Peginterferon Lambda-1a for treatment of outpatients with uncomplicated COVID-19: a randomized placebo-controlled trial.

Type III interferons have been touted as promising therapeutics in outpatients with coronavirus disease 2019 (COVID-19). We conducted a randomized, single-blind, placebo-controlled trial (NCT04331899) in 120 outpatients with mild to moderate COVID-19 to determine whether a single, 180 mcg subcutaneous dose of Peginterferon Lambda-1a (Lambda) within 72 hours of diagnosis could shorten the duration of viral shedding (primary endpoint) or symptoms (secondary endpoint). In both the 60 patients receiving Lambda and 60 receiving placebo, the median time to cessation of viral shedding was 7 days (hazard ratio [HR] = 0.81; 95% confidence interval [CI] 0.56 to 1.19). Symptoms resolved in 8 and 9 days in Lambda and placebo, respectively, and symptom duration did not differ significantly between groups (HR 0.94; 95% CI 0.64 to 1.39). Both Lambda and placebo were well-tolerated, though liver transaminase elevations were more common in the Lambda vs. placebo arm (15/60 vs 5/60; p = 0.027). In this study, a single dose of subcutaneous Peginterferon Lambda-1a neither shortened the duration of SARS-CoV-2 viral shedding nor improved symptoms in outpatients with uncomplicated COVID-19.

Citation

Prasanna Jagannathan, Jason R Andrews, Hector Bonilla, Haley Hedlin, Karen B Jacobson, Vidhya Balasubramanian, Natasha Purington, Savita Kamble, Christiaan R de Vries, Orlando Quintero, Kent Feng, Catherine Ley, Dean Winslow, Jennifer Newberry, Karlie Edwards, Colin Hislop, Ingrid Choong, Yvonne Maldonado, Jeffrey Glenn, Ami Bhatt, Catherine Blish, Taia Wang, Chaitan Khosla, Benjamin A Pinsky, Manisha Desai, Julie Parsonnet, Upinder Singh. Peginterferon Lambda-1a for treatment of outpatients with uncomplicated COVID-19: a randomized placebo-controlled trial. Nature communications. 2021 Mar 30;12(1):1967

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PMID: 33785743

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