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Structure- and ligand-based drug design approaches for neglected tropical diseases

Guido, Rafael Victório Carvalho; Oliva, Glaucius; Andricopulo, Adriano Defini
Fonte: INT UNION PURE APPLIED CHEMISTRY; RES TRIANGLE PK Publicador: INT UNION PURE APPLIED CHEMISTRY; RES TRIANGLE PK
Tipo: Artigo de Revista Científica
ENG
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Drug discovery has moved toward more rational strategies based on our increasing understanding of the fundamental principles of protein-ligand interactions. Structure( SBDD) and ligand-based drug design (LBDD) approaches bring together the most powerful concepts in modern chemistry and biology, linking medicinal chemistry with structural biology. The definition and assessment of both chemical and biological space have revitalized the importance of exploring the intrinsic complementary nature of experimental and computational methods in drug design. Major challenges in this field include the identification of promising hits and the development of high-quality leads for further development into clinical candidates. It becomes particularly important in the case of neglected tropical diseases (NTDs) that affect disproportionately poor people living in rural and remote regions worldwide, and for which there is an insufficient number of new chemical entities being evaluated owing to the lack of innovation and R&D investment by the pharmaceutical industry. This perspective paper outlines the utility and applications of SBDD and LBDD approaches for the identification and design of new small-molecule agents for NTDs.; State of Sao Paulo Research Foundation (FAPESP); State of Sao Paulo Research Foundation (FAPESP); National Council for Scientific and Technological Development (CNPq)...

Doenças tropicais negligenciadas: uma nova era de desafios e oportunidades; Neglected tropical diseases: a new era of challenges and opportunities

Dias, Luiz C.; Dessoy, Marco A.; Guido, Rafael Victório Carvalho; Oliva, Glaucius; Andricopulo, Adriano Defini
Fonte: Sociedade Brasileira de Quimica - SBQ; São Paulo Publicador: Sociedade Brasileira de Quimica - SBQ; São Paulo
Tipo: Artigo de Revista Científica
POR
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In an article recently published in Química Nova, entitled “Chemistry Without Borders” (“Química Sem Fronteiras”) [Pinto, A. C.; Zucco, C.; Galembeck, F.; Andrade, J. B.; Vieira, P. C. Quim. Nova 2012, 35, 2092], the authors highlighted the important aspects of science and technology with special emphasis on the field of Chemistry and its contributions toward a more prosperous Brazil of future. As a second step in that direction, this article extends the discussion of a key issue for the country in the framework of the chemistry community through the so called position papers in strategic areas. This document is a part of the contribution of the Brazilian Chemical Society to the World Science Forum to be held in Rio de Janeiro in November 2013. In this context, the present paper provides a brief discussion on neglected tropical diseases (NTDs) with emphasis on the current challenges and opportunities towards the development and evolution of the field. NTDs leads to illness, long-term disability or death, and has severe social, economic and psychological consequences for millions of men, women, and children worldwide. In most cases, the available treatments are inadequate and extremely limited in terms of efficacy and safety...

Use of Guanidine Compounds in the Treatment of Neglected Tropical Diseases

Espirito Santo, Rafael D. do; Machado, Marcella G. M.; Santos, Jean L. dos; Gonzalez, Eduardo R. P.; Chin, Chung M.
Fonte: Bentham Science Publ Ltd Publicador: Bentham Science Publ Ltd
Tipo: Artigo de Revista Científica Formato: 2572-2602
ENG
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); Over one billion people worldwide are afflicted by a group of 17 infectious diseases, known as the neglected tropical diseases (NTDs), reaching mainly undeveloped countries that suffer with a lack of economic incentive, research and policy for new drug discovery. Compounds with guanidine moiety are privileged structures and are attractive as scaffold for the discovery of new drug candidates. This functional group is an important pharmacophore moiety in several therapeutically active compounds. Guanidine-containing heterocycles have been reported to exhibit different biological properties including antiprotozoal and antiparasitic activity such as mebendazole and pyrimethamine used in current therapeutics. The present review covers the progress of guanidine derivatives for NTDs (Human African Trypanosomiasis, Chagas Disease, Leishmaniasis, Buruli Ulcer, Echinococcosis, Taeniasis/Cysticercosis, Lymphatic Filariasis and Onchocerciasis). Also, review the development of new guanidine derivatives in Malaria and Tuberculosis.

