Received Jan 22, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MNP | MENINGOCOCCAL CONJUGATE (PENMENVY) | GLAXOSMITHKLINE BIOLOGICALS | UNK | 5S723A | — |
inappropriate reconstitution technique/medication error that the patient was only given/2 components did not get mixed together the syringe; inappropriate reconstitution technique/medication error that the patient was only given/2 components did not get mixed together the syringe; This non-serious case was reported by a other health professional via call center representative and described the occurrence of inappropriate preparation of medication in a 16-year-old male patient who received Men ABCWY NVS (Penmenvy) (batch number 5S723A, expiry date 08-OCT-2026) for prophylaxis. On 06-JAN-2026, the patient received Penmenvy. On 06-JAN-2026, an unknown time after receiving Penmenvy, the patient experienced inappropriate preparation of medication (Verbatim: inappropriate reconstitution technique/medication error that the patient was only given/2 components did not get mixed together the syringe) and inappropriate dose of vaccine administered (Verbatim: inappropriate reconstitution technique/medication error that the patient was only given/2 components did not get mixed together the syringe). The outcome of the inappropriate preparation of medication and inappropriate dose of vaccine administered were 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: 16-JAN-2026 Reporter mentioned that patient had a medication error in which the patient was given only the syringe. As a result, the two components were not mixed together. Reporter needed to know whether the patient only had to return for the Menveo dose. The prefilled syringe contained the Meningococcal B component.