Trial Outcomes & Findings for Vistakon Investigational Lens Worn as a Single Use Daily Wear (NCT NCT01031004)

NCT ID: NCT01031004

Last Updated: 2018-06-19

Results Overview

Investigators examined subjects using a slit lamp and the following scale:0=none, 1=trace, 2=mild, 3=moderate, 4= severe. This outcome measures the number of eyes that had corneal neovascularization graded 2 or higher at the 1-week visit.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

50 participants

Primary outcome timeframe

after 1 month of lens wear

Results posted on

2018-06-19

Participant Flow

Participant milestones

Participant milestones
Measure
Narafilcon B
single use, daily wear contact lens
Etafilcon A
contact lens worn as single use, daily wear
Overall Study
STARTED
25
25
Overall Study
COMPLETED
24
24
Overall Study
NOT COMPLETED
1
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Narafilcon B
single use, daily wear contact lens
Etafilcon A
contact lens worn as single use, daily wear
Overall Study
Protocol Violation
0
1
Overall Study
Lost to Follow-up
1
0

Baseline Characteristics

Vistakon Investigational Lens Worn as a Single Use Daily Wear

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Narafilcon B
n=25 Participants
single use, daily wear contact lens
Etafilcon A
n=25 Participants
contact lens worn as single use, daily wear
Total
n=50 Participants
Total of all reporting groups
Age, Continuous
29.2 years
STANDARD_DEVIATION 8.19 • n=5 Participants
29.2 years
STANDARD_DEVIATION 8.08 • n=7 Participants
29.2 years
STANDARD_DEVIATION 8.13 • n=5 Participants
Sex: Female, Male
Female
17 Participants
n=5 Participants
18 Participants
n=7 Participants
35 Participants
n=5 Participants
Sex: Female, Male
Male
8 Participants
n=5 Participants
7 Participants
n=7 Participants
15 Participants
n=5 Participants
Region of Enrollment
United States
25 participants
n=5 Participants
25 participants
n=7 Participants
50 participants
n=5 Participants

PRIMARY outcome

Timeframe: after 1 week of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Investigators examined subjects using a slit lamp and the following scale: 0=none, 1=trace, 2=mild, 3=moderate, 4=severe. This outcome measures the number of eyes that had corneal edema graded 2 or higher at the 1-week visit.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Slit Lamp Findings - Corneal Edema
0 eyes
0 eyes

PRIMARY outcome

Timeframe: after 1 month of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Number of eyes with corneal edema graded 2 or higher at the 1 month visit. Investigators examined subjects using a slit lamp and the following scale: 0=none, 1=trace, 2=mild, 3=moderate, 4=severe.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Corneal Edema at Month 1
0 eyes
0 eyes

PRIMARY outcome

Timeframe: after 1 week of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Investigators examined subjects using a slit lamp and the following scale:0=none, 1=trace, 2=mild, 3=moderate, 4= severe. This outcome measures the number of eyes that had corneal neovascularization graded 2 or higher at the 1-week visit.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Slit Lamp Findings - Corneal Neovascularization
0 eyes
0 eyes

PRIMARY outcome

Timeframe: after 1 month of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Investigators examined subjects using a slit lamp and the following scale:0=none, 1=trace, 2=mild, 3=moderate, 4= severe. This outcome measures the number of eyes that had corneal neovascularization graded 2 or higher at the 1-week visit.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Slit Lamp Findings - Corneal Neovascularization
0 eyes
0 eyes

PRIMARY outcome

Timeframe: after 1 week of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Investigators examined subjects using a slit lamp and the following scale:0=none, 1=trace, 2=mild, 3=moderate, 4= severe. This outcome measures the number of eyes that had corneal staining graded 2 or higher at the 1-week visit.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Slit Lamp Findings - Corneal Staining
0 eyes
0 eyes

PRIMARY outcome

Timeframe: after 1 month of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Investigators examined subjects using a slit lamp and the following scale:0=none, 1=trace, 2=mild, 3=moderate, 4= severe. This outcome measures the number of eyes that had corneal staining graded 2 or higher at the 1-week visit.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Slit Lamp Findings - Corneal Staining
1 eyes
0 eyes