Neglected tropical diseases in Brazil

Lindoso,José Angelo L.; Lindoso,Ana Angélica B.P.
Fonte: Instituto de Medicina Tropical Publicador: Instituto de Medicina Tropical
Tipo: Artigo de Revista Científica Formato: text/html
Publicado em 01/10/2009 EN
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Poverty is intrinsically related to the incidence of Neglected Tropical Diseases (NTDs). The main countries that have the lowest human development indices (HDI) and the highest burdens of NTDs are located in tropical and subtropical regions of the world. Among these countries is Brazil, which is ranked 70th in HDI. Nine out of the ten NTDs established by the World Health Organization (WHO) are present in Brazil. Leishmaniasis, tuberculosis, dengue fever and leprosy are present over almost the entire Brazilian territory. More than 90% of malaria cases occur in the Northern region of the country, and lymphatic filariasis and onchocerciasis occur in outbreaks in a particular region. The North and Northeast regions of Brazil have the lowest HDIs and the highest rates of NTDs. These diseases are considered neglected because there is not important investment in projects for the development of new drugs and vaccines and existing programs to control these diseases are not sufficient. Another problem related to NTDs is co-infection with HIV, which favors the occurrence of severe clinical manifestations and therapeutic failure. In this article, we describe the status of the main NTDs currently occurring in Brazil and relate them to the HDI and poverty.

Epidemiology of neglected tropical diseases in transplant recipients: review of the literature and experience of a Brazilian HSCT center

Machado,Clarisse Martins; Martins,Talita Chaves; Colturato,Iago; Leite,Marília Souza; Simione,Anderson João; Souza,Mair Pedro de; Mauad,Marcos Augusto; Colturato,Vergílio Rensi
Fonte: Instituto de Medicina Tropical Publicador: Instituto de Medicina Tropical
Tipo: Artigo de Revista Científica Formato: text/html
Publicado em 01/12/2009 EN
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The rising success rate of solid organ (SOT) and haematopoietic stem cell transplantation (HSCT) and modern immunosuppression make transplants the first therapeutic option for many diseases affecting a considerable number of people worldwide. Consequently, developing countries have also grown their transplant programs and have started to face the impact of neglected tropical diseases (NTDs) in transplant recipients. We reviewed the literature data on the epidemiology of NTDs with greatest disease burden, which have affected transplant recipients in developing countries or may represent a threat to transplant recipients living in other regions. Tuberculosis, Leprosy, Chagas disease, Malaria, Leishmaniasis, Dengue, Yellow fever and Measles are the topics included in this review. In addition, we retrospectively revised the experience concerning the management of NTDs at the HSCT program of Amaral Carvalho Foundation, a public transplant program of the state of São Paulo, Brazil.

