{"title":"Anfotericina B liposomal en el tratamiento de la leishmaniasis visceral","authors":"Begoña Monge-Maillo, Rogelio López-Vélez","doi":"10.1016/j.riam.2021.04.002","DOIUrl":"10.1016/j.riam.2021.04.002","url":null,"abstract":"<div><p>A review on the current evidence of the efficacy and security of liposomal amphotericin<!--> <!-->B (L-AmB) for the treatment of visceral leishmaniasis (VL) has been performed. In the Indian subcontinent, a single dose of 10<!--> <!-->mg/kg has shown effectiveness in the treatment of VL due to <em>Leishmania donovani</em>. In contrast, higher doses of L-AmB (up to 30<!--> <!-->mg/kg) are required in Africa to treat a VL of the same etiology. When treating VL by <em>Leishmania infantum</em> acquired in the Americas and Europe the usual dose of L-AmB is 20-21<!--> <!-->mg/kg. In HIV co-infected patients the required doses are usually higher, up to 60<!--> <!-->mg/kg, and if it is administered in a prophylactic schedule after the treatment of VL relapses are reduced. L-AmB has shown synergism with other antiparasitic drugs, especially with paromomycin in the Indian subcontinent and with miltefosin in patients coinfected with HIV in East Africa. Due to its efficacy and safety profile, L-AmB is the first therapeutic option for VL.</p></div>","PeriodicalId":21291,"journal":{"name":"Revista Iberoamericana De Micologia","volume":"38 2","pages":"Pages 101-104"},"PeriodicalIF":1.9,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.riam.2021.04.002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39231717","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mucormicosis: perspectiva de manejo actual y de futuro","authors":"María Teresa Martín Gómez , Miguel Salavert Lletí","doi":"10.1016/j.riam.2021.04.003","DOIUrl":"https://doi.org/10.1016/j.riam.2021.04.003","url":null,"abstract":"<div><p>Infections caused by mucorales, with an increasing incidence after candidiasis and aspergillosis, are characterized by the fast angioinvasion of blood vessels and invasion of neighboring organs or structures. Mucorales most commonly cause rhinocerebral, pulmonary, cutaneous, digestive or disseminated infections, and their spread is favored by certain underlying diseases (diabetes, kidney failure) and risk factors (neutropenia, immunosuppression, iron overload). These infections have a high mortality rate, over 40% in many series, and the key to their cure depends on both an early diagnosis and an antifungal treatment, associated in most cases with extensive surgical debridement and other adjunctive therapies. Currently, there are international guidelines, not only local ones, for the management of mucormycosis, in which it is considered by consensus and with a strong recommendation that first-line treatment with high-dose liposomal amphotericin B is the best choice. The combined antifungal treatment of polyene agents with triazoles or candins remains in open debate.</p></div>","PeriodicalId":21291,"journal":{"name":"Revista Iberoamericana De Micologia","volume":"38 2","pages":"Pages 91-100"},"PeriodicalIF":1.9,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.riam.2021.04.003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91750161","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Anfotericina B liposomal: farmacología clínica, farmacocinética y farmacodinamia","authors":"José Ramón Azanza Perea","doi":"10.1016/j.riam.2021.02.004","DOIUrl":"10.1016/j.riam.2021.02.004","url":null,"abstract":"<div><p>Liposomal amphotericin B is a lipid formulation of the antifungal drug amphotericin B with some distinguishing characteristics in its pharmacological behavior that entail some clinical differences of great interest. The significant improvement in the systemic and renal tolerability is one of them. This fact is related to the great stability of the liposome, promoted by its negative charge, the presence of cholesterol and the remarkable thermo-stability of the remaining lipids that compose it. In this situation, amphotericin B seems to be released from the liposome not spontaneously but when the liposome binds to the ergosterol in the fungal cell membrane. For this reason, there is almost no free amphotericin B in plasma or tissues, although it seems that its availability is greater when there is fungal infection. As a consequence, when the pharmacokinetic behavior is studied, the concentration and availability of liposomal amphotericin B are very high, and its volume of distribution is reduced in comparison with the other formulations.