Publication Date 01/07/2014         Volume. 6 No. 6   
Information to Pharmacists

Editorial

From the desk of the editor

Welcome to the July 2014 homepage edition of i2P (Information to Pharmacists) E-Magazine.
At the commencement of 2014 i2P focused on the need for the entire profession of pharmacy and its associated industry supports to undergo a renewal and regeneration.
We are now half-way through this year and it is quite apparent that pharmacy leaders do not yet have a cohesive and clear sense of direction.
Maybe the new initiative by Woolworths to deliver clinical service through young pharmacists and nurses may sharpen their focus.
If not, community pharmacy can look forward to losing a substantial and profitable market share of the clinical services market.
Who would you blame when that happens?
But I have to admit there is some effort, even though the results are but meagre.
In this edition of i2P we focus on the need for research about community pharmacy, the lack of activity from practicing pharmacists and when some research is delivered, a disconnect appears in its interpretation and implementation.

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Anti-inflammatory drugs may improve survival from severe malaria

Neil Johnston

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Introducing current ideas, perspectives and issues, to the profession of pharmacy

A novel anti-inflammatory drug could help to improve survival in the most severe cases of malaria by preventing the immune system from causing irrevocable brain and tissue damage.
Walter and Eliza Hall Institute researchers have shown that a new class of anti-inflammatory agents, called IDR (innate defense regulator) peptides, could help to increase survival from severe clinical malaria when used in combination with antimalarial drugs.

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Dr Sandra Pilat-Carotta, Professor Louis Schofield and Dr Ariel Achtman (from left to right) have shown that a novel anti-inflammatory drug could help to improve survival from severe clinical malaria.

Dr Sandra Pilat-Carotta, Professor Louis Schofield and Dr Ariel Achtman (from left to right) have shown that a novel anti-inflammatory drug could help to improve survival from severe clinical malaria.

A research team fronted by Dr Ariel Achtman and Dr Sandra Pilat-Carotta, and led by Professor Louis Schofield from the institute’s Infection and Immunity division, published the study today in the journal Science Translational Medicine.

Dr Achtman said that many drugs that prevent malaria infections are not effective in sick patients at preventing tissue damage that arises from the inflammatory immune response. “The most severe forms of malaria, such as cerebral malaria which causes brain damage, are actually the result of the immune system trying to fight infection and causing collateral damage,” she said.

Dr Pilat-Carotta said the team used a treatment approach combining drugs that suppress potentially harmful inflammation with antimalarial agents that fight the parasite, in mouse models infected with the malaria parasite Plasmodium berghei. “In this study, we showed that a new class of drugs could prevent inflammation in the brains of mice with malaria and improve their survival. This is an example of a ‘host-directed’ therapy – a treatment intended to act on the host not the parasite,” Dr Pilat-Carotta said.

Malaria kills up to one million people worldwide every year, particularly children under five and pregnant women, who often develop severe clinical symptoms such as brain damage and multiple organ failure.

Professor Schofield said up to 25 per cent of severe clinical malaria cases are fatal even with access to the best health care. “Antimalarial drugs are very effective, but only if they are given before serious clinical symptoms develop. On their own, antimalarial drugs fail in approximately one out of every four cases of severe clinical malaria, because by the time the patient arrives at a hospital they are already very sick and inflammation caused by the immune response to the parasite is causing major organ damage,” Professor Schofield said.

IDR peptides are a new class of anti-inflammatory agent developed by Professor Robert Hancock and colleagues at the University of British Columbia, Canada, which enhance beneficial aspects of the initial immune response, while dampening harmful inflammation, Professor Schofield said. “IDR peptides are also relatively cheap to produce and easy to use, making them a good option for medical treatments in developing countries,” he said.

Dr Achtman said the development of preclinical models of severe malaria could improve pre-clinical drug screening and potentially prevent some of the drug failures that happen at the human clinical trial stage. “Professor Gordon Smyth and Ms Charity Law from the institute’s Bioinformatics division used sophisticated bioinformatics-driven analyses to identify early changes to inflammatory processes, days before the mice show visible changes in malaria disease symptoms. Host-directed therapies are a good treatment option because parasites are less likely to evolve resistance, and we believe they will eventually increase the number of successful treatment interventions in the short time window between hospitalisation with severe malaria and death,” Dr Achtman said.

The research was supported by the Grand Challenges in Global Health Research program through the Foundation for the National Institutes of Health and Canadian Institutes of Health Research, National Health and Medical Research Council of Australia, and the Victorian Government.

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