Publications List

Mortensen, J. E., Jacobs, M. R., and Koeth, L. M. Susceptibility of Streptococcus pneumonia and Haemophilus influenza in 1997: Results of a Hospital-Based Study. Presented at ICAAC, 1998.

Koeth, L. M., King, A., Knight, H., May, J., Miller, L. A., Phillips, I., and Poupard, J. A. Comparison of cation-adjusted Mueller-Hinton broth with Iso-Sensitest broth for the NCCLS broth microdilution method. Journal of Antimicrobial Chemotherapy 2000; 46: 369-376.

Koeth, L. M., Drabu, Y., Kerawala, M., Miller, L., Poupard, J., Olsson-Liljequist, B., Schaefer, V., and Soussy, C. J. Gemifloxacin and Ciprofloxacin Susceptibility Testing: Comparison of NCCLS Broth MIC Method With Five MIC Methods. Presented at ASM General Meeting, 2000.

Koeth, L. M., Drabu, Y., Kerawala, M., Kahlmeter, G., Olsson-Liljequist, B., Miller, L., Poupard, J., Schaefer, V., and Soussy, C. J. Comparison of Gemifloxacin and Ciprofloxacin Susceptibility Results From Twelve Testing Procedures. Presented at ECCMID, 2000.

Jacobs, M. R., Bajaksouzian, S., Windau, A., Appelbaum, P. C., Lin, G., Felmingham, D., Dencer, C., and Koeth, L. Effects of Various Test Media on the Activity of 21 Antimicrobial Agents against Haemophilus influenzae. Presented at ICAAC, 2000.

Koeth, L.M., Good, C.E., Jacobs, M.R., Felmingham, D., Poupard, J.A., Miller, L.A. Activity of Amoxicillin/Clavulanic Acid and 16 Comparator Agents Against Respiratory Isolates, Collected Worldwide in 2000. Presented at ASM General Meeting, 2001.

Koeth, L.M., Jacobs, M.R., Felmingham, D., Poupard, J.A., Miller, L.A., Saunders, K. Activity of Gemifloxacin, Ciprofloxacin and Levofloxacin against 8,479 Respiratory Isolates Collected Worldwide in 1999 and 2000. Presented at ICAAC, 2001.

Koeth, L.M., Biscotti, M., Appelbaum, P.C., Dubreuil, L.J., Goldstein, E.J.C., Rodloff, A.C. Surveillance of Susceptibility Patterns in 1297 European and US Anaerobic and Micro-aerophilic Isolates to Amoxicillin/Clavulanic Acid (AMX/CA) and 5 other Agents. Presented at ICAAC, 2001.

Koeth, L.M., Jacobs, M., Bajaksouzian, S, Zilles, A., Lin, G., Appelbaum, P.C. Comparative in vitro activity of gemifloxacin to other fluoroquinolones and non-quinolone agents against Streptococcus pneumoniae, Haemophilus influenzae and Moraxella catarrhalis in the United States in 1999-2000. International Journal of Antimicrobial Agents 2002, 19:33-37

Koeth, L.M., Leclercq, R., Olsson-Liljequist, B. Comparison of MIC results by DIN, NCCLS, SFM and SRGA Methods for 297 Gram-Positive Organisms. Presented at ECCMID, Milan 2002.

Jacobs, M.R., Bajaksouzian, S., Windau, Appelbaum, P.C., Lin, G., A., Felmingham, D., Dencer, C., Koeth, L., Singer, M.E., Good, C.E. Effects of various test media on the activity of 21 antimicrobial agents against Haemophilus influenzae. Journal of Clinical Microbiology, 2002 40: 3269-3276.

Jacobs, M.R., Koeth, L., Appelbaum, P. Use of appropriate breakpoints in antimicrobial surveillance studies. Clinical Infectious Diseases 2002 35:1446-1448

Koeth, L.M., Felmingham, D., Jacobs, M.R., Rossi, F. Antimicrobial resistance among respiratory tract pathogens of Streptococcus pneumoniae and Haemophilus influenzae in Sao Paulo, Brazil, from 1996 to 2000. Presented at ECCMID, Glasgow 2003.

Koeth, L.M., Hindler, J., Mobley, D., Poblette, Y., Sooudipour, F., Graham, M. and Poupard, J. In vitro Activity of Ten Antimicrobial Agents for Streptococcus pneumoniae isolated from patients seen at physician offices in Beverly Hills compared with those from UCLA Medical Center, Presented at ASM, Washington, D.C. 2003.

