- •Foreword
- •Preface
- •Contents
- •Contributors
- •Key Points
- •Introduction
- •Etiology
- •A Genetic Cause
- •Family Studies
- •Associations with Race
- •Specific Genes Conferring AMD Risk
- •Complement Factor H
- •C2-CFB Locus
- •Complement Component 3
- •Other Inflammatory Factor Variants
- •Toll-Like Receptor
- •VEGF-A
- •Genetic Variants on Chromosome 10q26
- •LOC387715/ARMS2
- •HTRA1
- •Other Genetic Variants
- •Apolipoprotein E
- •Fibulin 5
- •Hemicentin-1
- •LOC387715/HTRA1 and CFH
- •Genetic Predisposition to a Specific Late Phenotype
- •Conclusion
- •References
- •Key Points
- •Introduction
- •Smoking
- •Alcohol
- •Increased Light Exposure
- •Obesity
- •Exercise
- •Dietary Fat Intake
- •Phytochemicals
- •Ginkgo Biloba
- •Anthocyanins
- •Resveratrol
- •Epigallocatechin Gallate
- •Mineral Supplements
- •Summary
- •References
- •Key Points
- •Introduction
- •Classification
- •Nonexudative (Non-neovascular or Dry) AMD
- •Exudative (Neovascular or Wet) AMD
- •Retinal Angiomatous Proliferation
- •Polypoidal Vasculopathy
- •Diagnosis
- •Differential Diagnosis
- •Nonexudative AMD
- •Central Serous Chorioretinopathy (CSCR)
- •High Myopia
- •Stargardt’s Disease/Fundus Flavimaculatus
- •Cuticular Drusen
- •Pattern Dystrophy
- •Old Exudative AMD
- •Old Laser Scars
- •Other Conditions
- •Exudative AMD
- •Central Serous Chorioretinopathy
- •Idiopathic Polypoidal Choroidal Vasculopathy
- •Retinal Angiomatous Proliferation (RAP)
- •Presumed Ocular Histoplasmosis Syndrome (POHS)
- •Angioid Streaks
- •High Myopia
- •Cystoid Macular Edema
- •Traumatic Choroidal Rupture
- •Macular Hemorrhage
- •CNV Secondary to Laser
- •Idiopathic
- •Summary
- •References
- •Key Points
- •Introduction
- •Color Photography
- •Monochromatic Photography
- •Autofluorescence Imaging
- •Optical Coherence Tomography
- •Enhanced Depth Imaging
- •Fundus Angiography
- •Fluorescein Dye Characteristics
- •Indocyanine Green Dye Characteristics
- •Cameras and Angiography
- •Patient Consent and Instruction
- •Fluorescein Injection
- •Fluorescein Technique
- •Indocyanine Green Technique
- •The Macula
- •Deviations from Normal Angiographic Appearance
- •Indocyanine Green Angiographic Interpretation
- •Drusen
- •Choroidal Neovascularization
- •CNV and Fluorescein Angiography
- •Retinal Vascular Contribution to the Exudative Process
- •Fundus Imaging Characteristics of Therapies for Neovascular AMD
- •Thermal Laser
- •Photodynamic Therapy
- •Anti-VEGF Therapy
- •References
- •Key Points
- •Introduction
- •AREDS
- •Carotenoids
- •Beta-Carotene
- •Macular Xanthophylls
- •Fatty Acids
- •Vitamin E
- •Vitamin C
- •Zinc
- •Folate/B-Vitamins
- •AREDS2
- •Summary
- •References
- •6: Management of Neovascular AMD
- •Key Points
- •Introduction
- •Angiogenesis
- •An Overview of VEGF
- •VEGF-A Isoforms
- •VEGF-A Physiological Response
- •VEGF-A Response in Retinal Diseases
- •Antiangiogenic Drugs
- •Pegaptanib
- •Drug Overview
- •Published Trials
- •Bevacizumab
- •Drug Overview
- •Published Studies
- •Ranibizumab
- •Drug Overview
- •Published Trials
- •Safety Data
- •Upcoming Clinical Trials
- •Promising VEGF Inhibitors
- •Conclusion
- •References
- •Key Points
- •Introduction
- •Antinflammatory Therapy
- •Verteporfin Angioocclusive Therapy
- •Antiangiogenic Therapy
- •Rationale for Combination Therapy in the Treatment of Exudative AMD
- •Clinical Data Examining Combination Therapy for Exudative AMD
- •Verteporfin Therapy in Combination with Triamcinolone
- •Verteporfin PDT Therapy in Combination with Anti-VEGF Agents
- •Triple Therapy for Exudative Age-Related Macular Degeneration
- •Summary
- •References
- •Key Points
