Finding treatments for COVID-19: A phase 2 multi-centre adaptive platform trial to assess antiviral pharmacodynamics in early symptomatic COVID-19 (PLAT-COV)

We propose to set up and validate a pharmacometric platform to provide quantitative assessment of antiviral effects in low risk adult patients with recent onset uncomplicated COVID-19 and high viral burdens. This assessment is based on measurement of oropharyngeal viral clearance rates.

This will be a randomised, open label, group sequential adaptive platform trial to quantitate the antiviral activity of currently available potential (i.e. repurposed) treatments in low-risk adult patients with early COVID-19, through adjusted qPCR of serial oropharyngeal samples. It will be a mainly outpatient study conducted in three locations; one each in the Americas, Europe and Asia.

The interventions to be evaluated in this first phase are hydroxychloroquine, lopinavir/ritonavir, ivermectin, miglustat, remdesivir, intranasal heparin, with the Regeneron monoclonal antibody cocktail or Peginterferon-lambda as a "positive control".

This will identify drugs with a >90% probability of accelerating virus clearance compared to no treatment and will reject drugs with