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Efficacy and safety of micafungin for the treatment of patients with proven or probable invasive aspergillosis: A non-comparative, multicenter, phase IV, open-label study.

ABSTRACT: INTRODUCTION:Few studies have assessed the efficacy and safety of micafungin in patients with proven or probable invasive aspergillosis (IA). This was the aim of the current study, which was conducted in 22 hospitals in China, where micafungin was approved for treatment of IA in 2006. METHODS:This was a non-comparative, phase IV open-label study (NCT02646774). Eligible patient were adults with proven or probable IA. Efficacy endpoints included rates of overall treatment success (primary endpoint) and clinical improvement, fungal clearance, mortality, and the site of Aspergillus infection (all secondary endpoints). Safety endpoints included incidences of treatment-emergent adverse events (TEAEs), serious AEs (SAEs), and adverse drug reactions (ADRs). These endpoints were reported descriptively with associated 95% confidence intervals (CI); no hypotheses were tested. RESULTS:The study was discontinued early due to low patient recruitment, which did not allow for the planned sample size to be reached. In total, 68 patients were enrolled: 42 into the full analysis set (for efficacy) and 61 into the safety analysis set. All patients were Han Chinese; the majority were male (n?=?26; 61.9%) and ?60 years of age (n?=?35; 83.3%). Rates of overall treatment success, clinical improvement, fungal clearance, and mortality were 45.2% (n?=?19/42; 95% CI: 29.85-61.33); 59.5% (n?=?25/42; 95% CI: 43.28-74.37), 80.0% (n?=?4/5; 95% CI: 28.36-99.49), and 7.1% (n?=?3/42; 95% CI: 1.50-19.48), respectively. All patients were diagnosed with pulmonary Aspergillus infection. Overall, 155 TEAEs and 8 SAEs were reported by 37 (60.7%) and 7 (11.5%) patients. The most common TEAEs were decreased platelet count and fatigue (both n?=?5; 8.2%) and the most common SAEs were intracranial hemorrhage and lung infection (n?=?3; 4.9% and n?=?2; 3.3%). Eight ADRs (n?=?6; 9.8%) were reported but all were completely remitted or remitting during follow-up. CONCLUSIONS:Results suggest that micafungin is efficacious and well-tolerated in patients with proven or probable IA in China. However, these findings should be interpreted with care, due to the small number of patients included in this study. Further comparative trials should be used to confirm the efficacy and safety of micafungin in patients with proven or probable IA.

SUBMITTER: Ji Y

PROVIDER: S-EPMC6392632 | biostudies-literature | 2017 Dec

REPOSITORIES: biostudies-literature

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Efficacy and safety of micafungin for the treatment of patients with proven or probable invasive aspergillosis: A non-comparative, multicenter, phase IV, open-label study.

Ji Yu Y Song Yongping Y Zhou Fang F Liu Ting T Jiang Ming M Zhao Xielan X Huang Xiaojun X

Medicine 20171201 52

<h4>Introduction</h4>Few studies have assessed the efficacy and safety of micafungin in patients with proven or probable invasive aspergillosis (IA). This was the aim of the current study, which was conducted in 22 hospitals in China, where micafungin was approved for treatment of IA in 2006.<h4>Methods</h4>This was a non-comparative, phase IV open-label study (NCT02646774). Eligible patient were adults with proven or probable IA. Efficacy endpoints included rates of overall treatment success (p ...[more]

PMID: 29384927

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Project description:BackgroundA multicenter observational study was conducted in Italy to assess the safety of micafungin in the daily clinical practice for the treatment of proven and suspected invasive candidiasis (IC), as well as to describe rates of clinical response to micafungin treatment.MethodsFrom October 2010 to March 2012, data from consecutive eligible neonate, pediatric, and adult patients treated with micafungin for a proven or suspected IC were collected. Patients were deemed as eligible if they or their parents signed an informed consent. The study endpoints were to assess safety of micafungin in the treatment of both proven and suspected IC, and to describe rates of clinical response to micafungin treatment. Clinical response was assessed at the end of micafungin treatment (EOMT) and defined as favorable (complete or partial resolution of signs and symptoms) or unfavorable (stability or progression).ResultsDuring the study period, 108 patients with proven or suspected IC were enrolled. Thirty-six out of 108 patients (33%) were < 18 year-old (median 1 year), whereas 72 (67%) were ? 18 year-old (median 71 years). Neonates in NICU accounted for 36% of pediatric patients, with the majority of them (54%) being extremely low birth weight (ELBW) newborns. Fifty-eight out of 108 patients (54%) received micafungin for a proven IC, whereas 50/108 patients (46%) were treated for a suspected IC. Among proven IC, candidemia accounted for the majority of events (54/58, 93%), with Candida albicans (35/58, 60%) as the most frequently isolated species. Therapy was discontinued due to occurrence of an adverse event in 4/108 subjects (4%). No pediatric patient had treatment interruption because of adverse events. A 67% favorable response rate was observed at EOMT. No age-, species-, underlying conditions- or ward-related differences of favorable response were observed. Survival at EOMT was 90% (97/108 patients), with rates of 97% (35/36) and 86% (62/72) among children and adults, respectively.ConclusionsMicafungin was well tolerated in a heterogeneous real world population with a bimodal age distribution. A high rate of favorable response to micafungin treatment was reported in both proven and suspected IC.

