rocky mountain raps process validation presentation 6/7/06 by clay anselmo
TRANSCRIPT
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Rocky Mountain RAPS
Process ValidationPresentation
6/7/06
By Clay Anselmo
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Learning Objectives
Understand the purpose of process validation. Understand the key components of a good process
validation (IQ, OQ, PQ). Understand how these elements and their definitions
have changed over the years. Be able to categorize processes and determine the
extent of validation required. Understand documentation requirements for
validation and the process for storage and retrieval of these documents.
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Concepts and Definitions
Let’s be perfectly clear!
◦ Process Validation (QSR): Establishing by objective evidence (documented) that a process consistently produces a result or product meeting its pre-determined specifications.
◦ Design (Product) Validation: Establishing by objective evidence (documented) that device specifications conform with user needs and intended use(s).
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Concepts and Definitions
Verification: Confirmation by examination and provision of objective evidence that specified requirements have been fulfilled.
Prospective Validation: A validation that establishes documented evidence that a product or process conforms to its specifications prior to final release of the product or process.
Retrospective Validation: A validation that establishes evidence that a product or process performs to its specifications based on a review and analysis of historical performance data.
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Concepts and Definitions
Installation Qualification (IQ):◦Installation and Installation Conditions
(electrical, air, water, etc.)◦Calibration and Preventive Maintenance◦Safety Features◦Complete Documentation including
equipment and software◦Environmental Conditions◦Training◦Does NOT typically require statistically based
sampling or data analysis
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Concepts and Definitions
Operational Qualification (OQ):◦Show equipment functionality over the range
of specifications◦Show equipment stability and capability in
worst case conditions (considering all process inputs) Equipment settings Raw material Supply variations (air, water, etc.)
◦Establishment of action and alert limits as appropriate
◦Confirmation of failure modes◦Uses valid statistical methods for analysis of
data and variation
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Concepts and Definitions
Performance Qualification (PQ): ◦Demonstrate longer-term stability and
capability of the process under nominal conditions
◦Evaluates acceptability of product against specification
◦Utilizes valid sampling and statistical techniques Multiple Lots Multiple Operators
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Concepts and Definitions
WHEN IS IT NECESSARY TO PERFORM VALIDATION?◦21 CFR 820.75 – Where the results of a
process cannot be fully verified by subsequent inspection and test, the process shall be validated with a high degree of assurance…
◦ ISO 13485:2003 – The organization shall validate any processes for production and service provision where the resulting output cannot be verified by subsequent monitoring and measurement. This includes any processes where deficiencies become apparent only after the product is in use or the service has been delivered.
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GHTF Flow Chart
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Concepts and Definitions
What/When Processes Should be Validated?◦ End product tests that verify device conformance to
specifications and requirements◦ When destructive testing is required to show product
conformance to specification◦ When even state-of-the-art testing methods cannot
demonstrate conformance to specification◦ Process capability is unknown or it is suspected that the
process is barely capable of meeting device specifications
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Validation Overview
Define product requirements and specifications
Define process inputs/outputs and specifications
Plan the validation process
Develop Protocols◦ Test Method Verification /
Validation Measuring equipment suitability
(i.e. – gage R&R)◦ IQ – Installation Qualification◦ OQ – Operational Qualification◦ PQ – Performance Qualification
Execute Protocols
Compile and Analyze Data
Corrective Action and Re-execution as Necessary
Create / Approve Final Report
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Validation Planning Elements
Why Create a Validation Plan◦ Allows quick overview of validation activities◦ Reduced approval cycle iteration
Pre-Requisites◦ Clear Requirements/Specifications◦ Basic Test Methods (verified or validated)
Test Definition/Description◦ Plan should include a clear description of each set
of tests to be performedPurpose
◦ Plan should contain the purpose of each set of tests
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Validation Planning Elements
Requirements◦Plan should briefly describe the requirements
for each set of tests and be traceable to product or process specifications
Acceptance Criteria◦Plan should contain the general acceptance
criteria for each set of tests or cross reference the location.
Analytical Techniques◦Define the method for analyzing data using
commonly accepted statistical techniques.
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Protocol Development
All Validations should be executed per a formal, pre-approved protocol◦ Pre-approval is not a regulatory requirement, just a good
practice that prevents delays and re-executions.Protocol format is OPTIONAL but must include
the following key sections:◦ Purpose / Background◦ Configuration of product or process◦ Material and Equipment (including Calibration data)◦ Sampling, Data Analysis Methods◦ Test Procedure◦ Clear Acceptance Criteria
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Protocol Development
Key Protocol Sections (cont.)◦ Data Sheets◦ Conclusions◦ Deviations◦ Revision History
Key Points◦ Provide background and justification for approach◦ Ensure test method is appropriate (verified or validated)
Protocol ReviewProtocol Pre-Execution Approval
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Validation Completion
Execution◦Follow the protocol!◦Note any deviations◦Use good documentation practices◦Sign the data sheets◦Collect equipment calibration information◦Make sure training is documented
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Validation Completion
Final Report◦May be an addition to protocol or a separate
document◦Summarize the results specifically related to
each test or challenge◦Document and justify your deviations
Deviations are not for changes to acceptance criteria
◦Document your data analysis◦Reach formal conclusions regarding the
overall outcome of the validation◦Needs approval
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Special Considerations
Deviations◦Document all deviations from pre-approved
procedure in the Deviations section of the protocol.
◦Changes to acceptance criteria should be documented in the protocol and re-approved prior to re-executing the testing.
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Special Considerations
Test Method Verification◦Suitability of Test Instrumentation
Gage Accuracy and Sensitivity Operator Variation Characterization of Alpha and Beta Errors
◦Training and Confirmation of Effectiveness◦Yes, it applies to visual inspection,
dimensional verification, and automated test methods
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Software Validation
Equipment With Embedded Software◦Software must be validated◦Can be done stand-alone (if possible), or as a
part of verifying equipment function (IQ or OQ)
◦Requires an understanding of the software logic and the functions to be utilized
◦Should include nominal/margin testing and error handling
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Special Considerations
IQ / OQ / PQ◦Question: Does it really matter what goes
where?◦Answer: Sometimes, if one validation activity
depends on others. (i.e. – training)◦Question: I often hear the terms PQ, PPQ,
Product Performance Qualification, Process Performance Qualification. What’s the difference??
◦Answer: These are often defined differently across organizations. However, typically PQ is the overarching term that refers to both process and product performance qualifications.
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Common Mistakes
Poor Organization◦ Lack of program structure◦ Lack of templates and rules for ensuring program
consistencyPoor Planning
◦ No documentation to tie stand-alone validations together (i.e. – Master Validation Plan)
◦ No method to ensure re-validations occur when required (i.e. – sterilization)
Poor Documentation◦ Little background information◦ Story not told◦ No links to CO/ECO process to ensure changes do not
invalidate prior validation activities