module 5 quality by design qbd - dcvmnquality by design (qbd) – a systematic approach that begins...
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MODULE 5
QUALITY BY DESIGN
QbD
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Quality by Design (QbD) – A systematic approach that begins with predefined objectives,emphasizes product/process understanding and process control, and is based on sound science and quality risk management. The QbD approach allows one to build in the quality through product lifecycle rather than testing it.
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Identification
Evaluationclar
ifica
tion
FMEAHACCP
Assessment
Control
Result
Communication
Reduction
Acceptance
Approval
Result
Periodic Review
Quality commitee
Solutions.
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8
Identification of Critical Material Attributes
Risk Priority Scoring
QbD Matrix
Strategy
Continuous improvement
Peer reviewWeight
Design space
WORKFLOW QUALITY BY DESIGN
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Identification of Critical Material Attributes
1. identify attributes impacting the products through the processing steps.
2. Review the acceptance criteria and evaluate by a risk assessment the impact on the product.
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Risk Priority Scoring
1. Identify the process parameters that will impact the quality attribute
2. Define a scale of impact.3. Assign an impact for the parameter.4. The impact represents the severity of the
effect.
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Definition of Scoring
Variation of the parameter
Impact on the CriticalQuality Attribute
NEGLIGIBLE 1
RPN
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Definition of Scoring
Variation of the parameter
LOW 2
RPN
Impact on the CriticalQuality Attribute
Keeping the parameter within the defined limits ensures the process is run consistently and provides a quality product.
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Definition of Scoring
Variation of the parameter
MODERATE 3
RPN
Impact on the CriticalQuality Attribute
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Definition of Scoring
Variation of the parameter
CRITICAL 4
RPN
Impact on the CriticalQuality Attribute
Small variability has an impact on a critical quality attribute.
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Weight
Similar processes
Level of confidence in the evaluation
Severity of the impact
W
ETC...
ENABLER
New technology VS Proven tgy
Weight from 1 to 4
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IMPACT
1 2 3 4 Critical process parameter
WEI
GH
T
1
2 Key process parameter
3
4 Process parameter
QbD Matrix
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Mixing Adjustement Filtration Sterilization Centifugation Filling Inspection Packaging et.c
PARA
MET
ER
Parameters to be evaluated ........
IN YOUR JOBS, WHAT ARE THE PARAMETERS TO BE CONSIDERED ?