QS-21 news

All news on QS-21 (also known as STIMULON QS-21 and Quillaja saponin QS-21): plants, production capacities, investments and involved companies.

10 September 2026

GSK Shingrix prefilled syringe approved in Japan

Ready-to-use syringe replaces two-vial format, simplifying administration for clinicians; approval based on technical comparability and keeps same indication and dosing.
18 May 2026

GSK’s Arexvy gains expanded approval in Japan for at‑risk adults 18–59

Approval now explicitly includes immunocompromised adults; Phase IIIb showed non‑inferior immune response versus older adults and a safety profile consistent with prior trials.

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