ten23 health validates West Synchrony S1 prefillable syringe system on fill-finish lines ahead of commercial launch

Published: 5-May-2026

The firm announced the successful testing of West's newly launched Synchrony S1 prefillable syringe system on its manufacturing equipment, enabling biopharma customers to rapidly adopt the integrated single-supplier syringe platform

Sterile fill-finish CDMO ten23 health has announced that it has successfully tested the newly launched West Synchrony S1 prefillable syringe (PFS) system on its manufacturing equipment.

The announcement follows on from West Pharmaceutical Services' global commercial availability of the West Synchrony S1 PFS system, a platform that integrates the syringe barrel, plunger and needle shield/tip cap into a verified system from a single supplier.

By evaluating the container system early on its fill-finish lines, ten23 health said that it has allowed biopharma customers to rapidly adopt the West Synchrony S1 PFS system for clinical and early commercial programmes, reducing technical risk and accelerating development timelines.


As drug developers encounter increasing regulatory and technical complexities, early alignment between container systems and manufacturing processes has become essential.


"Having already implemented and tested the West Synchrony S1 prefillable syringe system on our equipment, we are well-positioned to support our partners with operational readiness," said Hanns-Christian Mahler, Chief Enablement Officer, ten23 health.

Early hands-on experience with new container systems is critical for de-risking development, particularly as combination products and home-based administration continue to grow.

The West Synchrony S1 PFS system offers a diverse range of configurations for biologics and vaccines, including staked needles and Luer locks, as well as high-performance NovaPure and FluroTec film-laminated plunger components.

ten23 health said that its initial evaluation concentrated on manufacturability, compatibility and process robustness under representative fill-finish conditions.

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