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Safety & Efficacy Study Evaluating the Combination of Bevasiranib & Lucentis Therapy in Wet AMD (CARBON) (CARBON)

Primary Purpose

Age Related Macular Degeneration

Status
Withdrawn
Phase
Phase 3
Locations
Study Type
Interventional
Intervention
Bevasiranib
ranibizumab
Sponsored by
OPKO Health, Inc.
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Age Related Macular Degeneration focused on measuring AMD, ARMD, Exudative Macular Degeneration, Bevasiranib, siRNA

Eligibility Criteria

50 Years - undefined (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  • Patients must be age 50 years or older
  • Patients must have predominantly classic, minimally classic or occult with no classic lesions secondary to Age Related Macular Degeneration.
  • The study eye must have ETDRS best corrected visual acuity of 69 to 24 letters (20/40 to 20/320 Snellen equivalent).
  • Patients must be willing and able to return for scheduled monthly follow-up visits for two-years.

Exclusion Criteria:

  • Prior pharmacologic treatment for AMD in the study (patients can not have previously received Avastin®/Lucentis®, Macugen®, or any other anti-VEGF agents, steroid treatments, PDT, radiation treatment, or any experimental therapies for AMD in the study eye)
  • Any intraocular surgery of the study eye within 12 weeks of screening
  • Previous posterior vitrectomy of the study eye
  • Advanced glaucoma or intraocular pressure above 22 mm Hg in the study eye despite treatment.

Sites / Locations

    Arms of the Study

    Arm 1

    Arm 2

    Arm 3

    Arm 4

    Arm Type

    Active Comparator

    Experimental

    Experimental

    Experimental

    Arm Label

    A

    B

    C

    D

    Arm Description

    Lucentis® (0.5 mg) every 4 weeks.

    Bevasiranib (1.0 mg) every 8 weeks beginning at week 12, after pre-treatment with 3 injections of Lucentis® and initial priming doses of bevasiranib at weeks 2 & 6.

    Bevasiranib (2.0 mg) every 8 weeks beginning at week 12, after pre-treatment with 3 injections of Lucentis® and initial priming doses of bevasiranib at weeks 2 & 6.

    Bevasiranib (2.5 mg) every 8 weeks beginning at week 12, after pre-treatment with 3 injections of Lucentis® and initial priming doses of bevasiranib at weeks 2 & 6.

    Outcomes

    Primary Outcome Measures

    Primary efficacy measure: The proportion of patients at week 60 in each group with a successful visual acuity outcome (as defined as avoidance of a 3, or more, line loss in vision).

    Secondary Outcome Measures

    Time from tx initiation to 1st use of rescue
    Distribution of change in VA from baseline to 60 weeks
    Proportion of patients at week 60 with a 3, or more, line gain in vision

    Full Information

    First Posted
    November 13, 2007
    Last Updated
    March 5, 2015
    Sponsor
    OPKO Health, Inc.
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    1. Study Identification

    Unique Protocol Identification Number
    NCT00557791
    Brief Title
    Safety & Efficacy Study Evaluating the Combination of Bevasiranib & Lucentis Therapy in Wet AMD (CARBON)
    Acronym
    CARBON
    Official Title
    A Phase 3, Randomized, Double-masked, Parallel-assignment and Dose-finding Study of Intravitreal Bevasiranib Sodium, Administered Every 8 Weeks as Maintenance Therapy Following Three Injections of Lucentis® Compared With Lucentis® Monotherapy Every 4 Weeks in Patients With Exudative Age-Related Macular Degeneration (AMD).
    Study Type
    Interventional

    2. Study Status

    Record Verification Date
    February 2011
    Overall Recruitment Status
    Withdrawn
    Why Stopped
    Study never initiated
    Study Start Date
    November 2009 (undefined)
    Primary Completion Date
    July 2011 (Anticipated)
    Study Completion Date
    July 2012 (Anticipated)

    3. Sponsor/Collaborators

    Name of the Sponsor
    OPKO Health, Inc.

