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Invasive candidiasis

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https://www.readbyqxmd.com/read/28797882/repurposing-antipsychotic-drugs-into-antifungal-agents-synergistic-combinations-of-azoles-and-bromperidol-derivatives-in-the-treatment-of-various-fungal-infections
#1
Selina Y L Holbrook, Atefeh Garzan, Emily K Dennis, Sanjib K Shrestha, Sylvie Garneau-Tsodikova
As the number of hospitalized and immunocompromised patients continues to rise, invasive fungal infections, such as invasive candidiasis and aspergillosis, threaten the life of millions of patients every year. The azole antifungals are currently the most prescribed drugs clinically that display broad-spectrum antifungal activity and excellent oral bioavailability. Yet, the azole antifungals have their own limitations and are unable to meet the challenges associated with increasing fungal infections and the accompanied development of resistance against azoles...
July 19, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28791666/clinical-pharmacokinetics-and-pharmacodynamics-of-micafungin
#2
REVIEW
Roeland E Wasmann, Eline W Muilwijk, David M Burger, Paul E Verweij, Catherijne A Knibbe, Roger J Brüggemann
Micafungin is a selective inhibitor of the synthesis of fungal 1,3-β-D-glucan, an essential component of the fungal cell wall. It is available as a powder for infusion only and is registered for the treatment of invasive and esophageal candidiasis in addition to prophylaxis of Candida infections in both adults and children. Average exposure after a single intravenous 100 mg dose in healthy adults is 133 mg h/L. Both exposure and maximum plasma concentration show linear dose proportional pharmacokinetics (PK) over a 0...
August 8, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28774702/candida-and-invasive-mould-diseases-in-non-neutropenic-critically-ill-patients-and-patients-with-haematological-cancer
#3
REVIEW
A L Colombo, J N de Almeida Júnior, Monica A Slavin, Sharon C-A Chen, Tania C Sorrell
Critically ill patients and patients with haematological cancer are HIV-negative populations at high risk of invasive fungal infections. In intensive-care units, candidaemia and intra-abdominal candidiasis predominate, but aspergillosis has emerged as a lethal, under-recognised cause of pneumonia. In patients with haematological malignancies or who have undergone stem-cell transplantations, pulmonary disease due to aspergillus and other mould diseases predominate. In this Series paper, we provide an update on risk assessment, new diagnostic strategies, and therapeutic approaches...
July 31, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28767571/candida-vertebral-osteomyelitis-cvo-28-cases-from-a-10-year-retrospective-study-in-france
#4
Clémence Richaud, Victoire De Lastours, Xavière Panhard, David Petrover, Fantin Bruno, Agnès Lefort
Although increasingly frequent, little is known about the clinical presentation, radiological signs, and outcome of Candida vertebral osteomyelitis (CVO).We performed a nationwide retrospective study of laboratory-confirmed cases of CVO over a 10 year-period in France with a prolonged follow-up. We describe demographic, clinical, biological, and radiological characteristics of patients with CVO, patients' management, and long-term outcome and determine factors associated with a poor outcome.In total, 28 patients with laboratory-confirmed CVO were included...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28739797/unraveling-drug-penetration-of-echinocandin-antifungals-at-the-site-of-infection-in-an-intra-abdominal-abscess-model
#5
Yanan Zhao, Brendan Prideaux, Yoji Nagasaki, Min Hee Lee, Pei-Yu Chen, Landry Blanc, Hsinpin Ho, Cornelius J Clancy, Minh Hong Nguyen, Véronique Dartois, David S Perlin
Intra-abdominal candidiasis (IAC) is a prominent invasive fungal infection associated with high mortality. Prompt antifungal therapy and source control are crucial for successful treatment. Echinocandin antifungal drugs are first-line agents. Yet, their clinical effectiveness is highly variable with known potential for breakthrough resistance, and little is known about drug exposure at the site of infection. Using matrix-assisted desorption/ionization mass spectrometry imaging technology, we investigated the spatial and quantitative distribution in tissue lesions for two echinocandin drugs, micafungin and CD101, in a clinically relevant IAC mouse model...
