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

Age66767866277459

SexFFFFMFM

Plasma cell dyscrasia subtypeIgGk MMIgGλ MMIgAλ amyloidMM (subtype not reported)MM (subtype not reported)Light chain λ MMIgGλ MM

Dose of len15 mg15 mg15 mg25 mg25 mg15 mg10 mg

Previous autologous bone marrow transplantNoNoNoNoYesNoYes

Cycle of lenalidomide before developing thrombocytopenia5363Received consolidation × 4 VRD and maintenance lenalidomide × 3 months11

Treatment of ITPSteroids, IVIg, rituximabSteroidsSteroidsSteroids (prednisone)Steroids and IVIGSteroidsSteroids, IVIg, rituximab, splenectomy

Persistent thrombocytopenia after stopping lenalidomideYesYes, until steroids initiated. Responded to steroids at around 1 month after stopping lenalidomideYes, patient remained steroid-dependentYesNo, responded to steroid taperingNo, responded to steroid taperingYes, patient eventually obtained a long-term remission with splenectomy

Retreatment with lenalidomide was associated with recurrence of thrombocytopeniaYesRetreated, but no recurrent thrombocytopeniaNot retreatedNot retreatedNot retreatedNot retreatedNot retreated

Other manifestationsNone reportedNone reportedNone reportedNone reportedAlopecia, leukopeniaRash, proteinuriaNone