Priority from the Bleeding Disorders PSP

UNCERTAINTY: What causes the onset of immune thrombocytopenic purpura (ITP))?
Overall ranking This was one of the 15 questions at the workshop that fell outside of the Top 10. These were not ranked in any order of priority
JLA question ID 0078/16
Explanatory note We do not know why in some people the immune system suddenly fails to recognise platelets as 'self'. Understanding this would help us treat and prevent the disorder. 
Evidence No systematic reviews identified.
Health Research Classification System category Blood
Extra information provided by this PSP
Original uncertainty examples Not available
Submitted by Not available
PSP information
PSP unique ID 0078
PSP name Bleeding Disorders
Total number of uncertainties identified by this PSP. 66 (To see a full list of all uncertainties identified, please see the detailed spreadsheet held on the JLA website)
Date of priority setting workshop 7 July 2018