Analytical Method Transfer Between Laboratories

Analytical method transfer demonstrates that a receiving laboratory can perform a procedure with acceptable performance.

Transfer prerequisites

Before transfer, confirm:

• approved method version
• validated intended use
• available reference standards
• instrument compatibility
• analyst training
• column availability
• software configuration
• sample and impurity availability

Transfer approaches

Common approaches include:

• comparative testing
• co-validation
• partial or full revalidation
• documented waiver with scientific justification

Comparative testing

Both laboratories test shared samples using the same method. Predefined acceptance criteria may cover assay difference, impurity agreement, precision, retention, resolution, and system suitability.

Instrument differences

Different dwell volume, detector cell volume, tubing, software, or pressure capability can alter results. These differences should be assessed before the formal transfer exercise.

Failure investigation

A failed transfer should not automatically be attributed to the receiving analyst. Potential causes include hidden method assumptions, inadequate instructions, column differences, sample instability, or instrument mismatch.

Frequently asked questions

Is transfer required when the same company uses another site?

Yes, when the method moves to a different laboratory and performance must be demonstrated.

Can method verification replace transfer?

Sometimes, depending on the method source and intended use.

Should acceptance criteria be created after results are seen?

No. Criteria should be predefined.

Does training alone prove successful transfer?

No. Comparative performance must be demonstrated.

Key takeaways

Method transfer is a controlled demonstration of laboratory capability. Success depends on clear procedures, representative samples, compatible instruments, predefined criteria, and scientific investigation of differences.

References

1. ICH Q2(R2). Validation of Analytical Procedures.
2. ICH Q14. Analytical Procedure Development.
3. FDA. Analytical Procedures and Methods Validation for Drugs and Biologics.

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TSMS Labs educational disclaimer: For laboratory research and educational purposes only. Not for human consumption. This content is not medical, clinical, or regulatory advice.