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Multidisciplinary research at LSHTM has increased understanding of how antimalarial drug resistance emerges and spreads, resulting in impacts on national, regional and international policy-makers and donors, and especially benefiting malaria patients and communities in Southeast Asia. The research influenced (1) WHO recommendations on using sulphadoxine-pyrimethamine for intermittent preventive treatment in Africa and (2) policy responses to the threat of artemisinin resistance including the WHO `Global Plan for Artemisinin Resistance Containment' (2011) and the Thai-Cambodia Artemisinin Resistance Containment programme (2009-2011). These efforts were associated with decreased malaria cases, and reduction in availability of artemisinin monotherapies in Cambodia.
Researchers at the Mahidol-Oxford Research Unit (MORU) in Thailand performed the first comparative trials to unambiguously show artemisinin resistance in Plasmodium falciparum parasites in western Cambodia, as well as its emergence on the Thailand-Myanmar border. These studies emphasised the importance of urgent containment, leading to rapid responses from the World Health Organization (WHO) and international governments for the tracking and containment of drug-resistant malaria.
In spite of recent reductions in transmission, malaria continues to kill over half a million people annually. To assist in fighting the global burden of malaria, Kenya-based Oxford research team, the Malaria Public Health Department (MPHD) has spent the past decade analysing malaria risk, interventions, and control methods, to better define and target malaria. This research has been used to inform local governments, the World Health Organization (WHO), and international funding organisations about malaria risk, interventions and control methods to better define and target malaria.
Innovative research into the spatial ecology of vector-borne disease at the University of Oxford led to the setting up of the Malaria Atlas Project (MAP), a programme which has provided sophisticated models of malaria distribution to inform planning and policy decisions of national governments and international agencies. MAP data underpinned the 2012 World Health Organization World Malaria Report and has influenced WHO's policy on malaria. Mapping has also been used in planning and resource allocation by other key players in the fight against malaria: the African Leaders Malaria Alliance, the Roll Back Malaria partnership, the Global Fund and the Global Health Group. More recent research to map the global distribution of dengue risk has been used in vaccine planning by the GAVI Alliance in conjunction with the Gates Foundation.
The University of Oxford's Professor Nick White and his colleagues successfully demonstrated the effectiveness of artemisinin (an ancient Chinese remedy) in the treatment of malaria. They also pioneered artemisinin-combination therapy (ACT), the most effective and fast-acting malaria treatment in the world. Responsible for saving hundreds of thousands of lives every year, ACT was recommended by the World Health Organization (WHO) in 2006 as the primary method of malarial treatment globally. Malaria kills more than half a million and affects over 225 million people every year.
Malaria in Africa, traditionally diagnosed from fever symptoms, has been massively overdiagnosed, and other causes of fever missed. This research demonstrated the magnitude of overdiagnosis, undertook trials of rapid diagnostic tests, identified alternative bacterial diagnoses, completed economic appraisals and studied prescriber behaviour. The research underpinned a major change in policy by WHO (2010), substantial investments by the Global Fund to fight HIV, TB and Malaria (GFATM), and changed clinical practice, to direct antimalarials to malaria patients only. In one country alone, 516,576 courses of inappropriate artemisinin-based combination therapy (ACT) were averted, worth in excess of $1m.
Malaria in pregnancy causes the deaths of 200,000 newborns and 10,000 mothers annually. The Liverpool School of Tropical Medicine is the coordinating centre of the global Malaria in Pregnancy Consortium. LSTM-led research from 2007 has contributed to the World Health Organisation's (WHO) estimates of the global burden of malaria in pregnancy, showing that 125M pregnancies are at risk, more than double previous estimates. The Consortium has also contributed to a better understanding of the low uptake of existing interventions by pregnant women, and identification of the best prevention strategies. Consequently, WHO updated its policy recommendations in 2007on intermittent-preventive-treatment for prevention of malaria in pregnancy, adopted in 37 sub-Saharan countries, and in 2012, already adopted in 9 countries.
Research carried out by LSHTM made a fundamental contribution to the creation of the Affordable Medicines Facility — malaria (AMFm), a financing mechanism initiated to improve access to effective antimalarials through subsidies and price negotiations with drug manufacturers. Drawing on LSHTM research showing the importance of the private sector in supplying antimalarial medicines, the scheme was proposed by the US Institute of Medicine (IOM) and piloted in Kenya and Tanzania. After its 2009 launch, a subsequent evaluation by LSHTM and others using LSHTM methodological innovations led to AMFm's integration into ongoing funding streams.
The emergence of new psychoactive substances (NPS) in Europe over the last decade (including performance and image enhancing drugs), poses challenges to policy makers. These are substances which are frequently not controlled under law, and governments have struggled to address potential societal and health harms of use. We have analysed this drugs market, described the potential health harms of NPS, and generated evidence on effective intervention responses for some of these. Our findings have provided the necessary evidence to support the development of robust, responsive and predictive policy making at both national and international levels.
The World Health Organization (WHO) estimate 3.3 billion people are at risk of malaria, with 219 million cases and over half a million deaths annually. The Liverpool School of Tropical Medicine (LSTM) has applied new methods of research synthesis to malaria, and the results of this work have directly influenced important global decisions on malaria policies, including the adoption of new antimalarial drugs. In this case study, we report on the influence of the LSTM on malaria control over the last 15 years by preparing rigorous, up-to-date, timely systematic reviews on malaria. This work has also contributed to substantive improvements in the methodological rigor and transparency of the WHO malaria policy group in evidence-based policy formulation and guideline development.