</p></div>","PeriodicalId":21291,"journal":{"name":"Revista Iberoamericana De Micologia","volume":"38 2","pages":"Pages 52-55"},"PeriodicalIF":1.9,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.riam.2021.02.004","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38903274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Anfotericina B liposomal: treinta años de una herramienta muy eficaz para el tratamiento de las micosis invasoras","authors":"Javier Pemán , Guillermo Quindós","doi":"10.1016/j.riam.2021.04.007","DOIUrl":"https://doi.org/10.1016/j.riam.2021.04.007","url":null,"abstract":"","PeriodicalId":21291,"journal":{"name":"Revista Iberoamericana De Micologia","volume":"38 2","pages":"Pages 39-41"},"PeriodicalIF":1.9,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.riam.2021.04.007","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91750155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Relevancia de la anfotericina B liposomal en el tratamiento de las infecciones fúngicas invasoras en pacientes oncohematológicos","authors":"Carolina García-Vidal , Lourdes Vázquez , Isidro Jarque","doi":"10.1016/j.riam.2021.03.001","DOIUrl":"https://doi.org/10.1016/j.riam.2021.03.001","url":null,"abstract":"<div><p>Liposomal amphotericin B (L-AmB) has been a key cornerstone for the management of invasive fungal infections (IFI) caused by a wide array of molds and yeasts during the last three decades. Multiple studies performed over this period have generated a large body of evidence on its efficacy and safety, becoming the main antifungal agent in the management of IFI in patients with hematologic malignancies in several not mutually exclusive clinical settings. First, L-AmB is the most commonly used antifungal agent in patients undergoing intensive chemotherapy for acute leukemia and high-risk myelodysplastic syndrome, as well as in hematopoietic stem cell transplant recipients. Additionally, due to the administration of newer targeted therapies (such as monoclonal antibodies or small molecule inhibitors), opportunistic mold infections are increasingly being reported in patients with hematologic malignancies usually considered low-risk for IFI. These agents usually have a high drug-drug interaction potential, being triazoles, commonly used for antifungal prophylaxis, included. Finally, patients developing breakthrough IFI because of either subtherapeutic concentrations of antifungal prophylactic drugs in blood or selection of resistant strains, require broad spectrum antifungal therapy, usually with an antifungal of a different class. In both situations, L-AmB remains as the best option for early antifungal therapy.</p></div>","PeriodicalId":21291,"journal":{"name":"Revista Iberoamericana De Micologia","volume":"38 2","pages":"Pages 61-67"},"PeriodicalIF":1.9,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.riam.2021.03.001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91621749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"La infección fúngica en el paciente pediátrico inmunodeprimido","authors":"Marta González-Vicent , José Tomás Ramos-Amador","doi":"10.1016/j.riam.2021.04.005","DOIUrl":"https://doi.org/10.1016/j.riam.2021.04.005","url":null,"abstract":"<div><p>In recent years, immunodeficiency condition has experienced a rise among children, who are at risk of invasive fungal infections (IFI) due to their health condition. Cancer, non-malignant hematological diseases, as primary immunodeficiencies, hematopoietic stem cell transplantation (HSCT), extreme prematurity, or critically ill condition in Pediatric Intensive Care Unit (PICU) are some immunosuppressive situations in children. The use of oncologic therapies, including immunotherapy and monoclonal antibodies, for the treatment of the aforementioned health conditions has led to an increase in morbidity and mortality rates of IFI in children.</p><p>The underlying diseases and their management, comorbidities, the diagnostic tests used (both molecular and imaging), as well as the treatment used can be significantly different between adult patients and children admitted to PICU or with cancer. In pediatrics, the treatment of IFI is based primarily on pharmacokinetic studies performed in adults. In higher risk patients prophylaxis should be considered and, in the case of an IFI diagnosis, an antifungal treatment should be administered as early as possible, supported by the reversion of the immune dysfunction and surgery when appropriate.</p></div>","PeriodicalId":21291,"journal":{"name":"Revista Iberoamericana De Micologia","volume":"38 2","pages":"Pages 75-83"},"PeriodicalIF":1.9,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.riam.2021.04.005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91621747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Tratamiento antifúngico individualizado en el paciente crítico con infección fúngica invasora","authors":"Rafael Zaragoza , Emilio Maseda , Javier Pemán","doi":"10.1016/j.riam.2021.04.006","DOIUrl":"https://doi.org/10.1016/j.riam.2021.04.006","url":null,"abstract":"<div><p>Invasive candidiasis (IC) is the most common invasive fungal infection (IFI) affecting critically ill patients, followed by invasive pulmonary aspergillosis (IPA). International guidelines provide different recommendations for a first-line antifungal therapy and, in most of them, echinocandins are considered the first-line treatment for IC, and triazoles are so for the treatment of IPA. However, liposomal amphotericin<!--> <!-->B (L-AmB) is still considered a second-line therapy for both clinical entities. Although in the last decade the management of IFI has improved, several controversies persist. The antifungal drugs currently available may have a suboptimal activity, or be wrongly used in certain IFI involving critically ill patients. The aim of this review is to analyze when to provide individualized antifungal therapy to critically ill patients suffering from IFI, emphasizing the role of L-AmB. Drug-drug interactions, the clinical status, infectious foci (peritoneal candidiasis is discussed), the fungal species involved, and the need of monitoring the concentration of the antifungal drug in the patient are considered.</p></div>","PeriodicalId":21291,"journal":{"name":"Revista Iberoamericana De Micologia","volume":"38 2","pages":"Pages 68-74"},"PeriodicalIF":1.9,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.riam.2021.04.006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91621748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