Koeth, L.M., Leclercq, R, Olsson-Liljequist, B. Comparison of daptomycin and vancomycin MIC results by DIN, NCCLS, SFM and SRGA methods for 297 Gram positive organisms. International Journal of Antimicrobial Agents 2004; 23: 17-24.

Koeth, L.M., Felmingham, D., Jacobs, M.R., Rossi, F. Antimicrobial resistance among respiratory tract pathogens of Streptococcus pneumoniae and Haemophilus influenzae in Sao Paulo Brazil from 1996-2000. International Journal of Antimicrobial Agents 2004; 23: 356-361

Koeth, L.M., Good, C.E. S. pneumoniae in vitro development of resistance to amoxicillin/clavulanic acid, cefaclor, levofloxacin and azithromycin. International Journal of Antimicrobial Agents 2004; 24: 144-149.

Koeth, L.M., Good, C.E., Appelbaum, P.C., Dubreuil, L.J., Goldstein, E.J.C., Rodloff, A.C. Surveillance of susceptibility patterns in 1,589 European and U.S. anaerobic and micro-aerophilic isolates to amoxicillin/clavulanic acid and 5 comparator antimicrobial agents. J. Antimicrobial Chemotherapy 2004; 53: 1039-1044.

Koeth, L.M., Kahlmeter, G., Smyth, R. Comparison of Daptomycin and Vancomycin MICs for 244 Gram-positive Strains Using IsoSensitest and Mueller Hinton Media. Presented at ICAAC 2004, D-1921.

Koeth, L.M., DiFranco, J.M. QC study evaluating the performance of daptomycin and combination daptomycin/calcium disks and Etest. Presented at ECCMID, 2004.

Koeth, L.M., Kahlmeter, G., Leclercq, R., Rodloff, A. Comparison of daptomycin and vancomycin MIC results by NCCLS, SFM, DIN and SRGA methods. Presented at ECCMID, 2004.

Koeth, L.M., Difranco, J.M. Daptomycin disk diffusion testing: comparison of three Mueller Hinton agars, using disks from three manufacturers. Presented at ASM, 2004.

Kosowska, K., Jacobs, M. R., Bajaksouzian, S., Koeth, L., Appelbaum, P.C. Alterations of Penicillin-Binding Proteins 1A, 2X and 2B in Streptococcus pneumoniae Isolates for which Amoxicillin MICs are Higher than Penicillin MICs. Antimicrobial Agents and Chemotherapy 2004; 48: 4020-4022

Koeth, L.M., Jacobs, M.R., Bajaksouzian, S., Windau, A., Good, C.E., Jakielaszek, C., Saunders, K.A. Comparative in vitro activity of a pharmacokinetically enhanced oral formulation of amoxicillin/clavulanic acid (2000/125 mg twice daily) against 9,172 respiratory isolates collected worldwide in 2000. International Journal of Infectious Disease 2004; 8: 362-373.

Koeth, Laura M. and Miller, Linda A. Evolving Concepts of Pharmaceutical Company-Sponsored Surveillance Studies. Clinical Infectious Diseases 2005; 41: (Suppl 4).

Koeth, L.M., DiFranco, J.M. Comparison of Daptomycin Etest MICs with Broth Microdilution MICs against a Challenge Set of 58 S. aureus and 44 Enterococcus spp. Presented at ICAAC, 2005.

Koeth, L.M., DiFranco, J.M. The Effect of Testing Parameter Variations on the In Vitro Activity of Retapamulin and Mupirocin. Presented at ICAAC, 2005.

Holenarasipur, R.V., Havill, N.L., Koeth, L.M., Boyce, J.M. Clinical Progression of Methicillin-Resistant Staphylococcus aureus Vertebral Osteomyelitis Associated with Reduced Susceptibility to Daptomycin. Journal of Clinical Microbiology 2005; 43: 10 p.001.

