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OpenTrials
Completed

NCT Number: NCT03994406

Prolongation of Contact Lens Comfortable Wear Duration by CLM2 Topical Gel

This study compares contact lens comfortable wear duration, and signs and symptoms of contact lens discomfort, test versus control.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2

Primary location

UC Berkeley Clinical Research Center

Berkeley, California, 94720-2020, United States

About this study

The clinical hypothesis is that CLM2 topical gel applied dermally on the forehead twice daily will be more effective than placebo (a) in reducing or eliminating ocular discomfort associated with contact lens wear, (b) prolong hours of comfortable wear, (c) prolong total hours of contact lens wear, (d) improve ease of insertion and removal of contact lens, and ( c) reduces friction between cornea/lens and lens/eyelid, without use of artificial eye drops or gels. One mechanism supporting this hypothesis is preliminary evidence of increased meibum secretion following CLM2 topical gel application.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Male or female of any race ≥18 years of age at Visit 1 Screening.
  • Has provided verbal and written informed consent.
  • Be able and willing to follow instructions, including participation in all study assessments and visits.
  • Has been wearing soft contact lens in both eyes at least 2 days per week for at least a month.
  • Duration of comfortable lens wear daily is less than desired.
  • Suffers from at least two other symptoms while wearing lens with contact lens discomfort of grade 2 or higher:
  • Dryness.
  • Grittiness
  • Blurred vision
  • Itching
  • Conjunctival redness
  • Burning
  • Stinging.
  • Lens awareness
  • Use of artificial tears or gels two or more times a day during contact lens wear hours.
  • Berkeley Dry Eye Flow Chart (DEFC) score ≥3.

Exclusion criteria

  • BCVA at baseline <20/40.
  • Wearing contact lens only in one eye.
  • Wearers of the following contact lenses: Extended wear, prosthetic, scleral, and intracorneal gas permeable.
  • Pregnant women or women of childbearing potential who are not using contraception.
  • Diagnosis of the following autoimmune diseases: Addison's disease, Grave's disease, Hashimoto's thyroiditis, lupus, and Sjogren's syndrome.
  • Comorbidity with other severe or chronic eye conditions that in the judgment of the investigator will interfere with study assessments, such dystrophies, infections, etc.
  • Has a condition or be in a situation that, the opinion of the investigator, that may interfere significantly with the subject's participation in the study. No active ocular condition or disease.
  • Has a known adverse reaction and/or sensitivity to either study drug or its components.
  • Unwilling to remove contact lens overnight.
  • Unwilling to attempt to wear contact lens seven (7) days a week during the study period.
  • Plan to change brand of contact lens during study period.
  • Unwilling to wear contact lens for at least 10 hours if comfort permits, or until discomfort requires removal of contact lens prior to 10 hours.
  • Unwilling to discontinue swimming with immersed head for the duration of the study.
  • Unwilling to withhold the use of artificial tears, gels, or wetting agents during periods when contact lens is worn during the study period.
  • Cannot withhold the following medications during the study period:

antihistamines, some diuretics, antidepressants, antipsychotics, Restasis, Xiidra, Accutane, glaucoma medications, other anti-cholinergics; as well as gabapentin.

  • Currently enrolled in an investigational drug or device study or have used an investigational drug or device within 30 days prior to Visit 1.

Treatment and study plan

CLM2 topical gel

Drug

Active topical gel for forehead dermal application

Placebo Topical Gel

Drug

Placebo topical gel for forehead dermal application

Primary outcomes

  1. Hours of continuous comfortable contact lens wear

    Time frame: 21 days

    Change in total hours per day

  2. Contact Lens Questionnaire-8 (CLDEQ-8)

    Time frame: 21 days

    Change in total score (0-37 worst)

  3. Berkeley Dry Eye Flow Chart

    Time frame: 21 days

    Change in grade (1-5 worst)

  4. Fluorescein corneal staining

    Time frame: 21 days

    Change in score (0-3 worst)

Secondary outcomes

  1. Eye discomfort from CLDEQ-8, frequency

    Time frame: 21 days

    Change in score (0-4 worst)

  2. Eye discomfort from CLDEQ-8, intensity

    Time frame: 21 days

    Change in score (0-5 worst)

  3. Glia contact lens symptoms questionnaire

    Time frame: 21 days

    Change in total score (0-64)

  4. Fluorescein conjunctival staining

    Time frame: 21 days

    Change in conjunctival staining (0-3 worst)

  5. Tear film examination by TearScan

    Time frame: 60-80 minutes

    Change in total score (0-3 best)

  6. Tear film examination by TearScan

    Time frame: 21 days

    Change in total score (0-3 best)

  7. Tear film breakup time

    Time frame: 60-80 minutes

    Change in score (seconds)

  8. Tear film breakup time

    Time frame: 21 days

    Change in score (seconds)

  9. Tear meniscus height

    Time frame: 60-80 minutes

    Change in height (mm)

  10. Tear meniscus height

    Time frame: 21 days

    Change in height (mm)

  11. Visual acuity

    Time frame: 21 days

    Change in visual acuity

  12. Tear osmolarity

    Time frame: 21 days

    Change in tear osmolarity (mOsm/L)

  13. Schirmer test

    Time frame: 21 days

    Change in wetting length (mm)

Sponsors and collaborators

Lead sponsor

Glia, LLC

Industry

Registry information

Official study title

A Controlled Phase 2 Study for Prolongation of Contact Lens Comfortable Wear Duration by CLM2 Topical Gel

Important dates

Study start
2019
Primary completion
2019
Study completion
2019
First posted
Jun 21, 2019
Registry last updated
Mar 24, 2023

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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