With so many biopharmaceuticals obtaining breakthrough or fast-track designations, companies that use accelerated strategies to be first in human studies can be left with significant quality and manufacturing challenges that must be solved later on. Despite regulatory encouragement to create solid design spaces and define parameters according to quality by design (QbD), those may go by the wayside given the pressures of speed. The reward is the investigational new drug (IND) application itself — but if companies lock in subpar…