Received Nov 7, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEPAB | HEP A + HEP B (TWINRIX) | GLAXOSMITHKLINE BIOLOGICALS | 2 | 8Z2A3 | — |
Twinrix late second dose; This non-serious case was reported by a pharmacist via call center representative and described the occurrence of delayed dose administration in a 69-year-old male patient who received HAB (Twinrix) (batch number 8Z2A3, expiry date 05-FEB-2028) for prophylaxis. Previously administered products included Twinrix (1st dose received on an 21 AUG 2012). On 16-SEP-2025, the patient received the 2nd dose of Twinrix. On 16-SEP-2025, an unknown time after receiving Twinrix, the patient experienced delayed dose administration (Verbatim: Twinrix late second dose). The outcome of the delayed dose administration was not applicable. This report is made by GSK without prejudice and does not imply any admission or liability for the incident or its consequences. Additional Information: GSK Receipt Date: 23-OCT-2025 A pharmacist called to ask how to proceed with a patient who wished to receive the third dose of Twinrix. The patient had received the first dose on August 21, 2012, and the second dose on September 16, 2025. No further details were provided.