Trial Outcomes & Findings for Daily Disposable Dispensing Clinical Trial of Test Lens Against Stenfilcon A Lens (NCT NCT03024970)

NCT ID: NCT03024970

Last Updated: 2020-07-21

Results Overview

Subjects assessed comfort for test and control lens on a scale 0-10, 0=not comfortable 10=comfortable

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

72 participants

Primary outcome timeframe

Baseline

Results posted on

2020-07-21

Participant Flow

Participant milestones

Participant milestones
Measure
Test Lens Then Control Lens
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): contact lens stenfilcon A lens (Control): contact lens
Control Lens Then Test Lens
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens stenfilcon A lens with solution additive (test): contact lens
First Intervention
STARTED
34
38
First Intervention
COMPLETED
33
38
First Intervention
NOT COMPLETED
1
0
Second Intervention
STARTED
33
38
Second Intervention
COMPLETED
32
38
Second Intervention
NOT COMPLETED
1
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Test Lens Then Control Lens
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): contact lens stenfilcon A lens (Control): contact lens
Control Lens Then Test Lens
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens stenfilcon A lens with solution additive (test): contact lens
First Intervention
Adverse Event
1
0
Second Intervention
Lost to Follow-up
1
0

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Overall Study
n=72 Participants
Total Participants
Age, Categorical
<=18 years
0 Participants
n=72 Participants
Age, Categorical
Between 18 and 65 years
72 Participants
n=72 Participants
Age, Categorical
>=65 years
0 Participants
n=72 Participants
Age, Continuous
28 years
STANDARD_DEVIATION 7 • n=72 Participants
Sex: Female, Male
Female
59 Participants
n=72 Participants
Sex: Female, Male
Male
13 Participants
n=72 Participants
Region of Enrollment
United States
72 participants
n=72 Participants

PRIMARY outcome

Timeframe: Baseline

Subjects assessed comfort for test and control lens on a scale 0-10, 0=not comfortable 10=comfortable

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Subjective Ratings on Comfort
9.7 units on a scale
Standard Deviation 0.6
9.6 units on a scale
Standard Deviation 0.7

PRIMARY outcome

Timeframe: 1 Week

Subjects assessed comfort for test and control lens on a scale 0-10, 0=not comfortable 10=comfortable

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Subjective Ratings on Comfort
9.1 units on a scale
Standard Deviation 1.5
9.0 units on a scale
Standard Deviation 1.5

PRIMARY outcome

Timeframe: 1 Month

Subjects assessed comfort for test and control lens on a scale 0-10, 0=not comfortable 10=comfortable

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Subjective Ratings on Comfort
8.9 units on a scale
Standard Deviation 1.7
8.6 units on a scale
Standard Deviation 1.9

PRIMARY outcome

Timeframe: Baseline

Subjective ratings on vision satisfaction was assessed for test and control lens using a 5- point Likert scale: 1- Strongly disagree, 2- disagree, 3- neutral, 4- agree, 5- strongly agree

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Vision Satisfaction
Strongly disagree
0 percentage of participants
0 percentage of participants
Vision Satisfaction
Disagree
0 percentage of participants
0 percentage of participants
Vision Satisfaction
Neutral
6 percentage of participants
1 percentage of participants
Vision Satisfaction
Agree
39 percentage of participants
39 percentage of participants
Vision Satisfaction
Strongly agree
55 percentage of participants
60 percentage of participants

PRIMARY outcome

Timeframe: 1 week

Subjective ratings on vision satisfaction was assessed for test and control lens using a 5- point Likert scale: 1- Strongly disagree, 2- disagree, 3- neutral, 4- agree, 5- strongly agree

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Vision Satisfaction
Strongly disagree
0 percentage of participants
1 percentage of participants
Vision Satisfaction
Disagree
3 percentage of participants
1 percentage of participants
Vision Satisfaction
Neutral
3 percentage of participants
4 percentage of participants
Vision Satisfaction
Agree
29 percentage of participants
26 percentage of participants
Vision Satisfaction
Strongly agree
65 percentage of participants
68 percentage of participants

PRIMARY outcome

Timeframe: 1 Month

Subjective ratings on vision satisfaction was assessed for test and control lens using a 5- point Likert scale: 1- Strongly disagree, 2- disagree, 3- neutral, 4- agree, 5- strongly agree

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Vision Satisfaction
Strongly disagree
3 percentage of participants
1 percentage of participants
Vision Satisfaction
Disagree
1 percentage of participants
3 percentage of participants
Vision Satisfaction
Neutral
4 percentage of participants
9 percentage of participants
Vision Satisfaction
Agree
34 percentage of participants
26 percentage of participants
Vision Satisfaction
Strongly agree
58 percentage of participants
61 percentage of participants

PRIMARY outcome

Timeframe: Baseline

Visual acuity is assessed on high illumination high contrast logMAR charts for test and control lenses. Visual acuity of logMar of 0.0 is equivalent to 20/20 of Snellen. Each 0.1 addition in logMar is 1 line in Snellen chart.

