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  • Title: Photodynamic therapy with intravitreal triamcinolone in predominantly classic choroidal neovascularization: one-year results of a randomized study.
    Author: Arias L, Garcia-Arumi J, Ramon JM, Badia M, Rubio M, Pujol O.
    Journal: Ophthalmology; 2006 Dec; 113(12):2243-50. PubMed ID: 16996600.
    Abstract:
    PURPOSE: To determine whether intravitreal triamcinolone acetonide (IVTA) improves the efficacy of photodynamic therapy (PDT) with verteporfin in predominantly classic subfoveal choroidal neovascularization (CNV) secondary to age-related macular degeneration (AMD). DESIGN: Prospective randomized study. PARTICIPANTS: Sixty-one patients with predominantly classic subfoveal CNV secondary to AMD. METHODS: Patients were randomized to receive PDT (n = 30) or PDT followed by approximately 11 mg IVTA (n = 31), with retreatment every 3 months when leakage was documented by fluorescein angiography. At baseline and each follow-up visit, best-corrected visual acuity (VA) was measured with Early Treatment Diabetic Retinopathy Study charts by a certified examiner masked to the patient's treatment, lesion size on fluorescein angiography, and foveal thickness on optical coherence tomography. MAIN OUTCOME MEASURES: Mean change in VA (logarithm of the minimum angle of resolution [logMAR]) from baseline, percentage of patients losing fewer than 15 letters (3 lines) of VA, mean change in lesion size, mean change in foveal thickness, and retreatment rate. RESULTS: At the 12-month follow-up, VA (mean logMAR change from baseline) was significantly better (P = 0.001) in the group of patients who received combined therapy. Seventy-four percent of patients treated with combined therapy compared with 61% treated with verteporfin alone lost fewer than 15 letters of VA (P = 0.78). Reduction in lesion size (P = 0.001) and in foveal thickness (P = 0.03) was significantly greater with combined therapy than with verteporfin. Retreatment rate was significantly lower (P = 0.04) in the combined therapy group. Triamcinolone-related adverse events included glaucoma (25.8%) and cataract progression (32%). CONCLUSIONS: Combined PDT and IVTA therapy seemed to be more effective than PDT alone for managing predominantly classic subfoveal lesions secondary to AMD. The triamcinolone-related adverse events included glaucoma and cataract progression.
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