NCT05114564

Brief Summary

The objective of the study is to evaluate the clinical performance of two monthly silicone hydrogel contact lenses in habitual wearers of frequent replacement (FRP) lenses when worn for one month.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
66

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Nov 2021

Shorter than P25 for not_applicable

Geographic Reach
1 country

4 active sites

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

October 29, 2021

Completed
12 days until next milestone

First Posted

Study publicly available on registry

November 10, 2021

Completed
9 days until next milestone

Study Start

First participant enrolled

November 19, 2021

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 22, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 22, 2022

Completed
12 months until next milestone

Results Posted

Study results publicly available

April 4, 2023

Completed
Last Updated

April 4, 2023

Status Verified

March 1, 2023

Enrollment Period

5 months

First QC Date

October 29, 2021

Results QC Date

March 9, 2023

Last Update Submit

March 9, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • Subjective Ratings on Lens Handling on Removal

    Subjective Ratings on Lens handling on removal (0-10 scale, 0.5 steps; 10=very easy, 0=very difficult)

    Day 27

Study Arms (2)

Lens A, Then Lens B

EXPERIMENTAL

Participants will wear Lens A for one month and then cross over to wear Lens B for one month.

Device: Lens A (comfilcon A lens)Device: Lens B (lehfilcon A lens)

Lens B, Then Lens A

EXPERIMENTAL

Participants will wear Lens B for one month and then cross over to wear Lens A for one month.

Device: Lens A (comfilcon A lens)Device: Lens B (lehfilcon A lens)

Interventions

1 month

Lens A, Then Lens BLens B, Then Lens A

1 month

Lens A, Then Lens BLens B, Then Lens A

Eligibility Criteria

Age18 Years - 35 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Is at least 18 years of age and no older than 35 years, and has full legal capacity to volunteer;
  • Has read and signed an information consent letter;
  • Is willing and able to follow instructions and maintain the appointment schedule;
  • Self-reports having a full eye examination in the previous two years;
  • Self-reports spending on most days at least 6 hours cumulative (not necessarily in one single stretch) using digital devices such as a computer, laptop, tablet, e-reader, smartphone;
  • Has healthy eyes with no health condition or medication that contra-indicate contact lens wear, in the opinion of the investigator;
  • Anticipates being able to wear the study lenses for at least 8 hours a day, 6 days a week;
  • Habitually wears soft frequent replacement contact lenses, for the past 3 months minimum (NOTE: the habitual contact lens brand is restricted such that no more than one third are to be the Biofinity brand (or their equivalent private label brand name) and no more than one third are to be an Alcon brand;
  • Has refractive astigmatism no higher than -0.75DC in each eye;
  • Can be fit and achieve binocular distance vision of at least 20/30 Snellen (Available lens parameters are sphere +6.00 to -6.00D, 0.25D steps).

You may not qualify if:

  • Is participating in any concurrent clinical or research study;
  • Has any known active ocular disease and/or infection that contraindicates contact lens wear;
  • Has a systemic or ocular condition that in the opinion of the investigator may affect a study outcome variable;
  • Is using any systemic or topical medications that in the opinion of the investigator may affect contact lens wear or a study outcome variable;
  • Has known sensitivity to the diagnostic sodium fluorescein used in the study;
  • Self-reports as pregnant, lactating or planning a pregnancy at the time of enrolment;
  • Has undergone refractive error surgery or intraocular surgery.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (4)

Complete Eye Care of Medina

Medina, Minnesota, 55340, United States

Location

Sacco Eye Group

Vestal, New York, 13850, United States

Location

Athens Eye Care

Athens, Ohio, 45701, United States

Location

ProCare Vision Center

Granville, Ohio, 43023, United States

Location

MeSH Terms

Conditions

MyopiaHyperopia

Condition Hierarchy (Ancestors)

Refractive ErrorsEye Diseases

Results Point of Contact

Title
José A. Vega, O.D., MSc., FAAO
Organization
CooperVision

Study Officials

  • Lyndon Jones, PhD FCOptom

    Centre for Ocular Research and Education

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
CROSSOVER
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 29, 2021

First Posted

November 10, 2021

Study Start

November 19, 2021

Primary Completion

April 22, 2022

Study Completion

April 22, 2022

Last Updated

April 4, 2023

Results First Posted

April 4, 2023

Record last verified: 2023-03

Locations