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Liposomal amphotericine b

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https://www.readbyqxmd.com/read/28712122/clinical-features-and-treatment-response-of-cutaneous-leishmaniasis-in-north-west-ethiopia
#1
Helina Fikre, Rezika Mohammed, Saba Atinafu, Johan van Griensven, Ermias Diro
OBJECTIVE: Cutaneous leishmaniasis (CL) receives far less attention than visceral leishmaniasis. Nevertheless, CL is predominantly caused by a unique species in Ethiopia (L aethiopica), which is known to cause severe forms such as diffuse (DCL) and mucocutaneous leishmaniasis (MCL). We report on the number and type of CL cases diagnosed, the clinical features, the treatments and treatment outcomes in North-West Ethiopia. METHODS: This is a retrospective chart record analysis of CL patients treated at the Leishmania Research and Treatment Center (LRTC) of the University of Gondar, Ethiopia...
July 16, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28698667/phylogenetic-analysis-reveals-two-genotypes-of-the-emerging-fungus-mucor-indicus-an-opportunistic-human-pathogen-in-immunocompromised-patients
#2
Saad J Taj-Aldeen, Muna Almaslamani, Bart Theelen, Teun Boekhout
Mucormycosis is a rare fungal infection caused by Mucor indicus. Phylogenetic analysis of many M. indicus isolates, mainly sampled from different clinical and environmental specimens collected worldwide, revealed two genotypes, I and II, based on ITS and D1/D2 LSU rDNA sequences. A retrospective review of the literature revealed 13 cases. Eight (76.9%) patients had disseminated infections, and the overall mortality rate was 30.7%. A pulmonary infection caused by M. indicus genotype I in a liver transplant recipient was disseminated to include the skin and was successfully treated with liposomal amphotericin B and aggressive surgery...
July 12, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28687695/hiding-in-plain-sight-a-case-of-chronic-disseminated-histoplasmosis-with-central-nervous-system-involvement
#3
Guramrinder Singh Thind, Sandeep Patri
A 64-year-old man presented with gradual onset of confusion, ataxia and 25-pound weight loss over 3 months. MRI of the brain revealed two enhancing cerebellar lesions suspicious for metastases. Positron emission tomography-CT showed enhancement of cervical and axillary lymph nodes. Left axillary lymph node biopsy showed no evidence of malignancy but instead showed fungal organisms morphologically consistent with Histoplasma spp. Disseminated histoplasmosis with central nervous system involvement was suspected...
July 6, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28687071/recurrence-of-visceral-and-muco-cutaneous-leishmaniasis-in-a-patient-under-immunosuppressive-therapy
#4
Gilles Darcis, Gert Van der Auwera, Jean-Baptiste Giot, Marie-Pierre Hayette, Françoise Tassin, Jorge Arrese Estrada, Lieselotte Cnops, Michel Moutschen, Laurence de Leval, Philippe Leonard
BACKGROUND: Leishmaniasis is a protozoan disease caused by parasites of the genus Leishmania, transmitted to humans by sandflies. The diagnosis of leishmaniasis is often challenging as it mimics many other infectious or malignant diseases. The disease can present in three ways: cutaneous, mucocutaneous, or visceral leishmaniasis, which rarely occur together or consecutively. CASE PRESENTATION: The patient was a 52 years old immunosuppressed Belgian woman with a long history of severe rheumatoid arthritis...
July 7, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28680340/successful-treatment-of-pulmonary-candidiasis-and-aspergillosis-in-patient-with-refractory-hodgkin-lymphoma-using-micafungin-case-study-and-brief-literature-review
#5
Marta Barańska, Renata Kroll-Balcerzak, Lidia Gil, Joanna Rupa-Matysek, Mieczysław Komarnicki
The number of patients with hematological malignancies who develop invasive fungal disease (IFD) has increased dramatically in recent decades. This increase is attributed to impairment of the host immune system due to intensive cytotoxic chemotherapies, use of corticosteroids and profound immunosuppression after hematopoietic stem cell transplantation (HSCT). Additionally, the increasing prevalence of fungal infections caused by emerging and rare pathogens, IFD of mixed etiology or of atypical localization is observed...
