Received Feb 4, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MNP | MENINGOCOCCAL CONJUGATE (PENMENVY) | GLAXOSMITHKLINE BIOLOGICALS | UNK | 5S723 | — |
Penmenvy lyophilized vial administration using another diluent (sterile water); Penmenvy reconstituted with (sterile water); This non-serious case was reported by the other health professional via call center representative and described the occurrence of inappropriate dose of vaccine administered in an 18-year-old male patient who received Men ABCWY NVS (Penmenvy) (batch number 5S723, expiry date 08-OCT-2026) for prophylaxis. On 20-JAN-2026, the patient received Penmenvy. On 20-JAN-2026, an unknown time after receiving Penmenvy, the patient experienced inappropriate dose of vaccine administered (Verbatim: Penmenvy lyophilized vial administration using another diluent (sterile water)) and inappropriate preparation of medication (Verbatim: Penmenvy reconstituted with (sterile water)). The outcome of the inappropriate dose of vaccine administered and inappropriate preparation of medication 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: 20-JAN-2026 A medical assistant wanted to know how to proceed with a patient that received only the lyophilized component of Penmenvy reconstituted with (sterile water).