D) A and B
Safety and Efficacy
B) Evaluating safety and efficacy
B) Release rate and duration
B) Drug release rate
C) Drug absorption and effectiveness
B) Dosage and delivery mechanism
C) Protecting drug innovation
B) Improving patient compliance
Think methylphenidate and have to take it multiple times a day until ER was made.
B) Addressing safety concerns
B) Determining drug efficacy