Impact of human schistosomiasis in sub-Saharan Africa

Adenowo,Abiola Fatimah; Oyinloye,Babatunji Emmanuel; Ogunyinka,Bolajoko Idiat; Kappo,Abidemi Paul
Fonte: Brazilian Society of Infectious Diseases Publicador: Brazilian Society of Infectious Diseases
Tipo: Artigo de Revista Científica Formato: text/html
Publicado em 01/04/2015 EN
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Schistosomiasis, a neglected tropical disease of poverty ranks second among the most widespread parasitic disease in various nations in sub-Saharan Africa. Neglected tropical diseases are causes of about 534,000 deaths annually in sub-Saharan Africa and an estimated 57 million disability-adjusted life-years are lost annually due to the neglected tropical diseases. The neglected tropical diseases exert great health, social and financial burden on economies of households and governments. Schistosomiasis has profound negative effects on child development, outcome of pregnancy, and agricultural productivity, thus a key reason why the "bottom 500 million" inhabitants of sub-Saharan Africa continue to live in poverty. In 2008, 17.5 million people were treated globally for schistosomiasis, 11.7 million of those treated were from sub-Saharan Africa. This enervating disease has been successfully eradicated in Japan, as well as in Tunisia. Morocco and some Caribbean Island countries have made significant progress on control and management of this disease. Brazil, China and Egypt are taking steps towards elimination of the disease, while most sub-Saharan countries are still groaning under the burden of the disease. Various factors are responsible for the continuous and persistent transmission of schistosomiasis in sub-Saharan Africa. These include climatic changes and global warming...

Incorporating a Rapid-Impact Package for Neglected Tropical Diseases with Programs for HIV/AIDS, Tuberculosis, and Malaria: A comprehensive pro-poor health policy and strategy for the developing world

Hotez, Peter J; Molyneux, David H; Fenwick, Alan; Ottesen, Eric; Ehrlich Sachs, Sonia; Sachs, Jeffrey D
Fonte: Public Library of Science Publicador: Public Library of Science
Tipo: Artigo de Revista Científica
EN
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Hotez et al. argue that achieving success in the global fight against HIV/AIDS, tuberculosis, and malaria may well require a concurrent attack on the neglected tropical diseases.

Schistosomiasis and neglected tropical diseases: towards integrated and sustainable control and a word of caution

UTZINGER, J.; RASO, G.; BROOKER, S.; DE SAVIGNY, D.; TANNER, M.; ØRNBJERG, N.; SINGER, B. H.; N’GORAN, E. K.
Fonte: PubMed Publicador: PubMed
Tipo: Artigo de Revista Científica
Publicado em /11/2009 EN
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In May 2001, the World Health Assembly (WHA) passed a resolution which urged member states to attain, by 2010, a minimum target of regularly administering anthelminthic drugs to at least 75% and up to 100% of all school-aged children at risk of morbidity. The refined global strategy for the prevention and control of schistosomiasis and soil-transmitted helminthiasis was issued in the following year and large-scale administration of anthelminthic drugs endorsed as the central feature. This strategy has subsequently been termed ‘preventive chemotherapy’. Clearly, the 2001 WHA resolution led the way for concurrently controlling multiple neglected tropical diseases. In this paper, we recall the schistosomiasis situation in Africa in mid-2003. Adhering to strategic guidelines issued by the World Health Organization, we estimate the projected annual treatment needs with praziquantel among the school-aged population and critically discuss these estimates. The important role of geospatial tools for disease risk mapping, surveillance and predictions for resource allocation is emphasised. We clarify that schistosomiasis is only one of many neglected tropical diseases and that considerable uncertainties remain regarding global burden estimates. We examine new control initiatives targeting schistosomiasis and other tropical diseases that are often neglected. The prospect and challenges of integrated control are discussed and the need for combining biomedical...

Modeling Transmission Dynamics and Control of Vector-Borne Neglected Tropical Diseases

Luz, Paula M.; Struchiner, Claudio J.; Galvani, Alison P.
Fonte: Public Library of Science Publicador: Public Library of Science
Tipo: Artigo de Revista Científica
Publicado em 26/10/2010 EN
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Neglected tropical diseases affect more than one billion people worldwide. The populations most impacted by such diseases are typically the most resource-limited. Mathematical modeling of disease transmission and cost-effectiveness analyses can play a central role in maximizing the utility of limited resources for neglected tropical diseases. We review the contributions that mathematical modeling has made to optimizing intervention strategies of vector-borne neglected diseases. We propose directions forward in the modeling of these diseases, including integrating new knowledge of vector and pathogen ecology, incorporating evolutionary responses to interventions, and expanding the scope of sensitivity analysis in order to achieve robust results.

