What are the different phases of drug development?
It can take between 10-15 years and up to $800 million to develop a new drug. However, this costly and time-consuming process ensures that drugs brought to market are both safe and effective. Spaulding Clinical currently conducts Phase I trials. The clinical testing of experimental drugs is typically conducted within the four phases as outlined below. Each successive phase involves a larger number of subjects. Once the FDA has granted a New Drug Approval (NDA), pharmaceutical companies also conduct post marketing or late phase three/phase four studies.