July 24, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28734773/epico-4-0-total-quality-in-the-management-of-invasive-candidiasis-in-critically-ill-patients-by-analysing-the-integrated-process
#6
Rafael Zaragoza, Ricard Ferrer, Pedro Llinares, Emilio Maseda, Alejandro Rodríguez, Santiago Grau, Guillermo Quindós
BACKGROUND: A high quality integrated process in the clinical setting of non-neutropenic critically ill patients at risk for invasive candidiasis is a necessary tool to improve the management of these patients. AIMS: To identify the key points on invasive candidiasis in order to develop a set of recommendations with a high level of consensus required for the creation of a total quality integrated process for the management of non-neutropenic critically ill patients at risk of invasive candidiasis...
July 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28713338/investigation-of-och1-in-the-virulence-of-candida-parapsilosis-using-a-new-neonatal-mouse-model
#7
Katalin Csonka, Máté Vadovics, Annamária Marton, Csaba Vágvölgyi, Erik Zajta, Adél Tóth, Renáta Tóth, Csaba Vizler, László Tiszlavicz, Héctor M Mora-Montes, Attila Gácser
Candida parapsilosis is an opportunistic human fungal pathogen that poses a serious threat to low birth weight neonates, particularly at intensive care units. In premature infants, the distinct immune responses to Candida infections are not well understood. Although several in vivo models exist to study systemic candidiasis, only a few are available to investigate dissemination in newborns. In addition, the majority of related studies apply intraperitoneal infection rather than intravenous inoculation of murine infants that may be less efficient when studying systemic invasion...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28709496/drug-resistant-tuberculosis-coexisting-with-invasive-candidiasis-in-an-immunocompetent-30-year-old-woman-a-case-report
#8
Rakhee Khanduri, Sushant Khanduri, Sanjeev Kumar, Ankur Saini, Arti Kotwal
Invasive candidiasis coexisting with drug-resistant Mycobacterium tuberculosis (DR-TB) in the immunocompetent patient is a rare entity. We report a 30-year-old woman, nondiabetic, who presented to us with complaints of acute onset cough, breathlessness, and fever since 20 days. On thorough investigations, she was diagnosed to be suffering from coexisting drug-resistant tuberculosis and invasive candidiasis. Prompt treatment initiated at right time helped us in saving her life. The unique presentation of this case and that too in an immunocompetent female makes it an interesting case...
July 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28699797/candidemia-and-invasive-candidiasis-among-hospitalized-neonates-and-pediatric-patients
#9
Rachel Harrington, Sylvia L Kindermann, Qingjiang Hou, Robert J Taylor, Nkechi Azie, David L Horn
OBJECTIVE: To investigate the epidemiology, treatment, length of stay (LOS) and costs for neonatal and pediatric inpatients with invasive candidiasis (IC). METHODS: The Cerner Health Facts Database was used to assess inpatients (2005-2014) identified by positive blood or cerebrospinal fluid (CSF) Candida cultures. Log-transformed LOS and cost were examined in candidemia-only patients (n= 191) using multivariable linear regression. RESULTS: 202 patients had a positive culture (blood: n = 192; CSF: n = 10; both: n = 2)...
July 12, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28699297/cost-effectiveness-analysis-of-anidulafungin-vs-fluconazole-for-the-treatment-of-invasive-candidiasis-ic-in-turkey
#10
Chin Fen Neoh, Esin Senol, Ates Kara, Ener Cagri Dinleyici, Stuart J Turner, David C M Kong
Anidulafungin has been shown to be non-inferior to, and possibly more efficacious, than fluconazole in treating patients with invasive candidiasis (IC). This study aimed to determine the cost-effectiveness of anidulafungin vs fluconazole for treatment of IC in the Turkish setting. A decision analytic model was constructed to depict downstream economic consequences of using anidulafungin or fluconazole for treatment of IC in the Turkish hospitals. Transition probabilities (ie treatment success, observed or indeterminate treatment failures) were obtained from a published randomised clinical trial...
