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Shafiee F, Soltani R, Meidani M. Invasive fungal infections in hematologic malignancies: Incidence, management, and antifungal therapy. JOURNAL OF RESEARCH IN MEDICAL SCIENCES : THE OFFICIAL JOURNAL OF ISFAHAN UNIVERSITY OF MEDICAL SCIENCES 2023; 28:73. [PMID: 38116484 PMCID: PMC10729687 DOI: 10.4103/jrms.jrms_1072_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 06/25/2023] [Accepted: 07/17/2023] [Indexed: 12/21/2023]
Abstract
The incidence of invasive fungal infections (IFIs) has increased in recent years as a result of increasing the incidence of hematologic malignancies (HMs). IFIs, as the opportunistic diseases, are the most important concern in these patients with a high mortality rate. These infections are one of the leading causes of morbidity and mortality in HM patients and an important factor in increasing the costs of patients' management because of the prolonged hospitalization and the inevitable need to use antifungal agents. Due to the changes in the pattern of organisms causing IFIs, unavailability of effective and safe antifungal drugs, and high rate of drug resistance as well as lack of fast and accurate diagnostic methods, these infections have become a serious and life-threatening problem necessitating effective prevention and treatment strategies using suitable antifungal agents, especially in high-risk patients. The aim of the present study was to review the pathogens causing various types of IFIs, diagnostic methods, and novel prophylactic and therapeutic antifungal regimens in HM patients according to the new published studies and clinical trials.
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Affiliation(s)
- Fatemeh Shafiee
- Department of Pharmaceutical Biotechnology, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Rasool Soltani
- Department of Clinical Pharmacy and Pharmacy Practice, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
- Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohsen Meidani
- Department of Infectious Diseases, Imam Khomeini Hospital, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran
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Weeraphon B, Nakaranurack C, Jutivorakool K, Puttilerpong C. Epidemiology and Factors Associated with Treatment Success of Invasive Fungal Infections Among Newly Hematologic Malignancy Patients Receiving Chemotherapy or Hematopoietic Stem Cell Transplant in Thailand. Infect Drug Resist 2023; 16:2029-2042. [PMID: 37041985 PMCID: PMC10083034 DOI: 10.2147/idr.s405810] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 03/28/2023] [Indexed: 04/09/2023] Open
Abstract
Purpose Invasive fungal infection (IFI) causes disability/death in patients with hematologic malignancy (HM) receiving chemotherapy or hematopoietic stem cell transplant (HSCT). There is limited epidemiological data, treatment outcomes, and factors associated with IFI treatment success in Thailand. This study aimed to identify factors associated with IFI treatment success among new HM patients receiving chemotherapy or HSCT, determine IFI incidence among HM patients receiving chemotherapy or HSCT, and the IFI incidence of a breakthrough in patients receiving primary antifungal prophylaxis, and identify antifungal drugs susceptibility. Patients and Methods This study reviewed the charts of patients aged ≥ 15 years with newly HM who received chemotherapy or HSCT between January 2016 and June 2021 at King Chulalongkorn Memorial Hospital, Bangkok, Thailand. The 2020 EORTC/MSG criteria were used to diagnose IFI. IFI treatment success factors were evaluated using logistic regression. Results Ninety-two patients with 107 episodes of IFI met the inclusion criteria. IFI incidence on proven and probable cases among newly HM patients receiving chemotherapy or HSCT was 7%. Most infections (38.3%) occurred during the induction-phase chemotherapy. Aspergillosis (35.5%) was the commonest IFI, followed by candidiasis (11.2%), Pneumocystis jirovecii pneumonia (8.4%), mucormycosis (3.7%), and others, respectively. The 12-week IFI treatment success rate was 67.3%. It was associated with age < 60 years, absence of coinfection, and the receipt of appropriate empirical therapy on the first day of IFI diagnosis. The incidence of breakthrough IFI from proven and probable cases in patients receiving primary antifungal prophylaxis was 6.1%. Most fungal pathogen isolates were still highly susceptible to antifungal drugs. Conclusion The IFI treatment success in patients with HM or HSCT in our study was high. Close monitoring of coinfected patients aged ≥ 60 is recommended. Appropriate antifungal drugs are essential for clinical outcomes.
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Affiliation(s)
- Benjabhorn Weeraphon
- College of Pharmacotherapy of Thailand, Nonthaburi, Thailand
- Department of Pharmacy Practice and Pharmaceutical Care, Faculty of Pharmaceutical Science, Burapha University, Chonburi, Thailand
| | - Chotirat Nakaranurack
- Department of Pharmacy Practice, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Kamonwan Jutivorakool
- Division of Infectious Diseases, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Bangkok, Thailand
| | - Chankit Puttilerpong
- Department of Pharmacy Practice, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Bioactive Resources for Innovative Clinical Applications, Chulalongkorn University, Bangkok, Thailand
- Correspondence: Chankit Puttilerpong, Department of Pharmacy Practice, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand, Email
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Kottarathil M, Thayanidhi P, P S, Jyoti Kindo A. Rise of mucormycosis during the COVID-19 pandemic and the challenges faced. Curr Med Mycol 2023; 9:44-55. [PMID: 37867589 PMCID: PMC10590187 DOI: 10.18502/cmm.2023.345032.1400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 07/14/2023] [Accepted: 07/15/2023] [Indexed: 10/24/2023] Open
Abstract
Mucormycosis (previously called zygomycosis) is a diverse group of increasingly recognized and frequently fatal mycotic diseases caused by members of the class zygomycetes. Mucormycosis is around 80 times more common in India, compared to other developed countries, with a frequency of 0.14 cases per 1,000 population. The most frequent causative agent of mucormycosis is the following genera from the Order Mucorales Rhizopus, Mucor, Rhizomucor, Absidia, Apophysomyces, Cunninghamella, and Saksenaea. The major risk factors for the development of mucormycosis are diabetic ketoacidosis, deferoxamine treatment, cancer, solid organ or bone marrow transplantations, prolonged steroid use, extreme malnutrition, and neutropenia. The common clinical forms of mucormycosis are rhino-orbital-cerebral, pulmonary, cutaneous, and gastrointestinal. During the second wave of COVID-19, there was a rapid increase in mucormycosis with more severity than before. Amphotericin B is currently found to be an effective drug as it is found to have a broad-spectrum activity and posaconazole is used as a salvage therapy. Newer triazole isavuconazole is also found effective against mucormycosis. This study aimed to review various studies on the laboratory diagnosis and treatment of mucormycosis.
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Affiliation(s)
- Malavika Kottarathil
- Department of Microbiology, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
| | - Premamalini Thayanidhi
- Department of Microbiology, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
| | - Sathyamurthy P
- Department of General Medicine, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
| | - Anupma Jyoti Kindo
- Department of Microbiology, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
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Karaman S, Kebudi R, Kizilocak H, Karakas Z, Demirag B, Evim MS, Yarali N, Kaya Z, Karagun BS, Aydogdu S, Caliskan U, Ayhan AC, Bahadir A, Cakir B, Guner BT, Albayrak C, Karapinar DY, Kazanci EG, Unal E, Turkkan E, Akici F, Bor O, Vural S, Yilmaz S, Apak H, Baytan B, Tahta NM, Güzelkucuk Z, Kocak U, Antmen B, Tokgöz H, Fisgin T, Özdemir N, Gunes AM, Vergin C, Unuvar A, Ozbek N, Tugcu D, Bay SB, Tanyildiz HG, Celkan T. Central Nervous System Fungal Infections in Children With Leukemia and Undergoing Hematopoietic Stem Cell Transplantation: A Retrospective Multicenter Study. J Pediatr Hematol Oncol 2022; 44:e1039-e1045. [PMID: 36036521 DOI: 10.1097/mph.0000000000002499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Accepted: 05/04/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND Central nervous system fungal infections (CNSFI) are seen in patients with hematologic malignancies and have high morbidity and mortality. Because of their rarity, there is limited data on CNSFI in children with no established treatment protocols or guidelines. MATERIALS AND METHODS In this multicenter retrospective study, 51 pediatric patients with leukemia, 6 of whom had undergone bone marrow transplantation, with proven or probable CNSFI were evaluated. Fungal infections were defined as proven or probable based on European Organisation for Research and Treatment of Cancer criteria. Proven CNSFI was diagnosed by appropriate central nervous system (CNS) imaging or tissue sample findings in combination with positive microbiological results of cerebrospinal fluid. A positive culture, microscopic evidence of hyphae, a positive result of the galactomannan assays are defined as positive microbiological evidence. Probable CNSFI was defined as appropriate CNS imaging findings together with proven or probable invasive fungal infections at another focus without CNS when there is no other explanatory condition. Data was collected by using the questionnaire form (Supplemental Digital Content 1, http://links.lww.com/JPHO/A541 ). RESULTS Seventeen patients had proven, 34 patients had probable CNSFI. Headaches and seizures were the most common clinical findings. The median time between the onset of fever and diagnosis was 5 days. The most common fungal agent identified was Aspergillus . Sixteen patients received single-agent, 35 received combination antifungal therapy. Surgery was performed in 23 patients. Twenty-two patients (43%) died, 29 of the CNSFI episodes recovered with a 20% neurological sequelae. CONCLUSION CNSFIs should be considered in the differential diagnosis in patients with leukemia and refractory/recurrent fever, headache, neurologicalocular symptoms, and a radiologic-serological evaluation should be performed immediately. Early diagnosis and prompt management, both medical and surgical, are essential for improving clinical outcomes.
