Combination Therapy for Age-Related Macular Degeneration.

Status Completed

Clinical Trial Summary

The primary purpose of the study is to investigate whether patients with Choroidal Neovascularization secondary to Age-related Macular Degeneration, receiving triple or double therapy compared to monotherapy with Avastin will reduce the intervention rate with equivalent safety and efficacy.

Clinical Trial Description

Age-related macular degeneration (AMD) is the leading cause of irreversible blindness in developed countries throughout the world.The beneficial therapeutic effect of Photodynamic Therapy (PDT)in the treatment of AMD is modest. The treatment benefit of PDT may be moderated by PDT-induced, non-selective effects in the choroidal circulation (resulting in hypoxia-induced stimulation of angiogenesis through increased vascular endothelial growth factor (VEGF)production), direct injury to the retinal pigment epithelium, and subretinal fluid/hemorrhage or post-treatment inflammation secondary to PDT. There is potential that supplemental Avastin (through VEGF inhibition) or intravitreal Triamcinolone Acetonide (ITA) treatments (through non-specific membrane stabilizing, anti-neovascular, and anti-inflammatory activities) could minimize the effect of these processes, enhancing the efficacy of PDT. Presently, PDT, the current gold standard,in combination with Avastin and/or Kenalog is being more widely used in exactly this fashion and may become the standard of care without the necessary randomized clinical trial. However, the treatment benefit of these interventions is uncertain as is their safety profile.

This randomized, controlled trial addresses the potential supplemental therapeutic effect of intravitreal injection of Triamcinolone Acetonide and/or Avastin in conjunction with photodynamic therapy for the treatment of sub-foveal CNVM secondary to AMD. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Factorial Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00376701
Study type	Interventional
Source	Lawson Health Research Institute
Contact
Status	Completed
Phase	Phase 2
Start date	September 2006
Completion date	April 2009

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.