How to Identify Critical Quality Attributes and Critical ...

How to Identify Critical Quality Attributes and Critical Process Parameters

Jennifer Maguire, Ph.D. Daniel Peng, Ph.D.

Office of Process and Facility (OPF) OPQ/CDER/FDA

FDA/PQRI 2nd Conference North Bethesda, Maryland

October 6, 2015

Opinions expressed in this presentation are those of the speakers and

do not necessarily reflect the views or policies of the FDA

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Outline

Brief introduction on Quality by Design (QbD) Example approach to identify critical quality

attributes (CQA) Example approach to identify critical material

attributes (CMA) and critical process parameters (CPP) Illustrative examples Concluding remarks

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What is Quality by Design (QbD)?

A systematic approach to development that begins with predefined objectives and emphasizes product and process understanding and process control, based on sound science and quality risk management. (ICH Q8 R2)

Predefined objectives Product and process understanding

Process control Sound science

Systematic Approach

Define Quality Target Product Profile (QTPP) Identify Critical Quality Attributes (CQA) Identify critical material attributes (CMA*) and

critical process parameters (CPP) Establish the functional relationships that link

CMA/CPP to CQA Develop appropriate Control Strategy, including

justifications Science-driven development (scientific literature,

prior knowledge, DOEs etc.)

Quality risk management Risk-based development (ICH Q9)

* CMA definition will be given later.

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What is a Quality Target Product Profile (QTPP)?

ICH Q8(R2) Definition: A prospective summary of the quality characteristics of a drug product that ideally will be achieved to ensure the desired quality, taking into account safety and efficacy.

TPP: labeled use, safety

and efficacy

QTPP: quality characteristics

to ensure safety and efficacy as

promised in the label

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Guidance for Industry Q8, Q9, & Q10 Questions and Answers

The Quality Target Product Profile (QTPP) provides an understanding of what will ensure the quality, safety, and efficacy of a specific product for the patient

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