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Affiliation(s)
- Serap Karaman
- Division of Pediatric Hematology-Oncology, Istanbul Faculty of Medicine, Istanbul University
| | - Rejin Kebudi
- Division of Pediatric Hematology-Oncology, Istanbul University Oncology Institute
| | - Hande Kizilocak
- Division of Pediatric Hematology-Oncology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa
| | - Zeynep Karakas
- Division of Pediatric Hematology-Oncology, Istanbul Faculty of Medicine, Istanbul University
| | - Bengu Demirag
- Division of Pediatric Hematology-Oncology, University of Health Sciences Dr. Behcet Uz Children's Hospital
| | - Melike S Evim
- Division of Pediatric Hematology-Oncology, Faculty of Medicine, Uludağ University
| | - Nese Yarali
- Division of Pediatric Hematology-Oncology, University of Health Sciences, Ankara Child Health and Diseases Hematology Oncology Training and Research Hospital
| | - Zuhre Kaya
- Division of Pediatric Hematology-Oncology, Faculty of Medicine, Gazi University, Ankara
| | - Barbaros S Karagun
- Division of Pediatric Hematology-Oncology, Acibadem Adana Hospital, Adana
| | - Selime Aydogdu
- Division of Pediatric Hematology-Oncology, Altinbas University Bahcelievler Medical Park Hospital
| | - Umran Caliskan
- Division of Pediatric Hematology-Oncology, Meram University Faculty of Medicine, Konya
| | - Aylin C Ayhan
- Division of Pediatric Hematology-Oncology, Medeniyet University, Faculty of Medicine
| | - Aysenur Bahadir
- Division of Pediatric Hematology-Oncology, Karadeniz Technical University, Faculty of Medicine, Trabzon
| | - Betul Cakir
- Division of Pediatric Hematology-Oncology, Bezmiâlem Vakif University
| | - Burcak T Guner
- Division of Pediatric Hematology-Oncology, Izmir University of Health Sciences Tepecik Training and Research Hospital
| | - Canan Albayrak
- Division of Pediatric Hematology-Oncology, Ondokuz Mayis University, Faculty of Medicine, Samsun
| | - Deniz Y Karapinar
- Division of Pediatric Hematology-Oncology, Faculty of Medicine, Ege University
| | - Elif G Kazanci
- Division of Pediatric Hematology-Oncology, Health Sciences University Bursa High Specialist Training and Research Hospital, Bursa
| | - Ekrem Unal
- Division of Pediatric Hematology-Oncology, Erciyes University Faculty of Medicine, Kayseri
| | - Emine Turkkan
- Division of Pediatric Hematology-Oncology, University of Health Sciences, Okmeydani Training and Research Hospital
| | - Ferhan Akici
- Division of Pediatric Hematology-Oncology, University of Health Science Kanuni Sultan Süleyman Research and Training Hospital
| | - Ozcan Bor
- Division of Pediatric Hematology-Oncology, Faculty of Medicine, Eskişehir Osmangazi University, Eskişehir, Turkey
| | - Sema Vural
- Division of Pediatric Hematology-Oncology, Health Sciences University Istanbul Sariyer Hamidiye Etfal Health Practice and Research Center, Istanbul
| | - Sebnem Yilmaz
- Division of Pediatric Hematology-Oncology, Dokuz Eylul University Faculty of Medicine, Izmir
| | - Hilmi Apak
- Division of Pediatric Hematology-Oncology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa
| | - Birol Baytan
- Division of Pediatric Hematology-Oncology, Faculty of Medicine, Uludağ University
| | - Neryal M Tahta
- Division of Pediatric Hematology-Oncology, University of Health Sciences Dr. Behcet Uz Children's Hospital
| | - Zeliha Güzelkucuk
- Division of Pediatric Hematology-Oncology, University of Health Sciences, Ankara Child Health and Diseases Hematology Oncology Training and Research Hospital
| | - Ulker Kocak
- Division of Pediatric Hematology-Oncology, Faculty of Medicine, Gazi University, Ankara
| | - Bulent Antmen
- Division of Pediatric Hematology-Oncology, Acibadem Adana Hospital, Adana
| | - Huseyin Tokgöz
- Division of Pediatric Hematology-Oncology, Meram University Faculty of Medicine, Konya
| | - Tunc Fisgin
- Division of Pediatric Hematology-Oncology, Altinbas University Bahcelievler Medical Park Hospital
| | - Nihal Özdemir
- Division of Pediatric Hematology-Oncology, University of Health Science Kanuni Sultan Süleyman Research and Training Hospital
| | - Adalet M Gunes
- Division of Pediatric Hematology-Oncology, Faculty of Medicine, Uludağ University
| | - Canan Vergin
- Division of Pediatric Hematology-Oncology, University of Health Sciences Dr. Behcet Uz Children's Hospital
| | - Aysegul Unuvar
- Division of Pediatric Hematology-Oncology, Istanbul Faculty of Medicine, Istanbul University
| | - Namik Ozbek
- Division of Pediatric Hematology-Oncology, University of Health Sciences, Ankara Child Health and Diseases Hematology Oncology Training and Research Hospital
| | - Deniz Tugcu
- Division of Pediatric Hematology-Oncology, Istanbul Faculty of Medicine, Istanbul University
| | - Sema B Bay
- Division of Pediatric Hematology-Oncology, Istanbul University Oncology Institute
| | - Hikmet G Tanyildiz
- Division of Pediatric Hematology-Oncology, Istanbul Faculty of Medicine, Istanbul University
| | - Tiraje Celkan
- Division of Pediatric Hematology-Oncology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa
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Dong N, Jordan AE, Shen X, Wu X, Guo X, Zhao H, Wang Y, Wang D, Fang Q. Rhino-Orbital Cerebral Mucormycosis in a Patient With Diabetic Ketoacidosis: A Case Report and Literature Review. Front Neurol 2022; 13:815902. [PMID: 35599740 PMCID: PMC9114505 DOI: 10.3389/fneur.2022.815902] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 03/21/2022] [Indexed: 12/14/2022] Open
Abstract
Background Rhino-orbital cerebral mucormycosis (ROCM) is a rare, invasive, and fatal fungal disease. Due to the lack of specific clinical manifestations and adequate auxiliary examinations, patients are easily misdiagnosed in the early stage. Early diagnosis and timely therapy are essential for successful treatment. Case Report We report a 68-year-old man with diabetic ketoacidosis, presented with orbital apex syndrome (OAS), fever, and pansinusitis, which progressively worsened to death only 4 days after admission. It was finally confirmed as a fungal Rhizopus arrhizus infection by metagenomics cell-free DNA next-generation sequencing (mNGS) testing. Conclusion Orbital apex syndrome could be the initial presentation for mucormycosis. Thus, it is necessary to evaluate the presence of mucormycosis in patients with OAS, especially in diabetic or immunosuppressed hosts, and mNGS testing and timely antifungal therapy should be strongly recommended in highly suspected cases.
