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GMP or ISO – What’s the Difference?

Most laboratories operate to either ISO17025 or Good Laboratory Practice (GLP) accreditation depending on scope and areas of activity. An intriguing aspect of pharmacopeial testing from a laboratory perspective is the request for Good Manufacturing Practice (GMP) accreditation. This stems from the fact that most pharmaceutical products are subject to release testing, making the testing process an integral part of the manufacturing process, in which GMP is generally expected by the customer.

Fera Science Ltd., (Fera) stands out by having ISO17025, ISO9001, and having elements of laboratory work accredited to GLP. However, irrespective of the specific accreditations, certain expectations and demands should be placed on any laboratory partner, including the implementation of validated methods across a wide variety of matrices. Key criteria for these methods include:

  • Specificity – the method should be selective to the analyte of interest and avoid interference from similar compounds. For example, limiting/reducing co-elution of compounds in HPLC methods that could give inaccurate results.
  • Accuracy and Precision – producing results that are reproducible and as close to the “true value” as possible. Think of a dart player hitting triple 20 3 times.
  • Analytical range – the method works across an appropriate range of expected concentrations in the product.
  • Limits of Detection & Quantification – the method goes to a sufficiently low enough concentration to meet regulatory & safety requirements.
  • Robust – the method is unaffected by minor shifts in parameters which may be necessitated by testing multiple different matrices.
  • Repeatability – consistency in results when the same analyst, equipment and laboratory is used.
  • Reproducibility – consistency across different laboratories or analysts. Does the method only work in very specific conditions with one specific analyst?

Any competent laboratory would have a method validation pack demonstrating how a method performs against the above criteria. Whilst GMP may be requested, methods still need to hold up to a higher standard.

Aspect

GMP (Good Manufacturing Practice)

ISO 9001 (Quality Management Systems)

ISO 17025 (General Requirements for the Competence of Testing and Calibration Laboratories)

Key Differences

Industry Focus

Pharmaceutical, Medical Devices, Food

Cross-Industry, applicable to various sectors

Testing and Calibration Laboratories

GMP: Industry-specific regulations; ISO 9001: Cross-sector applicability; ISO 17025: Laboratory-focused standards

Regulatory Requirement

Mandatory, enforced by regulatory bodies

Voluntary standard, not legally mandated

May be required by accreditation bodies, not a legal mandate

GMP: Mandatory compliance for regulated labs; ISO 9001: Voluntary adherence; ISO 17025: Potential requirement for lab accreditation

Scope

Specific to manufacturing processes

Organisational quality management across all processes

Specific to testing and calibration laboratories

GMP: Focus on product manufacturing; ISO 9001: Comprehensive organisational quality management; ISO 17025: Laboratory-specific criteria

Focus

Product-centric, ensuring product safety

Process-centric, promoting continual improvement

Ensuring technical competency in testing and calibration services

GMP: Safety and product-centric compliance; ISO 9001: Organisational improvement; ISO 17025: Technical competence for labs

Application

Product manufacturing, handling, and storage

Organisational quality management across all functions

Testing and calibration laboratory operations

GMP: Applied to product handling and manufacturing; ISO 9001: Applicable across various organisational functions; ISO 17025: Lab-specific operations

Objective

Ensure product safety, consistency

Enhance organisational efficiency and customer satisfaction

Ensure competency in testing and calibration services

GMP: Emphasis on safety and consistency; ISO 9001: Focus on organisational efficiency; ISO17025: Technical competency

Compliance

Regulated by specific industry-based bodies e.g., MHRA, FDA, EMA

Voluntary and self-regulated adherence to ISO standards.

Adherence to ISO standards and potential customer accreditation requirements

GMP: Compliance regulated by specific industry bodies; ISO 9001: Voluntary adherence; ISO 17025: Potential accreditation requirements at labs

Certification or Compliance Body MHRA, FDA, EMA, industry-specific regulatory bodies Conformity assessment bodies like UKAS (United Kingdom Accreditation Service) Conformity assessment bodies like UKAS (United Kingdom Accreditation Service) GMP: Specific regulatory bodies; ISO 9001: International standardisation organisation; ISO 17025: Accreditation and conformity assessment bodies

In conclusion, the choice between GMP, ISO9001, and ISO17025 accreditation depends on the laboratory's scope and activities, with Fera Science Ltd. notably holding ISO17025, ISO9001, and elements of GLP accreditation. Regardless of specific accreditations, laboratories should adhere to key criteria in method validation, including specificity, accuracy, precision, analytical range, limits of detection and quantification, robustness, repeatability, and reproducibility. Meeting these criteria is essential for any competent laboratory, even when Good Manufacturing Practice (GMP) accreditation is requested, emphasising the importance of upholding high standards in testing processes.

Find out more about our services here: https://www.fera.co.uk/medical-cannabis-testing