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Review of oritavancin for the treatment of acute bacterial skin and skin structure infections

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Published:1st Mar 2018
Author: García Robles AA, López Briz E, Fraga Fuentes MD, Asensi Diez R, Sierra Sánchez JF.
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Ref.:Farm Hosp. 2018;42(2):73-81.

Objective: To assess critically oritavancin, a second-generation  lipoglycopeptide, for the treatment of Acute Bacterial Skin and Skin Structure Infections caused by susceptible Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus.

Method: An evaluation report of oritavancin in Acute Bacterial Skin and Skin  Structure Infections was carried out according to the methodology of the Group  for drug evaluation, standardization and research in drug selection of the  Spanish Society of Hospital Pharmacy (SEFH)1, with the MADRE 4.0 program. A  search was made in PubMed, in the web www.clinicaltrials. gov, Embase,  PubMed and UptoDate. The European Medication Agency and Food and Drug  Administration evaluation reports were also used.

Results: Single-dose oritavancin demonstrated its non-inferiority efficacy versus  vancomycin in Acute Bacterial Skin and Skin Structure  nfections, with a similar safety profile. Its potential advantage over other  therapeutic alternatives lies in its administration in single dose and in its no need for plasma levels monitoring, which would allow its administration on an outpatient basis. Regarding to the other alternative possibilities of oral  (linezolid, tedizolid) or IM (teicoplanin) treatment, oritavancin would improve the  adherence to the treatment. Although oritavancin could be more  efficient in certain scenarios (outpatient treatment versus inpatient treatment  with alternatives), there are no convincing studies in this regard so far. On the  other hand, alternative drugs above-mentioned, can also allow outpatient  treatment, reducing advantages of oritavancin and further increasing cost  differences. Therefore, given that the efficacy is similar to the alternatives, a  cost minimization analysis could be considered.

Conclusions: Oritavancin is comparable in terms of efficacy and safety to the  existing alternatives in Acute Bacterial Skin and Skin Structure Infections,  without improvements in the cost-effectiveness ratio, because of the proposed  positioning is to consider it for the treatment of  vancomycinresistant enterococcal infection in adult patients when the use of  linezolid or tedizolid is contraindicated.

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