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Affiliation(s)
- Nan Dong
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Department of Neurology, Suzhou Industrial Park Xinghai Hospital, Suzhou, China
| | - Ashly E. Jordan
- Independent Research Epidemiologist, New York, NY, United States
| | - Xiaozhu Shen
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xuan Wu
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xianghong Guo
- Department of Neurology, Suzhou Industrial Park Xinghai Hospital, Suzhou, China
| | - Hongru Zhao
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yajuan Wang
- Genoxor Medical Science and Technology Inc., Shanghai, China
| | - Dapeng Wang
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Dapeng Wang
| | - Qi Fang
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou, China
- *Correspondence: Qi Fang
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Michallet M, Sobh M, Morisset S, Deloire A, Raffoux E, de Botton S, Caillot D, Chantepie S, Girault S, Berthon C, Bertoli S, Lepretre S, Leguay T, Castaigne S, Marolleau JP, Pautas C, Malfuson JV, Veyn N, Braun T, Gastaud L, Suarez F, Schmidt A, Gressin R, Bonmati C, Celli-Lebras K, El-Hamri M, Ribaud P, Dombret H, Thomas X, Bergeron A. Antifungal Prophylaxis in AML Patients Receiving Intensive Induction Chemotherapy: A Prospective Observational Study From the Acute Leukaemia French Association (ALFA) Group. CLINICAL LYMPHOMA, MYELOMA & LEUKEMIA 2022; 22:311-318. [PMID: 34895843 DOI: 10.1016/j.clml.2021.10.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/19/2021] [Accepted: 10/20/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND Although recommended in patients with acute myeloblastic leukaemia (AML) after induction chemotherapy, real-life use of antifungal prophylaxis (AFP) is different among centres. MATERIALS AND METHODS This is an ancillary study to a randomized trial on intensive induction chemotherapy in AML patients (ALFA-0702/NCT00932412), where AFP with posaconazole was recommended. IFIs were graded by investigators and by central reviewers according to the revised EORTC definitions. Experts conclusions were compared to the investigators' ones. RESULTS A total of 677 patients were included. Four AFP strategies were reported: Group-1: no AFP (n = 203, 30%), Group-2: posaconazole (n = 241, 36%), Group-3: posaconazole with other AFP (n = 142, 21%), Group-4: other AFP (n = 91, 13%). Experts graded more IFI than investigators: proven/probable IFI, 9.0% (n = 61) versus 6.2% (n = 42). The cumulative incidence at day60 of probable/proven IFI was 13.9% (Group-1); 7.9% (Group-2); 5.6% (Group-3); and 6.6% (Group-4). IFI onset was 26 (19-31) days after induction in Groups 2-3, versus 16 (9-25) days in Group 1 and 20 (12-24) days in Group 4 (P< .001). After a median follow-up of 27.5 months (0.4-73.4), the mortality rate was 38.3%, with 5.4% attributed to IFI. In multivariate analysis, IFI occurrence was an independent risk of death (HR5.63, 95%-CI 2.62-12.08, P< .001). EORTC recommendations were applied in only 57% of patients. In patients without IFI, the rate of AML complete remission was higher. CONCLUSIONS In AML patients, AFP delayed the onset of IFI in addition of decreasing their rate. The frequent misidentification of IFI impacts their appropriate management according to recommendations. hematological remission was more frequent in patients without IFI.
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Affiliation(s)
| | - Mohamad Sobh
- Hematology department, Anticancer Centre Léon Bérard, Lyon, France
| | | | | | | | | | - Denis Caillot
- Hématologie Clinique, Dijon University Hospital, Dijon, France
| | | | | | | | - Sarah Bertoli
- Service d'hématologie, Institut Universitaire du Cancer de Toulouse - Oncopole, CHU de Toulouse, Toulouse, France
| | - Stephane Lepretre
- Inserm U1245 and Department of Hematology, Centre Henri Becquerel and Normandie Univ UNIROUEN, Rouen, France
| | | | | | | | | | | | - Norbert Veyn
- Hematology, Institut Paoli-Calmettes, Marseille, France
| | | | | | - Felipe Suarez
- Hôpital Universitaire Necker-Enfants Malades, Paris, France
| | | | | | | | | | - Mohamed El-Hamri
- Haematology Department 1G, Centre Hospitalier Lyon Sud, Pierre Bénite, France
| | | | - Herve Dombret
- Hematology Department, Saint Louis Hospital, Paris, France
| | - Xavier Thomas
- Haematology Department 1G, Centre Hospitalier Lyon Sud, Pierre Bénite, France
| | - Anne Bergeron
- Pneumology department, Saint Louis Hospital, AP-HP, Paris, France
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Antifungal Strategy in Patients with Invasive Fungal Disease Associated with Hematological Malignancies Based on Risk Stratification. THE CANADIAN JOURNAL OF INFECTIOUS DISEASES & MEDICAL MICROBIOLOGY = JOURNAL CANADIEN DES MALADIES INFECTIEUSES ET DE LA MICROBIOLOGIE MEDICALE 2022; 2022:1743596. [PMID: 35432663 PMCID: PMC9010196 DOI: 10.1155/2022/1743596] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 03/05/2022] [Accepted: 03/22/2022] [Indexed: 01/11/2023]
Abstract
Patients with hematological malignancies (HM) often develop the invasive fungal disease (IFD), causing important morbidity/mortality. While treatment guidelines are available, risk stratification models for optimizing antifungal therapy strategies are few. Clinical records from 458 HM patients with IFD were retrospectively analyzed. Following Chinese treatment guidelines, patients received empirical (n = 239) or diagnostic-driven therapy (n = 219). The effectiveness rate was 87.9% for the empirical and 81.7% for the diagnostic-driven therapy groups (P ≥ 0.05). The incidence of adverse reactions was 18.4% and 16.9%, respectively (P ≥ 0.05). All risk factors of IFD in HM patients were estimated in the univariate analyses and multivariate analyses by the chi-square test and logistic regression model. Duration ≥14 days (OR = 18.340, P=0.011), relapsed/refractory disease (OR = 11.670, P=0.005), IFD history (OR = 5.270, P=0.021), and diabetes (OR = 3.120, P=0.035) were significantly associated with IFD in the multivariate analysis. Patients with more than 3 of these factors have a significant difference in effective rates between the empirical (85.7%) and diagnostic-driven (41.6%) therapy (P=0.008). Empirical and diagnostic-driven therapy effective rates were 80.6% and 70.9% in the patients with two risk factors (P > 0.05) and 85.1% and 85.4% in the patients with one risk factor (P > 0.05). Thus, there was no significant difference in effectiveness in patients with one or two risk factors. The abovementioned risk stratification can guide clinical antifungal therapy. The patients with 3 or more risk factors benefit from empirical therapy.
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Klimko NN, Kozlova OP. Invasive candidiasis in children. JOURNAL INFECTOLOGY 2021. [DOI: 10.22625/2072-6732-2021-13-2-14-26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The prevalence of invasive candidiasis (IC) in pediatric hospitals is from 4,3 to 15,2 per 10,000 hospitalized, in ICU – from 3,5 to 7 cases per 1,000, with HSCT – 2,9%. The average length of stay of a patient in the hospital before the development of IC varies from 21 to 56 days, in the ICU – more than 15 days. Knowledge of risk factors (ICU stay for ≥15 days, use of antibacterial drugs and parenteral nutrition, active malignant neoplasm, etc.) makes it possible to identify patients with a high (10-46%) risk of developing IC. Candida albicans remains the leading causative agent of IC in children, but infections with non-albicans Candida spp. have increased and an increase in the resistance of IC pathogens to azole antimycotics was noted. The main clinical variant of IC in children is candidemia, other forms include the central nervous system, abdominal organs, eyes, heart, bones and joints, kidneys, skin and subcutaneous tissue involvement, as well as chronic disseminated (hepatolienal) candidiasis. Blood culture, the main method of laboratory diagnostics of IC, is characterized by low sensitivity and requires a long time. Methods of noncultural diagnostics of IC (1,3-β-D-glucan, mannan and antimannan antibodies, T2 Candida etc) in children have not been sufficiently studied. The main drugs for the treatment of IC in children are echinocandins (anidulafungin, etc.), and CVC removal/replacement is necessary. The overall mortality rate in pediatric patients within 30 days after the diagnosis of IC is 37% to 44%.
