Justin Spivey1, Rebekah Wrenn1, Beiyu Liu2, Eileen Maziarz3, Bridgette Kram1. 1. Department of Pharmacy, Duke University Hospital, Durham, NC, USA. 2. Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, NC, USA. 3. Department of Medicine (Infectious Diseases Division), Duke University Hospital, Durham, NC, USA.
Abstract
WHAT IS KNOWN AND OBJECTIVE: Invasive fungal infections often occur in patients with comorbidities that complicate oral administration. Serum concentrations of isavuconazole were characterized after enteral tube administration. CASE DESCRIPTION: Thirteen of 14 isavuconazole concentrations were >1 mg/dl (median 1.6 mg/dl) among those receiving enteral tube administration, which was comparable to intravenous (median 1.9 mg/dl). Higher concentrations were observed during oral administration (median 3 mg/dl). WHAT IS NEW AND CONCLUSION: Administration of isavuconazole via tube resulted in concentrations comparable to FDA-approved routes of administration. This route may be feasible and appropriate for select patients.
WHAT IS KNOWN AND OBJECTIVE:Invasive fungal infections often occur in patients with comorbidities that complicate oral administration. Serum concentrations of isavuconazole were characterized after enteral tube administration. CASE DESCRIPTION: Thirteen of 14 isavuconazole concentrations were >1 mg/dl (median 1.6 mg/dl) among those receiving enteral tube administration, which was comparable to intravenous (median 1.9 mg/dl). Higher concentrations were observed during oral administration (median 3 mg/dl). WHAT IS NEW AND CONCLUSION: Administration of isavuconazole via tube resulted in concentrations comparable to FDA-approved routes of administration. This route may be feasible and appropriate for select patients.
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