Case Report
Lenalidomide-Associated Immune Thrombocytopenia: A Case Report and Review of the Literature
Table 1
A comparison of the cases of lenalidomide-associated ITP reported in the literature along with our case.
| | Case 1[10] | Case 2 [10] | Case 3 [10] | Case 4 [10] | Case 5 [8] | Case 6 [9] | Our case |
| Age | 66 | 76 | 78 | 66 | 27 | 74 | 59 |
| Sex | F | F | F | F | M | F | M |
| Plasma cell dyscrasia subtype | IgGk MM | IgGλ MM | IgAλ amyloid | MM (subtype not reported) | MM (subtype not reported) | Light chain λ MM | IgGλ MM |
| Dose of len | 15 mg | 15 mg | 15 mg | 25 mg | 25 mg | 15 mg | 10 mg |
| Previous autologous bone marrow transplant | No | No | No | No | Yes | No | Yes |
| Cycle of lenalidomide before developing thrombocytopenia | 5 | 3 | 6 | 3 | Received consolidation × 4 VRD and maintenance lenalidomide × 3 months | 1 | 1 |
| Treatment of ITP | Steroids, IVIg, rituximab | Steroids | Steroids | Steroids (prednisone) | Steroids and IVIG | Steroids | Steroids, IVIg, rituximab, splenectomy |
| Persistent thrombocytopenia after stopping lenalidomide | Yes | Yes, until steroids initiated. Responded to steroids at around 1 month after stopping lenalidomide | Yes, patient remained steroid-dependent | Yes | No, responded to steroid tapering | No, responded to steroid tapering | Yes, patient eventually obtained a long-term remission with splenectomy |
| Retreatment with lenalidomide was associated with recurrence of thrombocytopenia | Yes | Retreated, but no recurrent thrombocytopenia | Not retreated | Not retreated | Not retreated | Not retreated | Not retreated |
| Other manifestations | None reported | None reported | None reported | None reported | Alopecia, leukopenia | Rash, proteinuria | None |
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