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Affiliation(s)
- N. N. Klimko
- North-West State Medical University named after I.I. Mechnikov
| | - O. P. Kozlova
- North-West State Medical University named after I.I. Mechnikov
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Wang R, Tao W, Liu L, Li C, Bai L, Zhao YL, Shi T. Insights into specificity and catalytic mechanism of amphotericin B/nystatin thioesterase. Proteins 2021; 89:558-568. [PMID: 33389775 DOI: 10.1002/prot.26041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 11/22/2020] [Accepted: 12/27/2020] [Indexed: 11/12/2022]
Abstract
Polyene polyketides amphotericin B (AMB) and nystatin (NYS) are important antifungal drugs. Thioesterases (TEs), located at the last module of PKS, control the release of polyketides by cyclization or hydrolysis. Intrigued by the tiny structural difference between AMB and NYS, as well as the high sequence identity between AMB TE and NYS TE, we constructed four systems to study the structural characteristics, catalytic mechanism, and product release of AMB TE and NYS TE with combined MD simulations and quantum mechanics/molecular mechanics calculations. The results indicated that compared with AMB TE, NYS TE shows higher specificity on its natural substrate and R26 as well as D186 were proposed to a key role in substrate recognition. The energy barrier of macrocyclization in AMB-TE-Amb and AMB-TE-Nys systems were calculated to be 14.0 and 22.7 kcal/mol, while in NYS-TE-Nys and NYS-TE-Amb systems, their energy barriers were 17.5 and 25.7 kcal/mol, suggesting the cyclization with their natural substrates were more favorable than that with exchanged substrates. At last, the binding free energy obtained with the MM-PBSA.py program suggested that it was easier for natural products to leave TE enzymes after cyclization. And key residues to the departure of polyketide product from the active site were highlighted. We provided a catalytic overview of AMB TE and NYS TE including substrate recognition, catalytic mechanism and product release. These will improve the comprehension of polyene polyketide TEs and benefit for broadening the substrate flexibility of polyketide TEs.
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Affiliation(s)
- Rufan Wang
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic and Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Wentao Tao
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic and Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Lei Liu
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic and Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Chen Li
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic and Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Linquan Bai
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic and Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Yi-Lei Zhao
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic and Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Ting Shi
- State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic and Developmental Sciences, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
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10
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Silveira DRA, Coelho-Silva JL, Silva WF, Vallance G, Pereira-Martins DA, Madeira MIA, Figueredo-Pontes LL, Velloso EDRP, Simões BP, Peniket A, Danby R, Rego EM, Vyas P, Traina F, Bendit I, Quek L, Rocha V. A multicenter comparative acute myeloid leukemia study: can we explain the differences in the outcomes in resource-constrained settings? Leuk Lymphoma 2020; 62:147-157. [DOI: 10.1080/10428194.2020.1827252] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Douglas R. A. Silveira
- Service of Hematology, Transfusion and Cell Therapy and Laboratory of Medical Investigation in Pathogenesis and Directed Therapy in Onco-Immuno-Hematology (LIM-31) HCFMUSP, University of Sao Paulo Medical School, Sao Paulo, Brazil
- Department of Hematology, AC Camargo Cancer Center, Sao Paulo, Brazil
| | - Juan L. Coelho-Silva
- Department of Medical Images, Hematology and Clinical Oncology, University of Sao Paulo at Ribeirao Preto Medical School (FMRP), Ribeirao Preto, Brazil
| | - Wellington F. Silva
- Leukemia Unit, Cancer Institute of Sao Paulo (ICESP), University of Sao Paulo Medical School, Sao Paulo, Brazil
| | - Grant Vallance
- Department of Haematology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Diego A. Pereira-Martins
- Department of Medical Images, Hematology and Clinical Oncology, University of Sao Paulo at Ribeirao Preto Medical School (FMRP), Ribeirao Preto, Brazil
| | - Maria I. A. Madeira
- Department of Medical Images, Hematology and Clinical Oncology, University of Sao Paulo at Ribeirao Preto Medical School (FMRP), Ribeirao Preto, Brazil
| | - Lorena L. Figueredo-Pontes
- Department of Medical Images, Hematology and Clinical Oncology, University of Sao Paulo at Ribeirao Preto Medical School (FMRP), Ribeirao Preto, Brazil
| | - Elvira D. R. P. Velloso
- Service of Hematology, Transfusion and Cell Therapy and Laboratory of Medical Investigation in Pathogenesis and Directed Therapy in Onco-Immuno-Hematology (LIM-31) HCFMUSP, University of Sao Paulo Medical School, Sao Paulo, Brazil
- Leukemia Unit, Cancer Institute of Sao Paulo (ICESP), University of Sao Paulo Medical School, Sao Paulo, Brazil
| | - Belinda P. Simões
- Department of Medical Images, Hematology and Clinical Oncology, University of Sao Paulo at Ribeirao Preto Medical School (FMRP), Ribeirao Preto, Brazil
| | - Andy Peniket
- Department of Haematology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Robert Danby
- Department of Haematology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Eduardo M. Rego
- Service of Hematology, Transfusion and Cell Therapy and Laboratory of Medical Investigation in Pathogenesis and Directed Therapy in Onco-Immuno-Hematology (LIM-31) HCFMUSP, University of Sao Paulo Medical School, Sao Paulo, Brazil
- Leukemia Unit, Cancer Institute of Sao Paulo (ICESP), University of Sao Paulo Medical School, Sao Paulo, Brazil
| | - Paresh Vyas
- Department of Haematology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
- MRC MHU, BRC Haematology Theme, Oxford Biomedical Research Center, Oxford Center for Hematology, WIMM, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
- National Institute of Health Research Oxford, Biomedical Research Centre, Oxford, UK
| | - Fabiola Traina
- Department of Medical Images, Hematology and Clinical Oncology, University of Sao Paulo at Ribeirao Preto Medical School (FMRP), Ribeirao Preto, Brazil
| | - Israel Bendit
- Service of Hematology, Transfusion and Cell Therapy and Laboratory of Medical Investigation in Pathogenesis and Directed Therapy in Onco-Immuno-Hematology (LIM-31) HCFMUSP, University of Sao Paulo Medical School, Sao Paulo, Brazil
| | - Lynn Quek
- Department of Haematological Medicine, King's College Hospital NHS Foundation Trust, London, UK
| | - Vanderson Rocha
- Service of Hematology, Transfusion and Cell Therapy and Laboratory of Medical Investigation in Pathogenesis and Directed Therapy in Onco-Immuno-Hematology (LIM-31) HCFMUSP, University of Sao Paulo Medical School, Sao Paulo, Brazil
- Leukemia Unit, Cancer Institute of Sao Paulo (ICESP), University of Sao Paulo Medical School, Sao Paulo, Brazil
- Department of Haematology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
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11
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Kaindl T, Andes D, Engelhardt M, Saulay M, Larger P, Groll AH. Variability and exposure-response relationships of isavuconazole plasma concentrations in the Phase 3 SECURE trial of patients with invasive mould diseases. J Antimicrob Chemother 2020; 74:761-767. [PMID: 30476108 PMCID: PMC6376854 DOI: 10.1093/jac/dky463] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 10/10/2018] [Accepted: 10/12/2018] [Indexed: 12/02/2022] Open
Abstract
Objectives This analysis evaluated the variability of isavuconazole plasma concentrations between subjects and between sampling times, and assessed their relationship to outcomes for subjects with invasive fungal disease (IFD) in the SECURE trial. Methods Isavuconazole-treated subjects received 372 mg of isavuconazonium sulphate (corresponding to 200 mg of isavuconazole) three times daily for 2 days, then once daily. Plasma samples were collected after day 4 and analysis sets were constructed as follows: analysis set 1 included all samples from subjects with proven/probable/possible IFD who received ≥1 dose of isavuconazole; analysis set 2 included samples from subjects in analysis set 1 who had provided >1 sample; and analysis set 3 included samples from subjects in analysis set 1 with proven/probable invasive aspergillosis. Assessments included overall distributions of plasma concentrations and variability between samples (analysis sets 1 and 2) as well as relationships to outcomes [all-cause mortality (day 42), overall response (end of treatment) and treatment-emergent adverse events; analysis sets 1 and 3]. Results Analysis sets 1, 2 and 3 included samples from 160, 97 and 98 subjects, respectively. Trough concentrations for each were distributed similarly [mean (SD): 3406.6 (1511.5), 3495.6 (1503.3) and 3368.1 (1523.2) ng/mL, respectively]. The mean coefficient of variation between samples in analysis set 2 was 23.2%; differences between concentrations in first samples and subsequent samples were <2-fold for 85/97 subjects. In quartiles of subject data, no concentration-dependent relationships were observed for efficacy or safety. Conclusions Plasma concentrations of isavuconazole were reasonably consistent between subjects and sampling times, and were not associated with differences in outcomes.
