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Malaria prophylaxis

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https://www.readbyqxmd.com/read/28344011/the-epidemiology-pathogenesis-transmission-diagnosis-and-management-of-multidrug-resistant-extensively-drug-resistant-and-incurable-tuberculosis
#1
REVIEW
Keertan Dheda, Tawanda Gumbo, Gary Maartens, Kelly E Dooley, Ruth McNerney, Megan Murray, Jennifer Furin, Edward A Nardell, Leslie London, Erica Lessem, Grant Theron, Paul van Helden, Stefan Niemann, Matthias Merker, David Dowdy, Annelies Van Rie, Gilman K H Siu, Jotam G Pasipanodya, Camilla Rodrigues, Taane G Clark, Frik A Sirgel, Aliasgar Esmail, Hsien-Ho Lin, Sachin R Atre, H Simon Schaaf, Kwok Chiu Chang, Christoph Lange, Payam Nahid, Zarir F Udwadia, C Robert Horsburgh, Gavin J Churchyard, Dick Menzies, Anneke C Hesseling, Eric Nuermberger, Helen McIlleron, Kevin P Fennelly, Eric Goemaere, Ernesto Jaramillo, Marcus Low, Carolina Morán Jara, Nesri Padayatchi, Robin M Warren
Global tuberculosis incidence has declined marginally over the past decade, and tuberculosis remains out of control in several parts of the world including Africa and Asia. Although tuberculosis control has been effective in some regions of the world, these gains are threatened by the increasing burden of multidrug-resistant (MDR) and extensively drug-resistant (XDR) tuberculosis. XDR tuberculosis has evolved in several tuberculosis-endemic countries to drug-incurable or programmatically incurable tuberculosis (totally drug-resistant tuberculosis)...
March 15, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28339598/high-postdischarge-morbidity-in-ugandan-children-with-severe-malarial-anemia-or-cerebral-malaria
#2
Robert O Opoka, Karen E S Hamre, Nathan Brand, Paul Bangirana, Richard Idro, Chandy C John
Summary: Postdischarge readmission and outpatient illnesses are frequent in children with severe malarial anemia or cerebral malaria. Trials of postdischarge malaria prophylaxis in children with severe malaria should be considered. Background: Cerebral malaria (CM) and severe malarial anemia (SMA) account for a substantial proportion of malaria-related deaths in sub-Saharan Africa. However, postdischarge morbidity in children with CM or SMA has not been well established...
October 7, 2016: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28334018/development-of-an-evidence-evaluation-and-synthesis-system-for-drug-drug-interactions-and-its-application-to-a-systematic-review-of-hiv-and-malaria-co-infection
#3
Kay Seden, Sara Gibbons, Catia Marzolini, Jonathan M Schapiro, David M Burger, David J Back, Saye H Khoo
BACKGROUND: In all settings, there are challenges associated with safely treating patients with multimorbidity and polypharmacy. The need to characterise, understand and limit harms resulting from medication use is therefore increasingly important. Drug-drug interactions (DDIs) are prevalent in patients taking antiretrovirals (ARVs) and if unmanaged, may pose considerable risk to treatment outcome. One of the biggest challenges in preventing DDIs is the substantial gap between theory and clinical practice...
2017: PloS One
https://www.readbyqxmd.com/read/28291967/phototoxicity-of-doxycycline-a-systematic-review-on-clinical-manifestations-frequency-cofactors-and-prevention
#4
Steven Goetze, Christian Hiernickel, Peter Elsner
BACKGROUND: One of the most important dermatologic side effects of doxycycline is photosensitivity. As doxycycline is important for malaria prophylaxis and malaria is mainly spread in countries with high sun radiation, special attention should be paid to this adverse effect. While there are many publications on the phototoxicity of tetracyclines in general, only a few exist focusing on doxycycline. The objective of this systematic review was to summarize all available reports on clinical manifestations, influencing factors like UV dose or dose of medication, and the possibilities of prevention by sun protection...
March 15, 2017: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/28259152/should-chemoprophylaxis-be-a-main-strategy-for-preventing-re-introduction-of-malaria-in-highly-receptive-areas-sri-lanka-a-case-in-point
#5
A Rajitha Wickremasinghe, Renu Wickremasinghe, Hemantha D B Herath, S Deepika Fernando
BACKGROUND: Imported malaria cases continue to be reported in Sri Lanka, which was declared 'malaria-free' by the World Health Organization in September 2016. Chemoprophylaxis, a recommended strategy for malaria prevention for visitors travelling to malaria-endemic countries from Sri Lanka is available free of charge. The strategy of providing chemoprophylaxis to visitors to a neighbouring malaria-endemic country within the perspective of a country that has successfully eliminated malaria but is highly receptive was assessed, taking Sri Lanka as a case in point...