José Tiago Silva , Isabel Ruiz-Camps , José María Aguado
{"title":"Evolución de la infección fúngica invasora en los últimos 30 años","authors":"José Tiago Silva , Isabel Ruiz-Camps , José María Aguado","doi":"10.1016/j.riam.2021.03.003","DOIUrl":"https://doi.org/10.1016/j.riam.2021.03.003","url":null,"abstract":"<div><p>Clinical mycology is in continuous development. The appearance of new clinical guidelines has made it possible to improve the approach to opportunistic fungal infections, especially in immunosuppressed patients (oncohematological and/or transplant recipients). At the same time, the development of new diagnostic tools and new antifungals with a greater spectrum of action and fewer side effects have led to faster diagnoses and treatments that are more effective. Along with these advances, there has been a change in the epidemiology of invasive fungal infection (IFI), with the appearance of new patients (e.g., COPD, liver cirrhosis, post-influenza) and new microorganisms (<em>Candida auris</em>, <em>Lomentospora prolificans</em>, mucorales), and resistant fungi (isolates of <em>Aspergillus</em> resistant to azoles) which the clinician must take into account when choosing the treatment of a patient with an IFI. In this paper we will briefly review the advances in recent decades and the emerging problems.</p></div>","PeriodicalId":21291,"journal":{"name":"Revista Iberoamericana De Micologia","volume":"38 2","pages":"Pages 47-51"},"PeriodicalIF":1.9,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.riam.2021.03.003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91621751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Antifúngicos de uso sistémico","authors":"Inmaculada Quiles-Melero, Julio García-Rodríguez","doi":"10.1016/j.riam.2021.04.004","DOIUrl":"10.1016/j.riam.2021.04.004","url":null,"abstract":"<div><p>Las infecciones fúngicas invasivas han aumentado en las últimas décadas y las opciones terapéuticas para combatirlas son limitadas. Los agentes antifúngicos empleados son útiles y tienen óptima actividad <em>in vitro</em>, pero pierden eficacia debido al desarrollo de resistencias por parte de los hongos. El incremento de especies con resistencia primaria o secundaria a algunos fármacos antifúngicos ha generado la necesidad de desarrollar nuevas formulaciones o recurrir a alternativas como la combinación de fármacos. En este artículo se revisará el espectro de actividad de las principales familias de antifúngicos, polienos, azoles, equinocandinas, 5-fluorocitosina y nuevos fármacos antifúngicos, así como los mecanismos de resistencia descritos contra los mismos.</p></div><div><p>Invasive fungal infections have increased over the last decades and the therapeutic choices to treat them are limited. The antifungal agents currently available are useful and have optimal in vitro activity; however, their activity can be lowered due to the development of fungal resistance. The increase in primary or secondary resistance to some antifungal drugs has led to the search of alternatives such as the combination of drugs or the development of new antifungals. In this paper, the activity of the main families of antifungal drugs, polyenes, azoles, echinocandins, 5-fluorocytosine and other new antifungal drugs, are reviewed. The main resistance mechanisms developed by fungi are also described.</p></div>","PeriodicalId":21291,"journal":{"name":"Revista Iberoamericana De Micologia","volume":"38 2","pages":"Pages 42-46"},"PeriodicalIF":1.9,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.riam.2021.04.004","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39209636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Seguridad clínica de la anfotericina B liposomal","authors":"Borja Suberviola","doi":"10.1016/j.riam.2021.02.001","DOIUrl":"https://doi.org/10.1016/j.riam.2021.02.001","url":null,"abstract":"<div><p>This article reviews the safety profile of liposomal amphotericin B, emphasizing the renal toxicity; the risk factors for its presentation, incidence, severity, and potential reversibility are expounded.</p></div>","PeriodicalId":21291,"journal":{"name":"Revista Iberoamericana De Micologia","volume":"38 2","pages":"Pages 56-60"},"PeriodicalIF":1.9,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.riam.2021.02.001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91621752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}