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

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

17 participants

Primary outcome timeframe

Baseline (After 10 minutes of lens dispense)

Results posted on

2020-11-19

Participant Flow

Participant milestones

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

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

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 weeks

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

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 weeks

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

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

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 weeks

Subjective comfort preference Sapphire lens, Enfilcon A, no preference

Outcome measures

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 weeks

Subjective comfort preference Sapphire lens, Enfilcon A, no preference

Outcome measures

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

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 weeks

Lens wettability was assessed on a Grading scale (0-4, 0.25 steps) (0=excellent; 4=severely reduced)

Outcome measures

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 weeks

Lens wettability was assessed on a Grading scale (0-4, 0.25 steps) (0=excellent; 4=severely reduced)

Outcome measures

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

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

Enfilcon A

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

Myhanh Nguyen

CooperVision, Inc.

Phone: 925-730-6716

Results disclosure agreements

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