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Professor James and colleagues developed a comprehensive, multi-strand strategy for control of healthcare-associated infections caused by life-threatening bacterial superbugs Clostridium difficile (C.diff) and methicillin-resistant Staphylococcus aureus (MRSA). Founded on research to understand the transmission, virulence and antibiotic resistance of these species, their approach resulted in: (i) increased public awareness of healthcare associated infections; (ii) changed behaviours of the public and healthcare professionals to reduce transmission; (iii) improved national healthcare policies to control infections; and (iv) development of new antibiotic methods to tackle the rapidly-evolving resistance. The outcome is a nationwide decline in reported cases of C.diff and MRSA infections in patients since 2008, with consequent economic benefits to the NHS, Government and employers.
Antibiotic resistance has become one of the great challenges to human health in the 21st century with increasing numbers of isolates of many pathogenic bacteria being resistant to front line, therapeutic antibiotics. Recent evidence has suggested that antibiotic resistance can be selected by exposure to biocides, which are commonly used as disinfectants and preservatives.
Research at the University of Birmingham has shown the common mechanistic links between antibiotic and triclosan (a commonly used biocide) resistance. This research was used by the European Commission as evidence to support two reports published in 2009 and 2010 to inform opinions as to the safety of biocide use. These reports recommended specific new research avenues be funded and that possible selection of antibiotic resistance by biocides is a valid concern and were used as part of the evidence base in preparation of a new law which has come in to force across the European Union.
Biocide use and sales in Europe have been controlled by the Biocidal Products Directive since 1998. This legislation has been superseded by the EU Biocides Regulation (published May 2012, legally binding from September 2013). This new legislation now includes a requirement for new biocides to be demonstrated not to select resistance to themselves or antibiotics in target organisms before achieving registration; this addition was informed by University of Birmingham research. This will prevent biocides entering the environment that exert a selective pressure and favour the emergence of mutant bacteria with increased biocide and antibiotic resistance. Thus the research described has had an impact on policy debate and the introduction of new legislation.
The University of Nottingham's School of Chemistry has developed a novel method of incorporating thermally or chemically labile biologically active substances into polymers. This has been achieved by using supercritical carbon dioxide as a medium for the synthesis and modification of polymeric materials. The method has been employed as the basis for new drug-delivery devices whose viability in the healthcare sphere has been confirmed by patient trials. The spin-out company, Critical Pharmaceuticals Ltd, has delivered a range of economic benefits, including job creation, the securing of millions of pounds' worth of investment and a number of revenue-generating research collaborations.