EudraLex Annex 11 and FDA 21 CFR Part 11: Compliance for GxP Computerised Systems
Dalia IA Engineering Studio provides specialized gap assessment and remediation services for Annex 11 and 21 CFR Part 11 compliance, backed by 20+ years of GxP regulatory expertise.
EudraLex Annex 11 (2011) — Key Requirements
EudraLex Volume 4, Annex 11 governs the full lifecycle of computerized systems in EU GMP pharmaceutical manufacturing. Its core requirements span: Validation, Audit Trail, Access Control, Electronic Signatures, Data Storage and Backup, Business Continuity, Supplier Assessment, and Periodic Evaluation.
FDA 21 CFR Part 11 — Key Requirements
21 CFR Part 11 establishes the criteria under which the FDA considers electronic records and electronic signatures to be trustworthy, reliable, and equivalent to paper records and handwritten signatures. Key requirements include:
- Closed systems (§11.10): unique user authentication, computer-generated audit trails with timestamps, access limitation, data backup, personnel training
- Electronic signatures (§11.50, §11.100, §11.200): signatures must be uniquely bound to individuals; each signature must capture the signer’s name, date and time, and the meaning of the signature
Annex 11 vs 21 CFR Part 11: Key Differences
Both frameworks share the same fundamental objectives but differ in scope, prescriptive detail, and approach. Annex 11 is principles-based and risk-oriented; 21 CFR Part 11 is more prescriptive. Annex 11 explicitly requires supplier assessment; Part 11 does not. Our integrated assessment methodology evaluates compliance against both frameworks in a single engagement.
Audit Trail Review
A compliant audit trail must be automatically generated, tamper-proof, and retained for the full required period. It must record every creation, modification, and deletion of GxP-relevant records, with user identity, timestamp, previous value, and new value. Beyond configuration, regular audit trail review is itself a GxP activity. We help organizations design review procedures, define risk-based review frequencies, and train responsible personnel.
Access Control and User Management
GxP access control requirements mandate unique, non-shared credentials for each user; role-based access aligned with job function; the principle of least privilege; documented user provisioning and de-provisioning; and monitoring of unauthorized access attempts.
Backup, Business Continuity, and Disaster Recovery
GxP backup requirements go beyond simple file copies: they demand tested restore procedures, off-site storage, and documented Recovery Time Objectives (RTO) and Recovery Point Objectives (RPO) for every critical system. Business Continuity Plans and Disaster Recovery Plans must be formally tested at defined intervals.
Our Service: Gap Assessment and Remediation
Our structured three-phase service delivers:
- Discovery: complete inventory of GxP systems, existing validation documentation, user management records, audit trail configuration, and backup/BCP documentation
- Technical and Regulatory Assessment: gap identification against Annex 11 and/or 21 CFR Part 11, with severity classification (Critical / Major / Minor)
- Gap Report and Remediation Plan: actionable remediation roadmap with owners, timelines, and completion criteria
Why Dalia IA
- Dual-framework expertise: EU Annex 11 and FDA 21 CFR Part 11, assessed in a single integrated engagement
- 20+ years of GxP regulatory assessment and remediation experience
- Technical and regulatory background in both compliance and IT systems
- Inspection-ready deliverables for FDA, EMA, AIFA, ANSM
- Post-remediation support to sustain compliance over time
Domande frequenti
What is the difference between EudraLex Annex 11 and FDA 21 CFR Part 11?
Annex 11 is the EU GMP reference for computerized systems in pharmaceutical manufacturing; 21 CFR Part 11 is the FDA regulation for electronic records and electronic signatures. Annex 11 is more principles-based and explicitly requires supplier assessment; Part 11 is more prescriptive on technical specifics.
Does my system need to comply with both Annex 11 and 21 CFR Part 11?
If your organization sells or manufactures pharmaceutical products in both Europe and the United States, yes. Dalia IA provides an integrated assessment that evaluates compliance with both frameworks in a single engagement.
What is an audit trail and why does it matter in GxP?
An audit trail is an automatically generated, tamper-proof record of all changes to GxP electronic records: who did what, when, and what the previous value was.
What does a gap assessment for Annex 11 compliance typically cover?
A comprehensive Annex 11 gap assessment covers: system validation status, audit trail configuration and review procedures, access control architecture, password policies, user management processes, backup and restore procedures, business continuity plans, and incident management.
What are the consequences of Annex 11 non-compliance during an inspection?
Annex 11 non-compliance can generate inspection findings of varying severity. Critical findings — such as missing audit trails or uncontrolled access — can block product approvals or result in Warning Letters.