immune thrombocytopenia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged 18 to 60 years old, male or female; 2. Conform to the diagnostic criteria of ITP: (1) decreased platelet counts in many laboratory tests; (2) Without splenmegaly; (3) Elevated or normal number of megakaryocytes in the bone morrow examination with dysmaturity; (4) With exception of other secondary thrombocytopenic purpura; 3. Needed splenectomy; 4. People who are willing to sign the informed consent voluntarily and follow the research program.
Exclusion criteria
Exclusion criteria: 1. Secondary thrombocytopenic purpura; 2. Patients with poor compliance; 3. Researchers believe that patients should not participate in the test of any other condition.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Subgroup of Th cells in Peripheral blood and spleen;Ratio of Treg, Ts, regulatory b cells;The expression of FcRI, FcRII, FcRIII, FcRIIb on monocyte/macrophage in Peripheral blood and spleen;Expression of relevant inflammatory factors in plasma;B cell proliferation, ratio of plasmocyte, the content of IgG/IgA in vitro culture; | — |
Secondary
| Measure | Time frame |
|---|---|
| Killing of platelets by CD8+ T cells in spleen;Phagocytosis on platelet by spleen macrophages; | — |
Countries
China
Contacts
Institute of Hematology & Blood Diseases Hospital Chinese Academy of Medical Sciences & Peking Union Medical College