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Affiliation(s)
- Thomas Kaindl
- Basilea Pharmaceutica International Ltd, Basel, Switzerland
| | - David Andes
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | | | | | - Patrice Larger
- Basilea Pharmaceutica International Ltd, Basel, Switzerland
| | - Andreas H Groll
- Department of Paediatric Haematology/Oncology, University Children's Hospital Münster, Münster, Germany
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12
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Ruhnke M, Cornely OA, Schmidt-Hieber M, Alakel N, Boell B, Buchheidt D, Christopeit M, Hasenkamp J, Heinz WJ, Hentrich M, Karthaus M, Koldehoff M, Maschmeyer G, Panse J, Penack O, Schleicher J, Teschner D, Ullmann AJ, Vehreschild M, von Lilienfeld-Toal M, Weissinger F, Schwartz S. Treatment of invasive fungal diseases in cancer patients-Revised 2019 Recommendations of the Infectious Diseases Working Party (AGIHO) of the German Society of Hematology and Oncology (DGHO). Mycoses 2020; 63:653-682. [PMID: 32236989 DOI: 10.1111/myc.13082] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 03/05/2020] [Accepted: 03/10/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Invasive fungal diseases remain a major cause of morbidity and mortality in cancer patients undergoing intensive cytotoxic therapy. The choice of the most appropriate antifungal treatment (AFT) depends on the fungal species suspected or identified, the patient's risk factors (eg length and depth of granulocytopenia) and the expected side effects. OBJECTIVES Since the last edition of recommendations for 'Treatment of invasive fungal infections in cancer patients' of the Infectious Diseases Working Party (AGIHO) of the German Society of Hematology and Medical Oncology (DGHO) in 2013, treatment strategies were gradually moving away from solely empirical therapy of presumed or possible invasive fungal diseases (IFDs) towards pre-emptive therapy of probable IFD. METHODS The guideline was prepared by German clinical experts for infections in cancer patients in a stepwise consensus process. MEDLINE was systematically searched for English-language publications from January 1975 up to September 2019 using the key terms such as 'invasive fungal infection' and/or 'invasive fungal disease' and at least one of the following: antifungal agents, cancer, haematological malignancy, antifungal therapy, neutropenia, granulocytopenia, mycoses, aspergillosis, candidosis and mucormycosis. RESULTS AFT of IFDs in cancer patients may include not only antifungal agents but also non-pharmacologic treatment. In addition, the armamentarium of antifungals for treatment of IFDs has been broadened (eg licensing of isavuconazole). Additional antifungals are currently under investigation or in clinical trials. CONCLUSIONS Here, updated recommendations for the treatment of proven or probable IFDs are given. All recommendations including the levels of evidence are summarised in tables to give the reader rapid access to key information.
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Affiliation(s)
- Markus Ruhnke
- Division of Haematology, Oncology and Palliative Care, Department of Internal Medicine, Evangelisches Klinikum Bethel, Bielefeld, Germany
| | - Oliver A Cornely
- Department I of Internal Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany.,ECMM Excellence Centre of Medical Mycology, Cologne, Germany.,Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany.,Clinical Trials Centre Cologne (ZKS Köln), University of Cologne, Cologne, Germany
| | | | - Nael Alakel
- Department I of Internal Medicine, Haematology and Oncology, University Hospital Dresden, Dresden, Germany
| | - Boris Boell
- Department I of Internal Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany
| | - Dieter Buchheidt
- Department of Hematology and Oncology, Mannheim University Hospital, Heidelberg University, Mannheim, Germany
| | - Maximilian Christopeit
- Department of Stem Cell Transplantation & Oncology, University Medical Center Eppendorf, Hamburg, Germany
| | - Justin Hasenkamp
- Clinic for Haematology and Medical Oncology with Department for Stem Cell Transplantation, University Medicine Göttingen, Göttingen, Germany
| | - Werner J Heinz
- Schwerpunkt Infektiologie, Medizinische Klinik und Poliklinik II, Universitätsklinikum Würzburg, Würzburg, Germany
| | - Marcus Hentrich
- Hämatologie und Internistische Onkologie, Innere Medizin III, Rotkreuzklinikum München, München, Germany
| | - Meinolf Karthaus
- Department of Haematology & Oncology, Municipal Hospital Neuperlach, München, Germany
| | - Michael Koldehoff
- Klinik für Knochenmarktransplantation, Westdeutsches Tumorzentrum Essen, Universitätsklinikum Essen (AöR), Essen, Germany
| | - Georg Maschmeyer
- Department of Hematology, Onclogy and Palliative Care, Klinikum Ernst von Bergmann, Potsdam, Germany
| | - Jens Panse
- Klinik für Onkologie, Hämatologie und Stammzelltransplantation, Universitätsklinikum Aachen, Aachen, Germany
| | - Olaf Penack
- Division of Haematology & Oncology, Department of Internal Medicine, Charité University Medicine, Campus Rudolf Virchow, Berlin, Germany
| | - Jan Schleicher
- Klinik für Hämatologie Onkologie und Palliativmedizin, Katharinenhospital, Stuttgart, Germany
| | - Daniel Teschner
- III. Medizinische Klinik und Poliklinik, Universitätsmedizin der Johannes Gutenberg-Universität Mainz, Mainz, Germany
| | - Andrew John Ullmann
- Department of Internal Medicine II, Julius Maximilians University, Würzburg, Germany
| | - Maria Vehreschild
- Department I of Internal Medicine, Faculty of Medicine, University of Cologne, Cologne, Germany.,ECMM Excellence Centre of Medical Mycology, Cologne, Germany.,Zentrum für Innere Medizin, Infektiologie, Goethe Universität Frankfurt, Frankfurt am Main, Deutschland.,Deutsches Zentrum für Infektionsforschung (DZIF), Standort Bonn-Köln, Deutschland
| | - Marie von Lilienfeld-Toal
- Klinik für Innere Medizin II, Abteilung für Hämatologie und Internistische Onkologie, Universitätsklinikum Jena, Jena, Germany
| | - Florian Weissinger
- Division of Haematology, Oncology and Palliative Care, Department of Internal Medicine, Evangelisches Klinikum Bethel, Bielefeld, Germany
| | - Stefan Schwartz
- Division of Haematology & Oncology, Department of Internal Medicine, Charité University Medicine, Campus Benjamin Franklin, Berlin, Germany
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13
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Forsythe A, Lewis G, Jordan R, Thompson GR. US database study: burden and healthcare resource utilization in adults with systemic endemic mycoses and aspergillosis. J Comp Eff Res 2020; 9:573-584. [PMID: 32316748 DOI: 10.2217/cer-2020-0019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Aim: This study evaluated burden of illness in immunocompromised patients with systemic mycoses (SM) eligible for itraconazole treatment, specifically, histoplasmosis, blastomycosis and aspergillosis. Methods: A cross-sectional study used an electronic medical record network integrating information from 30 US hospitals, including >34 million patients, to evaluate burden and healthcare resource utilization over 6 months following initiation of antifungal therapy. Results: Symptomatic burden experienced by each of the otherwise healthy or age >65 or immunosuppressed cohorts receiving antifungal therapy for SM was comparable but significantly greater in cancer or HIV patients and transplant recipients. Across groups, there was substantially higher healthcare resource utilization in patients with SM versus matched controls without SM. Conclusion: The total impact of SM is particularly severe in high-risk or vulnerable populations.
