The Efficacy and Safety of Desensitation Regimen for Patients With High Titers of Anti-HLA Antibodies Prior to Allo-HSCT

Inclusion Criteria: 1. Subjects to undergo allo-HSCT 2. Age 14-60, No gender, No ethnicity 3. ECOG score ≤ 2 4. Population reactive antibody screening within 1 month prior to transplantation HLA-class I or class II antibody MFI ≥ 5000 5. No severe organ failure and no active infections 6. Subjects and their families voluntarily undergo anti-HLA antibody testing and antibody desensitisation treatment and sign an informed consent form Exclusion Criteria: 1. Those with severe organ dysfunction or disease, such as severe disease and dysfunction of the heart, liver, kidneys and pancreas 2. Pregnancy 3. Subjects and/or authorised family members who refuse to accept antibody desensitisation treatment 4. Persons with any life-threatening disease, physical condition, or organ system dysfunction that, in the opinion of the investigator, may compromise the safety of the subject and place the results of the study at unnecessary risk 5. Persons with drug dependence,uncontrolled psychiatric disorders and persons with cognitive dysfunction 6. Participants in other clinical studies within 3 months 7. Those whom the investigator considers unsuitable for enrolment (e.g., subjects will not be able to adhere to examinations and treatments due to financial or other issues)