Table 2.

Characteristics on fostamatinib.

Patient	Platelets at fostamatinib start (×109/L)	Platelet response (platelets ≥ 30 × 109/L)	Time to platelet response (days)	Peak platelet count (×109/L)	Most recent platelet count (×109/L)	Rescue therapy on fostamatinib	Adverse events	Remains on fostamatinib at most recent assessment	Died	Fostamatinib exposure (days)
1	20	Yes	181	140	74	No	No	Yes	No	252
2	19	Yes	0	102	75	No	Transaminitis	Yes	No	214
3	0	No	81	116	0	Dex	Petechial rash, mild transaminitis	No	Yes	175
4	193	Yes	0	193	126	No	No	Yes	No	152
5	27	Yes	5	94	18	Dex and IVIG	Petechial rash	No	No	216
6	25	Yes	19	162	162	No	No	Yes	No	188
7	31	Yes	46	141	37	No	No	Yes	No	93

Dex, dexamethasone; IVIG, intravenous immunoglobulin.