2017: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/28674314/candida-tropicalis-biofilm-formation-and-efficacy-of-liposomal-amphotericin-b-using-time-lapse-images
#6
Akira Kawai, Yuka Yamagishi, Hiroshige Mikamo
Candida species bloodstream infection such as candidemia remains a significant with high morbidity and mortality. Bloodstream infections caused by Candida species is often associated with the ability of Candida to form biofilms by using medical devices, such as central venous catheters. Non-albicans Candida species are increasing gradually in recent clinical practices. One of the Candida species, C. tropicalis, is likely to form biofilms and is also an independent risk factor with high morbidity and mortality in hospitalized patients...
July 1, 2017: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28673256/cryptococcosis-in-patients-with-hematological-diseases-a-14-year-retrospective-clinical-analysis-in-a-chinese-tertiary-hospital
#7
Rui-Ying Wang, Yan-Qiong Chen, Ji-Qin Wu, Xuan Wang, Ya-Hui Cao, Hua-Zhen Zhao, Li-Ping Zhu
BACKGROUND: Cryptococcal infection has become a public health challenge globally. However, information about cryptococcal infection in patients with hematological diseases remains relatively rare. METHODS: HIV-uninfected cryptococcosis cases with hematological diseases admitted to Huashan Hospital from January 2001 to December 2014 were reviewed. RESULTS: In total, 33 cryptococcosis patients were enrolled, including 12 malignant and 21 non-malignant hematological cases...
July 3, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28673017/prognostic-factors-for-death-from-visceral-leishmaniasis-in-patients-treated-with-liposomal-amphotericin-b-in-an-endemic-state-in-brazil
#8
Bruna Dias Tourinho, Frederico Figueiredo Amâncio, Marcela Lencine Ferraz, Mariângela Carneiro
Objective: To characterize the clinical and epidemiological profiles of patients with visceral leishmaniasis (VL) treated with liposomal amphotericin B (LAmB) and to identify prognostic factors for death from VL in 2008-2012 in the state of Minas Gerais, Brazil. Methods: A historical cohort study was conducted using data obtained from treatment requests forms, Brazilian Notifiable Disease Information System and the Mortality Information System. Case-fatality rates of patients with VL treated with LAmB were compared with patients treated with other therapies...
April 1, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28672999/continuous-intrathecal-administration-of-liposomal-amphotericin-b-for-treatment-of-refractory-cryptococcus-neoformans-encephalitis-a-case-report
#9
Haiting Xie, Peng Luo, Zhongli Li, Rui Li, Haitao Sun, Duobin Wu
The aim of the present study was to investigate the treatment of refractory Cryptococcus neoformans encephalitis with continuous administration of liposomal amphotericin B (AmB). Liposomal AmB was administered to a 28-year-old male by intravenous injection, with daily increasing dosages up to 150 mg per day and combined use of fluconazole (0.4 g per day) and oral flucytosine tablets (1.5 g per day). Following 5 months of treatment, C. neoformans could still be detected in the ink stain of cerebrospinal fluid, but the patient could not tolerate a further increase in the dosage of liposomal AmB...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28667347/clinical-analysis-of-diabetic-combined-pulmonary-mucormycosis
#10
Yu-Hong Li, Peng Sun, Jian-Chao Guo
OBJECTIVE: To improve the understanding of diabetic combined pulmonary mucormycosis. METHODS AND RESULTS: The clinical data of twelve patients diagnosed as diabetic combined pulmonary mucormycosis were analyzed by the clinical manifestations, imaging features, diagnosis, treatment and prognosis of this disease. Patients from January 1999 to June 2015 in our hospital had poor blood glucose control and varying degrees of diabetic chronic complications with an on average of diabetes 8...
