Treatment of Demodex Blepharitis With Ivermectin Gel 0.1% Plus Metronidazole 1%

Sponsor
Universidad Nacional de Colombia (Other)
Overall Status
Completed
CT.gov ID
NCT02236403
Collaborator
(none)
60
1
2
3
19.9

Study Details

Study Description

Brief Summary

Blepharitis is a endemic inflammatory disease caused mainly by Demodex folliculorum and Demodex Brevis, This mites are often associated with anaerobic bacteria that produces a skin inflammation, so a intervention that reduces the number of mites and bacteria would be desirable. Ivermectin a macrolid compound have demonstrated activity against scabies and lice in humans and in animals and a single application have show a good response in lice eradication.

In this study , investigators will determinate the security and effectiveness of this compound in the eradication of mites

Condition or Disease Intervention/Treatment Phase
  • Drug: Ivermectin 0.1% Metronidazole 1%
  • Other: None intervention
Phase 3

Study Design

Study Type:
Interventional
Actual Enrollment :
60 participants
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Masking:
Double (Participant, Care Provider)
Primary Purpose:
Treatment
Official Title:
Diagnosis of Demodex Blapharitis and Treatment With Ivermectin Gel 0.1%/ Metronidazole 1%
Study Start Date :
Oct 1, 2014
Actual Primary Completion Date :
Jan 1, 2015
Actual Study Completion Date :
Jan 1, 2015

Arms and Interventions

Arm Intervention/Treatment
Experimental: Ivermectin 0.1% Metronidazole 1%

30 patients will receive the treatment and at 15 days a second visit will be done and changes in mite counts will be determinated and correlated with symtoms and signs.

Drug: Ivermectin 0.1% Metronidazole 1%
Other Names:
  • 22,23-dihydroavermectin B1a + 22,23-dihydroavermectin B1b
  • Placebo Comparator: Control

    30 volunters with no signs of blepharitis and with eyelashes with no demodex .None intervention. Symptoms and signs will be compared with experimental group

    Other: None intervention
    Volunteers with no signs of blepharitis and with eyelashes with no demodex. Symptoms and signs will be compared with experimental group

    Outcome Measures

    Primary Outcome Measures

    1. Erradication of Demodex mites [2 months]

      Reduction in mites count after treatment compared to baseline data. If mites are not observed in the last visit a complete eradication will be considered. Patients with one or more mites will be considered as a incomplete eradication

    Secondary Outcome Measures

    1. Change in lid margin rednes and bulbar conjunctival hyperemia categorized from 0 (none) to 3 (severe) according to the next score [2 months]

      Change in lid margin rednes and bulbar conjunctival hyperemia categorized from 0 (none) to 3 (severe) according to the next score None (0) = normal Mild (1) = Slight localized injection Moderate (2) = pink color Severe (3) = dark redness

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    18 Years to 80 Years
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    Yes
    Inclusion Criteria:
    • • Patients with symptomatic Demodex blepharitis for duration of at least 3 months.

    • Age range: 18 yeras and older.

    • Both genders and all ethnic groups comparable with the local community.

    • Able to understand and willing to sign a written informed consent

    • Able and willing to cooperate with the investigational plan.

    • Able and willing to complete all mandatory follow-up visits.

    Exclusion Criteria:
    • • Patients who are currently engaged in another clinical trial, unwilling or unable to give consent, to accept randomization, or to return for scheduled visits.

    • Children under 18.

    • Pregnant women or expecting to be pregnant during the study.

    • Systemic immune deficient conditions such as AIDS or under systemic immunosuppressant.

    • Concomitant use of ophthalmic topical medications (excluding non-preserved tear substitutes).

    • Concomitant use of systemic antibiotics or steroids.

    • Contact lens wear

    • Active ocular infection or allergy

    • Unable to close eyes or uncontrolled blinking Previous allergic reaction to metronidazole and / or ivermectin

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 Hospital de Engativa Bogotá Colombia

    Sponsors and Collaborators

    • Universidad Nacional de Colombia

    Investigators

    None specified.

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    None provided.
    Responsible Party:
    Universidad Nacional de Colombia
    ClinicalTrials.gov Identifier:
    NCT02236403
    Other Study ID Numbers:
    • demodex0.1
    First Posted:
    Sep 10, 2014
    Last Update Posted:
    May 6, 2021
    Last Verified:
    May 1, 2021
    Keywords provided by Universidad Nacional de Colombia
    Additional relevant MeSH terms:

    Study Results

    No Results Posted as of May 6, 2021