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Cornely O.A.,University of Cologne | Crook D.W.,Microbiology and Infectious Diseases | Esposito R.,Clinica delle Malattie Infettive e Tropicali | Poirier A.,Center Hospitalier Regional Of Trois Rivieres | And 5 more authors.
The Lancet Infectious Diseases | Year: 2012

Background: Infection with Clostridium difficile is the primary infective cause of antibiotic-associated diarrhoea. We aimed to compare efficacy and safety of fidaxomicin and vancomycin to treat patients with C difficile infection in Europe, Canada, and the USA. Methods: In this multicentre, double-blind, randomised, non-inferiority trial, we enrolled patients from 45 sites in Europe and 41 sites in the USA and Canada between April 19, 2007, and Dec 11, 2009. Eligible patients were aged 16 years or older with acute, toxin-positive C difficile infection. Patients were randomly allocated (1:1) to receive oral fidaxomicin (200 mg every 12 h) or oral vancomycin (125 mg every 6 h) for 10 days. The primary endpoint was clinical cure, defined as resolution of diarrhoea and no further need for treatment. An interactive voice-response system and computer-generated randomisation schedule gave a randomisation number and medication kit number for each patient. Participants and investigators were masked to treatment allocation. Non-inferiority was prespecified with a margin of 10%. Modified intention-to-treat and per-protocol populations were analysed. This study is registered with ClinicalTrials.gov, number NCT00468728. Findings: Of 535 patients enrolled, 270 were assigned fidaxomicin and 265 vancomycin. After 26 patients were excluded, 509 were included in the modified intention-to-treat (mITT) population. 198 (91·7%) of 216 patients in the per-protocol population given fidaxomicin achieved clinical cure, compared with 213 (90·6%) of 235 given vancomycin, meeting the criterion for non-inferiority (one-sided 97·5% CI -4·3%). Non-inferiority was also shown for clinical cure in the mITT population, with 221 (87·7%) of 252 patients given fidaxomicin and 223 (86·8%) of 257 given vancomycin cured (one-sided 97·5% CI -4·9%). In most subgroup analyses of the primary endpoint in the mITT population, outcomes in the two treatment groups did not differ significantly; although patients receiving concomitant antibiotics for other infections had a higher cure rate with fidaxomicin (46 [90·2%] of 51) than with vancomycin (33 [73·3%] of 45; p=0·031). Occurrence of treatment-emergent adverse events did not differ between groups. 20 (7·6%) of 264 patients given at least one dose of fidaxomicin and 17 (6·5%) of 260 given vancomycin died. Interpretation: Fidaxomicin could be an alternative treatment for infection with C difficile, with similar efficacy and safety to vancomycin. Funding: Optimer Pharmaceuticals. © 2012 Elsevier Ltd. Source


Black M.D.,Womens and Childrens Hospital | Grove D.I.,Clinical Microbiology and Infectious Diseases | Butcher A.R.,Microbiology and Infectious Diseases | Warren L.J.,Womens and Childrens Hospital
Australasian Journal of Dermatology | Year: 2010

Four infants aged between 8 and 13 months presented between November 2002 and May 2006 with dermatitis of the lower abdomen, perineum or buttocks. All lived in semi-rural properties in the Adelaide Hills and had not travelled outside South Australia. Wandering thread-like serpiginous tracks were evident on examination, consistent with a diagnosis of cutaneous larva migrans. No abnormalities were detected on full blood examination, Strongyloides stercoralis serology or faecal analysis. Treatment with oral albendazole resulted in rapid resolution of symptoms. An epidemiological survey was undertaken which suggested possums or millipedes may have been the source of nematode larvae, the precise nature of which is unclear but could include Parastrongyloides trichosuri and Rhabditis necromena. © 2010 The Australasian College of Dermatologists. Source


Turnidge J.,Microbiology and Infectious Diseases
Australian Prescriber | Year: 2010