June 30, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28662034/efficacy-and-safety-of-available-treatments-for-visceral-leishmaniasis-in-brazil-a-multicenter-randomized-open-label-trial
#11
Gustavo Adolfo Sierra Romero, Dorcas Lamounier Costa, Carlos Henrique Nery Costa, Roque Pacheco de Almeida, Enaldo Viera de Melo, Sílvio Fernando Guimarães de Carvalho, Ana Rabello, Andréa Lucchesi de Carvalho, Anastácio de Queiroz Sousa, Robério Dias Leite, Simone Soares Lima, Thais Alves Amaral, Fabiana Piovesan Alves, Joelle Rode
BACKGROUND: There is insufficient evidence to support visceral leishmaniasis (VL) treatment recommendations in Brazil and an urgent need to improve current treatments. Drug combinations may be an option. METHODS: A multicenter, randomized, open label, controlled trial was conducted in five sites in Brazil to evaluate efficacy and safety of (i) amphotericin B deoxycholate (AmphoB) (1 mg/kg/day for 14 days), (ii) liposomal amphotericin B (LAMB) (3 mg/kg/day for 7 days) and (iii) a combination of LAMB (10 mg/kg single dose) plus meglumine antimoniate (MA) (20 mg Sb+5/kg/day for 10 days), compared to (iv) standard treatment with MA (20 mg Sb+5/kg/day for 20 days)...
June 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28656554/fluconazole-non-susceptible-cryptococcus-neoformans-relapsing-refractory-cryptococcosis-and-long-term-use-of-liposomal-amphotericin-b-in-an-aids-patient
#12
Rodrigo de Carvalho Santana, Letícia Aparecida Schiave, Alda Soares Dos Santos Quaglio, Cristiane Masetto de Gaitani, Roberto Martinez
The treatment of cryptococcosis is hampered by inefficacy or intolerance to the recommended antifungal agents. A patient diagnosed with AIDS had multiple relapses of cryptococcal infection, which became refractory to antifungal agents during the course of therapy. During the follow-up, the patient developed renal toxicity due to amphotericin B use and non-susceptibility of isolated Cryptococcus neoformans to fluconazole was detected. Thereafter, antifungal treatment was performed exclusively with liposomal amphotericin B, reaching a cumulative dose of 19,180 mg over 46 months...
June 27, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28653351/cutaneous-leishmania-tropica-in-children-report-of-three-imported-cases-successfully-treated-with-liposomal-amphotericin-b
#13
Nicole Knöpfel, Lucero Noguera-Morel, Daniel Azorin, Francisco Sanz, Antonio Torrelo, Angela Hernández-Martín
Cutaneous leishmaniasis (CL) is the most common form of leishmaniasis, being endemic in more than 90 countries around the world. The increasing number of international travelers to endemic areas has favored the expanding number of imported cases, making CL a mayor health issue.(1,2) Herein, we report three immunocompetent children with multifocal CL caused by Leishmania tropica who received systemic therapy with liposomal amphotericin B (L-AmB). This article is protected by copyright. All rights reserved.
June 27, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28653258/azole-resistance-in-aspergillus-fumigatus-in-patients-with-cystic-fibrosis-a-matter-of-concern
#14
A Hamprecht, F Morio, O Bader, P Le Pape, J Steinmann, E Dannaoui
Aspergillus fumigatus is the most frequent filamentous fungus isolated from respiratory specimens from patients with cystic fibrosis (CF). Triazoles are the most widely used antifungals in the treatment of allergic bronchopulmonary aspergillosis (ABPA) and invasive aspergillosis (IA) in CF patients. Treatment success could be severely compromised by the occurrence of azole-resistant A. fumigatus (ARAf), which is increasingly reported worldwide from both clinical samples and the environment. In previous studies, ARAf has been detected in up to 8% of CF patients...
June 26, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28630200/treatment-of-experimental-visceral-leishmaniasis-with-single-dose-liposomal-amphotericin-b-pharmacodynamics-and-biodistribution-at-different-stages-of-disease
#15
Andrew A Voak, Andy Harris, Zeeshan Qaiser, Simon L Croft, Karin Seifert
Visceral leishmaniasis is a neglected tropical disease, which causes significant morbidity and mortality worldwide. Characterising the pharmacokinetics and pharmacodynamics of anti-leishmanial drugs in pre-clinical models is important for drug development and use. Here we investigated the pharmacodynamics and drug distribution of AmBisome® in L. donovani infected BALB/c mice at three different dose levels and two different time points after infection. We additionally compared drug levels in plasma, liver and spleen in infected and uninfected BALB/c mice over time...
