The executives from Bristol Myers Squibb, Johnson & Johnson and Merck spent almost three hours in front of the committee going back and forth about pricing practices and how the companies spend their money.
The FDA found quality control lapses at the Bloomington, Indiana factory of contract drug manufacturer Catalent, including discovery of a 'pest' on the manufacturing line.
The plant will create more than 150 new highly skilled jobs to focus on manufacturing T-cell therapies to enable clinical trials to be conducted around the world.