Drug Coverage Surveys for Neglected Tropical Diseases: 10 Years of Field Experience

Worrell, Caitlin; Mathieu, Els
Fonte: The American Society of Tropical Medicine and Hygiene Publicador: The American Society of Tropical Medicine and Hygiene
Tipo: Artigo de Revista Científica
Publicado em 01/08/2012 EN
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Mass drug administration is one of the public health strategies recommended by the World Health Organization for the control and elimination of seven neglected tropical diseases (NTDs). Because adequate coverage is vital to achieve program goals, periodically conducting surveys to validate reported coverage to guide NTD programs is recommended. Over the past decade, the Centers for Disease Control and Prevention (CDC) and collaborators conducted more than 30 two-stage cluster household surveys across three continents. The questionnaires gathered coverage data and information relevant to improving NTD programs including NTD-related attitudes and practices. From the 37 coverage survey estimates obtained in those surveys, 73.3% indicated an over reporting of coverage, including all three that assessed school-based distributions. It took an average of 1 week to conduct a survey. Our experiences led us to conclude that coverage surveys are useful and feasible tools to ensure NTD elimination and control goals are reached.

Elimination and Eradication of Neglected Tropical Diseases with Mass Drug Administrations: A Survey of Experts

Keenan, Jeremy D.; Hotez, Peter J.; Amza, Abdou; Stoller, Nicole E.; Gaynor, Bruce D.; Porco, Travis C.; Lietman, Thomas M.
Fonte: Public Library of Science Publicador: Public Library of Science
Tipo: Artigo de Revista Científica
Publicado em 05/12/2013 EN
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Mass drug administrations are used for each of the five most common neglected tropical diseases: lymphatic filariasis, onchocerciasis, schistosomiasis, soil-transmitted helminths, and trachoma. Three of these infections—lymphatic filariasis, onchocerciasis, and trachoma—are officially targeted for elimination, and mass drug administrations play a key role in the elimination plans for each. While progress has been demonstrated for each of these diseases, it is unclear whether researchers of these diseases think that elimination is feasible, or whether mass drug administrations should play an important role given the potential for drug resistance. We performed a survey of neglected tropical diseases experts to assess their opinions on the likelihood of elimination and the role of mass drug administrations for the five most common neglected tropical diseases. Most experts in lymphatic filariasis, onchocerciasis, and trachoma thought elimination was the appropriate goal of treatment programs, whereas most experts in schistosomiasis and soil-transmitted helminths thought that treatment programs were intended to control, but not eliminate, infection. Drug resistance was thought to be a major limitation for each of the infections. Although there were differences between the five infections...

An Argument and Plan for Promoting the Teaching and Learning of Neglected Tropical Diseases

Bonney, Kevin M.
Fonte: American Society of Microbiology Publicador: American Society of Microbiology
Tipo: Artigo de Revista Científica
Publicado em 02/12/2013 EN
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Neglected tropical diseases constitute a significant public health burden, affecting over one billion people globally, yet this group of diseases is underrepresented in the appropriation of both monetary and intellectual capital for developing improved therapies and public health campaigns. The topic of neglected tropical diseases has been similarly marginalized in the biology classrooms of our nation’s high schools and colleges, despite offering an opportunity to teach and learn about a diverse area of microbiology with far-reaching public health, social, and economic implications. Discussed herein is an argument for increasing the representation of neglected tropical diseases in microbiology education as a means to generate increased interest in these diseases among the generation of future researchers and policy-makers, and to promote interdisciplinary learning, civic engagement, and critical thinking.

