Pink Sheet reporter and editors discuss Richard Pazdur’s call for more diverse opinions in FDA advisory committee meeting open public hearings, agency questions about the stakeholders sponsors consult to execute clinical trial diversity plans, and the pending review of Stealth BioTherapeutics’ application for the Barth Syndrome candidate elamipretide.

The Barth Syndrome candidate application will be reviewed by the FDA, but Stealth BioTherapeutics' CEO tells the Pink Sheet that the company still does not have clear guidance on how or whether it should gather additional clinical data.

GSK, Stealth BioTherapeutics and Blueprint Medicines discuss the difficulties getting participation of physicians, the excessive cost of expanded access, and whether physicians should report research data.

Bill would enable two-year provisional approval of drugs to treat life-threatening illnesses, such as ALS, based on substantial evidence of safety and early evidence of efficacy. At a Senate committee hearing, rare disease advocates said it would remedy the FDA’s inconsistent application of regulatory flexibility, but a bioethicist cautions it would lower the bar for approval.