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AzTrials

Age Related Macular DegenerationPhase 3CARBONNCT00557791

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

A Phase 3 study testing Bevasiranib and ranibizumab in people with Age Related Macular Degeneration, run by OPKO Health, Inc..

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial 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®. Read more about this study

Who is it for?
Ages 50 years and older
Conditions the study is for
Age Related Macular Degeneration
What is being tested?
Bevasiranib and ranibizumab
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
0 participants
Where
No sites listed yet
Study dates
Nov 2009to Jul 2012
Phase
Phase 3
Are there results?
None posted in the registry

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

  • 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.

Who cannot join

  • 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.

About this study

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).

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®.

Being tested
Bevasiranib, ranibizumab
Keywords
AMD, ARMD, Exudative Macular Degeneration, Bevasiranib, siRNA
Medical subject headings
Macular Degeneration, Wet Macular Degeneration

What participants receive

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

  • BevasiranibDrug

    Three doses (1.0mg, 2.0mg, 2.5mg) of bevasiranib administered intravitreally every 8 weeks

  • ranibizumabDrug

    Also called Lucentis®

    Lucentis® (0.5 mg) administered intravitreally every 4 weeks.

Study groups in NCT00557791
Study groupRoleWhat they receive
AActive comparatorLucentis® (0.5 mg) every 4 weeks.
Receives: Drug: ranibizumab
BExperimentalBevasiranib (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.
Receives: Drug: Bevasiranib
CExperimentalBevasiranib (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.
Receives: Drug: Bevasiranib
DExperimentalBevasiranib (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.
Receives: Drug: Bevasiranib

What is being measured

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

  1. 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).

    Measured: 60 weeks

Secondary outcomes (3)
  1. Time from tx initiation to 1st use of rescue

    Measured: 60 weeks

  2. Distribution of change in VA from baseline to 60 weeks

    Measured: 60 weeks

  3. Proportion of patients at week 60 with a 3, or more, line gain in vision

    Measured: 60 weeks

Timeline

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

  1. First posted14 Nov 2007 (estimated)
  2. Study startNov 2009
  3. Primary completionJul 2011 (estimated)
  4. Study completionJul 2012 (estimated)

Why it stopped: Study never initiated

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 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00557791
Sponsor's protocol ID
ACU302
Acronym
CARBON
Status last verified
Feb 2011
First submitted
13 Nov 2007
Last updated
6 Mar 2015
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Bevasiranib and ranibizumab in people with Age Related Macular Degeneration, run by OPKO Health, Inc..

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 4 inclusion and 4 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: withdrawn, as of the sponsor's last update on 6 Mar 2015. 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 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

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

Are results available for this study?

The study was withdrawn before enrolling participants, so there are no results.

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?

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). 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 6 Mar 2015.

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