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Triamcinolone acetonide from autoregulatory polyesteramide (PEA) or PLGA microspheres is released in vitro over 24 weeks. (a) Cumulative triamcinolone acetonide (TAA) release from PLGA (red) or PEA (blue) microspheres in PBS medium (left panel) and (b) daily TAA release from PLGA (red) or PEA (blue) microspheres (right panel). Data represent mean ± standard deviation (SD) of three microsphere batches per polymer.
