NCT03994406

Brief Summary

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

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
30

participants targeted

Target at P25-P50 for phase_2

Timeline
Completed

Started Jun 2019

Shorter than P25 for phase_2

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 20, 2019

Completed
1 day until next milestone

First Posted

Study publicly available on registry

June 21, 2019

Completed
6 days until next milestone

Study Start

First participant enrolled

June 27, 2019

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 30, 2019

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

October 30, 2019

Completed
Last Updated

March 24, 2023

Status Verified

March 1, 2023

Enrollment Period

2 months

First QC Date

June 20, 2019

Last Update Submit

March 23, 2023

Conditions

Keywords

contact lensocular erythemacontact lens discomfort

Outcome Measures

Primary Outcomes (4)

  • Hours of continuous comfortable contact lens wear

    Change in total hours per day

    21 days

  • Contact Lens Questionnaire-8 (CLDEQ-8)

    Change in total score (0-37 worst)

    21 days

  • Berkeley Dry Eye Flow Chart

    Change in grade (1-5 worst)

    21 days

  • Fluorescein corneal staining

    Change in score (0-3 worst)

    21 days

Secondary Outcomes (13)

  • Eye discomfort from CLDEQ-8, frequency

    21 days

  • Eye discomfort from CLDEQ-8, intensity

    21 days

  • Glia contact lens symptoms questionnaire

    21 days

  • Fluorescein conjunctival staining

    21 days

  • Tear film examination by TearScan

    60-80 minutes

  • +8 more secondary outcomes

Study Arms (2)

CLM2 Topical Gel

EXPERIMENTAL

CLM2 topical gel to be applied dermally to forehead twice daily, in the morning and at bedtime.

Drug: CLM2 topical gel

Placebo Topical Gel

PLACEBO COMPARATOR

Placebo topical gel to be applied dermally to forehead twice daily, in the morning and at bedtime.

Drug: Placebo topical gel

Interventions

Active topical gel for forehead dermal application

CLM2 Topical Gel

Placebo topical gel for forehead dermal application

Placebo Topical Gel

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • 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.
  • +1 more criteria

You may not qualify if:

  • 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:
  • +2 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

UC Berkeley Clinical Research Center

Berkeley, California, 94720-2020, United States

Location

Study Officials

  • Meng C. Lin, OD,PhD,FAAO

    University of California, Berkeley

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
3-digit randomized number assignment with matching by age within 10 years, and within 5 years of lens wear. Study drug:placebo, 1:1.
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: 1:1, study drug:placebo; block design.
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 20, 2019

First Posted

June 21, 2019

Study Start

June 27, 2019

Primary Completion

August 30, 2019

Study Completion

October 30, 2019

Last Updated

March 24, 2023

Record last verified: 2023-03

Data Sharing

IPD Sharing
Will not share

Locations