What are four different types of FDA audits?

The FDA conducts several types of audits, including:

1. Pre-Approval Inspections (PAIs) to evaluate facilities before drug approvals.
2. Routine Inspections to assess compliance with Good Manufacturing Practices (GMP).
3. For-Cause Inspections triggered by specific issues or complaints regarding a facility or product.
4. Bioresearch Monitoring Inspections to review compliance in clinical trials and research activities.