- •Drusen
- •Geographic Atrophy
- •Imaging Modalities in Dry AMD
- •Clinical Trials for Dry AMD
- •Study Design
- •Risk Reduction in Dry AMD
- •AREDS
- •Laser/CAPT
- •Anecortave Acetate
- •Control of Disease Progression
- •Visual Cycle Inhibition: Antioxidants
- •Antioxidants
- •Complement
- •Neuroprotective Agents
- •Modulators of Choroidal Circulation
- •Recovery
- •Gene Therapy
- •Stem Cell Therapy
- •Retinal Prostheses
- •Summary
- •References
- •Key Points
- •Introduction
- •Emerging and Future Therapies
- •Ranibizumab
- •Bevacizumab
- •VEGF Trap-Eye
- •Bevasiranib
- •Vatalanib
- •Pazopanib
- •Sirna-027
- •Anti-VEGFR Vaccine Therapy
- •Radiation
- •Epi-Rad90™ Ophthalmic System
- •IRay
- •Infliximab
- •Sirolimus
- •Gene Therapy
- •AdPEDF.11
- •AAV2-sFLT01
- •Other Pathways
- •Squalamine Lactate
- •Combretastatin A4 Phosphate/CA4P
- •Volociximab
- •NT-501, Ciliary Neurotrophic Factor
- •Sonepcizumab
- •Summary
- •References
- •Key Points
- •Introduction
- •Evidence-Based Medicine
- •Interventional Evidence
- •Masking
- •Dropout Rate
- •Validity
- •Risk Reduction
- •Pharmacoeconomic Analysis
- •Cost-Minimization Analysis
- •Cost-Benefit Analysis
- •Cost-Effectiveness Analysis
- •Quality-of-Life Instruments, Function-Based
- •Quality-of-Life Instruments, Preference-Based
- •Utility Acquisition
- •Utility Gain
- •Decision Analysis
- •Comparative Effectiveness (Human Value Gain)
- •Value Trumps Cost
- •Costs
- •Cost Basis
- •Cost Perspective
- •Cost-Utility Ratio
- •Cost-Effectiveness Standards
- •Discounting
- •Standardization
- •Patient Respondents
- •Cost Perspective
- •The Future
- •Macroeconomic Costs and AMD
- •Employment and Wage Loss
- •Gross Domestic Product (GDP)
- •Other Costs
- •Financial Return on Investment (ROI)
- •References
- •Index
8 The Future of Non-neovascular Age-Related Macular Degeneration |
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Fig. 8.3 Fundus photographs of the right (a) and left (b) eye in a patient with dry AMD shows deposition of variably sized drusen in the perifoveal and temporal paramacular region. Note that there is evidence of early RPE alterations and atrophy. Fundus AF of the right (c) and left
(d) eyes shows that there is a large area of well-defined central GA in both eyes. There is a faint, irregular rim of hyperfluorescence along the margins of the GA at the border of preserved and attenuated RPE
intraretinal fluid collection in neovascular AMD |
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Clinical Trials for Dry AMD |
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patients [13, 14]. |
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Study Design |
Pearl
FAF is a noninvasive measure of lipofuscin distribution and RPE integrity throughout the fundus. FAF can be utilized to monitor progression of patients with dry AMD. OCT is a noninvasive imaging modality that can be used to sequentially monitor the response to therapy. Fourier domain/spectral domain OCT provides greater image resolution and can be used to assess drusen volume using segmentation software.
Although there is no proven Food and Drug Administration (FDA)-approved drug treatment for GA, smoking cessation [15] and treatment based on oral supplements as outlined in the AgeRelated Eye Disease Study (AREDS) trial [16] may slow the disease progression. Numerous therapeutic strategies have been postulated with three main endpoints: preservation of photoreceptors and RPE (neuroprotection), prevention of oxidative damage, and suppression of inflammation. The most important endpoint to assess efficacy for dry AMD is obviously the preservation of visual
