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)

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

23 participants

Primary outcome timeframe

Baseline (10 minutes post lens settling)

Results posted on

2020-10-19

Participant Flow

Participant milestones

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

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

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 weeks

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

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

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 weeks

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

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

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 weeks

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

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

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 weeks

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

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

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 weeks

Population: One subject was excluded from the analysis due to compliance.

Subjective Overall Preference: Sapphire lens, senofilcon A lens, No preference

Outcome measures

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

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

Senofilcon 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