March 4, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28249591/controlled-release-of-artemisone-for-the-treatment-of-experimental-cerebral-malaria
#6
Jacob Golenser, Viola Buchholz, Amir Bagheri, Abed Nasereddin, Ron Dzikowski, Jintao Guo, Nicholas H Hunt, Sara Eyal, Natalia Vakruk, Andreas Greiner
BACKGROUND: Cerebral malaria (CM) is a leading cause of malarial mortality resulting from infection by Plasmodium falciparum. Treatment commonly involves adjunctive care and injections or transfusion of artemisinins. All artemisinins that are in current use are metabolized to dihydroxyartemisinin (DHA), to which there is already some parasite resistance. We used artemisone, a derivative that does not convert to DHA, has improved pharmacokinetics and anti-plasmodial activity and is also anti-inflammatory (an advantage given the immunopathological nature of CM)...
March 1, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28237435/imported-malaria-in-children-in-madrid-spain-2007-2013
#7
Beatriz Soto Sánchez, L M Prieto Tato, S Guillén Martín, E Pérez, C Grasa, S Valderrama, I de Augusto, M Sierra, M García Ros, I Aguado, M García López Hortelano
BACKGROUND: The majority of malaria cases diagnosed in Europe in the last few years have occurred in people living in non-endemic areas travelling back to their home country to visit friends and relatives (VFRs). Children account for 15-20% of imported malaria, with known higher risk of severe disease. MATERIAL AND METHODS: A retrospective multicentre study was conducted in 24 hospitals in Madrid (Spain) including patients under 16 years diagnosed with malaria (2007-2013)...
February 23, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/28213434/malaria-during-pregnancy
#8
Michal Fried, Patrick E Duffy
One hundred and twenty-five million women in malaria-endemic areas become pregnant each year (see Dellicour et al. PLoS Med7: e1000221 [2010]) and require protection from infection to avoid disease and death for themselves and their offspring. Chloroquine prophylaxis was once a safe approach to prevention but has been abandoned because of drug-resistant parasites, and intermittent presumptive treatment with sulfadoxine-pyrimethamine, which is currently used to protect pregnant women throughout Africa, is rapidly losing its benefits for the same reason...
February 17, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28173862/pre-travel-malaria-chemoprophylaxis-counselling-in-a-public-travel-medicine-clinic-in-s%C3%A3-o-paulo-brazil
#9
Tânia do Socorro Souza Chaves, Wuelton Marcelo Monteiro, Jessé Reis Alves, Marcus Lacerda, Marta Heloisa Lopes
BACKGROUND: Malaria is one of the most prevalent parasitic diseases in the world and represents a threat to travellers visiting endemic areas. Chemoprophylaxis is the prevention measure used in travel medicine, avoiding clinical manifestations and protecting against the development of severe disease and death. METHODS: Retrospective and descriptive analysis of malaria prevention data in travellers was recorded from a travel medicine clinic in São Paulo, Brazil, between January 2006 and December 2010...
February 7, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28163958/a-prospective-comparative-field-study-to-evaluate-the-efficacy-of-a-traditional-plant-based-malaria-prophylaxis
#10
Prakash Bangalore Nagendrappa, Pradeep Annamalai, Muruli Naik, Vinay Mahajan, Ashwini Mathur, Ghosh Susanta, Frederick Gay, Padma Venkatasubramanian
BACKGROUND: An unceasing threat of resistance of malarial parasites to available antimalarial drugs makes the development of new drugs imperative. Natural plant-based products are an alternative source for discovering new antimalarial drugs. AIM: To determine the prophylactic efficacy of a traditionally used plant-based drug on prevention of malaria in endemic villages of Odisha, India. METHODS: A total of 267 healthy human volunteers of both sexes, aged 18-60 years were enrolled in Odisha, India, to receive either minimum 20 doses of aqueous extract of Traditional Plant-based Malaria Prophylactic drug 74, twice a week (experimental group), or no drug (control group) for 14 weeks...
