There was another RCT about six weeks ago released that showed that a combination of Lopinavir/Ritonavir, Ribavirin, and Interferon Beta 1a beat just Lopinavir/Ritonavir in time to PCR negative (7 days vs. 12 days). Presumably this was either due to the Interferon or the Ribavirin.
https://www.thelancet.com/journals/lancet/article/PIIS0140-6...