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Visual Acuity On High Illumination High Contrast
-0.20 LogMAR
Standard Deviation 0.06
-0.21 LogMAR
Standard Deviation 0.06

PRIMARY outcome

Timeframe: 1 Week

Visual acuity is assessed on high illumination high contrast for test and control lens by LogMAR. Visual acuity of logMar of 0.0 is equivalent to 20/20 of Snellen. Each 0.1 addition in logMar is 1 line in Snellen chart.

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Visual Acuity On High Illumination High Contrast
-0.21 LogMAR
Standard Deviation 0.06
-0.20 LogMAR
Standard Deviation 0.06

PRIMARY outcome

Timeframe: 1 Month

Visual acuity is assessed on high illumination high contrast for test and control lens by LogMAR. Visual acuity of logMar of 0.0 is equivalent to 20/20 of Snellen. Each 0.1 addition in logMar is 1 line in Snellen chart.

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Visual Acuity On High Illumination High Contrast
-0.21 LogMAR
Standard Deviation 0.07
-0.20 LogMAR
Standard Deviation 0.05

PRIMARY outcome

Timeframe: Baseline

Visual acuity is assessed on low illumination high contrast for test and control lens by LogMAR. Visual acuity of logMar of 0.0 is equivalent to 20/20 of Snellen. Each 0.1 addition in logMar is 1 line in Snellen chart.

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Visual Acuity On Low Illumination High Contrast
-0.08 LogMAR
Standard Deviation 0.09
-0.09 LogMAR
Standard Deviation 0.09

PRIMARY outcome

Timeframe: 1 Week

Visual acuity is assessed on low illumination high contrast for test and control lens by LogMAR. Visual acuity of logMar of 0.0 is equivalent to 20/20 of Snellen. Each 0.1 addition in logMar is 1 line in Snellen chart.

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Visual Acuity On Low Illumination High Contrast
-0.09 LogMAR
Standard Deviation 0.10
-0.09 LogMAR
Standard Deviation 0.09

PRIMARY outcome

Timeframe: 1 Month

Visual acuity is assessed on low illumination high contrast for test and control lens by LogMAR. Visual acuity of logMar of 0.0 is equivalent to 20/20 of Snellen. Each 0.1 addition in logMar is 1 line in Snellen chart.

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Visual Acuity On Low Illumination High Contrast
-0.09 LogMAR
Standard Deviation 0.10
-0.09 LogMAR
Standard Deviation 0.09

PRIMARY outcome

Timeframe: One Week

Overall corneal staining is assessed for test and control lens in a scale of 0-4, 0=No staining,1=trace, 2=mild, 3=moderate, 4=Severe.

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Overall Corneal Staining
Grade 0
55 percentage of participants
57 percentage of participants
Overall Corneal Staining
Garde 1
31 percentage of participants
27 percentage of participants
Overall Corneal Staining
Grade 2
14 percentage of participants
14 percentage of participants
Overall Corneal Staining
Grade 3
0 percentage of participants
2 percentage of participants
Overall Corneal Staining
Grade 4
0 percentage of participants
0 percentage of participants

PRIMARY outcome

Timeframe: One Month

Overall corneal staining is assessed for test and control lens in a scale of 0-4, 0=No staining,1=trace, 2=mild, 3=moderate, 4=Severe.

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Overall Corneal Staining
Grade 4
0 percentage of participants
0 percentage of participants
Overall Corneal Staining
Grade 0
54 percentage of participants
58 percentage of participants
Overall Corneal Staining
Garde 1
33 percentage of participants
30 percentage of participants
Overall Corneal Staining
Grade 2
13 percentage of participants
11 percentage of participants
Overall Corneal Staining
Grade 3
0 percentage of participants
1 percentage of participants

PRIMARY outcome

Timeframe: 1 Week

Conjunctival staining is assessed for test and control lens in 0.50 steps. Scale 0-4, 0=None, 4= Deep confluent

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Conjunctival Staining
0.36 units on a scale
Standard Deviation 0.45
0.39 units on a scale
Standard Deviation 0.43

PRIMARY outcome

Timeframe: 1 Month

Conjunctival staining is assessed for test and control lens in 0.50 steps. Scale 0-4, 0=None, 4= Deep confluent

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Conjunctival Staining
0.42 units on a scale
Standard Deviation 0.37
0.45 units on a scale
Standard Deviation 0.43