PRIMARY outcome

Timeframe: after 1 week of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Investigators examined subjects using a slit lamp and the following scale:0=none, 1=trace, 2=mild, 3=moderate, 4= severe. This outcome measures the number of eyes that had injection graded 2 or higher at the 1-week visit.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Slit Lamp Findings - Injection
0 eyes
0 eyes

PRIMARY outcome

Timeframe: after 1 month of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Investigators examined subjects using a slit lamp and the following scale:0=none, 1=trace, 2=mild, 3=moderate, 4= severe. This outcome measures the number of eyes that had injection graded 2 or higher at the 1-week visit.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Slit Lamp Findings - Injection
0 eyes
0 eyes

PRIMARY outcome

Timeframe: after 1 week of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Investigators examined subjects using a slit lamp and the following scale:0=none, 1=trace, 2=mild, 3=moderate, 4= severe. This outcome measures the number of eyes that had tarsal abnormalities graded 2 or higher at the 1-week visit.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Slit Lamp Findings - Tarsal Abnormalities
0 eyes
0 eyes

PRIMARY outcome

Timeframe: after 1 month of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Investigators examined subjects using a slit lamp and the following scale:0=none, 1=trace, 2=mild, 3=moderate, 4= severe. This outcome measures the number of eyes that had tarsal abnormalities graded 2 or higher at the 1-week visit.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Slit Lamp Findings - Tarsal Abnormalities
0 eyes
0 eyes

PRIMARY outcome

Timeframe: after 1 week of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Investigators examined subjects using a slit lamp and recorded the presence or absence of infiltrates. This outcome measures the number of eyes that had infiltrates present at the 1-week visit.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Slit Lamp Findings - Infiltrates
0 eyes
0 eyes

PRIMARY outcome

Timeframe: after 1 month of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Investigators examined subjects using a slit lamp and recorded the presence or absence of infiltrates. This outcome measures the number of eyes that had infiltrates present at the 1-week visit.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Slit Lamp Findings - Infiltrates
0 eyes
0 eyes

PRIMARY outcome

Timeframe: after 1 week of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Number of eyes in which subjects reported lens-related symptoms after 1 week of lens wear.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Subject Reported Symptoms
15 eyes
8 eyes

PRIMARY outcome

Timeframe: after 1 month of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Number of eyes in which subjects reported lens-related symptoms after 1 month of lens wear.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Subject Reported Symptoms
14 eyes
5 eyes

PRIMARY outcome

Timeframe: after 1 week

Population: This analysis includes all participants that completed the study per protocol.

Investigators assessed visual acuity per eye using a Snellen visual acuity chart. This outcome measures the number of eyes, wearing vision correction, that measured visual acuity worse than 20/30 at the 1-week visit.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Visual Acuity (VA)
0 eyes
0 eyes

PRIMARY outcome

Timeframe: after 1 month

Population: This analysis includes all participants that completed the study per protocol.

Investigators assessed visual acuity per eye using a Snellen visual acuity chart. This outcome measures the number of eyes, wearing vision correction, that measured visual acuity worse than 20/30 at the 1-month visit.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=48 eyes
single use, daily wear contact lens
Etafilcon A
n=48 eyes
contact lens worn as single use, daily wear
Visual Acuity (VA)
0 eyes
0 eyes

PRIMARY outcome

Timeframe: after 1 week of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=24 Participants
single use, daily wear contact lens
Etafilcon A
n=24 Participants
contact lens worn as single use, daily wear
Average Wear Time
13.9 hours per day
Standard Deviation 1.91
13.7 hours per day
Standard Deviation 2.41

PRIMARY outcome

Timeframe: after 1 month of lens wear

Population: This analysis includes all participants that completed the study per protocol.

Outcome measures

Outcome measures
Measure
Narafilcon B
n=24 Participants
single use, daily wear contact lens
Etafilcon A
n=24 Participants
contact lens worn as single use, daily wear
Average Wear Time
13.6 hours per day
Standard Deviation 2.33
13.8 hours per day
Standard Deviation 2.24

Adverse Events

Narafilcon B

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

Etafilcon 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

John Buch/Principal Research Optometrist

Vistakon

Phone: 904-443-1707

Results disclosure agreements

  • Principal investigator is a sponsor employee The PI may not publish, divulge, reveal, disclose, or use the data and or results of the study without prior written consent of Vistakon.
  • Publication restrictions are in place

Restriction type: OTHER