Module 5 Product Risk Assessment General Approaches
[Pages:37]Q3D training module 5 Risk Assessment
Module 5
Product Risk Assessment General Approaches
ICH Q3D Elemental Impurities
Disclaimer: This presentation includes the authors' views on Elemental Impurities theory and practice. The presentation does not represent official guidance or policy of authorities or industry.
International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use
Prepared by the Q3D Implementation Working Group for example only; not an official policy/guidance ? ICH 2015
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Q3D training module 5 Risk Assessment
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Prepared by the Q3D Implementation Working Group for example only; not an official policy/guidance ? ICH 2015
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Q3D training module 5 Risk Assessment
Purpose
? To provide an overview of an elemental impurities risk
assessment for a product consistent with ICH Q3D.
? To provide illustrative examples for developing product risk
assessments
o Other approaches may also be acceptable
? The information presented here does not provide new
guidance, rather, it elaborates on how the recommendations in the guidance may be implemented
Prepared by the Q3D Implementation Working Group for example only; not an official policy/guidance ? ICH 2015
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Q3D training module 5 Risk Assessment
Overview
? Potential sources of elemental impurities ? Risk assessment approaches ? Output of elemental risk assessment ? Product risk assessment Process
o Drug product based o Drug product component based
? Evaluation
Prepared by the Q3D Implementation Working Group for example only; not an official policy/guidance ? ICH 2015
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Q3D training module 5 Risk Assessment
Elemental impurity risk assessment process
ICH Q3D defines a science and risk based assessment process to identify, evaluate, and define controls to limit elemental impurities in drug products
? Identify known and potential sources of elemental impurities that may find
their way into the drug product.
? Evaluate the presence of a particular elemental impurity in the drug
product by determining the observed or predicted level of the impurity and comparing with the established PDE.
? Summarize and document the risk assessment. Identify if controls built
into the process are sufficient or identify additional controls to be considered to limit elemental impurities in the drug product.
Prepared by the Q3D Implementation Working Group for example only; not an official policy/guidance ? ICH 2015
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Q3D training module 5 Risk Assessment
Potential sources of elemental impurities
Excipients
Drug Substance
Elemental impurities in Drug Product
Utilities*
Manufacturing Equipment
Container Closure System
* Water is the primary utility of potential concern
The product assessment should consider the potential of each of these categories to contribute elemental impurities to the drug product
Prepared by the Q3D Implementation Working Group for example only; not an official policy/guidance ? ICH 2015
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Q3D training module 5 Risk Assessment
Risk assessment approaches
? Examples of general approaches that may be considered during elemental
impurities risk assessment are:
o These approaches or others may change as information becomes available or additional experience is gained.
? Assessment of potential elemental impurities in the drug product
o Determine or assess the levels of elemental impurities in the final drug product o Depending on the formulation type, an evaluation from the container closure system may also be
required
? Assessment of potential elemental impurities from each component of the
drug product (API, excipients, container closure system)
o Assess each component for potential sources of elemental impurities o Identify known or likely elemental impurities o Determine the contribution of each component or source of elemental impurity to the levels in the
final drug product
? Irrespective of the approach chosen ? consider the elemental impurity
classification and recommendations in Table 5-1 (see following slide)
Prepared by the Q3D Implementation Working Group for example only; not an official policy/guidance ? ICH 2015
7
Q3D training module 5 Risk Assessment
Q3D Table 5-1: Elements to be considered in the risk assessment
Reference this table in the summary of the risk assessment.
Prepared by the Q3D Implementation Working Group for example only; not an official policy/guidance ? ICH 2015
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