treatment for devices that utilize A) warm moisture (Blephasteam) and B) warmth (EyeGiene) in patients suffering from meibomian gland dysfunction. Patients will be asked to use Blephasteam and EyeGiene for a period of 4 weeks. The study will monitor patients for changes in tear film and lipid composition, as well as changes in the anatomy of meibomian glands. Additionally, dry eye symptoms will be documented in form of questionnaires. If the newer methods of managing MGD are found to be efficacious and safe, these treatment measures can be made available to patients in Singapore.

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Detailed Description

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Study Objectives and Purpose:

1. A primary purpose of the study is to compare the efficacy of novel eyelid warming devices (Blephasteam and EyeGiene) for treatment of meibomian gland dysfunction by objective clinical scoring and objective assessment of ocular surface parameters in an Asian population.
2. The second aim is to assess the patient acceptance of these modalities, in terms of comfort and convenience.
3. A third aim of the study is to document Meibomian gland disease using non-invasive Meibography, and the possible alterations of this condition after treatment.

Study Design: Prospective, controlled, single masked, interventional study

Rationale:

Meibomian gland dysfunction and resulting evaporative dry eye is highly common in our general population. Behavioral factors and environmental stress may contribute to the severity of the disease. Eyelid warming devices have the potential to significantly improve meibomian gland health and alleviate dry eye symptoms associated with the disease. Currently eyelid warming devices suitable for treatment of meibomian gland dysfunction are not available in Singapore.

Recent technological advances, as well as the infrastructure of the Singapore Eye Research Institute (proximity to Singapore National Eye Center and pre-existing facility and infrastructure for clinical trials) have facilitated studies of products that are available elsewhere and may benefit the Singaporean population.

Methods:

Participants and target sample size Seventy-five patients from the dry eye clinic in the Singapore National Eye Center who have obstructive meibomian gland dysfunction and are keen to test alternative ways for treating the disease will be selected.

Randomisation is done by randomisation table as deemed appropriate by the statistician collaborator.

Treatment regime After informed written consent, patients will be randomly assigned to a group.

1. Control group, 10-minute treatment, twice daily
2. Blephasteam, 10-minute treatment, twice daily
3. EyeGiene, 10-minute treatment, twice daily

All patients are permitted to continue their regular management of MGD such as use of lid scrubs or lid hygiene preparations (such as Lidcare and Blephagel). For consistency, the investigators will monitor the use of such measures in a daily diary and prohibit any other types of treatment for MGD such as Omega-3 tablets, antibiotic or steroid ointments, probing of MG.

Visit schedules Screening visit will be performed at the regular dry eye clinic. If eligible, patients will sign consent and undergo baseline examination.

Subsequent to this, the follow up visit will be after 4 weeks of treatment. A window period of

+/-3days is permitted for this visit.

Duration of study:

Four weeks.

Conditions

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Meibomian Gland Dysfunction

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Investigators

Study Groups

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EyeGiene

EyeGiene (Eyedetec Medical Inc., US) is a self-contained, convenient warm compress system for the eyes. The system is composed of a reusable eye mask and one time use warmers that are inserted into the eye mask. The warming units are activated by squeezing just prior use and deliver 40°C heat for up to 5 minutes within 30-60 seconds.

Group Type ACTIVE_COMPARATOR

EyeGiene

Intervention Type DEVICE

10 minute treatment, twice daily

Blephasteam

Blephasteam (Spectrum Théa, France) is an eyelid warming device that can be conveniently used at home. The goggles provide standardised heat of about 38 degrees to liquefy lipids and also humidify the chambers with mineral water to ensure optimal moisture levels.

Group Type ACTIVE_COMPARATOR

Blephasteam

Intervention Type DEVICE

10 minute treatment twice daily

Control- Hot Compress

The participants in this group will be using warm compresses with a hot towel.

Group Type PLACEBO_COMPARATOR

Hot compresses

Intervention Type DEVICE

10 minute treatment, twice daily

Interventions

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Blephasteam

10 minute treatment twice daily

Intervention Type DEVICE

EyeGiene

10 minute treatment, twice daily

Intervention Type DEVICE

Hot compresses

10 minute treatment, twice daily

Intervention Type DEVICE

Other Intervention Names

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Spectrum Théa, France Eyedetec Medical Inc., US

Eligibility Criteria

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Inclusion Criteria

* Eyelids must present with blocked meibomian gland openings (plugs), at least 1 visible MG plug in the 4 eyelids, or discernable change in consistency of meibum when MG expressed in upper or lower eyelids.
* At least one out of 8 questions on dry eye symptoms is answered with often or all the time (Appendix C, Questionnaire modified after Schein et al.,1997).
* Eyes should not show any other ocular surface pathology which required more treatment than eye lubricant and conventional eyelid hygiene.

Exclusion Criteria

* Known history of thyroid disorders (diagnosed by physician).
* No ocular surgery within the previous 6 months and LASIK within the previous 1 year.
* Any intake of central nervous system and hormonal drugs within last 30 days and inability to withhold such drugs for at least 6 weeks.
* Active ocular infection or pterygium.
* Anticipated necessity to wear contact lens in the duration of the study.
* Living in the same household as another participant of the study.
* Any other specified reason as determined by clinical investigator, for example, the need to use any treatment or eyedrops (eg. Restasis) not permitted by the study.

Minimum Eligible Age

21 Years

Maximum Eligible Age

90 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No