Trial Outcomes & Findings for A Contralateral Dispensing Clinical Trial of Study Test Silicone Hydrogel Lens Against Enfilcon A Silicone Hydrogel Lens (NCT NCT02537717)
NCT ID: NCT02537717
Last Updated: 2020-11-19
Results Overview
Subjective ratings of Comfort on a scale (0-100) assessed : 0= Cannot be worn, causes pain, 20=Frequently irritating, 40= Occasionally irritating, 60= Occasionally noticable but not irritating, 80= rarely noticeable, 100= cannot be felt ever
COMPLETED
NA
17 participants
Baseline (After 10 minutes of lens dispense)
2020-11-19
Participant Flow
Participant milestones
| Measure |
Overall Study
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
Sapphire Lens: Contact lens. Enfilcon A: contact lens
|
|---|---|
|
Overall Study
STARTED
|
17
|
|
Overall Study
COMPLETED
|
17
|
|
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=17 Participants
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
Sapphire Lens: Contact lens. Enfilcon A: contact lens
|
|---|---|
|
Age, Categorical
<=18 years
|
0 Participants
n=17 Participants
|
|
Age, Categorical
Between 18 and 65 years
|
17 Participants
n=17 Participants
|
|
Age, Categorical
>=65 years
|
0 Participants
n=17 Participants
|
|
Age, Continuous
|
28 years
STANDARD_DEVIATION 10 • n=17 Participants
|
|
Sex: Female, Male
Female
|
13 Participants
n=17 Participants
|
|
Sex: Female, Male
Male
|
4 Participants
n=17 Participants
|
|
Region of Enrollment
Canada
|
17 participants
n=17 Participants
|
PRIMARY outcome
Timeframe: Baseline (After 10 minutes of lens dispense)Subjective ratings of Comfort on a scale (0-100) assessed : 0= Cannot be worn, causes pain, 20=Frequently irritating, 40= Occasionally irritating, 60= Occasionally noticable but not irritating, 80= rarely noticeable, 100= cannot be felt ever
Outcome measures
| Measure |
Sapphire Lens
n=17 eyes
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
Sapphire Lens: Contact lens
|
Enfilcon A
n=17 eyes
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
enfilcon A: contact lens
|
|---|---|---|
|
Subjective Ratings of Comfort
|
92 units on a scale
Standard Deviation 9
|
91 units on a scale
Standard Deviation 9
|
PRIMARY outcome
Timeframe: 2 weeksSubjective ratings of Comfort on a scale (0-100) assessed : 0= Cannot be worn, causes pain, 20=Frequently irritating, 40= Occasionally irritating, 60= Occasionally noticable but not irritating, 80= rarely noticeable, 100= cannot be felt ever
Outcome measures
| Measure |
Sapphire Lens
n=17 eyes
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
Sapphire Lens: Contact lens
|
Enfilcon A
n=17 eyes
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
enfilcon A: contact lens
|
|---|---|---|
|
Subjective Ratings of Comfort
|
80 units on a scale
Standard Deviation 18
|
82 units on a scale
Standard Deviation 8
|
PRIMARY outcome
Timeframe: 4 weeksSubjective ratings of Comfort on a scale (0-100) assessed : 0= Cannot be worn, causes pain, 20=Frequently irritating, 40= Occasionally irritating, 60= Occasionally noticable but not irritating, 80= rarely noticeable, 100= cannot be felt ever
Outcome measures
| Measure |
Sapphire Lens
n=17 eyes
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
Sapphire Lens: Contact lens
|
Enfilcon A
n=17 eyes
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
enfilcon A: contact lens
|
|---|---|---|
|
Subjective Ratings of Comfort
|
81 units on a scale
Standard Deviation 16
|
80 units on a scale
Standard Deviation 14
|
PRIMARY outcome
Timeframe: Baseline (after 10 minutes of lens dispense)Subjective comfort preference Sapphire lens, Enfilcon A, no preference
Outcome measures
| Measure |
Sapphire Lens
n=34 Eyes
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
Sapphire Lens: Contact lens
|
Enfilcon A
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
enfilcon A: contact lens
|
|---|---|---|
|
Subjective Comfort Preference
Sapphire lens
|
47 percentage of eyes
|
—
|
|
Subjective Comfort Preference
enfilcon A
|
12 percentage of eyes
|
—
|
|
Subjective Comfort Preference
No preference
|
41 percentage of eyes
|
—
|
PRIMARY outcome
Timeframe: 2 weeksSubjective comfort preference Sapphire lens, Enfilcon A, no preference
Outcome measures
| Measure |
Sapphire Lens
n=34 Eyes
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
Sapphire Lens: Contact lens
|
Enfilcon A
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
enfilcon A: contact lens
|
|---|---|---|
|
Subjective Comfort Preference
Sapphire lens
|
53 percentage of eyes
|
—
|
|
Subjective Comfort Preference
enfilcon A
|
18 percentage of eyes
|
—
|
|
Subjective Comfort Preference
No preference
|
29 percentage of eyes
|
—
|
PRIMARY outcome
Timeframe: 4 weeksSubjective comfort preference Sapphire lens, Enfilcon A, no preference
Outcome measures
| Measure |
Sapphire Lens
n=34 Eyes
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
Sapphire Lens: Contact lens
|
Enfilcon A
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
enfilcon A: contact lens
|
|---|---|---|
|
Subjective Comfort Preference
Sapphire lens
|
47 percentage of eyes
|
—
|
|
Subjective Comfort Preference
enfilcon A
|
18 percentage of eyes
|
—
|
|
Subjective Comfort Preference
No preference
|
35 percentage of eyes
|
—
|
PRIMARY outcome
Timeframe: Baseline (After 10 minutes of lens dispense)Lens wettability was assessed on a Grading scale (0-4, 0.25 steps) (0=excellent; 4=severely reduced)
Outcome measures
| Measure |
Sapphire Lens
n=17 eyes
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
Sapphire Lens: Contact lens
|
Enfilcon A
n=17 Participants
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
enfilcon A: contact lens
|
|---|---|---|
|
Lens Wettability
|
2.9 units on a scale
Standard Deviation 0.7
|
2.6 units on a scale
Standard Deviation 1.0
|
PRIMARY outcome
Timeframe: 2 weeksLens wettability was assessed on a Grading scale (0-4, 0.25 steps) (0=excellent; 4=severely reduced)
Outcome measures
| Measure |
Sapphire Lens
n=17 eyes
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
Sapphire Lens: Contact lens
|
Enfilcon A
n=17 eyes
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
enfilcon A: contact lens
|
|---|---|---|
|
Lens Wettability
|
2.8 units on a scale
Standard Deviation 1.0
|
2.8 units on a scale
Standard Deviation 0.8
|
PRIMARY outcome
Timeframe: 4 weeksLens wettability was assessed on a Grading scale (0-4, 0.25 steps) (0=excellent; 4=severely reduced)
Outcome measures
| Measure |
Sapphire Lens
n=17 eyes
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
Sapphire Lens: Contact lens
|
Enfilcon A
n=17 eyes
Each subject will be randomized to wear the test lens in one eye and control lens in the other eye. Both test and control lenses will be used in a daily wear modality for one month.
enfilcon A: contact lens
|
|---|---|---|
|
Lens Wettability
|
2.9 units on a scale
Standard Deviation 0.9
|
2.6 units on a scale
Standard Deviation 1.0
|
Adverse Events
Sapphire Lens
Enfilcon A
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