NCT03519919

Brief Summary

The objective of the study is to evaluate the performance of somofilcon A 1 day multifocal when worn on a daily disposable wear modality over a period of up to 3 weeks.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
51

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Aug 2017

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

Study Start

First participant enrolled

August 21, 2017

Completed
8 months until next milestone

First Submitted

Initial submission to the registry

May 1, 2018

Completed
8 days until next milestone

First Posted

Study publicly available on registry

May 9, 2018

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 22, 2018

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

February 15, 2019

Completed
10 months until next milestone

Results Posted

Study results publicly available

December 10, 2019

Completed
Last Updated

December 19, 2019

Status Verified

December 1, 2019

Enrollment Period

1.1 years

First QC Date

May 1, 2018

Results QC Date

October 23, 2019

Last Update Submit

December 10, 2019

Conditions

Outcome Measures

Primary Outcomes (2)

  • Vision Clarity During the Day - Distance Vision

    Subjective expectation -Vision clarity during the day - distance vision was measured from three subjective expectation responses completed at the office. The responses were assigned numbers as below: Fell short of expectations = 1 Met my expectations = 2 Exceeded my expectations = 3

    Baseline

  • Vision Clarity During the Day - Distance Vision

    Subjective expectation - Vision clarity during the day - distance vision was measured from three subjective expectation responses completed at the office. The responses were assigned numbers as below: Fell short of expectations = 1 Met my expectations = 2 Exceeded my expectations = 3

    3 weeks

Secondary Outcomes (30)

  • Number of Participants With Lens Centration

    Baseline

  • Number of Participants With Lens Centration

    3 weeks

  • Visual Acuity

    Baseline

  • Visual Acuity

    3 weeks

  • Post-blink Lens Movement

    Baseline

  • +25 more secondary outcomes

Study Arms (1)

Somofilcon A multifocal lens

EXPERIMENTAL

Habitual wearers of multifocal contact lenses will be refit to somofilcon A multifocal lens and provide a subjective assessment.

Device: somofilcon A multifocal lens

Interventions

contact lens

Also known as: clarifi multifocal lens
Somofilcon A multifocal lens

Eligibility Criteria

Age17 Years+
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Is at least 17 years of age 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;
  • Has had a self-reported oculo-visual examination in the last two years.
  • Currently wears multifocal soft contact lenses, and have worn multifocal contact lenses for at least one month;
  • Presently wears lenses for minimum wear 4 days/week and 10 hours/day
  • Participant has an anticipated ability to wear test lenses for minimum 5 days/week and 10 hours/day.
  • Can be fit with the available test contact lens power range to achieve satisfactory vision i.e. 0.18 logMar (20/30) binocular distance acuity with the test lenses.
  • Current refraction indicates a reading addition of +1.50 or higher
  • Uses a digital device (computer/laptop/tablet etc.) for at least 5hrs/day
  • Spends 10 hrs or more indoors at least 5 days/week
  • Possesses a smartphone and is willing to download the MetricWire app to receive

You may not qualify if:

  • Is presently wearing Clariti 1 day multifocal lenses
  • Has astigmatism greater than -0.75 DCyl as determined with subjective refraction
  • Is participating in any concurrent clinical or research study;
  • Has any known active\* ocular disease and/or infection;
  • Has a systemic 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 a study outcome variable;
  • Has known sensitivity to fluorescein dye or products to be used in the study;
  • Is pregnant, lactating or planning a pregnancy at the time of enrolment (by verbal confirmation at the screening visit);
  • Is aphakic;
  • Has undergone refractive error surgery;
  • Is an employee of the Centre for Contact Lens Research

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Center for Contact Lens Research, University of Waterloo

Waterloo, Ontario, N2L 3G1, Canada

Location

MeSH Terms

Conditions

Presbyopia

Condition Hierarchy (Ancestors)

Refractive ErrorsEye Diseases

Results Point of Contact

Title
Jose A. Vega, O.D., MSc., FAAO
Organization
CooperVision.Inc

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 1, 2018

First Posted

May 9, 2018

Study Start

August 21, 2017

Primary Completion

September 22, 2018

Study Completion

February 15, 2019

Last Updated

December 19, 2019

Results First Posted

December 10, 2019

Record last verified: 2019-12

Locations