Received Nov 20, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEPAB | HEP A + HEP B (TWINRIX) | GLAXOSMITHKLINE BIOLOGICALS | UNK | AZ2A3 | — |
Twinrix late second dose; This non-serious case was reported by a pharmacist via call center representative and described the occurrence of drug dose administration interval too long in a 62-year-old female patient who received HAB (Twinrix) (batch number 327E3) and (batch number AZ2A3, expiry date 05-FEB-2028) for prophylaxis. Previously administered products included twinrix (received 1st dose on 21-FEB-2025). On 16-NOV-2025, the patient received Twinrix. On 16-NOV-2025, an unknown time after receiving Twinrix, the patient experienced drug dose administration interval too long (Verbatim: Twinrix late second dose). The outcome of the drug dose administration interval too long 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: 17-NOV-2025 A pharmacist wanted to know how to proceed with a patient. The Vaccine Administration Facility was the same as Primary Reporter.