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Int J Antimicrob Agents. 2019 Apr;53(4):429-434. doi: 10.1016/j.ijantimicag.2018.11.023. Epub 2018 Dec 8.

Treatment of chronic osteomyelitis with multidose oritavancin: A case series and literature review.

Author information

1
University of Georgia College of Pharmacy, 1000 Jefferson Street, Albany, GA 31701, USA. Electronic address: daniel.chastain@uga.edu.
2
Downtown Dublin Wound Center, Meadows Regional Medical Center, Dublin, GA 31021, USA.

Abstract

Osteomyelitis remains difficult to treat, typically requiring a prolonged course of intravenous (i.v.) antibiotics. The optimal route and duration of antibiotics remains ill-defined due to limited prospective clinical trials. Oritavancin is a long-acting, semisynthetic lipoglycopeptide antibiotic with rapid concentration-dependent bactericidal activity against many Gram-positive organisms. Favourable pharmacokinetics makes oritavancin an appealing alternative to currently available antibiotics requiring daily infusion to decrease the risk of vascular access complications associated with outpatient antimicrobial therapy. The purpose of this study was to report the outcomes of nine patients with chronic osteomyelitis receiving multidose oritavancin. Using electronic medical records, patients aged ≥18 years treated with i.v. oritavancin between September 2015 and April 2018 at Downtown Dublin Wound Center, a hospital-owned outpatient wound care clinic and infusion centre affiliated with Meadows Regional Health System in Dublin, GA, were identified. Of 12 cases reviewed, 9 patients received at least two doses of i.v. oritavancin for the treatment of chronic osteomyelitis. All nine patients experienced clinical cure at 6-month follow-up after the last dose of oritavancin. Multidose oritavancin was found to be a safe and efficacious option for chronic osteomyelitis when treatment options are limited by patient complexities or barriers in their ability to access healthcare services.

KEYWORDS:

Daptomycin; Linezolid; MRSA; Oritavancin; Osteomyelitis; Vancomycin

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