Multiresistant bacterial pathogens such as methicillin-resistant Staphylococcus aureus, multiresistant Streptococcus pneumoniae, vancomycin-resistant enterococci and multiresistant Pseudomonas aeruginosa are being seen with increasing frequency in the community and not just in hospital practice. Treatment options for infections caused by these pathogens are limited, but in most cases a suitable drug can be found. In particular, there are options for the treatment of the community-associated strains of MRSA, such as trimethoprim-sulfamethoxazole, and often macrolides or lincosamides. Source


Kotsanas D.,Monash Infectious Diseases | Wijesooriya W.R.P.L.I.,Monash Infectious Diseases | Korman T.M.,Monash Infectious Diseases | Gillespie E.E.,Infection Control and Epidemiology | And 7 more authors.
Medical Journal of Australia | Year: 2013

Objectives: Clinical utility of carbapenem antibiotics is under threat because of the emergence of acquired metallo-β-lactamase (MBL) genes. We describe an outbreak in an intensive care unit (ICU) possibly associated with contaminated sinks. Design, setting and participants: Four clusters of gram-negative bacteria harbouring the MBL gene blaIMP-4 were detected in the ICU at Dandenong Hospital between November 2009 and July 2012. Epidemiological investigations were undertaken in order to identify a common point source. During September 2012, screening using rectal swabs for all ICU patients, and environmental swabs targeting all ICU handwashing sinks and taps were collected. Samples were cultured onto selective carbapenem-resistant Enterobacteriaceae (CRE) agar. Suspected CRE isolates were further characterised using the modified Hodge test and VITEK 2 and confirmed by polymerase chain reaction and sequencing of MBL genes. Clinical and environmental CRE isolates were typed by pulsed-field gel electrophoresis. Results: Ten clinical isolates and one screening isolate of CRE (consisting of Klebsiella pneumoniae [5], Serratia marcescens [4], Enterobacter cloacae [1] and Escherichia coli [1]) were detected with the blaIMP-4 gene over the 30-month period. S. marcescens was isolated persistently from the grating and drain of eight central sinks. Molecular typing confirmed that clinical and environmental isolates were related. Tap water cultures were negative. Several attempts to clean and decontaminate the sinks using detergents and steam cleaning proved unsuccessful. Conclusion: This report highlights the importance of identification of potential environmental reservoirs, such as sinks, for control of outbreaks of environmentally hardy multiresistant organisms. Source


Braunack-Mayer A.J.,University of Adelaide | Street J.M.,University of Adelaide | Rogers W.A.,Macquarie University | Givney R.,Microbiology and Infectious Diseases | And 2 more authors.
BMC Public Health | Year: 2010

Background. Against a background of pandemic threat posed by SARS and avian H5N1 influenza, this study used deliberative forums to elucidate informed community perspectives on aspects of pandemic planning. Methods. Two deliberative forums were carried out with members of the South Australian community. The forums were supported by a qualitative study with adults and youths, systematic reviews of the literature and the involvement of an extended group of academic experts and policy makers. The forum discussions were recorded with simultaneous transcription and analysed thematically. Results. Participants allocated scarce resources of antiviral drugs and pandemic vaccine based on a desire to preserve society function in a time of crisis. Participants were divided on the acceptability of social distancing and quarantine measures. However, should such measures be adopted, they thought that reasonable financial, household and psychological support was essential. In addition, provided such support was present, the participants, in general, were willing to impose strict sanctions on those who violated quarantine and social distancing measures. Conclusions. The recommendations from the forums suggest that the implementation of pandemic plans in a severe pandemic will be challenging, but not impossible. Implementation may be more successful if the public is engaged in pandemic planning before a pandemic, effective communication of key points is practiced before and during a pandemic and if judicious use is made of supportive measures to assist those in quarantine or affected by social isolation measures. © 2010 Braunack-Mayer et al; licensee BioMed Central Ltd. Source

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