System Level Risk, Impact & Complexity Assessment in CSV
In
Earlier post we understand GxP Assessment & Categorization of Computerized
System. It is first stage of
whether a system requires a validation is to identify whether the system has a
GxP impact.
Now in this article we are going to understand System Level Risk, Impact & Complexity Assessment in computer system validation.
Applying risk assessment procedures to validation is a highly effective means of ensuring that all critical requirements are tested with the appropriate level of documentation in order for a system or process to be considered as validated or verified.
Validation risk assessment is a structured & documented approach
to assessing risks in a computerized system, equipment, instrument &
process.
Risk is the combination of the probability of occurrence of harm & the severity of that harm.
A
measure of the probability & severity of undesired effects, often as the
simple product of probability & consequence.
Risk
Management should be viewed as an on-going Quality Management process.
A
systematic evaluation of the risk of a process by determining
-
What
can go wrong (Risk Identification)
-
How
likely is it to occur (Risk Estimation)
-
What
the consequences are.
Examination
of process & develop safety barriers to minimize chance of error.
Understand where risk comes from & how people process information.
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Data Integrity App |
System Criticality
& Impact Assessment
- Does the system impact patient safety?
- Does the system impact or capture data about the
quality of the product?
- Does the system impact on GMP regulated records?
- Is the system involved in capturing information
that would take an action or support the execution of an
action that impacts the product quality (e.g. product recall, adverse event
reporting)?
- Does the system functionality create any hazards
to the environment including people working on the system such as process
control systems?
Complexity
Assessment
- System complexity nature as Standard COTS/Configurable COTS/Customized
(bespoke)
- Is the system interfaced with other system/s?
- Is the technical contingency plan in place if system becomes
non-functional?
- Does the system impact multiple or companywide functions, or is new
infrastructure required?
- Does the system implementation involve data migration?
- Does the Product Vendor or system implementation vendor have any prior
experience of implementing the system at any other pharmaceutical organization?
- Are the estimated numbers of concurrent users as 5- 10 or 10 -15 or
more than 15?
Determine level of Risk &
Assessment using below scale.
Rating Scale |
2 ≥ 3 |
High |
1 ≥ 2 |
Medium |
|
0 ≥ 1 |
Low |
To determine the Initial Risk Ranking of GxP Computerized system, follow below matrix between Overall System Impact & complexity
Overall Risk Rating is determined using the traditional 9 box grid image.
|
Low Complex |
Medium Complex |
High Complex |
High Impact |
MEDIUM RISK |
HIGH Risk |
HIGH Risk |
Medium Impact |
Low Risk |
MEDIUM Risk |
HIGH Risk |
Low Impact |
Low Risk |
Low Risk |
MEDIUM Risk |
Decision based on Risk
Rating:
Many decisions can be made
from the initial risk ranking including the approach and extent of the validation.
Risk Assessments – High and Medium risk systems will be subject to more detailed
risk assessments, low risk computerized systems will not.
Level of verification activities – High and Medium risk systems have detailed
formalized testing, Low risk computerized systems have reduced testing, either
commissioning or supplier verification.
Level of security – Low risk computerized systems minimal controls over security,
High and Medium Risk computerized systems have full security controls applied.
Frequency of periodic reviews.
The above list is not exhaustive; the regulated
company can use Risk Rating to determine level of validation, deliverables
& controls through lifecycle of computerized system
Data Integrity –Risk Assessment
•Risk assesses all lab areas
prior to the audit to identify equipment that produce electronic data files.
•Categories the equipment
according to GAMP5.
•Auditors will focus on
instrumentation that falls under USP<1058> categories B & C and GAMP5
categories 3, 4 and 5.
•Perform an internal Data
Integrity audit on medium & high risk equipment.
•Does the equipment meet the
requirements of 21 CFR part 11 (as yourself the 5 questions regarding
electronic data)?
•Check that electronic data can
only be accessed through the instrument software & not via the operating
system.
•Identify gaps and implement
short term corrective action before audit (if possible):
•Discuss longer term corrective actions with management team.
Risk Severity:
Critical:
Very Significant Non-Compliance with GMP or Patient Injury
Major:
Significant Non-Compliance with GMP or Patient Impact
Minor:
Minor Infringement of GMP No expected Patient Impact
Risk
Assessment - Assess Potential Risks and Consequences
Risk
Identification – Identify the Potential Risks
Risk
Estimation – Determine the Likelihood that the Risk will
Occur
Risk
Impact – Determine the Potential Impact of the Risk
Risk
Detection – Determine the Detectability of the Risk
Risk
Classification – Define & Quantify Risk Level
Risk
Analysis – Determine Cost/Benefit Analysis
Risk
Mitigation/Avoidance – Determine Risks which can be Lessened
or Avoided
Risk
Strategy - Determine and Document Strategies for
Managing Risk
Risk
Monitoring – Monitor Changes, New Risks, Risk Levels
& Update Risk Plans
Across the internet, there are millions of resources are available which provide information about Everything.
If you found all content under one roof then it will save your time, effort & you will more concentrated on your important activity.
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- Basic Data Integrity Concepts
- ERES & Its Requirement
- CSV & Its best practices
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- Checklist for inspection
- Inspection Readiness
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