Boehringer Ingelheim says it is no longer pursuing an interferon-free combination of faldaprevir and deleobuvir.
Roche also announced first-quarter sales shrank 1%.
The latest IMS Institute for Healthcare Informatics assessment of 2013's prescription drug use shows that 2.3% of prescriptions account for 30% of a patient's out-of-pocket prescription costs.
Physicians Desk Reference is on a mission to expand its image beyond just being that heavy book doctors consult for information
Phase-II results indicate Merck's all-in-one HCV oral could put pressure on Gilead.