Trial Outcomes & Findings for Refitting Somofilcon A Sphere Contact Lens Wearers Into Fanfilcon A Sphere Lenses for 4-Weeks of Wear (NCT NCT03974802)

NCT ID: NCT03974802

Last Updated: 2020-08-18

Results Overview

Lens Centration was measured using a 3-point scale (1=optimal centration, 2=decentration acceptable, 3=decentration unacceptable).

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

41 participants

Primary outcome timeframe

Baseline

Results posted on

2020-08-18

Participant Flow

Participant milestones

Participant milestones
Measure
Somofilcon A (Habitual) Lens, Then Fanfilcon A (Test) Lens
Participants wore somofilcon A lens (habitual) for 4- weeks and refitted with fanfilcon A lens (test) for 4-weeks. somofilcon A contact lens: Contact Lens fanfilcon A contact lens: Contact Lens
Overall Study
STARTED
41
Overall Study
COMPLETED
41
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Overall Study
n=41 Participants
Participants wore somofilcon A lens (habitual) for 4- weeks and refitted with fanfilcon A lens (test) for 4-weeks. somofilcon A contact lens: Contact Lens fanfilcon A contact lens: Contact Lens
Age, Categorical
<=18 years
0 Participants
n=41 Participants
Age, Categorical
Between 18 and 65 years
41 Participants
n=41 Participants
Age, Categorical
>=65 years
0 Participants
n=41 Participants
Age, Continuous
26.1 years
STANDARD_DEVIATION 7.2 • n=41 Participants
Sex: Female, Male
Female
31 Participants
n=41 Participants
Sex: Female, Male
Male
10 Participants
n=41 Participants
Region of Enrollment
Mexico
41 participants
n=41 Participants

PRIMARY outcome

Timeframe: Baseline

Lens Centration was measured using a 3-point scale (1=optimal centration, 2=decentration acceptable, 3=decentration unacceptable).

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Lens Centration for Somofilcon A (Habitual) Lens
Optimum
100 percentage of participants
Lens Centration for Somofilcon A (Habitual) Lens
Decentration Acceptable
0 percentage of participants
Lens Centration for Somofilcon A (Habitual) Lens
Decentration Unacceptable
0 percentage of participants

PRIMARY outcome

Timeframe: 4- weeks

Lens Centration was measured using a 3-point scale (1=optimal centration, 2=decentration acceptable, 3=decentration unacceptable).

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Lens Centration for Somofilcon A (Habitual) Lens
Optimum
100 percentage of participants
Lens Centration for Somofilcon A (Habitual) Lens
Decentartion Acceptable
0 percentage of participants
Lens Centration for Somofilcon A (Habitual) Lens
Decentration Unacceptable
0 percentage of participants

PRIMARY outcome

Timeframe: Baseline

Lens Centration was measured using a 3-point scale (1=optimal centration, 2=decentration acceptable, 3=decentration unacceptable).

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Lens Centration for Fanfilcon A (Test) Lens
Optimum
100 percentage of participants
Lens Centration for Fanfilcon A (Test) Lens
Decentration Acceptable
0 percentage of participants
Lens Centration for Fanfilcon A (Test) Lens
Decentration Unacceptable
0 percentage of participants

PRIMARY outcome

Timeframe: 2-weeks

Lens Centration was measured using a 3-point scale (1=optimal centration, 2=decentration acceptable, 3=decentration unacceptable).

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Lens Centration for Fanfilcon A (Test) Lens
Optimum
100 percentage of participants
Lens Centration for Fanfilcon A (Test) Lens
Decentration Acceptable
0 percentage of participants
Lens Centration for Fanfilcon A (Test) Lens
Decentration Unacceptable
0 percentage of participants

PRIMARY outcome

Timeframe: 4- weeks

Lens Centration was measured using a 3-point scale(1=optimal centration, 2=decentration acceptable, 3=decentration unacceptable).

