NCT01007812

Brief Summary

The purpose of this trial is to compare the performance of two different contact lenses for contact lens wearers with astigmatism.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
50

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Oct 2009

Shorter than P25 for not_applicable

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 1, 2009

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2009

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2009

Completed
1 day until next milestone

First Submitted

Initial submission to the registry

November 2, 2009

Completed
2 days until next milestone

First Posted

Study publicly available on registry

November 4, 2009

Completed
1 year until next milestone

Results Posted

Study results publicly available

November 17, 2010

Completed
Last Updated

June 29, 2012

Status Verified

January 1, 2012

Enrollment Period

1 month

First QC Date

November 2, 2009

Results QC Date

September 29, 2010

Last Update Submit

June 26, 2012

Conditions

Outcome Measures

Primary Outcomes (1)

  • Overall Vision

    Overall vision, as interpreted by the subject and reported by the subject on a questionnaire as a single, retrospective evaluation of one week's wear time. Overall vision was measured on a 10-point scale, with 1 being poor and 10 being excellent.

    After 1 week of wear

Study Arms (2)

Lotrafilcon B / Comfilcon A

OTHER

Lotrafilcon B silicone hydrogel, toric, soft contact lenses worn for one week, followed by Comfilcon A silicone hydrogel, toric, soft contact lenses worn for one week.

Device: Lotrafilcon B contact lensDevice: Comfilcon A contact lens

Comfilcon A / Lotrafilcon B

OTHER

Comfilcon A silicone hydrogel, toric, soft contact lenses worn for one week, followed by Lotrafilcon B silicone hydrogel, toric, soft contact lenses worn for one week.

Device: Lotrafilcon B contact lensDevice: Comfilcon A contact lens

Interventions

Silicone hydrogel, toric, soft contact lens

Comfilcon A / Lotrafilcon BLotrafilcon B / Comfilcon A

Silicone hydrogel, toric, soft contact lens

Comfilcon A / Lotrafilcon BLotrafilcon B / Comfilcon A

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Have a current spectacle prescription, preferably within 6-9 months.
  • Currently wearing toric soft contact lenses in both eyes with at least 1 month experience wearing current brand for daily wear.
  • Be correctable to at least 20/40 distance visual acuity in each eye while wearing trial lenses in the parameters available for this trial.
  • Have acceptable or optimal fit for each eye at the dispense of each pair of study lenses.

You may not qualify if:

  • Eye injury or surgery within twelve weeks immediately prior to enrollment for this trial.
  • Currently enrolled in any Clinical Trial.
  • Evidence of systemic or ocular abnormality, infection or disease which is likely to affect successful wear of contact lenses or use of their accessory solutions as determined by the investigator.
  • Any use of medications for which contact lens wear could be contraindicated as determined by the investigator.
  • Currently wearing soft toric contact lenses as extended wear.
  • Currently wearing either of the products to be worn in the study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Astigmatism

Condition Hierarchy (Ancestors)

Refractive ErrorsEye Diseases

Results Point of Contact

Title
Priya Janakiraman, OD, FAAO / Head, Global Clinical Affairs
Organization
CIBA VISION

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
CROSSOVER
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 2, 2009

First Posted

November 4, 2009

Study Start

October 1, 2009

Primary Completion

November 1, 2009

Study Completion

November 1, 2009

Last Updated

June 29, 2012

Results First Posted

November 17, 2010

Record last verified: 2012-01