Project description:Dexmedetomidine (Precedex™) may be used as an alternative sedative in children, maintaining spontaneous breathing, and avoiding tracheal intubation in a non-intubated moderate or deep sedation (NI-MDS) approach. This open-label, single-arm, multicenter study evaluated the safety of dexmedetomidine in a pediatric population receiving NI-MDS in an operating room or a procedure room, with an intensivist or anesthesiologist in attendance, for elective diagnostic or therapeutic procedures expected to take at least 30 min. The primary endpoint was incidence of treatment-emergent adverse events (TEAEs). Patients received one of two doses dependent on age: patients aged ?28 weeks' gestational age to <1 month postnatal received dose level 1 (0.1 ?g/kg load; 0.05-0.2 ?g/kg/h infusion); those aged 1 month to <17 years received dose level 2 (1 ?g/kg load; 0.2-2.0 ?g/kg/h infusion). Sedation efficacy was assessed and defined as adequate sedation for at least 80% of the time and successful completion of the procedure without the need for rescue medication. In all, 91 patients were enrolled (dose level 1, n = 1; dose level 2, n = 90); of these, 90 received treatment and 82 completed the study. Eight patients in dose level 2 discontinued treatment for the following reasons: early completion of diagnostic or therapeutic procedure (n = 3); change in medical condition (need for intubation) requiring deeper level of sedation (n = 2); adverse event (AE; hives and emesis), lack of efficacy, and physician decision (patient not sedated enough to complete procedure; n = 1 each). Sixty-seven patients experienced 147 TEAEs. The two most commonly reported AEs were respiratory depression (bradypnea; reported per protocol-defined criteria, based on absolute respiratory rate values for age or relative decrease of 30% from baseline) and hypotension. Four patients received glycopyrrolate for bradycardia and seven patients received intravenous fluids for hypotension. SpO2 dropped by 10% in two patients, but resolved without need for manual ventilation. All other reported AEs were consistent with the known safety profile of dexmedetomidine. Two of the 78 patients in the efficacy-evaluable population met all sedation efficacy criteria. Dexmedetomidine was well-tolerated in pediatric patients undergoing procedure-type sedation.

Project description:IntroductionInvasive fungal infections (IFIs) are a significant health problem in immunocompromised patients, resulting in substantial morbidity, mortality, and healthcare costs. Micafungin is a broad-spectrum echinocandin with activity against Candida and Aspergillus spp. This was a multicenter, non-comparative, retrospective observational study that evaluated the effectiveness and tolerability of intravenously administered micafungin for treating IFIs caused by Candida and Aspergillus spp.MethodsAdult patients in China who had received at least one dose of intravenously administered micafungin were eligible. Retrospective data (May 2008-April 2015) were extracted from patients' medical files and recorded using electronic data capture. The primary endpoint was overall success rate (patients with complete or partial response). Subgroup analyses determined effectiveness according to diagnostic certainty, fungal species, type of IFI, duration of micafungin treatment, and daily dose of micafungin. Tolerability, including the incidence of adverse events (AEs), was also assessed.ResultsOverall, 2555 patients who received at least one dose of micafungin were identified. The mean duration of treatment and mean daily dose were 10.2 days and 133.0 mg, respectively. The overall success rate was 60.8%; this was significantly higher in patients who received treatment for at least 1 week (range 67.9-71.6% [mean 69.2%]) compared with less than 1 week (47.8%; P < 0.0001), and those who received 50-100 mg (65.7%) compared with other daily doses (range 42.9-60.1% [mean 59.0%]; P = 0.0011). Success rates in Candida- and Aspergillus-infected patients were similar (61.9% and 56.8%, respectively). AEs and adverse drug reactions were observed in 36.2% and 4.5% of patients, respectively. The majority of AEs were mild, while discontinuation due to AEs was low (2.3%).ConclusionMicafungin is effective and well tolerated for the treatment of patients with IFIs in China, as demonstrated in Candida- and Aspergillus-infected adults. Subgroup analyses highlighted the potential benefits of treating IFIs with micafungin for a minimum of 1 week.Trial registrationClinicalTrials.gov identifier NCT02678598.FundingAstellas Pharma Inc.

Dataset Information

Efficacy and safety of micafungin for the treatment of patients with proven or probable invasive aspergillosis: A non-comparative, multicenter, phase IV, open-label study.

Publications

Efficacy and safety of micafungin for the treatment of patients with proven or probable invasive aspergillosis: A non-comparative, multicenter, phase IV, open-label study.

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