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Affiliation(s)
| | | | | | - George R Thompson
- Department of Medical Microbiology & Immunology & the Department of Internal Medicine, Division of Infectious Diseases, University of California-Davis Medical Center; 4150 Y Street; Sacramento, CA 95817, USA
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14
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Zhang H, Zhu A. Emerging Invasive Fungal Infections: Clinical Features and Controversies in Diagnosis and Treatment Processes. Infect Drug Resist 2020; 13:607-615. [PMID: 32110071 PMCID: PMC7039084 DOI: 10.2147/idr.s237815] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 01/30/2020] [Indexed: 12/15/2022] Open
Abstract
Background The diagnosis and treatment of invasive fungal infection (IFI) are still challenging due to its complexity and non-specificity. This study was aimed to investigate the clinical features, diagnosis process, and outcomes of patients with emerging IFIs. Methods A retrospective review of emerging IFIs in adult patients at a university hospital in China was conducted; diagnoses were based on the criteria of EORTC/MSG 2008. Results 145 IFI patients (pulmonary, intestinal and urinary) were enrolled in this study, including 80 proven (55.2%), 59 probable (40.7%), or 6 possible IFIs (4.1%). Among the 126 pulmonary IFIs, the positivity rate for sputum microscopy, sputum culture, and 1.3-ß-D-glucan (BG) test was 54.0%, 44.4%, and 37.3%, respectively. Among the 19 intestinal and urinary IFIs, routine examination of stool or urine and their culture were the main methods of detection. Positive results of 75 detected fungal strains from the samples showed that 30 cases were complicated with one or more bacterial infections. The average length of hospital stay of IFI patients was 14.0 (10.0, 20.0) days. The time from admission to antifungal therapy initiation (P<0.001), liver cirrhosis (P<0.001), hematological tumor (P<0.001), coinfection (P=0.019) and immune diseases (P=0.025) were independent predictors of prolonged hospitalization. Conclusion Delayed time was the primary predictor of prolonged hospitalization. This prediction is suggested to improve IFI diagnostic and therapeutic process of IFI to promote prognosis.
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Affiliation(s)
- Hongliang Zhang
- Emergency Department, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, People's Republic of China
| | - Aiqun Zhu
- Emergency Department, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, People's Republic of China.,Department of Nursing, The Second Xiangya Hospital of Central South University, Changsha, Hunan 410011, People's Republic of China
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15
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16
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Molecular Detection of Aspergillus: Application of a Real-Time PCR Multiplex Assay in Tissue Samples. J Fungi (Basel) 2020; 6:jof6010011. [PMID: 31936735 PMCID: PMC7151104 DOI: 10.3390/jof6010011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 12/23/2019] [Accepted: 01/07/2020] [Indexed: 01/29/2023] Open
Abstract
Diagnosis of invasive fungal infections is complex, and the lack of standardization of molecular methods is still a challenge. Several methods are available for the diagnosis of invasive aspergillosis, but their effectiveness will depend on the studied population, the patients' comorbidities, and the use of mold active prophylaxis, among others. The ability to determine the identity of the infecting Aspergillus species, and to detect mutations conferring specific resistance patterns directly from DNA extracted from the biological product, is an advantage of nucleic acid testing compared with antigen-based assays. In this study, we to present laboratory cases where the diagnosis of aspergillosis was performed using a real-time multiplex PCR for the detection of Aspergillus DNA in tissue samples, showing its usefulness as one more tool in the diagnosis of aspergillosis in tissue samples. Aspergillus real-time multiplex PCR was also used to detect azole-resistance in some cases. In the majority of the PCR positive cases, cultures remained negative after 60 days. The PCR assay directed to Aspergillus gave positive signals for Aspergillus fumigatus sensu stricto. Results were confirmed by panfungal PCR, followed by sequencing, revealing 100% homology with Aspergillus fumigatus sensu stricto. Mutations conferring azole resistance were not detected.
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17
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Felice MR, Giuffrè L, El Aamri L, Hafidi M, Criseo G, Romeo O, Scordino F. Looking for New Antifungal Drugs from Flavonoids: Impact of the Genetic Diversity of Candida albicans on the in-vitro Response. Curr Med Chem 2019; 26:5108-5123. [PMID: 29278204 DOI: 10.2174/0929867325666171226102700] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 09/15/2017] [Accepted: 11/06/2017] [Indexed: 01/11/2023]
Abstract
BACKGROUND In an era in which antimicrobial resistance is increasing at an alarming pace, it is very important to find new antimicrobial agents effective against pathogenic microrganisms resistant to traditional treatments. Among the notable breakthroughs in the past years of research in natural-drug discovery, there is the identification and testing of flavonoids, a group of plant-derived substances capable of promoting many beneficial effects on humans. These compounds show different biological activities such as inhibition of neuroinflammation and tumor growth as well as antimicrobial activity against many microbial pathogens. METHODS We undertook a review of protocols and standard strains used in studies reporting the inhibitory effects of flavonoids against Candida albicans by focusing our attention on genetic characterization of the strains examined. Moreover, using the C. albicans MLST-database, we performed a phylogenetic analysis showing the genetic variation occurring in this species. RESULTS Today, we have enough information to estimate genetic diversity within microbial species and recent data revealed that most of fungal pathogens show complex population structures in which not a single isolate can be designated as representative of the entire taxon. This is especially true for the highly divergent fungal pathogen C. albicans, in which the assumption that one or few "standard strains" can represent the whole species is overly unrealistic and should be laid to rest. CONCLUSION The goal of this article is to shed light on the extent of genetic variation in C. albicans and how this phenomenon can largely influence the activity of flavonoids against this species.
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Affiliation(s)
- Maria Rosa Felice
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Letterio Giuffrè
- Department of Veterinary Sciences, Division of Animal Production, University of Messina, Messina, Italy
| | - Lamya El Aamri
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy.,Department of Biology, Moulay Ismail University, Faculty of Sciences, Zitoune Meknes, Morocco
| | - Majida Hafidi
- Department of Biology, Moulay Ismail University, Faculty of Sciences, Zitoune Meknes, Morocco
| | - Giuseppe Criseo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Orazio Romeo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy.,Scientific Institute for Research, Hospitalization and Health Care (IRCCS) - Centro Neurolesi "Bonino-Pulejo", Messina, Italy
| | - Fabio Scordino
- Scientific Institute for Research, Hospitalization and Health Care (IRCCS) - Centro Neurolesi "Bonino-Pulejo", Messina, Italy
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18
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Varotto A, Orsatti G, Crimì F, Cecchin D, Toffolutti T, Zucchetta P, Stramare R. Radiological Assessment of Paediatric Fungal Infections: A Pictorial Review With Focus on PET/MRI. In Vivo 2019; 33:1727-1735. [PMID: 31662497 DOI: 10.21873/invivo.11663] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 08/03/2019] [Accepted: 08/05/2019] [Indexed: 12/18/2022]
Abstract
Paediatric invasive fungal infections have significantly increased over the past few decades, in particular among the immunocompromised population. Candida and Aspergillus spp. are still the most commonly isolated organisms. Image-based assessment of fungal infections can indeed be challenging especially in oncological patients where the differential diagnosis relative to other infections and neoplastic lesions cannot be often obvious. Therefore, the knowledge of the main radiological features associated with fungal infections is crucial to achieve an early correct diagnosis and address the most appropriate therapeutic approach. Thus, our aim was to review the main radiological features of paediatric fungal infections with particular focus on positron emission tomography/magnetic resonance imaging (PET/MRI), referring to the experience of our tertiary level hospital.