January 2017: Journal of Intercultural Ethnopharmacology
https://www.readbyqxmd.com/read/28121670/effect-of-antiretroviral-therapy-on-malaria-incidence-in-hiv-infected-ugandan-adults
#11
Ronnie P Kasirye, Heiner Grosskurth, Paula Munderi, Jonathan Levin, Zacchaeus Anywaine, Andrew Nunn, Anatoli Kamali, Kathy Baisley
INTRODUCTION: Using the data of a trial on cotrimoxazole (CTX) cessation, we investigated the effect of different antiretroviral therapy (ART) regimens on the incidence of clinical malaria. METHODS: During the cotrimoxazole cessation trial (ISRCTN44723643), HIV-infected Ugandan adults with CD4 at least 250 cells/μl were randomized to receive either CTX prophylaxis or placebo and were followed for a median of 2.5 years. Blood slides for malaria microscopy were examined at scheduled visits and at unscheduled visits when the participant felt unwell...
February 20, 2017: AIDS
https://www.readbyqxmd.com/read/28119046/concurrent-plasmodium-infection-anemia-and-their-correlates-among-newly-diagnosed-people-living-with-hiv-aids-in-northern-ethiopia
#12
Habtamu Bedimo Beyene, Mulualem Tadesse, Haimanot Disassa, Melkamu B Beyene
The magnitude of concurrent malaria infection and the impact it has on hematological abnormalities, such as anemia in people living with HIV/AIDS, is not well studied in Ethiopian set up. In this cross sectional study, therefore, we assessed the prevalence of concurrent malaria infection and anemia among highly active anti-retroviral therapy (HAART) naive people living with HIV/AIDS between October, 2012 to May, 2013 in Northern Ethiopia. After obtaining consent, socio demographic, clinical, immunological and behavioural data was obtained...
May 2017: Acta Tropica
https://www.readbyqxmd.com/read/28077589/trimethoprim-sulfamethoxazole-prophylaxis-during-live-malaria-sporozoite-immunization-induces-long-lived-homologous-and-heterologous-protective-immunity-against-sporozoite-challenge
#13
Charlotte V Hobbs, Charles Anderson, Jillian Neal, Tejram Sahu, Solomon Conteh, Tatiana Voza, Jean Langhorne, William Borkowsky, Patrick E Duffy
Trimethoprim-sulfamethoxazole (TMP-SMX) is widely used in malaria-endemic areas in human immunodeficiency virus (HIV)-infected children and HIV-uninfected, HIV-exposed children as opportunistic infection prophylaxis. Despite the known effects that TMP-SMX has in reducing clinical malaria, its impact on development of malaria-specific immunity in these children remains poorly understood. Using rodent malaria models, we previously showed that TMP-SMX, at prophylactic doses, can arrest liver stage development of malaria parasites and speculated that TMP-SMX prophylaxis during repeated malaria exposures would induce protective long-lived sterile immunity targeting pre-erythrocytic stage parasites in mice...
January 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28077587/malaria-parasitemia-and-parasite-density-in-antiretroviral-treated-hiv-infected-adults-following-discontinuation-of-cotrimoxazole-prophylaxis
#14
Ronald K Ottichilo, Christina S Polyak, Bernard Guyah, Benson Singa, Josphat Nyataya, Krista Yuhas, Grace John-Stewart, John N Waitumbi
BACKGROUND:  Cotrimoxazole (CTX) discontinuation increases malaria incidence in human immunodeficiency virus (HIV)-infected individuals. Rates, quantity, and timing of parasitemia rebound following CTX remain undefined. METHODS:  Serial specimens from a trial of HIV-infected individuals receiving antiretroviral treatment (ART) randomized to continue (the CTX arm) or discontinue (the STOP-CTX arm) were examined for malaria parasites by quantitative reverse transcription polymerase chain reaction (PCR)...
January 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28032428/antimalarial-treatment-patterns-among-pregnant-women-attending-antenatal-care-clinics-in-south-east-nigeria-and-the-future-implications
#15
Charles Ezenduka, Chizoba Nworgu, Brian Barr Godman, Amos Massele, Charles Esimone
BACKGROUND: Prompt and effective treatment of malaria in pregnancy in accordance with recommended guidelines is essential to help prevent adverse events among pregnant mothers and the foetus. AIM: The aim of this study was to assess current prescribing of antimalarial medicines in pregnancy against policy guidelines in south east Nigeria to provide future guidance. METHODS: A review of prescription records of pregnant women treated for malaria over a 6-month period between August 2013 and January 2014 was carried out to assess the prescribing patterns for both the prevention and treatment of malaria in each trimester and analyzed for conformity to recommended guidelines...
