School of Pharmacy

Brian Werth

Associate Professor

Department of Pharmacy, Pharmacy Faculty

Telephone: (206) 685-2302


Office Location: H-375-H

Website: PubMed


  • PharmD, University of New Mexico

Research Interests

  • Antimicrobial resistance and pharmacokinetics


Prior to joining the UW Department of Pharmacy faculty, Brian Werth completed a two-year Infectious Disease Pharmacotherapy Fellowship at Wayne State University in Michigan. His PGY1 residency was at Queen’s Medical Center in Hawaii. He received his PharmD degree from the University of New Mexico.

Werth’s research interest is in antimicrobial resistance and the pharmacokinetics and pharmacodynamics of antimicrobials. He is an experienced prescriptive authority provider in emergency contraception, immunizations and tobacco cessation. His training spans general internal medicine and therapeutics.

Selected Publications

Hines KM, Waalkes A, Penewit K, Holmes EA, Salipante SJ, Werth BJ, Xu L. Characterization of the Mechanisms of Daptomycin Resistance among Gram-Positive Bacterial Pathogens by Multidimensional Lipidomics. mSphere. 2017 Dec 13. PMID 29242835.

Werth BJ, Jain R, Hahn A, Cummings L, Weaver T, Waalkes A, Sengupta D, Salipante SJ, Rakita RM, Butler-Wu SM. Emergence of dalbavancin non-susceptible, vancomycin-intermediate Staphylococcus aureus (VISA) after treatment of MRSA central line-associated bloodstream infection with a dalbavancin- and vancomycin-containing regimen. Clin Microbiol Infect. 2017 Aug 3. PMID 28782651

Werth BJ, Shireman LM. Pharmacodynamics of ceftaroline plus ampicillin Against Enterococcus faecalis in an in vitro pharmacokinetic/pharmacodynamic model of simulated endocardial vegetations. Antimicrob Agents Chemother. 2017 Jan 17. PMID 28096164.

Werth BJ. Exploring the pharmacodynamic interactions between tedizolid and other orally bioavailable antimicrobials against Staphylococcus aureus and Staphylococcus epidermidis. J Antimicrob Chemother. 2017 Jan 31. PMID 28158617

Hahn WO, Werth BJ, Butler-Wu SM, Rakita RM. Corynebacterium striatum: a multidrug resistant pathogen associated with increased parenteral antibiotic usage. Emerg Infect Dis. 2016 Nov 22. PMID 27767926

Werth BJ, Smith JR, Sakoulas G. New Guidelines Endorse Old Recommendations for Invasive Enterococcal Infections. Clin Infect Dis. 2016 May 8. PMID 27161781

Mather CA, Werth BJ, Sivagnanam S, SenGupta DJ, Butler-Wu SM. Rapid Detection of Vancomycin Intermediate Staphylococcus aureus (VISA) by Matrix Assisted Laser Desorption Ionization Time-of-Flight Mass Spectrometry (MALDI-TOF MS). J Clin Microbiol. 2016 Jan 13. PMID 26763961

Werth BJ, Hahn W, Butler-Wu SM, Rakita RM. Emergence of high-level daptomycin resistance in Corynebacterium striatum in two patients with left ventricular assist device infections” Microbial Drug Resistance. 2015 Nov 6 PMID 26544621

Sakoulas G, Kumaraswamy M, Nonejuie P, Werth BJ, Rybak MJ, Pogliano J, Rice LB, Nizet V. Differential Effects of Penicillin Binding Protein Inactivation on the Susceptibility of Enterococcus faecium to Daptomycin and Human Cathelicidin LL-37. Antimicrob Agents Chemother. 2015 July 20. PMID 26195528

Werth BJ, Abbott AN. The combination of ampicillin plus ceftaroline is synergistic against Enterococcus faecalis. J Antimicrob Chemother. 2015 May 7. PMID 25953804.

Werth BJ, Carreno JJ, Reveles KR. Shifting trends in the incidence of Pseudomonas aeruginosa septicemia in hospitalized adults in the united states from 1996-2010. Am J Infect Control. 2015 Mar 14. PMID: 25783865