SOP Guide for Pharma

Analytical Method Development: Risk Assessment in Analytical Method Development – V 2.0

Analytical Method Development: Risk Assessment in Analytical Method Development – V 2.0

Structured SOP for Conducting Risk Assessment in Analytical Method Development


Department Analytical Method Development
SOP No. SOP/AMD/002/2025
Supersedes SOP/AMD/002/2022
Page No. Page 1 of 14
Issue Date 19/05/2025
Effective Date 20/05/2025
Review Date 19/05/2026

1. Purpose

To outline a systematic approach for conducting risk assessments during analytical method development (AMD) to ensure method robustness, reliability, and regulatory compliance as per ICH Q9, ICH Q8, and GMP guidelines.

2. Scope

This SOP applies

to all analytical methods developed within the Analytical Method Development (AMD) department, including those for APIs, drug products, excipients, intermediates, and packaging materials.

3. Responsibilities

  • AMD Scientist: Identifies and documents potential risks during method development stages.
  • Team Lead: Reviews risk scores and proposes mitigation plans.
  • Quality Assurance (QA): Ensures that the risk assessment process is aligned with corporate and regulatory guidelines.
  • Head – AMD: Approves risk categorization and ensures implementation of mitigation strategies.

4. Accountability

The Head of Analytical Development is accountable for ensuring that risk assessments are completed, documented, and integrated into the AMD strategy for every new method.

5. Procedure

5.1 Planning the Risk Assessment

  1. Conduct risk assessments as an integral part of method development planning.
  2. Define the goal of the risk assessment, e.g., ensuring method robustness, minimizing instrument downtime, etc.
  3. Assemble a cross-functional team including AMD scientists, QA, and where required, formulation development staff.

5.2 Risk Identification

  1. Identify potential risks in method development, including:
    • Inadequate method selectivity or sensitivity
    • Unreliable sample preparation steps
    • Non-linear calibration curves
    • Equipment-related limitations
    • Variability in reagents or standards
  2. Document the identified risks in Annexure-1: Risk Register.

5.3 Risk Analysis and Scoring

  1. Use a quantitative or qualitative scale to assess:
    • Severity (S): Impact on product quality or regulatory compliance
    • Occurrence (O): Probability of risk materializing
    • Detectability (D): Ability to detect the failure before it affects outcomes
  2. Calculate Risk Priority Number (RPN): RPN = S × O × D
  3. Classify risk as:
    • Low (RPN < 40)
    • Medium (RPN 40–100)
    • High (RPN > 100)

5.4 Risk Evaluation

  1. Plot risks on a risk matrix (Annexure-2) to visualize criticality.
  2. Focus on high and medium risks for mitigation planning.

5.5 Risk Control and Mitigation

  1. Develop action plans for high-risk areas:
    • Method redesign
    • Alternate instruments or procedures
    • Training for staff on specific procedures
    • System suitability criteria reinforcement
  2. Record mitigation measures in Annexure-3: Mitigation Plan.

5.6 Documentation and Reporting

  1. Prepare a risk assessment summary for inclusion in the Method Development Report.
  2. Ensure all risk assessments are filed electronically and backed up.
  3. Communicate findings to stakeholders during project meetings.

5.7 Periodic Review of Risks

  1. Review risks during each phase of method development (feasibility, optimization, validation).
  2. Update scores and mitigation status in the risk register (Annexure-1).

6. Abbreviations

  • AMD: Analytical Method Development
  • RPN: Risk Priority Number
  • QA: Quality Assurance
  • ICH: International Council for Harmonisation
  • SOP: Standard Operating Procedure

7. Documents

  1. Risk Register – Annexure-1
  2. Risk Matrix – Annexure-2
  3. Mitigation Plan – Annexure-3

8. References

  • ICH Q9 – Quality Risk Management
  • ICH Q8 – Pharmaceutical Development
  • WHO GMP Guidelines – Annex on Quality Risk Management

9. SOP Version

Version: 2.0

10. Approval Section

Prepared By Checked By Approved By
Signature
Date
Name
Designation
Department

11. Annexures

Annexure-1: Risk Register

Risk ID Description Severity Occurrence Detectability RPN Risk Level
RA-001 Low precision due to sample matrix effect 4 5 4 80 Medium
RA-002 Detector saturation for high concentration range 5 3 5 75 Medium

Annexure-2: Risk Matrix

Severity vs. Occurrence Low Medium High
Low Acceptable Acceptable Review
Medium Acceptable Review Mitigate
High Review Mitigate Immediate Action

Annexure-3: Mitigation Plan

Risk ID Mitigation Measure Owner Status
RA-001 Use matrix-matched standards Sunita Reddy In Progress
RA-002 Adjust detector gain settings Rajesh Kumar Implemented

Revision History:

Revision Date Revision No. Details Reason Approved By
04/05/2025 2.0 Updated calibration frequency and deviation logging format Audit compliance
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