June 19, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28630182/study-of-biodistribution-and-in-vivo-anti-leishmanial-activity-of-a-distigmasterylhemisuccinoyl-glycero-phosphocholine-liposome-intercalated-amphotericin-b
#16
Maryam Iman, Zhaohua Huang, Seyedeh Hoda Alavizadeh, Francis C Szoka, Mahmoud R Jaafari
Distigmasterylhemisuccinoyl-sn-glycero-3- phosphocholine (DSHemsPC) is a new lipid in which two molecules of stigmasterol (an inexpensive plant sterol) are covalently linked via a succinic acid to glycerophosphocholine. Our previous study revealed that a liposome-intercalated Amphotericin B prepared from DSHemsPC (DSHemsPC-Lip-AmB) possess excellent colloidal properties and in vitro antifungal and anti-leishmanial activity similar to AmBisome™. The aim of this study was to determine biodistribution and evaluate the anti-leishmanial effects of DSHemsPC-Lip-AmB in Leishmania major-infected BALB/c mice...
June 19, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28622334/sterol-14%C3%AE-demethylase-mutation-leads-to-amphotericin-b-resistance-in-leishmania-mexicana
#17
Roy Mwenechanya, Julie Kovářová, Nicholas J Dickens, Manikhandan Mudaliar, Pawel Herzyk, Isabel M Vincent, Stefan K Weidt, Karl E Burgess, Richard J S Burchmore, Andrew W Pountain, Terry K Smith, Darren J Creek, Dong-Hyun Kim, Galina I Lepesheva, Michael P Barrett
Amphotericin B has emerged as the therapy of choice for use against the leishmaniases. Administration of the drug in its liposomal formulation as a single injection is being promoted in a campaign to bring the leishmaniases under control. Understanding the risks and mechanisms of resistance is therefore of great importance. Here we select amphotericin B-resistant Leishmania mexicana parasites with relative ease. Metabolomic analysis demonstrated that ergosterol, the sterol known to bind the drug, is prevalent in wild-type cells, but diminished in the resistant line, where alternative sterols become prevalent...
June 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28620958/a-network-meta-analysis-of-primary-prophylaxis-for-invasive-fungal-infection-in-haematological-patients
#18
REVIEW
L P Leonart, F S Tonin, V L Ferreira, S T S Penteado, A Wiens, F A Motta, R Pontarolo
WHAT IS KNOWN AND OBJECTIVE: Antifungal prophylaxis is an option to reduce the incidence of invasive fungal infection (IFI) in haematological patients. To date, no network meta-analysis (NMA) of high-quality evidence (double-blind randomized controlled trials) has been performed on this subject. This systematic review and NMA aimed to evaluate the safety and efficacy of different antifungal agents used for prophylaxis of IFI in patients with haematological disorders. METHODS: A systematic review was performed according to PRISMA and Cochrane recommendations...
June 15, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28607011/liposomal-amphotericin-b-nephrotoxicity-in-patients-with-hematological-malignancies-a-retrospective-cohort-analysis
#19
Marta Stanzani, Nicola Vianelli, Michele Cavo, Alessandro Maritati, Marta Morotti, Russell E Lewis
We retrospectively examined the incidence, onset, risk factors, and outcomes of renal injury during 103 treatment courses of liposomal amphotericin B (L-AMB) in 97 adult patients with hematological malignancies. All patients were analyzed before, during and after the administration of L-AMB, and renal injury was graded per the RIFLE criteria. Most patients (87.3%) received L-AMB at 3 mg/kg/day. Nearly two-thirds (61.7%) of treatment courses did not meet any RIFLE category for renal injury, while 19.4% of patients were classified at risk, 13...
June 12, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28591186/increasing-incidence-of-mucormycosis-in-a-large-spanish-hospital-from-2007-to-2015-epidemiology-and-microbiological-characterization-of-the-isolates
#20
Jesús Guinea, Pilar Escribano, Antonio Vena, Patricia Muñoz, María Del Carmen Martínez-Jiménez, Belén Padilla, Emilio Bouza
We studied 19 cases of proven/probable mucormycosis diagnosed from 2007 to 2015 in our hospital and assessed the microbiological characteristics of the isolates. We recorded the incidence of mucormycosis and clinical and microbiological data of infected patients. Isolates were identified to molecular level and tested for their antifungal susceptibility to azoles, amphotericin B, and liposomal amphotericin B according to the CLSI M-38 A2 procedure. The incidence of mucormycosis in cases/100,000 hospital admissions during 2007-2015 increased significantly with respect to that reported in 1988-2006 (3...
2017: PloS One
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