December 2016: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28008284/implementation-of-co-trimoxazole-preventive-therapy-policy-for-malaria-in-hiv-infected-pregnant-women-in-the-public-health-facilities-in-tanzania
#16
Appolinary Ar Kamuhabwa, Richard Gordian, Ritah F Mutagonda
BACKGROUND: In 2011, Tanzania adopted a policy for provision of daily co-trimoxazole prophylaxis to HIV-infected pregnant women for prevention of malaria and other opportunistic infections. As per the policy, HIV-infected pregnant women should not be given sulfadoxine-pyrimethamine (SP) for intermittent preventive therapy. The challenges associated with this policy change and the extent to which the new policy for prevention of malaria in pregnant women coinfected with HIV was implemented need to be assessed...
2016: Drug, Healthcare and Patient Safety
https://www.readbyqxmd.com/read/27934844/severe-unresolving-plasmodium-falciparum-malaria-following-artemisinin-combination-therapy-emergence-of-drug-resistance-in-saudi-arabia
#17
I A Al-Zaydani, A Al-Hakami, A Kumar, S A Abdalla, M Otaif, Rma Thiqa, H Ahmed, K Alnahili
A 5-year-old female child presented with fever of 1-week duration after visiting a malaria endemic zone without antimalarial prophylaxis. The patient presented with respiratory distress, decreased level of consciousness and high-grade fever. An elevated parasitaemia reaching 800,000/μl was observed. Antimalarial therapy was initiated with artesunate being administered intravenous (IV) along with IV clindamycin. Contrary to the expectations, there was no resolution of fever. Following a week of unresolved fever, the drug therapy was revised and altered to IV quinine dihydrochloride and IV clindamycin...
October 2016: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27929232/the-pretravel-consultation
#18
Christopher Sanford, Adam McConnell, Justin Osborn
Key components of the pretravel consultation include intake questions regarding the traveler's anticipated itinerary and medical history; immunizations; malaria prophylaxis; and personal protection measures against arthropod bites, traveler's diarrhea, and injury. Most vaccinations that are appropriate for international travelers are included in the routine domestic immunization schedule; only a few travel-specific vaccines must also be discussed. The most common vaccine-preventable illnesses in international travelers are influenza and hepatitis A...
October 15, 2016: American Family Physician
https://www.readbyqxmd.com/read/27923405/cytochrome-p450-2d-mediated-metabolism-is-not-necessary-for-tafenoquine-and-primaquine-to-eradicate-the-erythrocytic-stages-of-plasmodium-berghei
#19
Erin E Milner, Jonathan Berman, Diana Caridha, Samuel P Dickson, Mark Hickman, Patricia J Lee, Sean R Marcsisin, Lisa T Read, Norma Roncal, Brian A Vesely, Lisa H Xie, Jing Zhang, Ping Zhang, Qigui Li
BACKGROUND: Due to the ability of the 8-aminoquinolines (8AQs) to kill different stages of the malaria parasite, primaquine (PQ) and tafenoquine (TQ) are vital for causal prophylaxis and the eradication of erythrocytic Plasmodium sp. parasites. Recognizing the potential role of cytochrome (CYP) 450 2D6 in the metabolism and subsequent hepatic efficacy of 8-aminoquinolines, studies were designed to explore whether CYP2D-mediated metabolism was related to the ability of single-dose PQ and TQ to eliminate the asexual and sexual erythrocytic stages of Plasmodium berghei...
December 7, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27895848/four-artemisinin-based-treatments-in-african-pregnant-women-with-malaria
#20
Divine Pekyi, Akua A Ampromfi, Halidou Tinto, Maminata Traoré-Coulibaly, Marc C Tahita, Innocent Valéa, Victor Mwapasa, Linda Kalilani-Phiri, Gertrude Kalanda, Mwayiwawo Madanitsa, Raffaella Ravinetto, Theonest Mutabingwa, Prosper Gbekor, Harry Tagbor, Gifty Antwi, Joris Menten, Maaike De Crop, Yves Claeys, Celine Schurmans, Chantal Van Overmeir, Kamala Thriemer, Jean-Pierre Van Geertruyden, Umberto D'Alessandro, Michael Nambozi, Modest Mulenga, Sebastian Hachizovu, Jean-Bertin B Kabuya, Joyce Mulenga
BACKGROUND: Information regarding the safety and efficacy of artemisinin combination treatments for malaria in pregnant women is limited, particularly among women who live in sub-Saharan Africa. METHODS: We conducted a multicenter, randomized, open-label trial of treatments for malaria in pregnant women in four African countries. A total of 3428 pregnant women in the second or third trimester who had falciparum malaria (at any parasite density and regardless of symptoms) were treated with artemether-lumefantrine, amodiaquine-artesunate, mefloquine-artesunate, or dihydroartemisinin-piperaquine...
September 2016: Malawi Medical Journal: the Journal of Medical Association of Malawi
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