Received Jun 26, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MNP | MENINGOCOCCAL CONJUGATE (PENMENVY) | GLAXOSMITHKLINE BIOLOGICALS | UNK | 7J5LF | — |
Medical Assistant calls to ask about the inadvertent administration of the liquid portion of PENMENVY; the liquid portion of PENMENVY; 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 17-year-old male patient who received Men ABCWY NVS (Penmenvy) suspension for injection in pre-filled syringe (batch number 7J5LF with expiry date 03-APR-2028) for prophylaxis. On 18-JUN-2026, the patient received Penmenvy. On 18-JUN-2026, an unknown time after receiving Penmenvy, the patient experienced inappropriate preparation of medication (Verbatim: Medical Assistant calls to ask about the inadvertent administration of the liquid portion of PENMENVY) and inappropriate dose of vaccine administered (Verbatim: the liquid portion of PENMENVY). 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: 19-JUN-2026 Medical Assistant calls to ask about the inadvertent administration of the liquid portion of PENMENVY (without reconstitution). Is this considered a valid dose. The dose was inadvertently administered to a patient. Vaccination date, vaccine detail and patient demographics were obtained in this call No further information was obtained in this call. The batch number was not provided and unable to contact the reporter.