Measuring the Burden of Neglected Tropical Diseases: The Global Burden of Disease Framework

Mathers, Colin D.; Lopez, Alan D.; Ezzati, Majid
Fonte: Public Library of Science Publicador: Public Library of Science
Tipo: Artigo de Revista Científica
EN_US
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Reliable, comparable information about the main causes of disease and injury in populations, and how these are changing, is a critical input for debates about priorities in the health sector. Traditional sources of information about the descriptive epidemiology of diseases, injuries, and risk factors are generally incomplete, fragmented, and of uncertain reliability and comparability. The Global Burden of Disease (GBD) study has provided a conceptual and methodological framework to quantify and compare the health of populations using a summary measure of both mortality and disability, the disability-adjusted life year (DALY). This paper describes key features of the Global Burden of Disease analytic approach, which provides a standardized measurement framework to permit comparisons across diseases and injuries, as well as risk factors, and a systematic approach to the evaluation of data. The paper describes the evolution of the GBD, starting from the first study for the year 1990, summarizes the methodological improvements incorporated into GBD revisions for the years 2000–2004 carried out by the World Health Organization, and examines priorities and issues for the next major GBD study, funded by the Bill & Melinda Gates Foundation...

Community-based interventions for the prevention and control of helmintic neglected tropical diseases

Salam, R.A.; Maredia, H.; Das, J.K.; Lassi, Z.S.; Bhutta, Z.A.
Fonte: BioMed Central Publicador: BioMed Central
Tipo: Artigo de Revista Científica
Publicado em //2014 EN
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In this paper, we aim to systematically analyze the effectiveness of community-based interventions (CBIs) for the prevention and control of helminthiasis including soil-transmitted helminthiasis (STH) (ascariasis, hookworms, and trichuriasis), lymphatic filariasis, onchocerciasis, dracunculiasis, and schistosomiasis. We systematically reviewed literature published before May 2013 and included 32 studies in this review. Findings from the meta-analysis suggest that CBIs are effective in reducing the prevalence of STH (RR: 0.45, 95% CI: 0.38, 0.54), schistosomiasis (RR: 0.40, 95% CI: 0.33, 0.50), and STH intensity (SMD: -3.16, 95 CI: -4.28, -2.04). They are also effective in improving mean hemoglobin (SMD: 0.34, 95% CI: 0.20, 0.47) and reducing anemia prevalence (RR: 0.90, 95% CI: 0.85, 0.96). However, it did not have any impact on ferritin, height, weight, low birth weight (LBW), or stillbirths. School-based delivery significantly reduced STH (RR: 0.49, 95% CI: 0.39, 0.63) and schistosomiasis prevalence (RR: 0.50, 95% CI: 0.33, 0.75), STH intensity (SMD: -0.22, 95% CI: -0.26, -0.17), and anemia prevalence (RR: 0.87, 95% CI: 0.81, 0.94). It also improved mean hemoglobin (SMD: 0.24, 95% CI: 0.16, 0.32). We did not find any conclusive evidence from the quantitative synthesis on the relative effectiveness of integrated and non-integrated delivery strategies due to the limited data available for each subgroup. However...

Global burden, distribution, and interventions for infectious diseases of poverty

Bhutta, Z.A.; Sommerfeld, J.; Lassi, Z.S.; Salam, R.A.; Das, J.K.
Fonte: BioMed Central Publicador: BioMed Central
Tipo: Artigo de Revista Científica
Publicado em //2014 EN
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Infectious diseases of poverty (IDoP) disproportionately affect the poorest population in the world and contribute to a cycle of poverty as a result of decreased productivity ensuing from long-term illness, disability, and social stigma. In 2010, the global deaths from HIV/AIDS have increased to 1.5 million and malaria mortality rose to 1.17 million. Mortality from neglected tropical diseases rose to 152,000, while tuberculosis killed 1.2 million people that same year. Substantial regional variations exist in the distribution of these diseases as they are primarily concentrated in rural areas of Sub-Saharan Africa, Asia, and Latin America, with geographic overlap and high levels of co-infection. Evidence-based interventions exist to prevent and control these diseases, however, the coverage still remains low with an emerging challenge of antimicrobial resistance. Therefore, community-based delivery platforms are increasingly being advocated to ensure sustainability and combat co-infections. Because of the high morbidity and mortality burden of these diseases, especially in resource-poor settings, it is imperative to conduct a systematic review to identify strategies to prevent and control these diseases. Therefore, we attempted to evaluate the effectiveness of one of these strategies...