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Lens Centration for Fanfilcon A (Test) Lens
Optimum
100 percentage of participants
Lens Centration for Fanfilcon A (Test) Lens
Decentration Acceptable
0 percentage of participants
Lens Centration for Fanfilcon A (Test) Lens
Decentration Unacceptable
0 percentage of participants

PRIMARY outcome

Timeframe: Baseline

Lens Corneal Coverage was rated as either Yes or No (Yes = full corneal coverage all time / no= incomplete corneal coverage)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Lens Corneal Coverage for Somofilcon A (Habitual) Lens
Yes
100 percentage of participants
Lens Corneal Coverage for Somofilcon A (Habitual) Lens
No
0 percentage of participants

PRIMARY outcome

Timeframe: 4 -weeks

Lens Corneal Coverage was rated as either Yes or No (Yes = full corneal coverage all time / no= incomplete corneal coverage)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Lens Corneal Coverage for Somofilcon A (Habitual) Lens
Yes
100 percentage of participants
Lens Corneal Coverage for Somofilcon A (Habitual) Lens
No
0 percentage of participants

PRIMARY outcome

Timeframe: Baseline

Lens Corneal Coverage was rated as either Yes or No (Yes = full corneal coverage all time / no= incomplete corneal coverage)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Lens Corneal Coverage for Fanfilcon A (Test) Lens
Yes
100 percentage of participants
Lens Corneal Coverage for Fanfilcon A (Test) Lens
No
0 percentage of participants

PRIMARY outcome

Timeframe: 2-weeks

Lens Corneal Coverage was rated as either Yes or No (Yes = full corneal coverage all time / no= incomplete corneal coverage)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Lens Corneal Coverage for Fanfilcon A (Test) Lens
Yes
100 percentage of participants
Lens Corneal Coverage for Fanfilcon A (Test) Lens
No
0 percentage of participants

PRIMARY outcome

Timeframe: 4-weeks

Lens Corneal Coverage was rated as either Yes or No (Yes = full corneal coverage all time / no= incomplete corneal coverage)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Lens Corneal Coverage for Fanfilcon A (Test) Lens
Yes
100 percentage of participants
Lens Corneal Coverage for Fanfilcon A (Test) Lens
No
0 percentage of participants

PRIMARY outcome

Timeframe: Baseline

Lens Tightness: Push Up Test measured by 0% to 100% continuous scale (0%-falls from cornea without lid support, 50% = optimum, and 100% = no movement)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Percentage of Lens Tightness for Somofilcon A (Habitual) Lens
51.7 units on a scale
Standard Deviation 5.0

PRIMARY outcome

Timeframe: 4-Weeks

Lens Tightness: Push Up Test measured by 0% to 100% continuous scale (0%-falls from cornea without lid support, 50% = optimum, and 100% = no movement)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Percentage of Lens Tightness for Somofilcon A (Habitual) Lens
51.8 units on a scale
Standard Deviation 5.0

PRIMARY outcome

Timeframe: Baseline

Lens Tightness: Push Up Test measured by 0% to 100% continuous scale (0%-falls from cornea without lid support, 50% = optimum, and 100% = no movement)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Percentage of Lens Tightness for Fanfilcon A (Test) Lens
50.5 units on a scale
Standard Deviation 2.2

PRIMARY outcome

Timeframe: 2-Weeks

Lens Tightness: Push Up Test measured by 0% to 100% continuous scale (0%-falls from cornea without lid support, 50% = optimum, and 100% = no movement)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Percentage of Lens Tightness for Fanfilcon A (Test) Lens
50.4 units on a scale
Standard Deviation 1.7

PRIMARY outcome

Timeframe: 4-Weeks

Lens Tightness: Push Up Test measured by 0% to 100% continuous scale (0%-falls from cornea without lid support, 50% = optimum, and 100% = no movement)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Percentage of Lens Tightness for Fanfilcon A (Test) Lens
50.2 units on a scale
Standard Deviation 1.6

PRIMARY outcome

Timeframe: Baseline

Post-Blink movement was measured on a scale 0-4 (0=Insufficient, unacceptable movement, 4 = Excessive, unacceptable movement)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Post-Blink Movement for Somofilcon A (Habitual) Lens
1.95 units on a scale
Standard Deviation 0.2

PRIMARY outcome

Timeframe: 4-weeks

Post-Blink movement was measured on a scale 0-4 (0=Insufficient, unacceptable movement, 4 = Excessive, unacceptable movement)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Post-Blink Movement for Somofilcon A (Habitual) Lens
1.95 units on a scale
Standard Deviation 0.2

PRIMARY outcome

Timeframe: Baseline

Post-Blink movement was measured on a scale 0-4 (0=Insufficient, unacceptable movement, 4 = Excessive, unacceptable movement)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Post-Blink Movement for Fanfilcon A (Test) Lens
1.95 units on a scale
Standard Deviation 0.2

PRIMARY outcome

Timeframe: 2-weeks

Post-Blink movement was measured on a scale 0-4 (0=Insufficient, unacceptable movement, 4 = Excessive, unacceptable movement)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Post-Blink Movement for Fanfilcon A (Test) Lens
2.00 units on a scale
Standard Deviation 0.0

PRIMARY outcome

Timeframe: 4-weeks

Post-Blink movement was measured on a scale 0-4 (0=Insufficient, unacceptable movement, 4 = Excessive, unacceptable movement)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Post-Blink Movement for Fanfilcon A (Test) Lens
2.00 units on a scale
Standard Deviation 0.0

PRIMARY outcome

Timeframe: Baseline

Overall fit acceptance was measured using a scale of 0-4 (0= should not be worn, 1 = borderline but unacceptable, 2 = min. acceptable, early review, 3 = not perfect but OK to dispense, and 4 = perfect)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Overall Lens Fit Acceptance for Somofilcon A (Habitual) Lens
3.85 units on a scale
Standard Deviation 0.4

PRIMARY outcome

Timeframe: 4-weeks

Overall fit acceptance was measured using a scale of 0-4 (0= should not be worn, 1 = borderline but unacceptable, 2 = min. acceptable, early review, 3 = not perfect but OK to dispense, and 4 = perfect)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Overall Lens Fit Acceptance for Somofilcon A (Habitual) Lens
3.83 units on a scale
Standard Deviation 0.5

PRIMARY outcome

Timeframe: Baseline

Overall fit acceptance was measured using a scale of 0-4 (0= should not be worn, 1 = borderline but unacceptable, 2 = min. acceptable, early review, 3 = not perfect but OK to dispense, and 4 = perfect)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Overall Lens Fit Acceptance for Fanfilcon A (Test) Lens
3.95 units on a scale
Standard Deviation 0.2

PRIMARY outcome

Timeframe: 2-weeks

Overall fit acceptance was measured using a scale of 0-4 (0= should not be worn, 1 = borderline but unacceptable, 2 = min. acceptable, early review, 3 = not perfect but OK to dispense, and 4 = perfect)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Overall Lens Fit Acceptance for Fanfilcon A (Test) Lens
3.98 units on a scale
Standard Deviation 0.2

PRIMARY outcome

Timeframe: 4-weeks

Overall fit acceptance was measured using a scale of 0-4 (0= should not be worn, 1 = borderline but unacceptable, 2 = min. acceptable, early review, 3 = not perfect but OK to dispense, and 4 = perfect)

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Overall Lens Fit Acceptance for Fanfilcon A (Test) Lens
3.98 units on a scale
Standard Deviation 0.2

SECONDARY outcome

Timeframe: 4-weeks

Average Daily Wearing Time for somofilcon A (Habitual) lens - measured by time hours/day

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Average Daily Wearing Time - Somofilcon A (Habitual) Lens
12.1 hours/day
Standard Deviation 3.1

SECONDARY outcome

Timeframe: 2-weeks

Average daily wearing time for fanfilcon A (test) lens was measured in hours/day

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Average Daily Wearing Time - Fanfilcon A (Test) Lens
12.3 hours/day
Standard Deviation 2.0

SECONDARY outcome

Timeframe: 4-weeks

Average daily wearing time for fanfilcon A (test) lens was measured in hours/day

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Average Daily Wearing Time - Fanfilcon A (Test) Lens
12.3 hours/day
Standard Deviation 2.0

SECONDARY outcome

Timeframe: 4 weeks

Average Comfortable Wearing Time - somofilcon A (habitual) Lens measured in hours/day. Assessed using typical time of day when subject first experiences lens awareness or irritation.

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Average Comfortable Wearing Time - Somofilcon A (Habitual) Lens
9.8 hours/day
Standard Deviation 3.3

SECONDARY outcome

Timeframe: 2 weeks

Average Comfortable Wearing Time - fanfilcon A (test) Lens measured in hours/day. Assessed using typical time of day when subject first experiences lens awareness or irritation.

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Average Comfortable Wearing Time - Fanfilcon A (Test) Lens
10.6 hours/day
Standard Deviation 2.2

SECONDARY outcome

Timeframe: 4 weeks

Average Comfortable Wearing Time - fanfilcon A (test) Lens measured in hours/day. Assessed using typical time of day when subject first experiences lens awareness or irritation.

Outcome measures

Outcome measures
Measure
Somofilcon A (Habitual) Lens
n=41 Participants
Participants wore their habitual somofilcon A lens for 4-weeks. somofilcon A: Contact lens
Average Comfortable Wearing Time - Fanfilcon A (Test) Lens
10.8 hours/day
Standard Deviation 1.8

Adverse Events

Somofilcon A (Habitual) Lens

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Fanfilcon A (Test) Lens

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Jose A. Vega, O.D, MSc., FAAO

CooperVision. Inc

Phone: 9256213761

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place