Evaluation of Two Silicone Hydrogel Lenses Over a One Month Period

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Alcon Research ( CIBA VISION )
ClinicalTrials.gov Identifier:
NCT00810511
First received: December 17, 2008
Last updated: June 26, 2012
Last verified: January 2012
Results First Received: July 23, 2010  
Study Type: Interventional
Study Design: Allocation: Randomized;   Intervention Model: Parallel Assignment;   Masking: Double Blind (Subject, Investigator);   Primary Purpose: Treatment
Condition: Myopia
Interventions: Device: Lotrafilcon A contact lens
Device: Comfilcon A contact lens

  Participant Flow
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
No text entered.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
No text entered.

Reporting Groups
  Description
Lotrafilcon A Investigational, spherical, silicone hydrogel contact lenses
Comfilcon A Commercially marketed, spherical, silicone hydrogel contact lenses

Participant Flow:   Overall Study
    Lotrafilcon A     Comfilcon A  
STARTED     107     106  
COMPLETED     97     102  
NOT COMPLETED     10     4  
Protocol Violation                 0                 1  
Lack of Efficacy                 9                 1  
death in the family                 0                 1  
Lost to Follow-up                 1                 0  
deposits on contact lens                 0                 1  



  Baseline Characteristics
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Reporting Groups
  Description
Lotrafilcon A Investigational, spherical, silicone hydrogel contact lenses
Comfilcon A Commercially marketed, spherical, silicone hydrogel contact lenses
Total Total of all reporting groups

Baseline Measures
    Lotrafilcon A     Comfilcon A     Total  
Number of Participants  
[units: participants]
  107     106     213  
Age  
[units: participants]
     
<=18 years     11     10     21  
Between 18 and 65 years     96     96     192  
>=65 years     0     0     0  
Age  
[units: years]
Mean ± Standard Deviation
  30.6  ± 9.8     31.8  ± 11.0     31.2  ± 10.4  
Gender  
[units: participants]
     
Female     84     84     168  
Male     23     22     45  
Region of Enrollment  
[units: participants]
     
United States     107     106     213  



  Outcome Measures

1.  Primary:   Comfort at End of Day   [ Time Frame: After 4 weeks of wear ]
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Measure Type Primary
Measure Title Comfort at End of Day
Measure Description Evaluated by the subject as a single, retrospective evaluation of 4-week wear time. Measured on a 10-point scale, with 1 being poor and 10 being excellent.
Time Frame After 4 weeks of wear  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
One subject in the Lotrafilcon A arm was excluded from efficacy analysis due to a protocol deviation.

Reporting Groups
  Description
Lotrafilcon A Investigational, spherical, silicone hydrogel contact lenses
Comfilcon A Commercially marketed, spherical, silicone hydrogel contact lenses

Measured Values
    Lotrafilcon A     Comfilcon A  
Number of Participants Analyzed  
[units: participants]
  96     102  
Comfort at End of Day  
[units: Scale of 1-10]
Mean ± Standard Deviation
  6.5  ± 2.4     6.9  ± 2.4  

No statistical analysis provided for Comfort at End of Day




  Serious Adverse Events


  Other Adverse Events


  More Information
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Certain Agreements:  
Principal Investigators are NOT employed by the organization sponsoring the study.
There IS an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.
The agreement is:
unchecked The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release and can embargo communications regarding trial results for a period that is less than or equal to 60 days. The sponsor cannot require changes to the communication and cannot extend the embargo.
unchecked The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release and can embargo communications regarding trial results for a period that is more than 60 days but less than or equal to 180 days. The sponsor cannot require changes to the communication and cannot extend the embargo.


Limitations and Caveats
Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
No text entered.  


Results Point of Contact:  
Name/Title: Priya Janakiraman, OD, FAAO / Head, Global Clinical Affairs
Organization: CIBA VISION
phone: 1-800-241-7629
e-mail: priya.janakiraman@cibavision.com


No publications provided


Responsible Party: Alcon Research ( CIBA VISION )
ClinicalTrials.gov Identifier: NCT00810511     History of Changes
Other Study ID Numbers: P-335-C-007
Study First Received: December 17, 2008
Results First Received: July 23, 2010
Last Updated: June 26, 2012
Health Authority: United States: Institutional Review Board