Trial Outcomes & Findings for Performance of Wearers of Stenfilcon A Contact Lenses After A Refit With Test Lenses (NCT NCT03496701)

NCT ID: NCT03496701

Last Updated: 2021-06-30

Results Overview

Overall lens fit acceptance on a scale of 0-4, 0.5 steps (Scale: 0=should not be worn, 4=perfect)

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

77 participants

Primary outcome timeframe

Baseline (After 10 minutes of lens dispense)

Results posted on

2021-06-30

Participant Flow

Participant milestones

Participant milestones
Measure
Overall Study
All subjects will first wear stenfilcon A contact lenses for one week, then refitted with test contact lenses to wear for one week. Test lens: contact lens control lens: contact lens
Overall Study
STARTED
77
Overall Study
COMPLETED
77
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=77 Participants
All subjects will first wear stenfilcon A contact lenses for one week, then refitted with test contact lenses to wear for one week. Test lens: contact lens control lens: contact lens
Age, Categorical
<=18 years
0 Participants
n=77 Participants
Age, Categorical
Between 18 and 65 years
77 Participants
n=77 Participants
Age, Categorical
>=65 years
0 Participants
n=77 Participants
Age, Continuous
27.9 years
STANDARD_DEVIATION 5.1 • n=77 Participants
Sex: Female, Male
Female
57 Participants
n=77 Participants
Sex: Female, Male
Male
20 Participants
n=77 Participants
Region of Enrollment
United States
77 participants
n=77 Participants

PRIMARY outcome

Timeframe: Baseline (After 10 minutes of lens dispense)

Overall lens fit acceptance on a scale of 0-4, 0.5 steps (Scale: 0=should not be worn, 4=perfect)

Outcome measures

Outcome measures
Measure
Stenfilcon A Test Lens
n=77 Participants
All subjects will first wear stenfilcon A test contact lenses for one week. stenfilcon A test lens: contact lens
Stenfilcon A Control Lens
n=77 Participants
All subjects will first wear stenfilcon A control contact lenses for one week. stenfilcon A control lens: contact lens
Overall Lens Fit Acceptance
3.90 units on a scale
Standard Deviation 0.26
3.81 units on a scale
Standard Deviation 0.34

PRIMARY outcome

Timeframe: 1 week on each study lenses

Overall lens fit acceptance on a scale of 0-4, 0.5 steps (Scale: 0=should not be worn, 4=perfect)

Outcome measures

Outcome measures
Measure
Stenfilcon A Test Lens
n=77 Participants
All subjects will first wear stenfilcon A test contact lenses for one week. stenfilcon A test lens: contact lens
Stenfilcon A Control Lens
n=77 Participants
All subjects will first wear stenfilcon A control contact lenses for one week. stenfilcon A control lens: contact lens
Overall Lens Fit Acceptance
3.79 units on a scale
Standard Deviation 0.47
3.83 units on a scale
Standard Deviation 0.35

SECONDARY outcome

Timeframe: Baseline - After 10 minutes of lens dispense

Lens centration was assessed on a 3 point scale (1-Optimum, 2- Decentration acceptable, 3-Decentration unacceptable)

Outcome measures

Outcome measures
Measure
Stenfilcon A Test Lens
n=77 Participants
All subjects will first wear stenfilcon A test contact lenses for one week. stenfilcon A test lens: contact lens
Stenfilcon A Control Lens
n=77 Participants
All subjects will first wear stenfilcon A control contact lenses for one week. stenfilcon A control lens: contact lens
Lens Centration
Optimum
76 Participants
76 Participants
Lens Centration
Acceptable
1 Participants
1 Participants
Lens Centration
Unacceptable
0 Participants
0 Participants

SECONDARY outcome

Timeframe: 1 week on each study lenses

Lens centration was assessed on a 3 point scale (1-Optimum, 2- Decentration acceptable, 3-Decentration unacceptable)

Outcome measures

Outcome measures
Measure
Stenfilcon A Test Lens
n=77 Participants
All subjects will first wear stenfilcon A test contact lenses for one week. stenfilcon A test lens: contact lens
Stenfilcon A Control Lens
n=77 Participants
All subjects will first wear stenfilcon A control contact lenses for one week. stenfilcon A control lens: contact lens
Lens Centration
Optimum
75 Participants
76 Participants
Lens Centration
Acceptable
2 Participants
1 Participants
Lens Centration
Unacceptable
0 Participants
0 Participants

SECONDARY outcome

Timeframe: Baseline (after 10 minutes of lens dispense)

Post-blink movement assessed on a scale of 0-4, 1 step size (Scale: 0=Insufficient, 1=Minimal, 2=Optimal, 3=Moderate, 4=Excessive)

Outcome measures

Outcome measures
Measure
Stenfilcon A Test Lens
n=77 Participants
All subjects will first wear stenfilcon A test contact lenses for one week. stenfilcon A test lens: contact lens
Stenfilcon A Control Lens
n=77 Participants
All subjects will first wear stenfilcon A control contact lenses for one week. stenfilcon A control lens: contact lens
Post-blink Movement
2.04 units on a scale
Standard Deviation 0.34
1.97 units on a scale
Standard Deviation 0.36

SECONDARY outcome

Timeframe: 1 week on each study lenses

Post-blink movement assessed on a scale of 0-4, 1 step size (Scale: 0=Insufficient, 1=Minimal, 2=Optimal, 3=Moderate, 4=Excessive)

Outcome measures

Outcome measures
Measure
Stenfilcon A Test Lens
n=77 Participants
All subjects will first wear stenfilcon A test contact lenses for one week. stenfilcon A test lens: contact lens
Stenfilcon A Control Lens
n=77 Participants
All subjects will first wear stenfilcon A control contact lenses for one week. stenfilcon A control lens: contact lens
Post-blink Movement
1.92 units on a scale
Standard Deviation 0.42
1.96 units on a scale
Standard Deviation 0.34

Adverse Events

Stenfilcon A Test Lens

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

Stenfilcon A Control Lens

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

Jose A. Vega

CooperVision, Inc

Phone: 925-640-2964

Results disclosure agreements

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