Trial Outcomes & Findings for Evaluation of the Performance of Non-molded Soft Contact Lenses (NCT NCT00371787)

NCT ID: NCT00371787

Last Updated: 2011-01-10

Results Overview

level of vision measured using high contrast acuity chart, higher (more positive)logMAR indicates worse vision.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

38 participants

Primary outcome timeframe

baseline

Results posted on

2011-01-10

Participant Flow

Participants recruited from local communities in Kitchener-Waterloo, Canada between July 2006 and Feb 2007

38 participants recruited and screened; 4 withdrew by subject

Participant milestones

Participant milestones
Measure
Treatment Group
soft lens wearers with sign of hypoxia and high prescription
Control Group
normal non-lens wearers
Overall Study
STARTED
26
12
Overall Study
COMPLETED
23
11
Overall Study
NOT COMPLETED
3
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Treatment Group
soft lens wearers with sign of hypoxia and high prescription
Control Group
normal non-lens wearers
Overall Study
Withdrawal by Subject
3
1

Baseline Characteristics

Evaluation of the Performance of Non-molded Soft Contact Lenses

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Treatment Group
n=26 Participants
soft lens wearers with sign of hypoxia and high prescription
Control Group
n=12 Participants
normal non-lens wearers
Total
n=38 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
26 Participants
n=5 Participants
12 Participants
n=7 Participants
38 Participants
n=5 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age Continuous
31.6 years
STANDARD_DEVIATION 10.75 • n=5 Participants
33.25 years
STANDARD_DEVIATION 6.9 • n=7 Participants
32.4 years
STANDARD_DEVIATION 9.9 • n=5 Participants
Sex: Female, Male
Female
18 Participants
n=5 Participants
8 Participants
n=7 Participants
26 Participants
n=5 Participants
Sex: Female, Male
Male
8 Participants
n=5 Participants
4 Participants
n=7 Participants
12 Participants
n=5 Participants
Region of Enrollment
Canada
26 participants
n=5 Participants
12 participants
n=7 Participants
38 participants
n=5 Participants

PRIMARY outcome

Timeframe: baseline

Population: Per Protocol. Only the data from participants who completed all study visits were analyzed.

level of vision measured using high contrast acuity chart, higher (more positive)logMAR indicates worse vision.

Outcome measures

Outcome measures
Measure
Treatment Group
n=26 Participants
soft lens wearers with sign of hypoxia and high prescription
Control Group
n=12 Participants
normal non-lens wearers
Visual Acuity
0.01 logMAR
Standard Deviation 0.09
-0.07 logMAR
Standard Deviation 0.11

PRIMARY outcome

Timeframe: 9 month

level of vision measured using high contrast acuity chart, higher (more positive)logMAR indicates worse vision.

Outcome measures

Outcome measures
Measure
Treatment Group
n=26 Participants
soft lens wearers with sign of hypoxia and high prescription
Control Group
n=12 Participants
normal non-lens wearers
Visual Acuity
0.01 logMAR
Standard Deviation 0.09
-0.08 logMAR
Standard Deviation 0.10

PRIMARY outcome

Timeframe: baseline

length of the blood vessels entering the superior cornea, higher number means longer blood vessel penetration.

Outcome measures

Outcome measures
Measure
Treatment Group
n=26 Participants
soft lens wearers with sign of hypoxia and high prescription
Control Group
n=12 Participants
normal non-lens wearers
Neovascularisation
0.84 mm
Standard Deviation 0.39
0.35 mm
Standard Deviation 0.16

PRIMARY outcome

Timeframe: 9 month

length of the blood vessels entering the superior cornea, higher number means longer blood vessel penetration.

Outcome measures

Outcome measures
Measure
Treatment Group
n=26 Participants
soft lens wearers with sign of hypoxia and high prescription
Control Group
n=12 Participants
normal non-lens wearers
Neovascularization
0.63 mm
Standard Deviation 0.2
0.35 mm
Standard Deviation 0.19

Adverse Events

Treatment Group

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

Control Group

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

Dr. Craig Woods

Centre for Contact Lens Research

Phone: 1-519-888-4567

Results disclosure agreements

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