Received May 4, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MNP | MENINGOCOCCAL CONJUGATE (PENMENVY) | GLAXOSMITHKLINE BIOLOGICALS | 1 | UNK | — |
Drug maladministration/ Patient received only the liquid portion (B antigen) of Penmenvy and did not receive the reconstituted product that contained the ACWY antigens; Drug maladministration/ Patient received only the liquid portion (B antigen) of Penmenvy and did not receive the reconstituted product that contained the ACWY antigens; This non-serious case was reported by a nurse via sales rep and described the occurrence of inappropriate preparation of medication in a 18-year-old female patient who received Men ABCWY NVS (Penmenvy) for prophylaxis. On an unknown date, the patient received the 1st dose of Penmenvy. On an unknown date, an unknown time after receiving Penmenvy, the patient experienced inappropriate preparation of medication (Verbatim: Drug maladministration/ Patient received only the liquid portion (B antigen) of Penmenvy and did not receive the reconstituted product that contained the ACWY antigens) and inappropriate dose of vaccine administered (Verbatim: Drug maladministration/ Patient received only the liquid portion (B antigen) of Penmenvy and did not receive the reconstituted product that contained the ACWY antigens). 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: 20-APR-2026 The patient received only the liquid portion (B antigen) of Penmenvy and did not receive the reconstituted product that contained the ACWY antigens. The error was not discovered for 2 or 3 days after it was administered to the patient. The batch number was not provided, and we are unable to contact the reporter.