Control of neglected tropical diseases in Burundi: partnerships, achievements, challenges, and lessons learned after four years of programme implementation

Ndayishimiye, Onésime; Ortu, Giuseppina; Soares Magalhaes, Ricardo J.; Clements, Archie; Willems, Johan; Whitton, Jane; Lancaster, Warren; Hopkins, Adrian; Fenwick, Alan
Fonte: Public Library of Science Publicador: Public Library of Science
Tipo: Artigo de Revista Científica Formato: 9 pages
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Neglected tropical diseases (NTDs) are a group of 17 conditions that together affect over 1,000,000,000 people in the developing world. Nongovernmental organisations (NGOs) and public-private partnerships have joined efforts to place the NTDs in the spotlight, especially the seven that can be treated with an annual dose of safe and effective drugs: trachoma, three soil-transmitted helminthiases (STHs, ascariasis, hookworm infections, and trichuriasis), lymphatic filariasis (LF), onchocerciasis, and schistosomiasis (SCH). On the wave of this new interest in NTDs, Burundi was selected in 2007 by the Legatum Foundation for financial support for a national NTD programme.; The NTD programme in Burundi was supported by the investment group Legatum and Geneva Global.

Ethical issues in funding research and development of drugs for neglected tropical diseases

Oprea, L.; Braunack-Mayer, A.; Gericke, C.
Fonte: British Med Journal Publ Group Publicador: British Med Journal Publ Group
Tipo: Artigo de Revista Científica
Publicado em //2009 EN
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Neglected and tropical diseases, pervasive in developing countries, are important contributors to global health inequalities. They remain largely untreated due to lack of effective and affordable treatments. Resource-poor countries cannot afford to develop the public health interventions needed to control neglected diseases. In addition, neglected diseases do not represent an attractive market for pharmaceutical industry. Although a number of international commitments, stated in the Millennium Development Goals, have been made to avert the risk of communicable diseases, tropical diseases still remain neglected due to delays in international assistance. This delay can be explained by the form international cooperation has generally taken, which is limited to promoting countries' national interests, rather than social justice at a global level. This restricts the international responsibility for global inequalities in health to a humanitarian assistance. We propose an alternative view, arguing that expanding the scope of international cooperation by promoting shared health and economic value at a global level will create new opportunities for innovative, effective and affordable interventions worldwide. It will also promote neglected diseases as a global research priority. We build our argument on a proposal to replace the patenting system that currently regulates pharmaceutical research with a global fund to reward this research based on actual decreases in morbidity and mortality at a global level. We argue that this approach is beneficent because it will decrease global health inequalities and promote social justice worldwide.; L. Oprea...

Epidemiologia das doenças tropicais negligenciadas em receptores de transplantes: revisão da literatura e experiência de um centro brasileiro; Epidemiology of neglected tropical diseases in transplant recipients: review of the literature and experience of a Brazilian HSCT center

