A container closure system is the combination of packaging components that contains, protects, and delivers a drug product, including primary containers such as vials, stoppers, seals, caps, and any secondary protective elements. In pharmaceutical development and regulatory submission documents, it is described for compatibility, integrity, and manufacturing control to ensure product stability and patient safety.
In translation and localization, container closure system descriptions appear in drug product dossiers, extractables and leachables reports, stability studies, and artwork specifications. Translators often work on sections describing primary packaging materials, closure types, and storage conditions across multiple markets.
A common error is translating “closure” as “closing” or “sealing process” rather than a physical component like a stopper or cap, which distorts intended meaning. Another is omitting the distinction between primary and secondary packaging, which can affect the interpretation of drug contact and leachables risks.
FDA, CE/MDR and NMPA reviewers assess the submitted wording itself. Regulatory bodies require traceable, accountable translation, and an inconsistent term can delay or fail a submission.
Angel Translation locks terms like this into a project terminology base before expert review begins, so the same source term resolves to the same target term across every document in a submission — and stays consistent in the next revision. See the 8-step AI + expert workflow.
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