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Wang L, PhD, a Bassiri M, PhD, a Najafi R, PhD, a Najafi K, MD, b Yang J, BS, a Khosrovi B, PhD, a Hwong W, BS, a Barati E, BS, a Belisle B, PhD, a Celeri C, MSa , and Robson MC, MD c
aNovaBay Pharmaceuticals, Inc, Emeryville, CA; bEye Institute San Rafael, CA; and c Institute for Tissue Regeneration, Repair and Rehabilitation, Bay Pines, FL.
Objective: Hypochlorous acid (HOCl), a major inorganic bactericidal compound of innate immunity, is effective against a broad range of microorganisms. Owing to its chemical nature, HOCl has never been used as a pharmaceutical drug for treating infection. In this article, we describe the chemical production, stabilization, and biological activity of a pharmaceutically useful formulation of HOCl. Methods: Stabilized HOCl is in the form of a physiologically balanced solution in 0.9% saline at a pH range of 3.5 to 4.0. Chlorine species distribution in solution is a function of pH. In aqueous solution, HOCl is the predominant species at the pH range of 3 to 6. At pH values less than 3.5, the solution exists as a mixture of chlorine in aqueous phase, chlorine gas, trichloride (Cl− 3 ), and HOCl. At pH greater than 5.5, sodium hypochlorite (NaOCl) starts to form and becomes the predominant species in the alkaline pH. To maintain HOCl solution in a stable form, maximize its antimicrobial activities, and minimize undesirable side products, the pH must be maintained at 3.5 to 5. Results: Using this stabilized form of HOCl, the potent antimicrobial activities of HOCl are demonstrated against a wide range of microorganisms. The in vitro cytotoxicity profile in L929 cells and the in vivo safety profile of HOCl in various animal models are described. Conclusion: On the basis of the antimicrobial activity and the lack of animal toxicity, it is predicted that stabilized HOCl has potential pharmaceutical applications in the control of soft tissue infection.
Authors
Karen Bauer
Kathryn Rock
Munier Nazzal
Kimberly D. Hall
Rebecca C. Clark
Keywords
Kathleen D. Schaum
Issue: Volume 62 - Issue 11 - November 2016 ISSN 1943-2720
Luz-Ma-Adriana Balderas-Peña
Daniel Sat-Muñoz
Chester H. Ho
Amanda Cheung
Danielle Southern
Wrechelle Ocampo
Noreen A. Campbell
Donna L. Campbell
Andrea Turner
伤口世界平台生态圈,以“关爱人间所有伤口患者”为愿景,连接、整合和拓展线上和线下的管理慢性伤口的资源,倡导远程、就近和居家管理慢性伤口,解决伤口专家的碎片化时间的价值创造、诊疗经验的裂变复制、和患者的就近、居家和低成本管理慢性伤口的问题。
2019广东省医疗行业协会伤口管理分会年会
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