Pharma Interview Questions & Answers Based on FDA 483 Observations

Pharma Interview Questions & Answers Based on FDA 483 Observations

1. Q: Why are dedicated sampling and dispensing areas important?
A: These areas prevent cross-contamination. When shared with other products without cleaning or verification, there’s a risk of residue carryover, which can compromise product quality and patient safety.

2. Q: What is the requirement for air handling systems in multi-product facilities?
A: Air handling systems must prevent cross-contamination. They should be validated, monitored, and cleaned to ensure no product residues are carried between batches or product types.

3. Q: What elements should be included in a cross-contamination prevention plan?
A: A robust plan includes routine monitoring of air, surfaces, equipment, and personnel. It also involves cleaning validation, periodic verification, and clear SOPs to demonstrate the effectiveness of contamination control.

4. Q: What considerations are needed in cleaning validation for high-potency drugs?
A: Cleaning validation must account for drug potency, solubility, and toxicity. Acceptance limits should be scientifically justified (e.g., LOD, LOQ, MACO), and the unique nature of each product must be evaluated.

5. Q: Why is product changeover monitoring important?
A: Monitoring for residues after product changeover ensures cleaning effectiveness. Without this, residual APIs may remain, posing a cross-contamination risk to subsequent batches.

6. Q: What is the significance of using decontamination agents?
A: Decontamination agents help ensure that equipment is free from residues before manufacturing another product. Skipping this step may lead to contamination in future batches.

7. Q: What are the expectations for filters and dust collectors in production areas?
A: Dust collectors and air filters should be periodically tested to ensure they do not recirculate contaminated air. Non-tested filters may allow contamination of critical areas.

8. Q: Why is periodic testing of shared equipment important?
A: Shared equipment must be periodically tested or requalified to confirm no carryover occurs. Without this, product integrity and compliance may be compromised.

9. Q: How should contamination-related complaints be handled?
A: Complaints should be thoroughly investigated, tracing possible cross-contamination sources like equipment, air, or operator practices. Effective CAPA must be implemented.

10. Q: What is the risk of inadequate gowning procedures?
A: Inadequate gowning can lead to human-borne contamination. Proper gowning and de-gowning protocols are essential when entering or re-entering production areas to maintain product safety.