    4. Oversight

    Data Monitoring Committee
    Yes

    5. Study Description

    Brief Summary
    The purpose of this study is to compare the safety and effectiveness of three doses of intravitreal bevasiranib sodium as maintenance therapy for Age-Related Macular Degeneration following initiation of anti-VEGF therapy with three doses of Lucentis®.

    6. Conditions and Keywords

    Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
    Age Related Macular Degeneration
    Keywords
    AMD, ARMD, Exudative Macular Degeneration, Bevasiranib, siRNA

    7. Study Design

    Primary Purpose
    Treatment
    Study Phase
    Phase 3
    Interventional Study Model
    Parallel Assignment
    Masking
    ParticipantCare ProviderInvestigatorOutcomes Assessor
    Allocation
    Randomized
    Enrollment
    0 (Actual)

    8. Arms, Groups, and Interventions

    Arm Title
    A
    Arm Type
    Active Comparator
    Arm Description
    Lucentis® (0.5 mg) every 4 weeks.
    Arm Title
    B
    Arm Type
    Experimental
    Arm Description
    Bevasiranib (1.0 mg) every 8 weeks beginning at week 12, after pre-treatment with 3 injections of Lucentis® and initial priming doses of bevasiranib at weeks 2 & 6.
    Arm Title
    C
    Arm Type
    Experimental
    Arm Description
    Bevasiranib (2.0 mg) every 8 weeks beginning at week 12, after pre-treatment with 3 injections of Lucentis® and initial priming doses of bevasiranib at weeks 2 & 6.
    Arm Title
    D
    Arm Type
    Experimental
    Arm Description
    Bevasiranib (2.5 mg) every 8 weeks beginning at week 12, after pre-treatment with 3 injections of Lucentis® and initial priming doses of bevasiranib at weeks 2 & 6.
    Intervention Type
    Drug
    Intervention Name(s)
    Bevasiranib
    Intervention Description
    Three doses (1.0mg, 2.0mg, 2.5mg) of bevasiranib administered intravitreally every 8 weeks
    Intervention Type
    Drug
    Intervention Name(s)
    ranibizumab
    Other Intervention Name(s)
    Lucentis®
    Intervention Description
    Lucentis® (0.5 mg) administered intravitreally every 4 weeks.
    Primary Outcome Measure Information:
    Title
    Primary efficacy measure: The proportion of patients at week 60 in each group with a successful visual acuity outcome (as defined as avoidance of a 3, or more, line loss in vision).
    Time Frame
    60 weeks
    Secondary Outcome Measure Information:
    Title
    Time from tx initiation to 1st use of rescue
    Time Frame
    60 weeks
    Title
    Distribution of change in VA from baseline to 60 weeks
    Time Frame
    60 weeks
    Title
    Proportion of patients at week 60 with a 3, or more, line gain in vision
    Time Frame
    60 weeks

    10. Eligibility

    Sex
    All
    Minimum Age & Unit of Time
    50 Years
    Accepts Healthy Volunteers
    No
    Eligibility Criteria
    Inclusion Criteria: Patients must be age 50 years or older Patients must have predominantly classic, minimally classic or occult with no classic lesions secondary to Age Related Macular Degeneration. The study eye must have ETDRS best corrected visual acuity of 69 to 24 letters (20/40 to 20/320 Snellen equivalent). Patients must be willing and able to return for scheduled monthly follow-up visits for two-years. Exclusion Criteria: Prior pharmacologic treatment for AMD in the study (patients can not have previously received Avastin®/Lucentis®, Macugen®, or any other anti-VEGF agents, steroid treatments, PDT, radiation treatment, or any experimental therapies for AMD in the study eye) Any intraocular surgery of the study eye within 12 weeks of screening Previous posterior vitrectomy of the study eye Advanced glaucoma or intraocular pressure above 22 mm Hg in the study eye despite treatment.
    Overall Study Officials:
    First Name & Middle Initial & Last Name & Degree
    Naveed Shams, MD
    Organizational Affiliation
    SVP at Opko Health
    Official's Role
    Study Director

    12. IPD Sharing Statement

    Learn more about this trial

    Safety & Efficacy Study Evaluating the Combination of Bevasiranib & Lucentis Therapy in Wet AMD (CARBON)

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