Harmonization of Dementia Drug Guidelines (United States and Europe): a report of the International Working Group for the Harmonization for Dementia Drug Guidelines.

The International Working Group for the Harmonization of Dementia Drug Guidelines has been active for more than 5 years attempting to improve the efficiency of international drug development. A virtual organization was formed of clinicians, scientists, industries, participants, and regulators from various nations around the world. This article summarizes a variety of conferences and physicians' papers focusing on aspects of trials ranging from diagnosis, assessment, and trial design to pharmacoeconomics and ethics.