July 12, 2017: Mycoses
https://www.readbyqxmd.com/read/28693479/pharmacoeconomic-analysis-of-antifungal-therapy-for-primary-treatment-of-invasive-candidiasis-caused-by-candida-albicans-and-non-albicans-candida-species
#11
Huang-Tz Ou, Tsung-Ying Lee, Yee-Chun Chen, Claudie Charbonneau
BACKGROUND: Cost-effectiveness studies of echinocandins for the treatment of invasive candidiasis, including candidemia, are rare in Asia. No study has determined whether echinocandins are cost-effective for both Candida albicans and non-albicans Candida species. There have been no economic evaluations that compare non-echinocandins with the three available echinocandins. This study was aimed to assess the cost-effectiveness of individual echinocandins, namely caspofungin, micafungin, and anidulafungin, versus non-echinocandins for C...
July 10, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28687215/invasive-fungal-infections-in-the-intensive-care-unit
#12
REVIEW
Luis Ostrosky-Zeichner, Mohanad Al-Obaidi
Patients in the intensive care unit are exposed to multiple stressors that predispose them to invasive fungal infections (IFIs), which carry high morbidity and mortality. Getting acquainted with the diagnostic methods and therapies is imperative for patient safety and for providing high-quality health care. This article focuses on the most frequent IFIs: invasive candidiasis and invasive aspergillosis.
September 2017: Infectious Disease Clinics of North America
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
#13
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/28666752/dosing-of-caspofungin-based-on-a-pharmacokinetic-pharmacodynamic-index-for-the-treatment-of-invasive-fungal-infections-in-critically-ill-patients-on-continuous-venovenous-haemodiafiltration
#14
Alejandro Pérez-Pitarch, Rafael Ferriols-Lisart, Gerardo Aguilar, Carlos Ezquer-Garín, F Javier Belda, Beatriz Guglieri-López
INTRODUCTION: The objective of this study was to evaluate the efficacy of different dosages of caspofungin in the treatment of invasive candidiasis and aspergillosis, in relation to the probability of pharmacokinetic/pharmacodynamic target attainment, using modelling and Monte Carlo simulations in critically ill adult patients on continuous haemodiafltration. METHODS: Critically ill adult patients on continuous venovenous haemodiafiltration treated with caspofungin were analysed...
June 27, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28659617/potent-in-vitro-and-in-vivo-antifungal-activity-of-a-small-molecule-host-defense-peptide-mimic-through-a-membrane-active-mechanism
#15
Lorenzo P Menzel, Hossain Mobaswar Chowdhury, Jorge Adrian Masso-Silva, William Ruddick, Klaudia Falkovsky, Rafael Vorona, Andrew Malsbary, Kartikeya Cherabuddi, Lisa K Ryan, Kristina M DiFranco, David C Brice, Michael J Costanzo, Damian Weaver, Katie B Freeman, Richard W Scott, Gill Diamond
Lethal systemic fungal infections of Candida species are increasingly common, especially in immune compromised patients. By in vitro screening of small molecule mimics of naturally occurring host defense peptides (HDP), we have identified several active antifungal molecules, which also exhibited potent activity in two mouse models of oral candidiasis. Here we show that one such compound, C4, exhibits a mechanism of action that is similar to the parent HDP upon which it was designed. Specifically, its initial interaction with the anionic microbial membrane is electrostatic, as its fungicidal activity is inhibited by cations...
