Note the FDA Is looking for drugs that work in combo with other drugs, assuming, I guess, that’s where success lies.
Defining the mechanism of action • Establishing specific antiviral activity of the investigational product • Assessing the potential for antagonism of other antiviral products that might be used in combination with the investigational product • Providing data on the development of viral resistance to the investigational product • Providing data that identify cross-resistance to approved antiviral products having the same target