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Distribution Of Propranolol In Periocular Tissues: A Comparison Of Topical And Systemic Administration, Jinsong Hao, Michael B. Yang, Hongzhou Liu, S. Kevin Li
Distribution Of Propranolol In Periocular Tissues: A Comparison Of Topical And Systemic Administration, Jinsong Hao, Michael B. Yang, Hongzhou Liu, S. Kevin Li
Pharmaceutical Science and Research
Purpose: Oral propranolol has become a promising treatment of capillary hemangiomas (CHs) despite concerns of side effects associated with systemic beta-blockers. The objective of this study was to investigate the distribution of propranolol in periocular tissues and in plasma after topical application of propranolol as compared with intravenous and oral administration of propranolol.
Methods: Each rabbit received propranolol as ophthalmic solution (1%) in one eye (1.5 mg dose), intravenous injection (1.5 mg dose), or commercially available propranolol oral solution (5 mg dose). The periocular tissues (e.g., eyelids and extraocular muscles) and blood were collected and assayed for propranolol. …