PRIMARY outcome

Timeframe: 1 Week

Bulbar hyperemia is assessed for test and control lens on a scale of 0-4,0.25 steps. (0=None, 1=Slight injection of conjunctival vessels, 2=Mild injection, 3=Moderate injection, 4=Severe injection)

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Bulbar Hyperemia
1.32 units on a scale
Standard Deviation 0.85
1.28 units on a scale
Standard Deviation 0.78

PRIMARY outcome

Timeframe: 1 Month

Bulbar hyperemia is assessed for test and control lens on a scale of 0-4,0.25 steps. (0=None, 1=Slight injection of conjunctival vessels, 2=Mild injection, 3=Moderate injection, 4=Severe injection)

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Bulbar Hyperemia
1.36 units on a scale
Standard Deviation 0.81
1.33 units on a scale
Standard Deviation 0.82

PRIMARY outcome

Timeframe: 1 Week

Limbal hyperemia is assessed for test and control lens on a scale of 0-4,0.25 steps. (0=None, 1=Slight injection of conjunctival vessels, 2=Mild injection, 3=Moderate injection, 4=Severe injection)

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Limbal Hyperemia
0.85 units on a scale
Standard Deviation 0.64
0.89 units on a scale
Standard Deviation 0.68

PRIMARY outcome

Timeframe: 1 Month

Limbal hyperemia is assessed for test and control lens on a scale of 0-4,0.25 steps. (0=None, 1=Slight injection of conjunctival vessels, 2=Mild injection, 3=Moderate injection, 4=Severe injection)

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Limbal Hyperemia
0.90 units on a scale
Standard Deviation 0.66
0.78 units on a scale
Standard Deviation 0.67

PRIMARY outcome

Timeframe: 1 Week

Palpebral hyperemia is assessed for test and control lens on a scale of 0-4,0.25 steps. (0=None, 1=Slight injection of conjunctival vessels, 2=Mild injection, 3=Moderate injection, 4=Severe injection)

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Palpebral Hyperemia
0.89 units on a scale
Standard Deviation 0.65
0.88 units on a scale
Standard Deviation 0.63

PRIMARY outcome

Timeframe: 1 Month

Palpebral hyperemia is assessed for test and control lens on a scale of 0-4,0.25 steps. (0=None, 1=Slight injection of conjunctival vessels, 2=Mild injection, 3=Moderate injection, 4=Severe injection)

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Palpebral Hyperemia
1.02 units on a scale
Standard Deviation 0.63
0.93 units on a scale
Standard Deviation 0.55

SECONDARY outcome

Timeframe: Baseline

Overall fit acceptance is assessed for test and control lens. Scale 0-4, 0=can't be worn, 1=Poor, 2=Fair, 3=Good, 4=optimum.

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Lens Fit Acceptance
3.4 units on a scale
Standard Deviation 0.3
3.3 units on a scale
Standard Deviation 0.3

SECONDARY outcome

Timeframe: 1 week

Overall fit acceptance is assessed for test and control lens. Scale 0-4, 0=can't be worn, 1=Poor, 2=Fair, 3=Good, 4=optimum.

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Lens Fit Acceptance
3.3 units on a scale
Standard Deviation 0.3
3.3 units on a scale
Standard Deviation 0.3

SECONDARY outcome

Timeframe: 1 Month

Overall fit acceptance is assessed for test and control lens. Scale 0-4, 0=can't be worn, 1=Poor, 2=Fair, 3=Good, 4=optimum.

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Lens Fit Acceptance
3.3 units on a scale
Standard Deviation 0.3
3.2 units on a scale
Standard Deviation 0.5

SECONDARY outcome

Timeframe: 1 week

Handling satisfaction is assessed for test and control lens. 5 point Likert scale: 1- Strongly disagree, 2-disagree, 3-neutral, 4-agree, 5- strongly agree

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Handling Satisfaction
Strongly disagree
0 percentage of participants
0 percentage of participants
Handling Satisfaction
Disagree
0 percentage of participants
1 percentage of participants
Handling Satisfaction
Neutral
3 percentage of participants
1 percentage of participants
Handling Satisfaction
Agree
25 percentage of participants
23 percentage of participants
Handling Satisfaction
Strongly Agree
72 percentage of participants
75 percentage of participants

SECONDARY outcome

Timeframe: 1 Month

Handling satisfaction is assessed for test and control lens. 5 point Likert scale: 1- Strongly disagree, 2-disagree, 3-neutral, 4-agree, 5- strongly agree

