MyopiaNCT00808834
Non-dispense Comfort Comparison of Two Silicone Hydrogel Lenses
A study testing Lotrafilcon A contact lens and Senofilcon A contact lens in people with Myopia, run by CIBA VISION.
Trial summary
The purpose of this study is to compare subjective responses to two contact lenses after 15 minutes of wear. Read more about this study
- Who is it for?
- Any age
- Conditions the study is for
- Myopia
- What is being tested?
- Lotrafilcon A contact lens and Senofilcon A contact lens
- Type of treatment
- Medical device
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 196 participants
- Where
- No sites listed yet
- Study dates
- Nov 2008to Dec 2008
- Phase
- Interventional
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages Any age
- All sexes
- No healthy volunteers
- Child, Adult, Older adult
Who may be able to join
- Currently wearing soft contact lenses
- Replaces lenses on a weekly or longer schedule
- Other protocol-defined inclusion/exclusion criteria may apply
Who cannot join
- Requires concurrent ocular medication
- Eye injury or surgery within twelve weeks immediately prior to enrollment
- Currently wearing soft toric lens wearers
- Those who dispose of their soft lenses on a daily basis
- Other protocol-defined inclusion/exclusion criteria may apply
About this study
The purpose of this study is to compare subjective responses to two contact lenses after 15 minutes of wear.
- Conditions
- Myopia
- Being tested
- Lotrafilcon A contact lens, Senofilcon A contact lens
- Medical subject headings
- Myopia
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Lotrafilcon A contact lensDevice
Investigational, silicone hydrogel, spherical, soft contact lens
Senofilcon A contact lensDevice
Commercially marketed, silicone hydrogel, spherical, soft contact lens
| Study group | Role | What they receive |
|---|---|---|
| Senofilcon A / Lotrafilcon A | Other | Senofilcon A, followed by Lotrafilcon A Receives: Device: Lotrafilcon A contact lens; Device: Senofilcon A contact lens |
| Lotrafilcon A / Senofilcon A | Other | Lotrafilcon A, followed by Senofilcon A Receives: Device: Lotrafilcon A contact lens; Device: Senofilcon A contact lens |
What is being measured
The primary outcome is the main question the study is designed to answer.
Comfort After Insertion
Evaluated by the subject and measured on a 10-point scale, with 1 being poor and 10 being excellent.
Measured: 30-60 seconds after initial insertion
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted16 Dec 2008 (estimated)
- Study startNov 2008
- Primary completionDec 2008
- Study completionDec 2008
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Other trials for MyopiaStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- Double blind
- Who is masked
- Participant, Investigator
- Enrolment
- 196 participants (actual)
Sponsor and investigators
- Lead sponsor
- CIBA VISION
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00808834
- Sponsor's protocol ID
- P-335-C-008
- Status last verified
- Jan 2012
- First submitted
- 11 Dec 2008
- Last updated
- 29 Jun 2012
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
Study at a glance
From the registry record, last updated by the sponsor on 29 Jun 2012. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Non-dispense Comfort Comparison of Two Silicone Hydrogel Lenses
- ClinicalTrials.gov ID
- NCT00808834
- Acronym / sponsor ID
- P-335-C-008
- Conditions
- Myopia
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 196 participants (actual)
- Lead sponsor
- CIBA VISIONIndustry (pharma, biotech, devices)
- Study start
- Nov 2008
- Primary completion
- Dec 2008 (actual)
- Study completion
- Dec 2008 (actual)
- First posted
- 16 Dec 2008 (estimated)
- Results
- Posted 4 Oct 2010
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this study is to compare subjective responses to two contact lenses after 15 minutes of wear.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- Double blind (participant, investigator)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Senofilcon A / Lotrafilcon A | Other | Device: Lotrafilcon A contact lens, Device: Senofilcon A contact lensSenofilcon A, followed by Lotrafilcon A |
| Lotrafilcon A / Senofilcon A | Other | Device: Lotrafilcon A contact lens, Device: Senofilcon A contact lensLotrafilcon A, followed by Senofilcon A |
Who may qualify
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult, Older adult
Key inclusion criteria (3 listed)
- Currently wearing soft contact lenses
- Replaces lenses on a weekly or longer schedule
- Other protocol-defined inclusion/exclusion criteria may apply
Key exclusion criteria (5 listed)
- Requires concurrent ocular medication
- Eye injury or surgery within twelve weeks immediately prior to enrollment
- Currently wearing soft toric lens wearers
- Those who dispose of their soft lenses on a daily basis
- Other protocol-defined inclusion/exclusion criteria may apply
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Lotrafilcon A contact lensInvestigational, silicone hydrogel, spherical, soft contact lens | Device | Lotrafilcon A / Senofilcon A, Senofilcon A / Lotrafilcon A |
| Senofilcon A contact lensCommercially marketed, silicone hydrogel, spherical, soft contact lens | Device | Lotrafilcon A / Senofilcon A, Senofilcon A / Lotrafilcon A |
Primary outcome
Comfort After Insertion
Time frame: 30-60 seconds after initial insertion
Evaluated by the subject and measured on a 10-point scale, with 1 being poor and 10 being excellent.
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 29 Jun 2012.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
Questions about this trial
What is this clinical trial studying?
A study testing Lotrafilcon A contact lens and Senofilcon A contact lens in people with Myopia, run by CIBA VISION.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 3 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 29 Jun 2012. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
Yes. Results are posted in the registry (first posted 4 Oct 2010). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Comfort After Insertion (time frame: 30-60 seconds after initial insertion). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 29 Jun 2012.