West Pharmaceutical Services Introduces Daikyo PLASCAP® RUV Closures in New Nested Format

WST
October 05, 2025

West Pharmaceutical Services, Inc. announced the introduction of Daikyo PLASCAP® Ready-to-Use Validated (RUV) closures in a new nested format at the Pharmapack event in Paris, France. This new offering is designed to support the needs of advanced therapies, a rapidly expanding area driven by innovation in cell and gene therapy treatments.

The PLASCAP® closure is a metal-free polypropylene cap with an integrated stopper, providing a one-step press-fit solution for vial closure. These closures are offered in ready-to-use, validated formats compatible with vials featuring 13mm and 20mm crowns. The new 6x8 nested tub configuration is specifically designed to support West's 10ml nested Crystal Zenith vials and other selected nested vials with a 20mm crown.

Stacey Vaughan, Vice President of Strategic Portfolio Management, stated that this introduction addresses the complex challenges of containment for advanced therapy molecules while meeting increasing regulatory requirements of the market. This product launch reinforces West's leadership in pharmaceutical packaging and its commitment to evolving industry needs.

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