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Affiliation(s)
- Alessia Varotto
- Radiology Unit, Department of Medicine DIMED, University-Hospital Padua, Padua, Italy
| | - Giovanna Orsatti
- Radiology Unit, Department of Medicine DIMED, University-Hospital Padua, Padua, Italy
| | - Filippo Crimì
- Radiology Unit, Department of Medicine DIMED, University-Hospital Padua, Padua, Italy
| | - Diego Cecchin
- Nuclear Medicine Unit, Department of Medicine DIMED, University-Hospital Padua, Padua, Italy
| | - Tiziana Toffolutti
- Radiology Unit, Department of Medicine DIMED, University-Hospital Padua, Padua, Italy
| | - Pietro Zucchetta
- Nuclear Medicine Unit, Department of Medicine DIMED, University-Hospital Padua, Padua, Italy
| | - Roberto Stramare
- Radiology Unit, Department of Medicine DIMED, University-Hospital Padua, Padua, Italy
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19
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Jainlabdin MH, Batra A, Sánchez Paredes E, Hernández Hernández F, Fu G, Tovar-Torres J. Single-tube, dual channel pentaplexing for the identification of Candida strains associated with human infection. Sci Rep 2019; 9:14692. [PMID: 31604994 PMCID: PMC6788996 DOI: 10.1038/s41598-019-51198-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 09/23/2019] [Indexed: 12/29/2022] Open
Abstract
Invasive candidiasis is one of the most common nosocomial fungal infections worldwide. Delayed implementation of effective antifungal treatment caused by inefficient Candida diagnosis contributes to its notoriously high mortality rates. The availability of better Candida diagnostic tools would positively impact patient outcomes. Here, we report on the development of a single-tube, dual channel pentaplex molecular diagnostic assay based on Multiplex Probe Amplification (MPA) technology. It allows simultaneous identification of C. auris, C. glabrata and C. krusei, at species-level as well as of six additional albicans and non-albicans pathogenic Candida at genus level. The assay overcomes the one-channel one-biomarker limitation of qPCR-based assays. Assay specificities are conferred by unique biomarker probe pairs with characteristic melting temperatures; post-amplification melting curve analysis allows simple identification of the infectious agent. Alerting for the presence of C. auris, the well-characterised multi-drug resistant outbreak strain, will facilitate informed therapy decisions and aid antifungal stewardship. The MPA-Candida assay can also be coupled to a pan-Fungal assay when differentiation between fungal and bacterial infections might be desirable. Its multiplexing capacity, detection range, specificity and sensitivity suggest the potential use of this novel MPA-Candida assay in clinical diagnosis and in the control and management of hospital outbreaks.
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Affiliation(s)
- Mohd Hanif Jainlabdin
- Department of Biological Sciences, Royal Holloway University of London, Egham, Surrey, United Kingdom.,Faculty of Nursing, International Islamic University Malaysia, Kuala Lumpur, Malaysia
| | - Ambalika Batra
- Department of Biological Sciences, Royal Holloway University of London, Egham, Surrey, United Kingdom
| | | | | | | | - Jorge Tovar-Torres
- Department of Biological Sciences, Royal Holloway University of London, Egham, Surrey, United Kingdom.
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20
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Armstrong AE, Rossoff J, Hollemon D, Hong DK, Muller WJ, Chaudhury S. Cell-free DNA next-generation sequencing successfully detects infectious pathogens in pediatric oncology and hematopoietic stem cell transplant patients at risk for invasive fungal disease. Pediatr Blood Cancer 2019; 66:e27734. [PMID: 30941906 DOI: 10.1002/pbc.27734] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Revised: 03/04/2019] [Accepted: 03/11/2019] [Indexed: 02/03/2023]
Abstract
BACKGROUND We sought to determine if next-generation sequencing (NGS) of microbial cell-free DNA (cfDNA) in plasma would detect pathogens in pediatric patients at risk for invasive fungal disease (IFD). PROCEDURES Pediatric hematology, oncology, and stem cell transplant patients deemed at risk for new IFD had blood samples drawn at three time-points separated by 1-month intervals. The primary outcome measure was detection of fungal pathogens compared to standard clinical testing. Secondary outcomes included identification of other infectious pathogens, relationship to European Organization for Research and Treatment of Cancer's Invasive Fungal Infections Cooperative Group and the National Institute of Allergy and Infectious Diseases' Mycoses Study Group (EORTC/MSG) guidelines, and assessment of antifungal therapy. RESULTS NGS identified fungal pathogens in seven of 40 at-risk patients for IFD and results were identical in four of six proven cases, including Aspergillus fumigatus by lung biopsy, Candida albicans by blood or pancreatic pseudocyst cultures, and Rhizopus delemar by skin biopsy. Rhizopus oryzae identified on skin biopsy and A. fumigatus isolated on day 27 of 28 of culture from lung biopsy were not detected by cfDNA NGS, possibly due to lack of bloodstream penetration and questionable pathogenicity, respectively. Numerous DNA viruses were detected in patients with prolonged febrile neutropenia or abnormal imaging. Extended antifungal therapy was used in 73% of patients. Follow-up cfDNA sequencing in patients who were positive at enrollment was negative at 1 and 2 months. CONCLUSIONS cfDNA NGS detected fungal pathogens from blood confirming its potential to guide treatment decisions in pediatric patients at risk for IFD and limit excessive empiric antifungal use. Future studies are needed to better understand the sensitivity and specificity of this approach.
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Affiliation(s)
- Amy E Armstrong
- Division of Hematology, Oncology and Transplantation, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois
| | - Jenna Rossoff
- Division of Hematology, Oncology and Transplantation, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois
| | | | | | - William J Muller
- Division of Infectious Diseases, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois.,Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Sonali Chaudhury
- Division of Hematology, Oncology and Transplantation, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois.,Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, Illinois
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21
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Solano C, Vázquez L. [Invasive aspergillosis in the patient with oncohematologic disease]. Rev Iberoam Micol 2019; 35:198-205. [PMID: 30554673 DOI: 10.1016/j.riam.2018.10.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 09/08/2018] [Accepted: 10/05/2018] [Indexed: 12/21/2022] Open
Abstract
Invasive aspergillosis is the most common invasive fungal infection in patients with acute hematological malignancies or treated with hematopoietic stem cell transplantation due to the marked alteration of the physiological mechanisms of antifungal immunity that takes place in these situations. For this reason, antifungal prophylaxis has a relevant role in these patients. The introduction of new antifungal agents has motivated the updating of recommendations for prophylaxis and treatment in different guidelines. The objectives of this chapter are a brief review of the mechanisms of immunity against fungi, the definition of risk for developing an invasive fungal infection and an update of the prophylaxis recommendations and treatment of invasive aspergillosis in the group of patients with hematological diseases.
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Affiliation(s)
- Carlos Solano
- Servicio de Hematología y Hemoterapia, Hospital Clínico Universitario, Universidad de Valencia, Valencia, España.
| | - Lourdes Vázquez
- Servicio de Hematología y Hemoterapia, Hospital Clínico Universitario, Universidad de Salamanca, Salamanca, España
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22
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Thakur R, Shankar J. Proteome Analysis Revealed Jak/Stat Signaling and Cytoskeleton Rearrangement Proteins in Human Lung Epithelial Cells During Interaction with Aspergillus terreus. ACTA ACUST UNITED AC 2019. [DOI: 10.2174/1574362413666180529123513] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Aspergillus terreus is an emerging etiological agent of invasive and
allergic aspergillosis in immunocompromised individuals. The main risk groups are individuals
having cancer, acute leukemia and those who undergo bone marrow transplantation. The human
lung epithelial cells constitute the first line of defense against inhaled conidia of A. terreus. The
aim of the study was to understand how human lung epithelial cells respond to A. terreus conidia
during the interaction and to decipher proteins/pathways underlying in host defense.
Methods:
Protein samples were extracted from human lung epithelial cells (A549) infected with
and without A. terreus conidia. Proteins were identified using QTOF-LC-MS/MS followed by
analysis using Protein Lynx Global Services software (2.2.5) against Homo sapiens UniProt
database.
Results:
A total of 1253 proteins in human lung epithelial cells were identified during the
interaction with Aspergillus terreus conidia, whereas 427 proteins were identified in uninfected
lung epithelial cells. We have observed 63 proteins in both the conditions. Gene ontology and
KEEG pathway analysis of proteins from infected lung epithelial cells showed proteins from
cytoskeleton rearrangement, transport, transcription and signal transduction pathways, such as
Jak/Stat, NOD like receptor signaling, Toll–like receptor signaling, NF-kβ signaling and TNF
signaling pathways. These signaling proteins suggested the strong immune response in lung
epithelial cells against A. terreus conidia. Also, cytoskeleton rearrangement proteins depicted the
internalization of A. terreus conidia by human lung epithelial cells.
