Based on a review of Phase II data and market dynamics in the hepatitis C arena, Merck & Co. Inc. announced Sept. 29 that it will discontinue a pair of HCV combination therapy development programs, more or less ceding the space to leader Gilead Sciences Inc. and follower AbbVie Inc.
The announcement is the final wave of a reassessment of the HCV market. Earlier this year, Merck took a $2.9bn...








