Posted 13 December 2017
By Julie Aker, MT(ASCP)
This article presents the background, approaches and regulatory considerations for prescription to Over-the-Counter (Rx-to-OTC) switch programs. The US Food and Drug Administration (FDA) has conservative expectations for the studies supporting a switch in terms of methodologies and sample sizes. Because of this, other countries will sometimes give consideration of consumer studies conducted in foreign countries on a case-by-case basis, in place of studies conducted in the local country.