June 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28659321/performance-of-a-quantitative-pcr-based-assay-and-beta-d-glucan-detection-for-the-diagnosis-of-invasive-candidiasis-in-very-low-birth-weight-preterm-neonatal-patients-candineo-study
#16
Jose Tomas Ramos, Sonia Villar, Emilio Bouza, Elena Bergon-Sendin, Alfredo Perez Rivilla, Caridad Tapia Collados, Mariano Andreu, Candelaria Santana Reyes, María Isolina Campos-Herrero, Jon López de Heredia, María Cruz López Herrera, Paloma Anguita Alonso, Carmen Rosa Pallás-Alonso, Manuel Cuenca-Estrella
An epidemiological, multicenter, non-interventional, observational case-control study was conducted to describe the performance of serum Beta-D-Glucan (BDG) and Candida polymerase chain reaction (PCR) in blood, serum and sterile samples for the diagnosis of invasive candidiasis (IC) in very low birth weight (VLBW) preterm neonates, and to compare these techniques with cultures from blood and other sterile sites. Seventeen centers participated in the study and the number of episodes analyzed was 159. A total of nine episodes of IC from nine patients (seven confirmed and two probable) and 150 episodes of suspected sepsis from 117 controls were identified...
June 28, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28655067/fatal-ulcerative-enteritis-of-the-small-intestine-in-a-patient-with-ulcerative-colitis-treated-with-vedolizumab
#17
Carmen Monasterio, Annette Schmitt-Gräff, Matthias Pohl, Thomas Truschel, Klaus Warnatz, Wolfgang Kreisel, Robert Thimme, Peter Hasselblatt
Vedolizumab (VDZ) inhibits α4β7 integrins and is used to target intestinal immune responses in patients with inflammatory bowel disease, which is considered to be relatively safe. Here we report on a fatal complication following VDZ administration. A 64-year-old female patient with ulcerative colitis (UC) refractory to tumor necrosis factor inhibitors was treated with VDZ. One week after the second VDZ infusion, she was admitted to hospital with severe diarrhea and systemic inflammatory response syndrome (SIRS)...
June 27, 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28651026/binding-of-human-plasminogen-and-high-molecular-mass-kininogen-by-cell-surface-exposed-proteins-of-candida-parapsilosis
#18
Justyna Karkowska-Kuleta, Dorota Zajac, Grazyna Bras, Oliwia Bochenska, Maria Rapala-Kozik, Andrzej Kozik
Pathogenic microbes can recruit to their cell surface human proteins that are components of important proteolytic cascades involved in coagulation, fibrinolysis and innate immune response. Once located at the bacterial or fungal surface, such deployed proteins might be utilized by pathogens to facilitate invasion and dissemination within the host organism by interfering with functionality of these systems or by exploiting specific activity of the bound enzymes. Aim of the study presented here was to characterize this phenomenon in Candida parapsilosis (Ashford) Langeron et Talice - an important causative agent of systemic fungal infections (candidiases and candidemias) in humans...
June 24, 2017: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/28646949/recognition-and-diagnosis-of-invasive-fungal-infections-in-neonates
#19
Joanne L Calley, Adilia Warris
Fungal infections largely caused by Candida species are responsible for a significant disease burden in neonates and invasive candidiasis in hospitalised neonates has high associated morbidity and mortality. Early initiation of antifungal treatment improves outcome but the recognition and diagnosis of systemic fungal infection in this population is difficult due to the non-specific clinical presentation and the high false negative rate of cultures. There is a need for a practical, sensitive and rapid diagnostic test to enhance identification and early treatment...
June 2017: Journal of Infection
https://www.readbyqxmd.com/read/28636889/complications-of-hematopoietic-stem-transplantation-fungal-infections
#20
REVIEW
Ali S Omrani, Reem S Almaghrabi
Patients undergoing allogeneic hematopoietic stem cell transplantation (HSCT) are at increased risk of invasive fungal infections, especially during the early neutropenic phase and severe graft-versus-host disease. Mold-active prophylaxis should be limited to the highest risk groups. Empiric antifungal therapy for HSCT with persistent febrile neutropenia is associated with unacceptable response rates, unnecessary antifungal therapy, increased risk of toxicity, and inflated costs. Empiric therapy should not be a substitute for detailed work up to identify the cause of fever in such patients...
June 13, 2017: Hematology/oncology and Stem Cell Therapy
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