Trial Outcomes & Findings for Comparing Biofinity Toric Multifocal to Ultra Multifocal for Astigmatism (NCT NCT04404725)

NCT ID: NCT04404725

Last Updated: 2022-03-03

Results Overview

Subjective at-home ratings for ease of lens handling for insertion, using a 0-10 scale (0-Very difficult, 10 - Very easy).

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

64 participants

Primary outcome timeframe

Day 28

Results posted on

2022-03-03

Participant Flow

Of the 64 eligible participants, 63 were dispensed with study products, and one participant withdrew after the screening visit due to lens handling and general time commitment concerns.

Participant milestones

Participant milestones
Measure
Comfilcon A Then Samfilcon A
Subjects were randomized to wear comfilcon A for one month then Samfilcon A for one month in this randomized, bilateral cross-over study. comfilcon A: Subjects will be randomized to wear comfilcon A for one month. Samfilcon A: Subjects will be randomized to wear samfilcon A for one month.
Samfilcon A Then Comfilcon A
Subjects were randomized to wear samfilcon A for one month then comfilcon A for one month in this randomized, bilateral cross-over study. comfilcon A: Subjects will be randomized to wear comfilcon A for one month. Samfilcon A: Subjects will be randomized to wear samfilcon A for one month.
First Intervention
STARTED
32
31
First Intervention
COMPLETED
32
29
First Intervention
NOT COMPLETED
0
2
Second Intervention
STARTED
32
29
Second Intervention
COMPLETED
31
27
Second Intervention
NOT COMPLETED
1
2

Reasons for withdrawal

Reasons for withdrawal
Measure
Comfilcon A Then Samfilcon A
Subjects were randomized to wear comfilcon A for one month then Samfilcon A for one month in this randomized, bilateral cross-over study. comfilcon A: Subjects will be randomized to wear comfilcon A for one month. Samfilcon A: Subjects will be randomized to wear samfilcon A for one month.
Samfilcon A Then Comfilcon A
Subjects were randomized to wear samfilcon A for one month then comfilcon A for one month in this randomized, bilateral cross-over study. comfilcon A: Subjects will be randomized to wear comfilcon A for one month. Samfilcon A: Subjects will be randomized to wear samfilcon A for one month.
First Intervention
Withdrawal by Subject
0
2
Second Intervention
Adverse Event
1
1
Second Intervention
Withdrawal by Subject
0
1

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Overall Study
n=64 Participants
Subjects were randomized to wear comfilcon A for one month then Samfilcon A for one month in this randomized, bilateral cross-over study. The baseline measures include information of all 64 eligible participants. Of the 64 eligible participants, 63 were dispensed with study products, and one participant withdrew after the screening visit due to lens handling and general time commitment concerns.
Age, Categorical
<=18 years
0 Participants
n=64 Participants
Age, Categorical
Between 18 and 65 years
64 Participants
n=64 Participants
Age, Categorical
>=65 years
0 Participants
n=64 Participants
Age, Continuous
53.9 years
STANDARD_DEVIATION 8.9 • n=64 Participants
Sex: Female, Male
Female
47 Participants
n=64 Participants
Sex: Female, Male
Male
17 Participants
n=64 Participants
Region of Enrollment
Canada
48 participants
n=64 Participants
Region of Enrollment
United States
16 participants
n=64 Participants

PRIMARY outcome

Timeframe: Day 28

Population: Out of 58 subjects who completed the study, data of three participants from the comfilcon A Arm /group and data of two participants from samfilcon A Arm / group was excluded from the analysis due to minor protocol deviations.

Subjective at-home ratings for ease of lens handling for insertion, using a 0-10 scale (0-Very difficult, 10 - Very easy).

Outcome measures

Outcome measures
Measure
Comfilcon A
n=55 Participants
Subjects were randomized to wear comfilcon A for one month in this randomized, bilateral cross-over study.
Samfilcon A
n=56 Participants
Subjects were randomized to wear samfilcon A for one month in this randomized, bilateral cross-over study.
Ease of Lens Handling at Insertion
8.6 score on a scale
Standard Deviation 1.6
8.8 score on a scale
Standard Deviation 1.8

Adverse Events

Comfilcon A

Serious events: 0 serious events
Other events: 9 other events
Deaths: 0 deaths

Samfilcon A

Serious events: 0 serious events
Other events: 9 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Comfilcon A
n=61 participants at risk
Subjects were randomized to wear comfilcon A for one month in this randomized, bilateral cross-over study.
Samfilcon A
n=63 participants at risk
Subjects were randomized to wear samfilcon A for one month in this randomized, bilateral cross-over study.
Eye disorders
conjunctivitis
8.2%
5/61 • Number of events 5 • One month on each study lenses, a total of two months.
7.9%
5/63 • Number of events 5 • One month on each study lenses, a total of two months.
Eye disorders
Infiltrative Keratitis
3.3%
2/61 • Number of events 2 • One month on each study lenses, a total of two months.
0.00%
0/63 • One month on each study lenses, a total of two months.
General disorders
Non-Ocular Event
3.3%
2/61 • Number of events 2 • One month on each study lenses, a total of two months.
6.3%
4/63 • Number of events 4 • One month on each study lenses, a total of two months.

Additional Information

Jose Vega, OD, MSc, FAAO

CooperVision, Inc

Phone: 9256213761

Results disclosure agreements

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