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1.
J Infect Chemother ; 28(4): 548-553, 2022 Apr.
Article in English | MEDLINE | ID: covidwho-1587254

ABSTRACT

INTRODUCTION: COVID-19 patients have been reported to have digestive symptoms with poor outcome. Ivermectin, an antiparasitic drug, has been used in COVID-19 patients. The objective of this study was to evaluate whether ivermectin has effects on gastrointestinal complications and ventilator-free days in ventilated patients with COVID-19. METHODS: COVID-19 patients who were mechanically ventilated in the ICU were included in this study. The ventilated patients who received ivermectin within 3 days after admission were assigned to the Ivermectin group, and the others were assigned to the Control group. Patients in the Ivermectin group received ivermectin 200 µg/kg via nasal tube. The incidence of gastrointestinal complications and ventilator-free days within 4 weeks from admission were evaluated as clinical outcomes using a propensity score with the inverse probability weighting method. RESULTS: We included 88 patients in this study, of whom 39 patients were classified into the Ivermectin group, and 49 patients were classified into the Control group. The hazard ratio for gastrointestinal complications in the Ivermectin group as compared with the Control group was 0.221 (95% confidence interval [CI], 0.057 to 0.855; p = 0.029) in a Cox proportional-hazard regression model. The odds ratio for ventilator-free days as compared with the Control group was 1.920 (95% CI, 1.076 to 3.425; p = 0.027) in a proportional odds logistic regression model. CONCLUSIONS: Ivermectin improved gastrointestinal complications and the number of ventilator-free days in severe COVID-19 patients undergoing mechanical ventilation. Prevention of gastrointestinal symptoms by SARS-Cov-2 might be associated with COVID-19 outcome.


Subject(s)
COVID-19 , Gastrointestinal Diseases , COVID-19/complications , COVID-19/drug therapy , Gastrointestinal Diseases/drug therapy , Humans , Ivermectin/adverse effects , Propensity Score , Respiration, Artificial , SARS-CoV-2
2.
Antimicrob Agents Chemother ; 64(12)2020 11 17.
Article in English | MEDLINE | ID: covidwho-939841

ABSTRACT

Favipiravir is an oral broad-spectrum inhibitor of viral RNA-dependent RNA polymerase that is approved for treatment of influenza in Japan. We conducted a prospective, randomized, open-label, multicenter trial of favipiravir for the treatment of COVID-19 at 25 hospitals across Japan. Eligible patients were adolescents and adults admitted with COVID-19 who were asymptomatic or mildly ill and had an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. Patients were randomly assigned at a 1:1 ratio to early or late favipiravir therapy (in the latter case, the same regimen starting on day 6 instead of day 1). The primary endpoint was viral clearance by day 6. The secondary endpoint was change in viral load by day 6. Exploratory endpoints included time to defervescence and resolution of symptoms. Eighty-nine patients were enrolled, of whom 69 were virologically evaluable. Viral clearance occurred within 6 days in 66.7% and 56.1% of the early and late treatment groups (adjusted hazard ratio [aHR], 1.42; 95% confidence interval [95% CI], 0.76 to 2.62). Of 30 patients who had a fever (≥37.5°C) on day 1, times to defervescence were 2.1 days and 3.2 days in the early and late treatment groups (aHR, 1.88; 95% CI, 0.81 to 4.35). During therapy, 84.1% developed transient hyperuricemia. Favipiravir did not significantly improve viral clearance as measured by reverse transcription-PCR (RT-PCR) by day 6 but was associated with numerical reduction in time to defervescence. Neither disease progression nor death occurred in any of the patients in either treatment group during the 28-day participation. (This study has been registered with the Japan Registry of Clinical Trials under number jRCTs041190120.).


Subject(s)
Amides/administration & dosage , Antiviral Agents/administration & dosage , COVID-19/drug therapy , Pyrazines/administration & dosage , SARS-CoV-2/drug effects , Viral Load/drug effects , Adolescent , Adult , Amides/adverse effects , Antiviral Agents/adverse effects , Asymptomatic Diseases , COVID-19/physiopathology , COVID-19/virology , Female , Hospitalization , Humans , Hyperuricemia/chemically induced , Hyperuricemia/diagnosis , Hyperuricemia/physiopathology , Japan , Male , Middle Aged , Prospective Studies , Pyrazines/adverse effects , Random Allocation , SARS-CoV-2/pathogenicity , Secondary Prevention/organization & administration , Severity of Illness Index , Time-to-Treatment/organization & administration , Treatment Outcome
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