Machado, Clarisse Martins; Martins, Talita Chaves; Colturato, Iago; Leite, Marília Souza; Simione, Anderson João; Souza, Mair Pedro de; Mauad, Marcos Augusto; Colturato, Vergílio Rensi
Fonte: Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo Publicador: Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo
Tipo: info:eu-repo/semantics/article; info:eu-repo/semantics/publishedVersion; ; ; ; ; Formato: application/pdf
Publicado em 01/01/2009 ENG
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O sucesso crescente dos transplantes de órgãos sólidos (TOS) e de células tronco-hematopoiéticas (TCTH) e as novas drogas imunossupressoras fizeram dos transplantes a primeira opção terapêutica para muitas doenças que afetam milhares de pessoas em todo o mundo. Também os populosos países em desenvolvimento investiram no crescimento de seus programas de transplante e desde então começaram a vivenciar o impacto das doenças tropicais negligenciadas (DTNs) nestes pacientes. Revisamos os dados da literatura sobre a epidemiologia das DTNs de maior impacto clinico e social que afetam receptores de transplante de países em desenvolvimento, ou que podem representar um risco para receptores de transplante vivendo em outras regiões não afetadas por estas doenças. Tuberculose, hanseníase, doença de Chagas, malaria, leishmaniose, dengue, febre amarela e sarampo são os tópicos incluídos nesta revisão. Além disso, revisamos retrospectivamente a experiência referente ao manejo das DTNs do Serviço de Transplante de Medula Óssea da Fundação Amaral Carvalho, atualmente o maior centro de TCTH alogênico do Brasil.; The rising success rate of solid organ (SOT) and haematopoietic stem cell transplantation (HSCT) and modern immunosuppression make transplants the first therapeutic option for many diseases affecting a considerable number of people worldwide. Consequently...

Doenças tropicais negligenciadas no Brasil; Neglected tropical diseases in Brazil

Lindoso, José Angelo L.; Lindoso, Ana Angélica B.P.
Fonte: Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo Publicador: Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo
Tipo: info:eu-repo/semantics/article; info:eu-repo/semantics/publishedVersion; ; ; ; ; Formato: application/pdf
Publicado em 01/10/2009 ENG
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A pobreza está intrinsicamente relacionada com a ocorrência de doenças tropicais negligenciadas (DTNs). Os principais países com os menores índices de desenvolvimento humano (IDH) e a maior carga de DTNs estão nas regiões tropicais e subtropicais do globo terrestre. O Brasil é o 70º país no ranking do IDH e concentra nove das 10 principais doenças tropicais consideradas negligenciadas pela OMS. Leishmanioses, tuberculose, dengue e hanseníase ocorrem em quase todo o território do Brasil. Mais de 90% dos casos de malária ocorrem na região norte e há surtos de filariose linfática e oncocercose. As regiões norte e nordeste apresentam o menor IDH e concentram o maior número das DTNs. Essas doenças são consideradas negligenciadas devido à falta de investimento no desenvolvimento de novas drogas e vacinas e também pela pouca eficácia dos programas de controle. Um problema preocupante em relação às DTNs é a co-infecção com HIV, que favorece manifestações clínicas graves e falência terapêutica. Neste artigo, a situação das principais DTNs no Brasil é descrita e correlacionada com o IDH e a pobreza.; Poverty is intrinsically related to the incidence of Neglected Tropical Diseases (NTDs). The main countries that have the lowest human development indices (HDI) and the highest burdens of NTDs are located in tropical and subtropical regions of the world. Among these countries is Brazil...

The global burden of neglected tropical diseases

Herrera,Jessica S.; Franco-Paredes,Carlos; Santos-Preciado,José Ignacio
Fonte: Instituto Nacional de Salud, Hospital Infantil de México Federico Gómez Publicador: Instituto Nacional de Salud, Hospital Infantil de México Federico Gómez
Tipo: Artigo de Revista Científica Formato: text/html
Publicado em 01/04/2011 EN
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The neglected tropical diseases (NTDs) consist of a group of chronic, debilitating, and poverty-promoting parasitic, bacterial, and viral and fungal infections that are widespread among people in poor rural or peri-urban communities living in tropical or subtropical areas. However, due to population mobility, diseases such as Chagas disease can be diagnosed anywhere on the globe. The NTDs are disabling, disfiguring and deadly diseases impacting more than one billion people worldwide. They also impair physical and cognitive development, cause adverse pregnancy outcomes, and limit adult productivity in the workforce. The global burden of disease associated with the NTDs is comparable to other infectious diseases such as that of malaria or tuberculosis. Controlling or eliminating NTDs represents an affordable opportunity to improve the health of poor communities, which may ultimately promote social development.