Publications by authors named "X T Ussery"

SPR720 is a phosphate ester prodrug that is converted rapidly to SPR719, the active moiety, which exhibits potent activity against clinically relevant mycobacterial species including complex (MAC) and . SPR720 is in clinical development for the treatment of nontuberculous mycobacterial pulmonary disease (NTM-PD) due to MAC. This study evaluated the safety and the intrapulmonary pharmacokinetics of SPR719 in healthy volunteers.

View Article and Find Full Text PDF

Background: Dalbavancin is a novel lipoglycopeptide antibiotic that has potent in vitro activity against Gram-positive microorganisms.

Methods: We performed a phase 1, open-label, multicenter study to investigate the pharmacokinetics (PK) and safety of a single dose of intravenous dalbavancin in hospitalized pediatric subjects 3 months to 11 years of age. We combined these data with previously collected adolescent PK data and performed a population PK analysis.

View Article and Find Full Text PDF

Three cases of meningitis due to multidrug-resistant serotype 14 Streptococcus pneumoniae occurred at a day care center (DCC) over 5 days. Cultures of nasopharyngeal samples were done at the index DCC, 2 comparison DCCs, and a pediatrics practice. Isolates were serotyped and subtyped by pulsed-field gel electrophoresis (PFGE) with SmaI.

View Article and Find Full Text PDF

La Crosse virus is a mosquito-borne arbovirus that causes encephalitis in children. Only nine cases were reported in Tennessee during the 33-year period from 1964-1996. We investigated a cluster of La Crosse encephalitis cases in eastern Tennessee in 1997.

View Article and Find Full Text PDF

Congenital varicella syndrome is a rare complication of varicella-zoster virus (VZV) infection during pregnancy. An infant was exposed to VZV at 18.5 weeks of gestation and had eye and skin abnormalities at birth and persistent feeding difficulties, prompting esophageal biopsies at 12 days and 20 and 20.

View Article and Find Full Text PDF