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Background Posaconazole and itraconazole are commonly used for systemic antifungal prophylaxis after lung transplantation. The aim of this study on critically ill lung transplant recipients was to assess the rate of adequate plasma concentrations and the frequency of fungal-induced transitions from antifungal prophylaxis to therapy after the administration of either posaconazole or itraconazole for systemic prophylaxis. Methods Critically ill lung transplant recipients with postoperative...

Hematopoietic transplantation is the preferred treatment for many patients with hematologic malignancies. Some patients may develop invasive fungal diseases (IFDs) during initial chemotherapy, which need to be considered when assessing patients for transplantation and treatment posttransplantation. Given the associated high risk of relapse and mortality in the post–hematopoietic stem cell transplantation (HSCT) period, IFDs, especially invasive mold diseases, were historically considered a...

The increasing emergence and spread of drug resistant Candida albicans represent a serious challenge for effective treatment and call for the development of new therapeutic options. To address this need, we synthesized a series of polypyridyl iridium(III) complexes and studied their antimicrobial activities. Herein, one lead iridium(III) complex Ir-3 [(ptpy)2Ir(dppz)]PF6, with ptpy = 2-(p-tolyl)pyridine and dppz = dipyrido[3,2-a:2′,3′-c]phenazine, exhibited potent and broad-spectrum...

Rezafungin (RZF) is a novel echinocandin exhibiting distinctive pharmacokinetics/pharmacodynamics. STRIVE was a phase 2, double-blind, randomized trial designed to compare the safety and efficacy of RZF once weekly (QWk) to caspofungin (CAS) once daily for treatment of candidemia and/or invasive candidiasis (IC).Adults with systemic signs and mycological confirmation of candidemia and/or IC were randomized to RZF 400 mg QWk (400 mg), RZF 400 mg on week 1 then 200 mg QWk (400/200 mg), or CAS...

In recent years, the global public health community has increasingly recognized the importance of antimicrobial stewardship (AMS) in the fight to improve outcomes, decrease costs, and curb increases in antimicrobial resistance around the world. However, the subject of antifungal stewardship (AFS) has received less attention. While the principles of AMS guidelines likely apply to stewarding of antifungal agents, there are additional considerations unique to AFS and the complex field of fungal...

Isavuconazole was as effective as and better tolerated than voriconazole in preventing invasive fungal infections (IFIs) after lung transplantation. Breakthrough IFIs occurred in 3% of patients receiving isavuconazole or voriconazole prophylaxis. IFIs were associated with increased mortality and longer hospitalizations.

The treatment of invasive fungal infections remains challenging due to limitations in currently available antifungal therapies including toxicity, interactions, restricted routes of administration, and drug resistance. This review focuses on novel therapies in clinical development, including drugs and a device. These drugs have novel mechanisms of action to overcome resistance, and some offer new formulations providing distinct advantages over current therapies to improve safety profiles and...

Objectives: To evaluate the safety and efficacy of two dosing regimens of oral ibrexafungerp (formerly SCY078), a novel orally bioavailable b-glucan synthase inhibitor, in subjects with invasive candidiasis versus the standard of care (SOC) and to identify the dose to achieve target exposure (15.4 lMÁh) in .80% of the intended population. Methods: In a multinational, open-label study, patients with documented invasive candidiasis were randomized to receive step-down therapy to one of three...

BACKGROUND: Isavuconazole was compared to caspofungin followed by oral voriconazole in a Phase 3, randomized, double-blind, multinational clinical trial for the primary treatment of patients with candidemia or invasive candidiasis. METHODS: Adult patients were randomized 1:1 to isavuconazole (200 mg intravenous [IV] three-times-daily [TID] for 2 days, followed by 200 mg IV once-daily [OD]) or caspofungin (70 mg IV OD on day 1, followed by 50 mg IV OD [70 mg in patients > 80 kg]) for a...

Invasive fungal infections (IFIs) continue to pose a serious challenge in patients undergoing transplantation. An essential need for treatment with immunosuppressive drugs necessary for sustenance of solid organ allograft; preparatory conditioning regimens use to facilitate hematopoietic stem cell engraftment; drugs given to mitigate hosts’ adaptive cellular immune response for prevention and treatment of graft-versus-host disease (GVHD), and visceral allgraft rejection promote the risk for...

These updated guidelines from the Infectious Diseases Community of Practice of the American Society of Transplantation provide an update on potential drug-drug interactions between anti-infectives and immunosuppressants, which are most notable with calcineurin and mTOR inhibitors. Drug-drug interactions may occur through pharmacokinetic mechanisms leading to altered drug concentrations of either the anti-infective or immunosuppressive drug, or by pharmacodynamic interactions increasing or...

PurposeTo provide an updated joint ASCO/Infectious Diseases Society of America (IDSA) guideline on antimicrobial prophylaxis for adult patients with immunosuppression associated with cancer and its treatment.MethodsASCO and IDSA convened an update Expert Panel and conducted a systematic review of relevant studies from May 2011 to November 2016. The guideline recommendations were based on the review of evidence by the Expert Panel.ResultsSix new or updated meta-analyses and six new primary...

<h2>Summary</h2><h3>Background</h3><p>Mucormycosis is an uncommon invasive fungal disease with high mortality and few treatment options. Isavuconazole is a triazole active in vitro and in animal models against moulds of the order Mucorales. We assessed the efficacy and safety of isavuconazole for treatment of mucormycosis and compared its efficacy with amphotericin B in a matched case-control analysis.</p><h3>Methods</h3><p>In a single-arm open-label trial (VITAL study), adult patients (≥18...

Invasive aspergillosis (IA) causes significant morbidity and mortality among immunocompromised hosts. Combination therapy with mold-active triazoles and echinocandins has been used with the hope of improving outcomes over monotherapy, especially in the setting of refractory disease. Herein, I update our prior systematic review and meta-analysis on combination therapy for salvage IA in the context of the recently published randomized clinical trial of combination therapy for primary IA....

BACKGROUND: Invasive aspergillosis (IA) is associated with poor outcomes in patients with hematologic malignancies (HMs) and hematopoietic cell transplantation (HCT). Small studies suggest a role for combination antifungal therapy. OBJECTIVE: To assess the safety and efficacy of voriconazole and anidulafungin compared with voriconazole monotherapy for treatment of IA. DESIGN: Randomized, double-blind, placebo-controlled multicenter trial. (ClinicalTrials.gov: NCT00531479). SETTING: 93...

Incorporation of the solubilizing excipient, sulfobutylether-β-cyclodextrin (SBECD), in the intravenous (IV) formulation of voriconazole has resulted in the recommendation that this formulation be used with caution in patients with creatinine clearances (Clcr) < 50 mL/min. This study evaluated the safety of IV voriconazole compared with two other IV antifungals not containing SBECD in patients with compromised renal function.

Invasive fungal infection (IFI) is a serious threat after allogeneic hematopoietic cell transplant (HCT). This multicenter, randomized, double-blind trial compared fluconazole (N = 295) versus voriconazole (N = 305) for the prevention of IFI in the context of a structured fungal screening program. Patients undergoing myeloablative allogeneic HCT were randomized before HCT to receive study drugs for 100 days, or for 180 days in higher-risk patients. Serum galactomannan was assayed twice...