Prophylactic Use of Voriconazole for Invasive Fungal Infection in Children and Adolescents with Acute Myeloid Leukemia

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Prophylactic Use of Voriconazole for Invasive Fungal Infection in Children and Adolescents with Acute Myeloid LeukemiaConference abstracts

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We present a case of Candida tropicalis thyroiditis in an adolescent male with acute lymphocytic leukemia that led to disseminated candidiasis, thyroid storm and eventual total thyroidectomy for source control.

Publication date: Available online 30 August 2019Source: Clinical Lymphoma Myeloma and LeukemiaAuthor(s): Laura Nanni, Cinzia Pellegrini, Vittorio Stefoni, Lisa Argnani, Michele Cavo, Pier Luigi Zinzani

Invasive fungal infections (IFIs) are an important cause of morbidity and mortality in children with cancer. An overview of studies on the frequency and determinants of IFI in pediatric oncology patients in nonallogeneic stem cell transplantation settings is lacking. We performed a literature review in Pubmed and Embase, and included 13 prospective and 23 retrospective studies. The IFI frequency (proven/probable based on EORTC criteria) in nonallogeneic stem cell transplantation pediatric cancer patients ranged between 1.0% and 38.0%, with the highest frequencies reported in hematologic malignancies. The most common fungal…

Conclusion: This prospective multicenter study provides information on the current incidence and outcome of IFD in the real life setting. Practice variation between the centers may help to ultimately improve antifungal management in children at highest risk for IFDs.



Introduction
Available data on the incidence and outcome of invasive fungal diseases (IFD) in children treated for a hematological malignancy or undergoing allogeneic hematopoietic stem cell transplantation (HSCT) are mostly based on single site, retrospective studies or on studies performed prior to the availability of newer compounds such as broad-sp…

Conclusion
In conclusion, F. keratoplasticum and F. petroliphilum were the most frequent species in this study. Amphotericin B showed lower MICs against Fusarium species whereas the antifungal azoles and the fungicide difenoconazole exhibited higher MICs against FSSC.
Ethics Statement
Samples were collected during routine patient care and the study was retrospective, therefore it was determined by the local Institutional Review Board of the Hospital de Clínicas, Federal University of Paraná and CAPES that ethical clearance was not indicated.
Author Contributions
PH, AA-H, FQ-T, and JM designed the study….

Conclusions: These results demonstrate ISAV to be a safe and effective alternative for antifungal ppx in treatment-naïve pts with AML/MDS undergoing induction therapy with a variety of different regimens. ISAV’s weak inhibition of P-glycoprotein and lack of risk of QT prolongation may make ISAV particularly attractive for antifungal ppx in the era of recently approved or emerging AML therapies such as enasidenib, ivosidenib, midostaurin and quizartinib.DisclosuresBose: CTI BioPharma: Research Funding; Constellation Pharmaceuticals: Research Funding; Blueprint Medicines Corporation: Research Funding; Celgene Corporatio…

Source: BloodCategory: Hematology Authors: Tags: 613. Acute Myeloid Leukemia: Clinical Studies: Poster II Source Type: research

Conclusions. ISV is widely used in hematological pts with IFI also in diseases other than acute myeloid leukemia and it is overall well tolerated. ORR to ISV is at least comparable with other antifungal agents. A rec/ref underlying hematological disease impacts both on OS and response to ISV, while having an IFI refractory to other antifungal agents including azoles does not seem to compromise the response to ISV, although this promising result should be confirmed in prospective studies and larger groups of patients.DisclosuresBusca: Gilead: Honoraria, Membership on an entity’s Board of Directors or advisory committees, Sp…

Source: BloodCategory: Hematology Authors: Tags: 203. Lymphocytes, Lymphocyte Activation, and Immunodeficiency, including HIV and Other Infections: Poster III Source Type: research

CONCLUSION: Polyene prophylaxis offers effective antifungal activity with improved tolerability compared to older agents. The potential impact of this treatment should be included in current prophylaxis guidelines of antileukemic treatment.DisclosuresNo relevant conflicts of interest to declare.

Source: BloodCategory: Hematology Authors: Tags: 612. Acute Lymphoblastic Leukemia: Clinical Studies: Poster III Source Type: research

We report the case of a 53‐year‐old male with a history of acute myelogenous leukemia, who suffered the rupturing of a right‐sided pulmonary artery pseudoaneurysm combined with pneumonia. He underwent a right‐sided lower lobectomy. The resected lung tissue demonstrated a mycotic pseudoaneurysm of a pulmonary artery branch together with a filamentous fungal infection. Pseudoaneurysms are caused by the breaching of all layers of a blood vessel wall. The extravasated blood is trapped by the surrounding extravascular tissue or clots. Cladosporium was detected during a polymerase chain reaction‐based analysis followed…

Source: Pathology InternationalCategory: Pathology Authors: Tags: Case Report Source Type: research

CONCLUSION: Micafungin is associated with a good safety profile and is an interesting option for preventing invasive fungal infections in the high-risk population of patients presenting with hematological disorders.
PMID: 27126350 [PubMed – as supplied by publisher]



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