Table 2.
Case summaries.
| Case | Age/Sex | Prior BCMA CAR T? | Prior GPRC5D CAR T? | Neurologic Toxicities | Initial dosing* schedule | Dosing* modification | Resolution? |
|---|---|---|---|---|---|---|---|
| 1 | 65 F | Yes | No | Dizziness, fall | 0.8 Q2W | DC | Improved |
| 2 | 50 M | Yes | No | Dizziness, diplopia, tremors, restlessness, CN 6 palsy | 0.8 Q2W | DC | Improved |
| 3 | 67 F | Yes | Yes | Dizziness, dyskinesia, + Rhomberg | 0.8 Q2W | Held for 2 months followed by 0.4 Q2W | Resolved |
| 4 | 45 M | Yes | No | Diplopia, dizziness, truncal ataxia | 0.8 Q2W | Held for 2 months followed by 0.6 Q4W. | Resolution with DC and recurrence after each dose. |
*Doses are in mg/kg units.
F female, M male, BCMA B-cell maturation antigen, CAR T chimeric antigen receptor T cell therapy, GPRC5D G-protein-coupled receptor class 5 member D, Q2W every two weeks, QW every week, DC discontinued, CN cranial nerve.