The QP Role and Responsibility
Under EU GMP, a Qualified Person holds personal, legally defined responsibility for certifying that each batch of medicinal product has been manufactured and tested in accordance with the marketing authorization, GMP, and applicable regulatory requirements before that batch can be released to the market. This personal accountability distinguishes the QP role from a purely administrative sign-off function; the QP is expected to exercise genuine, informed professional judgment, drawing on adequate education, training, and experience, rather than simply confirming that a checklist of required documents is present in the batch file. The seriousness with which this personal responsibility is treated within EU regulatory practice reflects the QP's role as the final, individually accountable safeguard standing between a manufactured batch and the patients who will ultimately receive it.
Documentation Review
Before certifying a batch, the QP must review the complete batch record, confirming the manufacturing process was performed as specified, all in-process and release testing was completed and met specification, any deviations were adequately investigated and appropriately resolved, and the batch was manufactured at a site holding the appropriate manufacturing authorization for that specific product and process. This review should be genuinely substantive, not a superficial check that required signatures and stamps are simply present, since the QP's certification decision needs to reflect authentic, informed confidence in the batch's actual quality rather than confidence in the mere completeness of its accompanying paperwork.
Certification Decision
The QP's certification decision should weigh the totality of available evidence, including release testing results, deviation history for the specific batch, and broader relevant context such as recent trends for the product or process, rather than mechanically approving any batch where every individual data point happens to fall within its own specification limit. Where the QP has genuine, substantive concerns not fully resolved by the available batch documentation, they retain both the authority and the professional obligation to withhold certification until those concerns are adequately addressed, even where doing so creates real commercial pressure or scheduling difficulty for the manufacturing organization.
Record Retention
QP certification decisions and the underlying batch documentation reviewed to reach them must be retained for a defined regulatory period, providing a durable, traceable record of exactly what evidence supported each specific batch release decision, available for later regulatory inspection or in the event any quality question about that specific batch arises after the fact. This retention requirement reflects the same broader principle underlying batch record retention generally, that a release decision needs to remain reconstructible and defensible well beyond the moment the batch actually left the manufacturing site.
QP Delegation and Oversight of Multiple Sites
A QP may oversee certification across multiple manufacturing sites or products, but this expanded scope requires the QP to maintain genuine, adequate familiarity with each specific product and site's processes and quality history, rather than certifying batches from an unfamiliar site or process based purely on trust in that site's local quality team without the QP's own direct, substantive engagement. Where a QP's oversight genuinely spans a broad, diverse portfolio, the underlying quality system should provide the QP with sufficiently detailed, timely information to support genuinely informed certification decisions across that full portfolio scope.
Interaction With Manufacturing and Quality Teams
Effective QP certification depends on close, ongoing working relationships with manufacturing and quality control teams throughout the batch's actual production, not merely at the final certification review stage once the batch record is already complete, since early QP awareness of an emerging deviation or quality concern generally supports better, more timely resolution than only encountering that issue for the first time during final batch record review. Some organizations structure QP involvement to include periodic engagement throughout manufacturing and testing, rather than reserving all QP involvement for the single final certification decision point.
Handling Batches With Unresolved Issues
Where a batch has an unresolved quality issue that cannot be adequately addressed before the intended release timeline, the QP must decline certification rather than certifying the batch conditionally or under time pressure, since QP certification is a definitive, personally accountable attestation without a genuine partial or provisional certification concept built into the underlying EU regulatory framework. This firm, binary nature of the certification decision is precisely what gives QP certification its regulatory and practical weight as a genuine, meaningful final quality gate.
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