Received Jul 8, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MNP | MENINGOCOCCAL CONJUGATE (PENMENVY) | GLAXOSMITHKLINE BIOLOGICALS | UNK | 7J5LF/A | — |
Penmenvy-Only diluent administered; Penmenvy-Only diluent administered; This non-serious case was reported by a nurse 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/A and batch number 7J5LF/B) 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: Penmenvy-Only diluent administered) and inappropriate dose of vaccine administered (Verbatim: Penmenvy-Only diluent administered). 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: 01-JUL-2026 The reporter reported a possible inadvertent administration of only the prefilled syringe containing the liquid MenB component of Penmenvy to three different patients. They were doing inventory and noticed that they had an extra vial of Penmenvy left, one of their last 3 patients who received Penmenvy could have received an incomplete dose. one of them might not have received the vaccine properly combined. They were looking for guidance over this situation. No PQC (product quality complaint) reported. This was 1 of 3 linked cases, reported by the same reporter.; Sender's Comments: US-GSK-US2026086951:Same reporter different patient US-GSK-US2026086954:Same reporter different patient