How to Prepare for a Pharma Audit – A Practical Checklist

An audit is rarely a surprise for a well-run plant. It is a test of whether the records, equipment, and people behind your products match what your procedures say. Manufacturers who prepare in advance answer questions calmly. Those who do not spend the audit searching for documents.

Preparing for a pharma audit is mostly about keeping your records accurate every day, not about the week before the inspector arrives. This checklist covers what auditors typically review and where manufacturers most often run into trouble.

Types of Pharma Audits

Not all audits are the same, and each one looks at different things:

Regulatory inspections are carried out by authorities such as CDSCO, or by foreign regulators for export markets. They check compliance with GMP and the conditions of your license.

Customer audits are carried out by buyers, often before they place a contract or renew one. They look at your quality system and how you handle complaints and deviations.

Internal audits are carried out by your own quality team. They are the best rehearsal for the others, because they find gaps while there is still time to fix them.

Documents: Know Where Everything Is

Auditors begin with documents. They expect to find current versions of standard operating procedures (SOPs), approved specifications, batch manufacturing records, and change control records. Each one should be easy to retrieve.

Check three things before any audit. Make sure every SOP in use is the current approved version. Confirm that old versions are withdrawn. Confirm that every batch record can be traced to its raw materials and test results.

Laboratory Data Integrity

For a pharma manufacturer, the laboratory is often where an audit goes deepest. Auditors look at data integrity, which means checking that results are attributable, legible, contemporaneous, original, and accurate. Electronic systems need audit trails that cannot be switched off or edited without a record.

Common gaps include:

• Test results written on paper and never transcribed into the system

• Audit trails that were reviewed late or not at all

• Shared user logins on instruments and data systems

• Out-of-specification results that were retested without an investigation

Each gap can turn a minor observation into a major one.

Equipment and Calibration

Auditors check whether equipment is qualified and calibrated, and whether the calibration is current. A balance or HPLC that is out of calibration can invalidate every result it produced since its last valid check. Keep calibration certificates accessible and make sure the calibration schedule is being followed.

People and Training

Every analyst and operator should have training records that match the tasks they perform. Auditors may ask an employee to explain a procedure in their own words. If the answer does not match the SOP, that is a finding, even if the work itself was correct.

Deviations, Investigations and CAPA

No plant runs without deviations. What matters is how they are handled. Each deviation should have a documented investigation, a root cause where possible, and a corrective and preventive action (CAPA) with an owner and a deadline. Auditors often look at a sample of past deviations to judge whether the system works.

Mock Audits Before the Real One

A mock audit is one of the most useful preparations a plant can carry out. Ask someone who did not write the procedures to walk through the site, pick records at random, and ask questions. The gaps they find are the gaps an inspector would find.

Pre-Audit Checklist

• SOPs in use are current and approved, and old versions are withdrawn

• Batch records can be traced to raw materials and test results

• Laboratory data has intact audit trails and no shared logins

• Equipment calibration certificates are current and accessible

• Training records match each person's tasks

• Recent deviations have documented investigations and CAPA

• A mock audit has been completed and the gaps closed

• One person is named to coordinate the audit and answer routing questions
  

How Hetero Analytical Supports Your Audit Readiness

Our laboratory works under NABL accreditation to ISO/IEC 17025:2017, with records and reports designed for review. If your audit will ask questions about analytical results, our team can help you understand what documentation the lab can provide and how to present it.

Contact Hetero Analytical Solutions LLP to discuss the analytical records your next audit may need.

Hetero Analytical Solutions LLP Changodar, Ahmedabad, Gujarat +91 98166 18822 heteroanalytical.com