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CataractPhase 4NCT01261975

Co-Axial Micro-Incision Versus Co-Axial Small Incision Cataract Surgery Using the Stellaris Enhancement System

A Phase 4 study testing Coaxial Micro-Incision Cataract Surgery and Coaxial Small Incision Cataract Surgery in people with Cataract and Aphakia, run by Bausch & Lomb Incorporated.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The objective of this study is to test the hypothesis that the time to reach a stable refraction is significantly shorter in eyes operated with the 1.8 mm coaxial microincision compared to eyes operated with the 2.75 mm standard incision using the Stellaris Vision Enhancement System. Read more about this study

Who is it for?
Ages 50 years and older
Conditions the study is for
Cataract, Aphakia
What is being tested?
Coaxial Micro-Incision Cataract Surgery and Coaxial Small Incision Cataract Surgery
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
36 participants
Where
No sites listed yet
Study dates
Aug 2009to Jul 2010
Phase
Phase 4
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 50 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Subjects must be undergoing bilateral primary in-the-bag intraocular lens (IOL) implantation for the correction of aphakia.
  • Subject's ocular media must be clear except for the presence of the cataract in both eyes.

Who cannot join

  • Subject with any disease, which, in the Investigator's opinion, might interfere with the conduct of the study.

About this study

Official title: Co-Axial Micro-incision Cataract Surgery(C-MICS) Versus Standard Co-Axial Small Incision Cataract Surgery Using the Stellaris Enhancement System

The objective of this study is to test the hypothesis that the time to reach a stable refraction is significantly shorter in eyes operated with the 1.8 mm coaxial microincision compared to eyes operated with the 2.75 mm standard incision using the Stellaris Vision Enhancement System.

Conditions
Cataract, Aphakia
Being tested
Coaxial Micro-Incision Cataract Surgery, Coaxial Small Incision Cataract Surgery
Keywords
Ocular Surgery, Intraocular Lens
Medical subject headings
Cataract, Aphakia

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Coaxial Micro-Incision Cataract SurgeryProcedure or surgery

    Also called Stellaris Vision Enhancement System

    1.8 mm coaxial micro incision

  • Coaxial Small Incision Cataract SurgeryProcedure or surgery

    Also called Stellaris Vision Enhancement System

    2.75 mm coaxial incision

Study groups in NCT01261975
Study groupRoleWhat they receive
Coaxial Micro-Incision Cataract SurgeryExperimental1.8 mm coaxial microincision
Receives: Procedure: Coaxial Micro-Incision Cataract Surgery
Coaxial Small Incision Cataract SurgeryActive comparator2.75 mm standard incision
Receives: Procedure: Coaxial Small Incision Cataract Surgery

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Refractive Stability

    Cumulative portion of eyes achieving refractive stability within 0.5 D of the final value for the remainder of the trial by surgical procedure and visit.

    Measured: 12 weeks

Secondary outcomes (6)
  1. Best Corrected Visual Acuity

    Best corrected distance visual acuity(BCVA) was assessed using logMAR charts. Change from preoperative visit summarized by visit. A minus change represents an improvement of the visual acuity

    Measured: Visit 1, visit 2, visit 3, visit 4

  2. Best Corrected Visual Acuity

    Best corrected distance visual acuity(BCVA) was assessed using logMAR charts. Change from baseline summarized by visit. A minus change represents an improvement of the visual acuity.

    Measured: visit 5, visit 6, visit 7, visit 8

  3. Uncorrected Visual Acuity

    Uncorrected visual acuity(UCVA) was assessed using logMAR charts. Change from baseline summarized by visit.

    Measured: Visit 1, visit 2, visit 3, visit 4

  4. Uncorrected Visual Acuity

    Uncorrected visual acuity(UCVA) was assessed using logMAR charts. Change from baseline summarized by visit.

    Measured: visit 5, visit 6, visit 7, visit 8

  5. Surgically Induced Astigmatism (SIA)

    Surgically induced astigmatism was presented in dioptres at each visit.

    Measured: Visits 1-3

  6. Surgically Induced Astigmatism (SIA)

    Surgically induced astigmatism presented in dioptres at each visit.

    Measured: Visits 4-8

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted17 Dec 2010 (estimated)
  2. Study startAug 2009
  3. Primary completionApr 2010
  4. Study completionJul 2010

Resources

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 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Participant
Enrolment
36 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01261975
Sponsor's protocol ID
607
Status last verified
Jan 2012
First submitted
15 Dec 2010
Last updated
27 Feb 2012
Data monitoring committee
No

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Coaxial Micro-Incision Cataract Surgery and Coaxial Small Incision Cataract Surgery in people with Cataract and Aphakia, run by Bausch & Lomb Incorporated.

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 2 inclusion and 1 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 27 Feb 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.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 27 Feb 2012). 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?

Refractive Stability (time frame: 12 weeks). 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 27 Feb 2012.

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