Trial Outcomes & Findings for A Bilateral Dispensing Clinical Trial of an Sapphire Lens Against Senofilcon A Toric for Astigmatism Lens (NCT NCT02555098)
NCT ID: NCT02555098
Last Updated: 2020-10-19
Results Overview
Scale 0-100; (0=Cannot be worn; 100=Cannot be felt ever)
COMPLETED
NA
23 participants
Baseline (10 minutes post lens settling)
2020-10-19
Participant Flow
Participant milestones
| Measure |
Sapphire Test Lenses Then Senofilcon A Lenes
Each subject was randomized to wear the Investigational lenses (test) for two weeks then cross-over to senofilcon A contact lenses (control) for two weeks.
Sapphire contact lenses: Contact Lenses Senofilcon A : Contact lenses
|
Senofilcon A Then Sapphire Test Lenses
Each subject was randomized to wear the senofilcon A contact lenses (control) for two weeks then cross-over to Sapphire lenses (test) for two weeks.
Senofilcon A : Contact lenses Sapphire lenses: Contact Lenses
|
|---|---|---|
|
First Intervention
STARTED
|
12
|
11
|
|
First Intervention
COMPLETED
|
12
|
11
|
|
First Intervention
NOT COMPLETED
|
0
|
0
|
|
Second Intervention
STARTED
|
12
|
11
|
|
Second Intervention
COMPLETED
|
12
|
11
|
|
Second Intervention
NOT COMPLETED
|
0
|
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=23 Participants
Each subject randomized to wear either the Sapphire lenses (test) or senofilcon A contact lenses (control) as a matched pair for two weeks and cross over to the second matched pair for two weeks.
|
|---|---|
|
Age, Categorical
<=18 years
|
0 Participants
n=23 Participants
|
|
Age, Categorical
Between 18 and 65 years
|
23 Participants
n=23 Participants
|
|
Age, Categorical
>=65 years
|
0 Participants
n=23 Participants
|
|
Age, Continuous
|
40 years
STANDARD_DEVIATION 11 • n=23 Participants
|
|
Sex: Female, Male
Female
|
20 Participants
n=23 Participants
|
|
Sex: Female, Male
Male
|
3 Participants
n=23 Participants
|
|
Region of Enrollment
United States
|
23 participants
n=23 Participants
|
PRIMARY outcome
Timeframe: Baseline (10 minutes post lens settling)Population: One subject was excluded from the analysis due to compliance.
Scale 0-100; (0=Cannot be worn; 100=Cannot be felt ever)
Outcome measures
| Measure |
Sapphire Lenses
n=22 Participants
Each subject randomized to wear the Sapphire lenses (test) for two weeks.
Sapphire lenses: Contact lenses
|
Senofilcon A
n=22 Participants
Each subject randomized to wear senofilcon A contact lenses (control) for two weeks.
senofilcon A contact lenses: Contact lenses
|
|---|---|---|
|
Subjective Ratings for Comfort
|
89 units on a scale
Standard Deviation 14
|
80 units on a scale
Standard Deviation 20
|
PRIMARY outcome
Timeframe: 2 weeksPopulation: One subject was excluded from the analysis due to compliance.
Scale 0-100; (0=Cannot be worn; 100=Cannot be felt ever)
Outcome measures
| Measure |
Sapphire Lenses
n=22 Participants
Each subject randomized to wear the Sapphire lenses (test) for two weeks.
Sapphire lenses: Contact lenses
|
Senofilcon A
n=22 Participants
Each subject randomized to wear senofilcon A contact lenses (control) for two weeks.
senofilcon A contact lenses: Contact lenses
|
|---|---|---|
|
Subjective Ratings for Comfort
|
85 units on a scale
Standard Deviation 18
|
72 units on a scale
Standard Deviation 27
|
PRIMARY outcome
Timeframe: Baseline (10 minutes post lens settling)Population: One subject was excluded from the analysis due to compliance.
Subjective Ratings for Comfort Preference: Sapphire lens, senofilcon A lens, No preference
Outcome measures
| Measure |
Sapphire Lenses
n=22 Participants
Each subject randomized to wear the Sapphire lenses (test) for two weeks.
Sapphire lenses: Contact lenses
|
Senofilcon A
Each subject randomized to wear senofilcon A contact lenses (control) for two weeks.
senofilcon A contact lenses: Contact lenses
|
|---|---|---|
|
Subjective Ratings for Comfort Preference
Sapphire lens
|
46 percentage of participants
|
—
|
|
Subjective Ratings for Comfort Preference
senofilcon A
|
18 percentage of participants
|
—
|
|
Subjective Ratings for Comfort Preference
No Preference
|
36 percentage of participants
|
—
|
PRIMARY outcome
Timeframe: 2 weeksPopulation: One subject was excluded from the analysis due to compliance.
Subjective Ratings for Comfort Preference: Sapphire lens, senofilcon A lens, No preference
Outcome measures
| Measure |
Sapphire Lenses
n=22 Participants
Each subject randomized to wear the Sapphire lenses (test) for two weeks.
