The trial with the new ribavirin arm is the one where VRTX recently dropped the lowest dose of VX-222 due to viral breakthrough (#msg-55917569).
VRTX’s decision to add ribavirin is in sync with BI, who is already using ribavirin in its combination study of BI 201335 and BI 207127 (#msg-56271789).
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”