USA | Revised FDA Guidance on Expanded Access to Investigational Drugs for Treatment Use: Questions and Answers Gallery USA | Revised FDA Guidance on Expanded Access to Investigational Drugs for Treatment Use: Questions and Answers 2022, Members-Only, Moderate Update, November 2022, USA USA | Revised FDA Guidance on Expanded Access to Investigational Drugs for Treatment Use: Questions and Answers Please login to view this page. USA | Revised FDA Guidance on Expanded Access to Investigational Drugs for Treatment Use: Questions and Answersstuart.mccully2022-12-17T09:35:06+00:00