Peginterferon lambda-1a
Single 180 µg subcutaneous injection of peginterferon lambda within 7 days ofsymptom onset or first positive swab if asymptomatic.
Placebo
Single 180 µg subcutaneous injection of saline placebo within 7 days ofsymptom onset or first positive swab if asymptomatic.
COVID 19 outpatients
Adult patients between the ages of 18 and 70 years, confirmed COVID-19 infection by PCR within 5 days of symptom onset (fever, respiratory symptoms, sore throat), and discharged to home isolation.
Double-blind.
Multicenter, 6 institutions in Toronto, Canada.
Because of non identical matching placebo, one of two study personnel administering the medication was aware of the treatmentallocation. After administering the medication, all further follow-up (phone calls and study visits) was completed by study personnel unaware of treatment allocation.