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Verteporfin photodynamic therapy for neovascular age-related ...

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100 Appendix 1Box 2 Key advant<strong>age</strong>s of the VPDT cohort study• The study provides a pioneering framework within which the introduction of anew technology is man<strong>age</strong>d and evaluated.• The study will address the gaps in knowledge about cost-effectiveness andoptimal treatment regimens <strong>for</strong> patients with predominantly classic CNV withoccult (NICE paragraph 1.2) and patients with classic CNV without occult (NICEparagraph 1.1).• We will learn more about the effectiveness of PDT <strong>for</strong> the treatment of CNVresulting from non-AMD causes of CNV• The VPDT cohort study also provides a means to quality assure clinical practicethrough standardised training and feedback.3.2 Objectives of the VPDT cohort study1. To estimate the prevalence and incidence of patients with CNV being referred <strong>for</strong>PDT and who meet the eligibility criteria <strong>for</strong> treatment.2. To describe the clinical man<strong>age</strong>ment of patients with CNV being referred <strong>for</strong> PDTand who meet eligibility criteria <strong>for</strong> treatment.3. To characterise changes over time in clinical outcomes, self-reported visualfunctioning (SRVF), generic quality of life (QoL) and the societal costs of illness inpatients receiving PDT and who meet eligibility criteria <strong>for</strong> treatment.4. To describe the relationship between clinical outcomes, SRVF and health-<strong>related</strong>QoL.5. To estimate incremental cost-effectiveness, cost-utility and cost impact on theNHS (using data estimated <strong>for</strong> objectives 1-4) of implementing PDT in the NHS<strong>for</strong> patients who meet eligibility criteria <strong>for</strong> treatment.3.3 General Study DesignThe VPDT study is a cohort study of the outcomes of treatment with PDT. It willcollect standardised and robust clinical in<strong>for</strong>mation on patients undergoing verteporfin<strong>photodynamic</strong> <strong>therapy</strong> within the UK. The diagram showing the overview of the studyis shown in Figure 1. Brief and relevant medical and lifestyle history will be recorded.Tests will include measures of vision, fundus photography and angiography and

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