Conclusion:
Our study has contributed to understand the interaction response of human lung
epithelial cells during A. terreus infection. Also, our study may facilitate the identification of
inflammatory biomarker against A. terreus.
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Affiliation(s)
- R. Thakur
- Genomic Laboratory, Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Waknaghat Solan-173234 Himachal Pradesh, India
| | - J. Shankar
- Genomic Laboratory, Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Waknaghat Solan-173234 Himachal Pradesh, India
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23
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Persistent Candidemia in adults: underlying causes and clinical significance in the antifungal stewardship era. Eur J Clin Microbiol Infect Dis 2019; 38:607-614. [PMID: 30680572 DOI: 10.1007/s10096-019-03477-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 01/02/2019] [Indexed: 12/17/2022]
Abstract
To investigate the causes and the clinical significance of persistent candidemia (PC) in adults diagnosed in a tertiary hospital with an active antifungal stewardship program. Retrospective cohort including all adults with candidemia from 2010 to 2018. PC was defined as any positive follow-up blood culture (BC) obtained ≥ 5 days from the first BCs yielding the same Candida species. PC was detected in 35/255 (13.7%) patients. There were no differences regarding antifungal adequacy in PC vs. non-PC (94.3% vs. 82.3%, p = 0.084) and primary source control (63.3% vs. 76.4%, p = 0.172) at the time of the follow-up BCs. The average time until source control (2 [0-37] vs. 2 days [0-44], p = 0.311) or adequate antifungal treatment (2 [0-26] vs. 2 days [- 2-10], p = 0.748) was similar. Patients with PC had more non-ocular complications (31.4% vs. 10.5%, p = 0.002). No impact on 30-day mortality was observed (31.4% vs. 22.3%, p = 0.238). The only independent factor associated with PC was to have a previously undetected site of infection [OR 4.28, 95%CI (1.77-10.34), p = 0.001]. Persistent candidemia was not associated with inadequate or delayed therapeutic management, nor higher 30-day mortality rates. Timely screening and control of unexpected infection sources are encouraged to shorten hospitalization and improve patient care.
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24
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Xu D, Lin SR, Bonelli L, Glasgow BJ, Goldberg RA. Orbital granulomatosis with polyangiitis masquerading as invasive fungal sinusitis. Orbit 2018; 37:309-312. [PMID: 29303390 DOI: 10.1080/01676830.2017.1423339] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A 55-year-old man presented with unilateral orbital inflammation and no light perception vision. Imaging revealed infiltrative enhancement of the optic nerve, orbit, and intracranial tissue. The case was suspicious for invasive fungal disease, but ultimate workup and orbital biopsy revealed granulomatosis with polyangiitis. The patient's inflammation resolved with corticosteroid and rituximab therapy. Granulomatosis with polyangiitis is a systemic vasculitis that can mimic a number of orbital pathologies.
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Affiliation(s)
- David Xu
- a Stein Eye Institute, University of California , Los Angeles , CA , USA
| | - Shawn R Lin
- a Stein Eye Institute, University of California , Los Angeles , CA , USA
| | - Laura Bonelli
- a Stein Eye Institute, University of California , Los Angeles , CA , USA
| | - Ben J Glasgow
- a Stein Eye Institute, University of California , Los Angeles , CA , USA
| | - Robert A Goldberg
- a Stein Eye Institute, University of California , Los Angeles , CA , USA
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25
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Abstract
Cryptococcus neoformans is a human pathogenic yeast that causes hundreds of thousands of deaths worldwide among susceptible individuals, in particular, HIV+ patients. This yeast has developed several adaptation mechanisms that allow replication within the host. During decades, this yeast has been well known for a very peculiar and unique structure that contributes to virulence, a complex polysaccharide capsule that surrounds the cell wall. In contrast to other fungal pathogens, such as Candida albicans or Aspergillus fumigatus, the role of morphological transitions has not been studied in the virulence of Cryptococcus neoformans since this yeast does not form hyphae during infection. However, in the last years, different groups have described the ability of this fungus to change its size during infection. In particular, Cryptococcus can form "titan cells," which are blastoconidia of an abnormal large size. Since their discovery, there is increasing evidence that these cells contribute, not only to long-term persistence in the host, but they can also actively participate in the development of the disease. Recently, several groups have simultaneously described different media that induce the appearance of titan cells in laboratory conditions. Using these conditions, new inducing factors and signaling pathways involved in this transition have been described. In this article, we will review the main phenotypic features of these cells, factors, and transduction pathways that induce cell growth, and how titan cells contribute to the disease caused by this pathogen.
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26
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Omrani AS, Almaghrabi RS. Complications of hematopoietic stem transplantation: Fungal infections. Hematol Oncol Stem Cell Ther 2017. [PMID: 28636889 DOI: 10.1016/j.hemonc.2017.05.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
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. The improved diagnostic performance of serum biomarkers such as galactomannan and β-D-glucan, as well as polymerase chain reaction assays has allowed the development of diagnostic-driven antifungal therapy strategies for high risk patients. Diagnostic-driven approaches have resulted in reduced unnecessary antifungal exposure, improved diagnosis of invasive fungal disease, and reduced costs without increased risk of mortality. The appropriateness of diagnostic-driven antifungal strategy for individual HSCT centers depends on the availability and turnaround times for diagnostics, multidisciplinary expertise, and the local epidemiology of invasive fungal infections. Echinocandins are the treatment of choice for invasive candidiasis in most HSCT recipients. Fluconazole may be used for the treatment of invasive candidiasis in hemodynamically stable patients with no prior azole exposure. The primary treatment of choice for invasive aspergillosis is voriconazole. Alternatives include isavuconazole and lipid formulations of amphotericin. Currently available evidence does not support routine primary combination antifungal therapy for invasive aspergillosis. However, combination salvage antifungal therapy may be considered in selected patients. Therapeutic drug monitoring is recommended for the majority of HSCT recipients on itraconazole, posaconazole, or voriconazole.
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Affiliation(s)
- Ali S Omrani
- Section of Infectious Diseases, Department of Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia.
| | - Reem S Almaghrabi
- Section of Infectious Diseases, Department of Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
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27
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Aversa F, Busca A, Candoni A, Cesaro S, Girmenia C, Luppi M, Nosari AM, Pagano L, Romani L, Rossi G, Venditti A, Novelli A. Liposomal amphotericin B (AmBisome®) at beginning of its third decade of clinical use. J Chemother 2017; 29:131-143. [DOI: 10.1080/1120009x.2017.1306183] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Franco Aversa
- Department of Clinical and Experimental Medicine, Hematology and BMT Unit, University of Parma, Parma, Italy
| | - Alessandro Busca
- Department of Oncology and Hematology, BMT Unit, A.O. Citta’ della Salute e della Scienza di Torino, Torino, Italy
| | - Anna Candoni
- Hematology and Center for Stem Cell Transplantation and Cell Therapy, Azienda Sanitaria Universitaria Integrata di Udine, Udine, Italy
| | - Simone Cesaro
- Pediatric Hematology Oncology, G.B. Rossi Hosptial, Verona, Italy
| | | | - Mario Luppi
- Department of Medical and Surgical Sciences UNIMORE, Division of Hematology AOU Policlinico, Modena, Italy
| | - Anna Maria Nosari
- Dipartimento di Ematologia ed Oncologia, Niguarda Cancer Centre ASST Grande Ospedale Metropolitano Niguarda Piazza Ospedale, Milano, Italy
| | - Livio Pagano
- Hematology Unit, Catholic University Holy Hearth, Roma, Italy
| | - Luigina Romani
- Department of Experimental Medicine, University of Perugia, Perugia, Italy
| | - Giuseppe Rossi
- Ematologia e Dipartimento di Oncologia Clinica, A.O. Spedali Civili, Brescia, Italy
| | | | - Andrea Novelli
- Department of Health Sciences, Clinical Pharmacology and Oncology Section, University of Florence, Florence, Italy
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