FDA Policy/General

PBPK Modeling Workshop Announced

Federal Register notice: FDA has announced an 11/18 The public workshop entitled “Development of Best Practices in Physiologically Based Pharmacokinetic (PBPK) Modeling to Support Clinical Pharmacology Regulatory Decision-Making.” The workshop is intended to discuss best practices and evidentiary criteria for using such modeling approaches; share experiences and cases where applying PBPK modeling and simulation highlight the opportunities and limitations of this approach; obtain input from stakeholders on when, where, how, and with what limitations PBPK modeling and simulation may be applied in regulatory ecision-making; and discuss the knowledge gaps and research needed to advance these modeling sciences in drug development. To view the notice, click here.

Rasonque OK’d Across KRAS Mutations Despite Clinical Response Differences

FDA granted approval to Revolution Medicines' Rasonque (daraxonrasib) for metastatic pancreatic cancer despite substantial differences in treatment responses among patients with different KRAS mutations and limited evidence of effectiveness in patients without RAS mutations, according to a newly released approval document. The 321-page review shows that FDA considered

FDA Safety Concerns Complicate Plan to Expand Peptide Compounding

The Trump Administration is developing a temporary policy that would allow compounding pharmacies to dispense certain unapproved peptides despite earlier FDA scientific assessments finding insufficient evidence of their safety and effectiveness, setting up a potential conflict between administration policy and the agency's scientific reviewers. Federal officials are considering

DoJ Enforcement Directive Signals More Scrutiny of FDA-Regulated Firms

A new Department of Justice directive identifying violations of the Federal Food, Drug, and Cosmetic Act (FDCA) among potential targets for fraud enforcement could expose FDA-regulated firms to increased federal investigations and criminal prosecutions, according to an analysis by attorneys at Holland & Knight. The 10/1 directive outlines

Guide on Biosimilar Postapproval Manufacturing Changes

FDA has released a final guidance entitled “Postapproval Manufacturing Changes to Biosimilar and Interchangeable Biosimilar Products — Questions and Answers.” The document explains how manufacturers should document and report changes to approved biosimilars, including changes involving manufacturing processes, production facilities, dosage forms and strengths. Regarding information required for postapproval manufacturing changes,

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Rasonque OK’d Across KRAS Mutations Despite Clinical Response Differences

FDA Safety Concerns Complicate Plan to Expand Peptide Compounding

DoJ Enforcement Directive Signals More Scrutiny of FDA-Regulated Firms

Guide on Biosimilar Postapproval Manufacturing Changes