Efficiency & Changes of Cytokines Expression in Tear After Intense Pulsed

Status Completed

Clinical Trial Summary

The aim of the current study is to investigate changes of tear cytokines levels as well as the efficacy and the reduction of demodex infestation after OPT IPL treatment in patients with meibomian gland dysfunction-Associated demodicosis. The effect of OPT IPL will be examined in a study designed as a randomised controlled trial. In the study arm, subjects will undergo 4 treatment sessions, consisting of OPT IPL pulses immediately followed by meibomian gland expression (MGX). In the control arm, subjects will undergo the same treatments, except that the OPT IPL pulses will be disabled. For each subject, the duration of the study will be 2 months , as explained in the detailed description.

Clinical Trial Description

All subjects will receive 4 treatments at 2 weeks intervals. In each treatment session, a subject allocated to the study group will be treated with Optimal pulsed technology intense pulsed light (OPT IPL) administered in the malar region, from tragus to tragus including the nose, 2-3 mm below the lower eyelids. Immediately following the OPT IPL administration, the subject will undergo meibomian gland expression (MGX) in both eyelids of both eyes. Subjects in the control arm will receive exactly the same treatment, except that the OPT IPL administration will be sham. A single follow-up will occur at 2 months after the baseline (or 2 weeks after the 4th treatment session). At the follow-up, the changes in the outcome measures will be evaluated, and compared between the two arms.

For each subject, the duration of the study will be 2 months: 1st treatment at baseline; 2nd treatment at 2 weeks after baseline; 3rd treatment at 4 weeks after baseline; 4th treatment at 6 weeks after baseline; and a single follow-up at 8 weeks after baseline).

Statistically significant differences between the two arms will support the study hypothesis that IPL treatment is potentially reduce demodex counts and decrease levels of cytokines , and relief to both signs and symptoms of dry eye disease. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04165785
Study type	Interventional
Source	First Affiliated Hospital of Harbin Medical University
Contact
Status	Completed
Phase	N/A
Start date	August 20, 2018
Completion date	July 28, 2019

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Efficiency and Changes of Cytokines Expression in Tear After Intense Pulsed Light Treating Dry Eye Disease

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms