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).
COMPLETED
NA
41 participants
Baseline
2020-08-18
Participant Flow
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
| 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: BaselineLens Centration was measured using a 3-point scale (1=optimal centration, 2=decentration acceptable, 3=decentration unacceptable).
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- weeksLens Centration was measured using a 3-point scale (1=optimal centration, 2=decentration acceptable, 3=decentration unacceptable).
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: BaselineLens Centration was measured using a 3-point scale (1=optimal centration, 2=decentration acceptable, 3=decentration unacceptable).
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-weeksLens Centration was measured using a 3-point scale (1=optimal centration, 2=decentration acceptable, 3=decentration unacceptable).
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- weeksLens Centration was measured using a 3-point scale(1=optimal centration, 2=decentration acceptable, 3=decentration unacceptable).
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: BaselineLens Corneal Coverage was rated as either Yes or No (Yes = full corneal coverage all time / no= incomplete corneal coverage)
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 -weeksLens Corneal Coverage was rated as either Yes or No (Yes = full corneal coverage all time / no= incomplete corneal coverage)
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: BaselineLens Corneal Coverage was rated as either Yes or No (Yes = full corneal coverage all time / no= incomplete corneal coverage)
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-weeksLens Corneal Coverage was rated as either Yes or No (Yes = full corneal coverage all time / no= incomplete corneal coverage)
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-weeksLens Corneal Coverage was rated as either Yes or No (Yes = full corneal coverage all time / no= incomplete corneal coverage)
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: BaselineLens 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
| 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-WeeksLens 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
| 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: BaselineLens 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
| 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-WeeksLens 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
| 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-WeeksLens 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
| 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: BaselinePost-Blink movement was measured on a scale 0-4 (0=Insufficient, unacceptable movement, 4 = Excessive, unacceptable movement)
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-weeksPost-Blink movement was measured on a scale 0-4 (0=Insufficient, unacceptable movement, 4 = Excessive, unacceptable movement)
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: BaselinePost-Blink movement was measured on a scale 0-4 (0=Insufficient, unacceptable movement, 4 = Excessive, unacceptable movement)
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-weeksPost-Blink movement was measured on a scale 0-4 (0=Insufficient, unacceptable movement, 4 = Excessive, unacceptable movement)
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-weeksPost-Blink movement was measured on a scale 0-4 (0=Insufficient, unacceptable movement, 4 = Excessive, unacceptable movement)
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: BaselineOverall 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
| 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-weeksOverall 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
| 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: BaselineOverall 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
| 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-weeksOverall 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
| 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-weeksOverall 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
| 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-weeksAverage Daily Wearing Time for somofilcon A (Habitual) lens - measured by time hours/day
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-weeksAverage daily wearing time for fanfilcon A (test) lens was measured in hours/day
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-weeksAverage daily wearing time for fanfilcon A (test) lens was measured in hours/day
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 weeksAverage 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
| 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 weeksAverage 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
| 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 weeksAverage 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
| 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
Fanfilcon A (Test) Lens
Serious adverse events
Adverse event data not reported
Other adverse events
Adverse event data not reported
Additional Information
Results disclosure agreements
- Principal investigator is a sponsor employee
- Publication restrictions are in place