What to Include in an SOP Change Log
Each change log entry must begin by referencing the SOP it belongs to. This includes:
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SOP Guidelines: SOP Revision Processes
Handling Obsolete SOPs: Archival, Retrieval, and Inspection Readiness
Clearly establish what constitutes an obsolete SOP in your Quality Manual or Documentation SOP. Typically, this includes any controlled document superseded by a new version or rendered unnecessary due to process changes.
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Audit-Proofing Your SOP Revision Process
Regulators such as the USFDA often review how companies handle changes to controlled documents. Failures in SOP revision processes are among the top findings in regulatory inspections. This includes:
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Harmonizing SOP Revisions Across Global Sites
Begin with a corporate quality policy that mandates harmonization. This should define overarching principles that every site must adhere to, including how SOPs are developed, revised, approved, and implemented.
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How to Use Change Control for SOP Revisions
Change control ensures that any modification made to a GxP-controlled document such as an SOP is:
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Challenges in Revising Multi-Owner SOPs
Unlike departmental SOPs managed by a single owner, multi-owner SOPs involve:
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Using Impact Assessment Tools During SOP Updates
Before implementing changes to an SOP, it is critical to understand:
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Ensuring Business Continuity During SOP Transitions
When an SOP is revised or replaced, multiple risks may surface:
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Who Should Review SOP Revisions? Roles and Responsibilities
SOP revisions aren’t merely editorial changes—they often introduce new steps, eliminate old practices, or align procedures with current GMP guidelines. Every change must be evaluated not just for correctness but for its impact on operations, quality, training, and compliance.
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How to Handle Conflicts in SOP Versions During Updates
SOP version conflicts occur when multiple versions of the same procedure are simultaneously in circulation or use. This can result in:
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