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Handling Satisfaction
Strongly disagree
0 percentage of participants
1 percentage of participants
Handling Satisfaction
Disagree
0 percentage of participants
4 percentage of participants
Handling Satisfaction
Neutral
1 percentage of participants
0 percentage of participants
Handling Satisfaction
Agree
30 percentage of participants
23 percentage of participants
Handling Satisfaction
Strongly Agree
69 percentage of participants
72 percentage of participants

SECONDARY outcome

Timeframe: Baseline

Wettability is assessed for test and control lens on a scale of 0-4, 0=Very poor, 4=Excellent

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Lens Surface - Wettability
3.52 units on a scale
Standard Deviation 0.36
3.52 units on a scale
Standard Deviation 0.35

SECONDARY outcome

Timeframe: 1 Week

Wettability is assessed for test and control lens on a scale of 0-4, 0=Very poor, 4=Excellent

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Lens Surface - Wettability
3.47 units on a scale
Standard Deviation 0.46
3.33 units on a scale
Standard Deviation 0.48

SECONDARY outcome

Timeframe: 1 Month

Wettability is assessed for test and control lens on a scale of 0-4, 0=Very poor, 4=Excellent

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Lens Surface - Wettability
3.37 units on a scale
Standard Deviation 0.43
3.38 units on a scale
Standard Deviation 0.44

SECONDARY outcome

Timeframe: Baseline

Deposits are assessed for test and control lens. Scale 0-4, 0.25 steps. 0=Clean, no deposits, 4=Deposits of 0.5mm or larger or film covering more than 75% of surface.

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Lens Surface - Deposits
0.03 units on a scale
Standard Deviation 0.15
0.02 units on a scale
Standard Deviation 0.15

SECONDARY outcome

Timeframe: 1 week

Deposits are assessed for test and control lens. Scale 0-4, 0.25 steps. 0=Clean, no deposits, 4=Deposits of 0.5mm or larger or film covering more than 75% of surface.

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Lens Surface - Deposits
0.04 units on a scale
Standard Deviation 0.20
0.04 units on a scale
Standard Deviation 0.19

SECONDARY outcome

Timeframe: 1 Month

Deposits are assessed for test and control lens. Scale 0-4, 0.25 steps. 0=Clean, no deposits, 4=Deposits of 0.5mm or larger or film covering more than 75% of surface.

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=140 Eyes
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=140 Eyes
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Lens Surface - Deposits
0.06 units on a scale
Standard Deviation 0.27
0.02 units on a scale
Standard Deviation 0.15

SECONDARY outcome

Timeframe: Baseline

Subjective ratings on dryness is assessed for test and control lens on a scale of 0-10, 0=dry, 10=not dry

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Subjective Ratings on Dryness
9.6 units on a scale
Standard Deviation 1.3
9.5 units on a scale
Standard Deviation 0.9

SECONDARY outcome

Timeframe: 1 week

Subjective ratings on dryness is assessed for test and control lens on a scale of 0-10, 0=dry, 10=not dry

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Subjective Ratings on Dryness
8.8 units on a scale
Standard Deviation 1.8
8.8 units on a scale
Standard Deviation 1.6

SECONDARY outcome

Timeframe: 1 Month

Subjective ratings on dryness is assessed for test and control lens on a scale of 0-10, 0=dry, 10=not dry

Outcome measures

Outcome measures
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=70 Participants
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=70 Participants
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Subjective Ratings on Dryness
8.3 units on a scale
Standard Deviation 2.1
8.1 units on a scale
Standard Deviation 2.3

Adverse Events

Stenfilcon A Lens With Solution Additive (Test)

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Stenfilcon A Lens (Control)

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Stenfilcon A Lens With Solution Additive (Test)
n=72 participants at risk
Participants were randomized to wear the stenfilcon A lens with solution additive (test) for 1 month during the cross over study. stenfilcon A lens with solution additive (test): silicone hydrogel lens
Stenfilcon A Lens (Control)
n=72 participants at risk
Participants were randomized to wear stenfilcon A (control) lens pair for 1 month during the cross over study. stenfilcon A lens (control): contact lens
Eye disorders
Corneal Staining
1.4%
1/72 • Number of events 1 • From baseline up to 1 month on each pair of lenses.
2.8%
2/72 • Number of events 2 • From baseline up to 1 month on each pair of lenses.
Eye disorders
Subconjuctival Hyperemia
0.00%
0/72 • From baseline up to 1 month on each pair of lenses.
2.8%
2/72 • Number of events 2 • From baseline up to 1 month on each pair of lenses.
Eye disorders
Epithelial defect
0.00%
0/72 • From baseline up to 1 month on each pair of lenses.
1.4%
1/72 • Number of events 1 • From baseline up to 1 month on each pair of lenses.

Additional Information

Myhanh Nguyen, OD, FAAO

CooperVision, Inc.

Phone: 925-730-6716

Results disclosure agreements

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