Ashraf-Khorassani, M., Taylor, L.T., Koeth, L.M., Roush, J.A. Quantitative Analysis of Amoxicillin, Clavulanic Acid and Ticarcillin in Multi-Wells by Liquid Chromatography/Electrospray Ionization Mass Spectrometry as a Strategy for Quality Control. Chromatographia 2005, 62:459-463

Koeth, L.M., Andrews, J, Smyth, R., Kahlmeter, G. Evaluation of daptomycin 5, 10 and 15 mcg discs on IsoSensitest and Mueller Hinton agar against Staphylococcus aureus. Presented at ECCMID, 2006, P1441

Koeth, L.M., Smyth. R, Kahlmeter, G. Evaluation of effect of low concentration of calcium in daptomycin 30 mcg discs on IsoSensitest agar against staphylococcus. Presented at ECCMID, 2006, P1442

Koeth, L.M., DiFranco, J.M., Jackielaszek, C., Shawar, R., Miller, L. Comparison of Mupirocin 5 and 20 mcg disk results to microdilution and Etest MICs against susceptible isolates and a resistant challenge set of S. aureus. Presented at ICAAC, 2006, D-0809

Sturgess, M.A., Appelbaum, P.C., DiFranco, J.M., Koeth, L.M. Synergistic in vitro activity of DnaK inhibitors and levofloxacin against Gram-negative organisms. ICAAC 2006, F2-1167

Pertel,P., Malangoni, M., Koeth, L.M., Ambler, J.E., Choudhri, S. Moxifloxacin efficacy against anaerobic bacteria: pooled analysis from two complicated intra -abdominal infection (cIAI) trials. ICAAC 2006, L-1300.

Rennie, R.P., Koeth, L., Jones, R., Fritsche, T., Knapp, C., Killian, S., Goldstein, B. Factors influencing broth microdilution antimicrobial susceptibility test results for dalbavancin, a new glycopeptide agent. J Clin Microbiol 2007 45(10): 3151-3154

Koeth, L.M., DiFranco, J.M. Moxifloxacin MIC results for Neisseria gonorrhoeae (ATCC 49226) for an eight lab study by CLSI agar dilution methodology. ECCMID, 2007, P1631

Koeth, L.M., Hawser, S., Islam, K., DiFranco, J. The effect of testing parameter variations on the in vitro activity of iclaprim against Staphylococcus aureus. ICAAC 2007, D-245

Koeth, L.M., DiFranco, J. Comparison of vancomycin and teicoplanin disk and agar screen procedures for detection of vancomycin intermediate S. aureus. ICAAC 2007, D-886.

Lemaire, S., Koeth, L.M., Labischinski, H., Kosowska-Shick, K., Van Bambeke, F., Tulkens, P.M., Appelbaum, P. Insufficient activity of most common antistaphylococcal antibiotics towards intraphagocytic forms of S. aureus from a patient with persistent bacteriemia: a cause for treatment failure? ICAAC 2007, A-1439

Ambler, J., Rennie, R, Poupard, J, Koeth, L., Stass, H, Rainer, E., Choudhri. Determination of moxifloxacin anaerobic susceptibility breakpoints according to CLSI guidelines. Diagn Microbiol Infect Dis 2007 61: 49-57.

Julian, K., Kosowska-Shick, K., Whitener, C., Roos, M., Labischinski, H., Ruoio, A., Parent, L, Ednie, L, Koeth, L, Bogdanovich, T, Appelbaum, P. Characterization of a daptomycin-nonsusceptible vancomycin-Intermediate Staphylococcus aureus strain in a patient with endocarditis. Antimicrobial Agents and Chemotherapy 2007 51: 3445-3448.

Koeth, L.M., DiFranco, J. Comparison of daptomycin Etest MICs on Mueller-Hinton, IsoSensitest and Brain-Heart Infusion agars with and without calcium supplementation to broth microdilution MICs against 20 Staphylococcus aureus isolates. ECCMID 2008, P-593.

Koeth, L.M., DiFranco, J., Poeschel, A., Rodloff, A., Smyth, R., Kahlmeter, G., Warner, M., Livermore, D., Lascols, C., Soussy, C.J. A Comparison of ceftobiprole and ceftazidime MICs by European methods against 125 Gram-positive and Gram-negative organisms. ICAAC 2008, D-2230.

Koeth, L.M., DiFranco, J., Poeschel, A., Rodloff, A., Smyth, R., Kahlmeter, G., Warner, M., Livermore, D., Lascols, C., Soussy, C.J. A Comparison of doripenem and meropenem MICs by European methods against 109 Gram-positive and Gram-negative organisms. ICAAC 2008, D-2227.