Sapphire lenses: Contact lenses
|
Senofilcon A
Each subject randomized to wear senofilcon A contact lenses (control) for two weeks.
senofilcon A contact lenses: Contact lenses
|
|---|---|---|
|
Subjective Ratings for Comfort Preference
Sapphire lens
|
68 percentage of participants
|
—
|
|
Subjective Ratings for Comfort Preference
senofilcon A
|
27 percentage of participants
|
—
|
|
Subjective Ratings for Comfort Preference
No Preference
|
5 percentage of participants
|
—
|
PRIMARY outcome
Timeframe: Baseline (10 minutes post lens settling)Population: One subject was excluded from the analysis due to compliance.
Subjective assessment of visual quality assessed on a Scale: 0-100 (0=Extremely poor vision all of the time; Cannot function; 100=Excellent vision all of the time)
Outcome measures
| Measure |
Sapphire Lenses
n=22 Participants
Each subject randomized to wear the Sapphire lenses (test) for two weeks.
Sapphire lenses: Contact lenses
|
Senofilcon A
n=22 Participants
Each subject randomized to wear senofilcon A contact lenses (control) for two weeks.
senofilcon A contact lenses: Contact lenses
|
|---|---|---|
|
Subjective Assessment of Visual Quality
|
85 units on a scale
Standard Deviation 15
|
85 units on a scale
Standard Deviation 21
|
PRIMARY outcome
Timeframe: 2 weeksPopulation: One subject was excluded from the analysis due to compliance.
Subjective assessment of visual quality assessed on a Scale: 0-100 (0=Extremely poor vision all of the time; Cannot function; 100=Excellent vision all of the time)
Outcome measures
| Measure |
Sapphire Lenses
n=22 Participants
Each subject randomized to wear the Sapphire lenses (test) for two weeks.
Sapphire lenses: Contact lenses
|
Senofilcon A
n=22 Participants
Each subject randomized to wear senofilcon A contact lenses (control) for two weeks.
senofilcon A contact lenses: Contact lenses
|
|---|---|---|
|
Subjective Assessment of Visual Quality
|
81 units on a scale
Standard Deviation 19
|
73 units on a scale
Standard Deviation 27
|
PRIMARY outcome
Timeframe: Baseline (10 minutes post lens settling)Population: One subject was excluded from the analysis due to compliance
Subjective assessment of overall satisfaction on a Scale: 0-100: (0=Extremely dissatisfied; 100=Extremely satisfied)
Outcome measures
| Measure |
Sapphire Lenses
n=22 Participants
Each subject randomized to wear the Sapphire lenses (test) for two weeks.
Sapphire lenses: Contact lenses
|
Senofilcon A
n=22 Participants
Each subject randomized to wear senofilcon A contact lenses (control) for two weeks.
senofilcon A contact lenses: Contact lenses
|
|---|---|---|
|
Subjective Assessment of Overall Satisfaction
|
89 units on a scale
Standard Deviation 12
|
81 units on a scale
Standard Deviation 21
|
PRIMARY outcome
Timeframe: 2 weeksPopulation: One subject was excluded from the analysis due to compliance
Subjective assessment of overall satisfaction on a Scale: 0-100: (0=Extremely dissatisfied; 100=Extremely satisfied)
Outcome measures
| Measure |
Sapphire Lenses
n=22 Participants
Each subject randomized to wear the Sapphire lenses (test) for two weeks.
Sapphire lenses: Contact lenses
|
Senofilcon A
n=22 Participants
Each subject randomized to wear senofilcon A contact lenses (control) for two weeks.
senofilcon A contact lenses: Contact lenses
|
|---|---|---|
|
Subjective Assessment of Overall Satisfaction
|
87 units on a scale
Standard Deviation 14
|
73 units on a scale
Standard Deviation 30
|
PRIMARY outcome
Timeframe: Baseline (10 minutes post lens settling)Population: One subject was excluded from the analysis due to compliance.
Subjective Overall Preference: Sapphire lens, senofilcon A lens, No preference
Outcome measures
| Measure |
Sapphire Lenses
n=22 Participants
Each subject randomized to wear the Sapphire lenses (test) for two weeks.
Sapphire lenses: Contact lenses
|
Senofilcon A
Each subject randomized to wear senofilcon A contact lenses (control) for two weeks.
senofilcon A contact lenses: Contact lenses
|
|---|---|---|
|
Subjective Overall Preference
Sapphire Lens
|
55 percentage of participants
|
—
|
|
Subjective Overall Preference
No Preference
|
18 percentage of participants
|
—
|
|
Subjective Overall Preference
senofilcon A
|
27 percentage of participants
|
—
|
PRIMARY outcome
Timeframe: 2 weeksPopulation: One subject was excluded from the analysis due to compliance.
Subjective Overall Preference: Sapphire lens, senofilcon A lens, No preference
Outcome measures
| Measure |
Sapphire Lenses
n=22 Participants
Each subject randomized to wear the Sapphire lenses (test) for two weeks.
Sapphire lenses: Contact lenses
|
Senofilcon A
Each subject randomized to wear senofilcon A contact lenses (control) for two weeks.
senofilcon A contact lenses: Contact lenses
|
|---|---|---|
|
Subjective Overall Preference
No Preference
|
4 percentage of participants
|
—
|
|
Subjective Overall Preference
Sapphire Lens
|
73 percentage of participants
|
—
|
|
Subjective Overall Preference
senofilcon A
|
23 percentage of participants
|
—
|
Adverse Events
Sapphire Contact Lenses
Senofilcon 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