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Clin Infect Dis ; 2021 Jan 19.
Artigo em Inglês | MEDLINE | ID: mdl-33462580


BACKGROUND: Dengue is the most significant mosquito-borne viral disease; there are no specific therapeutics. The antiparasitic drug ivermectin efficiently inhibits the replication of all 4 dengue virus serotypes in vitro. METHODS: We conducted 2 consecutive randomized, double-blind, placebo-controlled trials in adult dengue patients to evaluate safety and virological and clinical efficacies of ivermectin. After a phase 2 trial with 2 or 3 days of 1 daily dose of 400 µg/kg ivermectin, we continued with a phase 3, placebo-controlled trial with 3 days of 400 µg/kg ivermectin. RESULTS: The phase 2 trial showed a trend in reduction of plasma nonstructural protein 1 (NS1) clearance time in the 3-day ivermectin group compared with placebo. Combining phase 2 and 3 trials, 203 patients were included in the intention to treat analysis (100 and 103 patients receiving ivermectin and placebo, respectively). Dengue hemorrhagic fever occurred in 24 (24.0%) of ivermectin-treated patients and 32 (31.1%) patients receiving placebo (P = .260). The median (95% confidence interval [CI]) clearance time of NS1 antigenemia was shorter in the ivermectin group (71.5 [95% CI 59.9-84.0] hours vs 95.8 [95% CI 83.9-120.0] hours, P = .014). At discharge, 72.0% and 47.6% of patients in the ivermectin and placebo groups, respectively had undetectable plasma NS1 (P = .001). There were no differences in the viremia clearance time and incidence of adverse events between the 2 groups. CONCLUSIONS: A 3-day 1 daily dose of 400 µg/kg oral ivermectin was safe and accelerated NS1 antigenemia clearance in dengue patients. However, clinical efficacy of ivermectin was not observed at this dosage regimen.

Transpl Infect Dis ; : e13344, 2020 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-32479709


Neocosmospora pseudensiformis (formerly Fusarium pseudensiforme) is a hyaline mold in the Fusarium solani species complex that has been changed to the genus Neocosmospora. Invasive fusariosis is a rare fungal infection in solid organ transplantation. The most commonly reported manifestation of invasive fusariosis in this setting is localized cutaneous fusariosis. Here, we present the first case report of isolated N pseudensiformis pulmonary infection in a patient with non-alcoholic steatohepatitis cirrhosis who underwent orthotopic liver transplantation. A 67-year-old Thai woman developed acute graft rejection, dyspnea, and pulmonary consolidation 6 months after liver transplantation. N pseudensiformis was isolated from her sputum, and her clinical symptoms were improved with voriconazole treatment. However, she succumbed to Acinetobacter baumannii hospital-acquired pneumonia and acute coronary syndrome with cardiogenic shock after 10 days of treatment.