Table 6.

Deaths with fostamatinib

Age and sexHistory
76; female Eight prior lines of therapy; achieved complete response response with the combination of fostamatinib + avatrombopag; lost response 4 mo after starting this combination and thereafter needed frequent rescue treatment with IVIG. She subsequently died of a cerebral hemorrhage with no response of ITP to therapies. 
81; male Known hypertensive patient who, before initiation of treatment with fostamatinib, was already receiving antihypertensive therapy; developed an episode of severe hypertension resulting in a severe cerebral hemorrhage. 
87; male COVID-associated pneumonia with 56 000 platelets per μL at the time of death. 
84; male Cardiovascular history with ITP in complete response; died after an acute myocardial infarction. 
93; female Deterioration of general condition with good control of ITP. 
88; female Deterioration of general condition with good control of ITP. 
75; male Ten prior lines of therapy; no response of ITP to any treatment; unknown cause of death. 
65; female Patient with a pacemaker who presented with cardiorespiratory arrest attributed to deterioration of the pacemaker. 
82; female She died as a result of urinary sepsis and had ITP secondary to a marginal splenic lymphoma in progression. 
Age and sexHistory
76; female Eight prior lines of therapy; achieved complete response response with the combination of fostamatinib + avatrombopag; lost response 4 mo after starting this combination and thereafter needed frequent rescue treatment with IVIG. She subsequently died of a cerebral hemorrhage with no response of ITP to therapies. 
81; male Known hypertensive patient who, before initiation of treatment with fostamatinib, was already receiving antihypertensive therapy; developed an episode of severe hypertension resulting in a severe cerebral hemorrhage. 
87; male COVID-associated pneumonia with 56 000 platelets per μL at the time of death. 
84; male Cardiovascular history with ITP in complete response; died after an acute myocardial infarction. 
93; female Deterioration of general condition with good control of ITP. 
88; female Deterioration of general condition with good control of ITP. 
75; male Ten prior lines of therapy; no response of ITP to any treatment; unknown cause of death. 
65; female Patient with a pacemaker who presented with cardiorespiratory arrest attributed to deterioration of the pacemaker. 
82; female She died as a result of urinary sepsis and had ITP secondary to a marginal splenic lymphoma in progression. 

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