Koeth, L.M., DiFranco, J. Comparison of daptomycin Etest MICs on European Mueller Hinton and IsoSensitest agars against 20 Staphylococcus aureus. ICAAC 2008, D-2221

Sader, H.S., Koeth, L.M., Poupard, J.A., Jones, R.N. Interpretive categorical accuracy of fluoroquinolone reference broth microdilution MIC results when testing Streptococcus pneumoniae: selection of a surrogate testing agent. Diagn Microbiol Infect Dis 2008 62: 460-463

Credito, K., Gengrong, L., Koeth, L., Sturgess, M., Appelbaum, P.C. Activity of levofloxacin alone and in combination with a DnaK inhibitor against Gram-negative rods, including levofloxacin resistant strains. Antimicrobial Agents and Chemotherapy 2009 53(2): 814-817

Friedrich, L., Thorne, G., Steenbergen, J.N., Anastasiou, D., Koeth, L. Evidence for daptomycin Etest lot-related MIC elevations for Staphylococcus aureus. Diagn Microbiol Infect Dis 2009 65(3) 306-311

Koeth, L.M., DiFranco, J. Synergy of Polyphenon E with cefuroxime against 11 Staphylococcus aureus (MRSA). ICAAC 2009. E-1466

Koeth, L.M., DiFranco, J. Effect of serum and albumin on MIC and MBC of daptomycin and comparator agent for 20 S. aureus and 10 enterococci. ICAAC 2009. D-790.

Sturgess, M., Minyard, M.B., Bridgers, M., Anderson, J., Credito, K., Lin, G., Koeth, L., and Appelbaum, P.C. In vivo Activity of a DnaK Inhibitor Alone and in Combination with Levofloxacin (LEV) in a Murine Model of Intraperitoneal Infection. ICAAC 2009. F1-835

Sturgess, M., Ghosh, P., Kotch, F., Koeth, L., DiFranco, J., Roberts, M., Sambandam, V., Payne P. The First Biologically Active Small Molecule Bacterial HSP70 (DnaK) Inhibitors. ICAAC 2009. F1-834

Wong-Beringer, A., Koeth, L., Belausov, N., Keller, N., Maor, Y. Variation in Vancomycin Tolerance Determination among Bloodstream Isolates of Methicillin-resistant Staphylococcus aureus. ASM 2010. C-114

Koeth, L.M., Fisher-DiFranco, J.M. The Effect of Testing Parameter Variations on the In VitroActivity of GSK1322322 and Linezolid. ICAAC 2010. D-1522

Koeth, L., Fisher-DiFranco, J. Comparison of Daptomycin Etest MICs on Mueller Hinton, IsoSensititest and Brain Heart Infusion agars from Europe against 20 Staphylococcus aureus isolates. Euro J of Clin Micro and Infect Dis 2010; 29:1261-1264.

Koeth, LM., Thorne, GM. Daptomycin In Vitro Susceptibility Methodology: a Review of Methods, Including Determination of Calcium in Testing Media. Clin Micro Newsletter 2010; 31(21):161-169.

Koeth, L., Katz, B., Bradford, P., Dallow, J., Skov, R. Multisite evaluation of the daptomycin Neo-Sensitab prediffusion method against 20 S. aureus. ECCMID 2011. P-1065

Koeth, L., Cercenado, E., Marco, F., Pitart, C., LiƱares, J., Perez-Trallero, E., Perez, J.L., Canton, R. In vitro multisite study of vancomycin and daptomycin MIC results and tolerance of contemporary Staphylococcus aureus from Spain. ECCMID 2011. P-1066

King, S.T., Usery, J.B., Holloway, K., Koeth, L., Cleveland, K.O., Gelfand, M.S. Successful therapy of treatment-emergent, non-clonal daptomycin non-susceptible Enterococcus faecium infections. J Antimicrob Chemother. Advance Access publication August 16, 2011.

Manuscripts written for other investigators (Ghost writer):

Jones, R. N., Jacobs, M. R., Washington, J. A., and Pfaller, M. A. A 1994-95 Survey of Haemophilus influenzae Susceptibility to Ten Orally Administered Agents: A 187 Clinical Laboratory Center Sample in the United States. Diagn Microbiol Infect Dis 1997; 27: 75-83.

Jacobs, M. R., Appelbaum, P. C., and LASER Study Group. Susceptibility of 1,100 Streptococcus pneumoniae strains isolated in 1997 from Seven Latin American Countries. International Journal of Antimicrobial Agents 2000; 16: 17-24.